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Myeloperoxidase Is Associated with Insulin Resistance and Inflammation in Overweight Subjects with First-Degree Relatives with Type 2 Diabetes Mellitus
Anel Gómez García, Mireya Rivera Rodríguez, Carlos Gómez Alonso, Daysi Yazmin Rodríguez Ochoa, Cleto Alvarez Aguilar
Diabetes Metab J. 2015;39(1):59-65.   Published online February 16, 2015
DOI: https://doi.org/10.4093/dmj.2015.39.1.59
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  • 45 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background

Family history of type 2 diabetes mellitus (T2DM) is one of risk factors for that in future a subject can develop diabetes. Insulin resistance (IR) is important in the pathogenesis of T2DM. There is evidence that oxidative stress plays an important role in the etiology and/or progression of diabetes. Myeloperoxidase (MPO) participates in developing of inflammation. The objective was to investigate if MPO is associated with IR and inflammation in individuals with first-degree relatives of T2DM.

Methods

Cross-sectional study in 84 overweight individuals with family history of T2DM divided in two groups according to IR, group with IR (homeostasis model assessment [HOMA] ≥2.5; n=43) and control group (CG; HOMA <2.5; n=41). Complete clinical history and a venous blood sample were collected for measuring glucose and lipids profile, insulin, interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), MPO, glutathione reductase (GRd), glutathione peroxidase, and superoxide dismutase.

Results

MPO, TNF-α, and IL-6 were higher in patients with IR than in CG (MPO: 308.35 [190.85 to 445.42] vs. 177.35 [104.50 to 279.85], P=0.0001; TNF-α: 13.46 [10.58 to 18.88] vs. 9.39 [7.53 to 11.25], P=0.0001; IL-6: 32.93 [24.93 to 38.27] vs. 15.60 [12.93 to 26.27]; P=0.0001, respectively). MPO was associated with IR (rho de Spearman=0.362, P=0.001). In the analysis of lineal regression, MPO predicts IR (β, 0.263; t, 2.520; P=0.014). In the univariate analysis, MPO had an odds ratio of 9.880 for risk of IR (95% confidence interval, 2.647 to 36.879).

Conclusion

MPO had relation with IR and inflammation parameters in overweight subjects with first-degree relatives of T2DM. We need studies on a casual relationship and molecular mechanisms among the increased serum MPO levels, inflammation markers, and IR.

Citations

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The Effects of Resistance Training on Muscle and Body Fat Mass and Muscle Strength in Type 2 Diabetic Women
Hwi Ryun Kwon, Kyung Ah Han, Yun Hyi Ku, Hee Jung Ahn, Bo-Kyung Koo, Ho Chul Kim, Kyung Wan Min
Korean Diabetes J. 2010;34(2):101-110.   Published online April 30, 2010
DOI: https://doi.org/10.4093/kdj.2010.34.2.101
  • 13,801 View
  • 129 Download
  • 68 Crossref
AbstractAbstract PDFPubReader   ePub   
Background

Our goal was to investigate the effects of low intensity resistance training on body fat, muscle mass and strength, cardiovascular fitness, and insulin sensitivity in type 2 diabetes.

Methods

Twenty-eight overweight women with type 2 diabetes were randomly assigned to a resistance training group (RG, n = 13) or a control group (CG, n = 15). RG performed resistance training using elastic bands, of which strength was equal to 40 to 50% of one repetition maximum (1RM), for three days per week. Each exercise consisted of three sets for 60 minutes. We assessed abdominal fat using computed tomography, muscle mass using dual-energy X-ray absorptiometry, and muscle strength using Keiser's chest and leg press. Insulin sensitivity was measured using the insulin tolerance test, and aerobic capacity was expressed as oxygen uptake at the anaerobic threshold (AT-VO2) before and after the 12-week exercise program.

Results

The age of participants was 56.4 ± 7.1 years, duration of diabetes was 5.9 ± 5.5 years, and BMI was 27.4 ± 2.5 kg/m2, without significant differences between two groups. During intervention, a greater increase in muscle mass and greater decreases in both total fat mass and abdominal fat were observed in RG compared to those of CG (P = 0.015, P = 0.011, P = 0.010, respectively). Increase in 1RM of upper and lower extremities was observed in the RG (P = 0.004, P = 0.040, respectively), without changes in AT-VO2 and insulin resistance in either group.

Conclusion

In conclusion, the low intensity resistance training was effective in increasing muscle mass and strength and reducing total fat mass without change of insulin sensitivity in type 2 diabetic patients.

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Randomized Controlled Trials
The Effects of Low-Calorie Diets on Abdominal Visceral Fat, Muscle Mass, and Dietary Quality in Obese Type 2 Diabetic Subjects.
Hee Jung Ahn, Youn Ok Cho, Hwi Ryun Kwon, Yun Hyi Ku, Bo Kyung Koo, Kyung Ah Han, Kyung Wan Min
Korean Diabetes J. 2009;33(6):526-536.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.526
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AbstractAbstract PDF
BACKGROUND
Weight loss through low-calorie diets (LCDs) decreases visceral fat (VF). However, the effects on muscle mass, changes of dietary quality, and insulin sensitivity are unknown for Korean obese type 2 diabetic subjects. Therefore, this study examined such effects of LCDs. METHODS: A total of 30 obese type 2 diabetic subjects (body mass index, 27.0 +/- 2.2 kg/m2) were randomly assigned to an LCD or control group. Subjects on LCDs took 500~1,000 kcal fewer energy than their usual dietary intake (1,000~1,500 kcal/day) over the course of 12 weeks. The abdominal VF and femoral muscle mass were evaluated by computed tomography, and insulin sensitivity was assessed using an insulin tolerance test (Kitt; rate constant for plasma glucose disappearance, %/min). Dietary nutrient intake consumed by subjects was assessed by 3-day food records. RESULTS: The percent VF reduction was -23.4 +/- 17.2% in the LCD group and -9.8 +/- 11.8% in the control group after 12 weeks (P < 0.001, P = 0.002). However, significant decrease in femoral mass or proportional change of marcronutrient intake and mean adequacy ratio were not found in the LCD group, as compared to the control group. Insulin sensitivity improved in the LCD group, as compared to the control group (P = 0.040). CONCLUSION: LCD effectively improved insulin sensitivity and reduced abdominal VF without reduction of femoral muscle and dietary quality in obese type 2 diabetic subjects.

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  • The association between measurement sites of visceral adipose tissue and cardiovascular risk factors after caloric restriction in obese Korean women
    Hye-Ok Lee, Jung-Eun Yim, Jeong-Sook Lee, Young-Seol Kim, Ryowon Choue
    Nutrition Research and Practice.2013; 7(1): 43.     CrossRef
  • Effects of age on changes of body composition through caloric restriction in overweight and obese women
    Jung-Eun Yim, Young-Seol Kim, Ryowon Choue
    Journal of Nutrition and Health.2013; 46(5): 410.     CrossRef
  • The effects of weight loss by a low-calorie diet and a low-calorie plus exercise in overweight undergraduate students
    Gun-Ae Yoon, Hyun-Ho Ahn, Bo-Hae Park, Danbi Yoo, Sunmin Park
    Korean Journal of Nutrition.2012; 45(4): 315.     CrossRef
  • Effect of an abdominal obesity management program on dietary intake, stress index, and waist to hip ratio in abdominally obese women - Focus on comparison of the WHR decrease and WHR increase groups -
    Ji Won Lee, Sook Young Yoo, So Young Yang, Hyesook Kim, Seong Kyung Cho
    Korean Journal of Nutrition.2012; 45(2): 127.     CrossRef
  • The Evaluation of Workplace Obesity Intervention Program using Six Sigma Methodology
    Ji Yeon Kang, Ill Keun Park, Yun Kyun Chang, Sook Hee Sung, Yoo Kyoung Park, Sang Woon Cho, Yun Mi Paek, Tae In Choi
    The Korean Journal of Obesity.2011; 20(4): 193.     CrossRef
  • The Usefulness of an Accelerometer for Monitoring Total Energy Expenditure and Its Clinical Application for Predicting Body Weight Changes in Type 2 Diabetic Korean Women
    Ji Yeon Jung, Kyung Ah Han, Hwi Ryun Kwon, Hee Jung Ahn, Jae Hyuk Lee, Kang Seo Park, Kyung Wan Min
    Korean Diabetes Journal.2010; 34(6): 374.     CrossRef
  • The Effects of Low-Calorie Diets on Abdominal Visceral Fat, Muscle Mass, and Dietary Quality in Obese Type 2 Diabetic Subjects (Korean Diabetes J 2009;33:526-36)
    Won-Young Lee
    Korean Diabetes Journal.2010; 34(1): 66.     CrossRef
Effects of Adding omega-3 Fatty Acids to Simvastatin on Lipids, Lipoprotein Size and Subspecies in Type 2 Diabetes Mellitus with Hypertriglyceridemia.
Won Jun Kim, Chang Beom Lee, Cheol Young Park, Se Eun Park, Eun Jung Rhee, Won Young Lee, Ki Won Oh, Sung Woo Park, Dae Jung Kim, Hae Jin Kim, Seung Jin Han, Hong Keum Cho
Korean Diabetes J. 2009;33(6):494-502.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.494
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AbstractAbstract PDF
BACKGROUND
omega-3 fatty acids are known to improve lipid profiles, the distribution of lipoprotein subclasses, and secondary prevention against post-myocardial infarction. Rare reports have emerged of synergistic results of omega-3 fatty acids with simvastatin in cases of type 2 diabetes mellitus with hypertriglyceridemia. The purpose of this study was to determine the combined relationship of omega-3 fatty acids plus simvastatin on lipid, lipoprotein size and the types of subspecies. METHODS: This randomized, multi-center, comparison study evaluated eight weeks of combination therapy (omega-3 fatty acids (Omacor) 4 g/day plus simvastatin 20 mg/day) or monotherapy (simvastatin 20 mg/day) for at least six weeks in 62 diabetic patients. Subjects with a triglyceride concentration of more than 200 mg/dL were eligible for inclusion. RESULTS: No significant differences for omega-3 fatty acids + simvastatin versus simvastatin alone were observed for triglycerides (-22.7% vs. -14.3%, P = 0.292), HDL peak particle size (+2.8% vs. -0.4%, P = 0.076), LDL mean particle size (+0.4% vs -0.1%, P = 0.376) or LDL subspecies types, although the combination therapy showed a tendency toward lower triglycerides, larger HDL, and LDL particle sizes than did the monotherapy. There were no significant differences between the two groups in regard to HDL-C, LDL-C, or HbA1c levels. There were no serious adverse events and no abnormalities in the laboratory values associated with this study. CONCLUSION: omega-3 fatty acids were a safeform of treatment in hypertriglyceridemic patients with type 2 diabetes mellitus. But, regarding efficacy, a much larger sample size and longer-term follow-up may be needed to distinguish between the effects of combination therapy and monotherapy.
Original Articles
The Relationship Between Coronary Artery Calcification and Serum Apolipoprotein A-1 in Patients with Type 2 Diabetes.
Hyun Ae Seo, Yeon Kyung Choi, Jae Han Jeon, Jung Eun Lee, Ji Yun Jeong, Seong Su Moon, In Kyu Lee, Bo Wan Kim, Jung Guk Kim
Korean Diabetes J. 2009;33(6):485-493.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.485
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AbstractAbstract PDF
BACKGROUND
The incidence of type 2 diabetes mellitus is increasing annually and patient mortality is high. Coronary artery calcification is a predictor of coronary artery disease. Cardiovascular events, which are the main cause of death in type 2 diabetes patients, may be preventable by addressing risk factors associated with coronary artery calcification. We examined the relationships between coronary artery calcification, lipid profiles, and apolipoprotein levels. METHODS: We calculated the coronary calcium scores (CCS) of 254 subjects with type 2 diabetes (113 males, 141 females) via multi-detector row computed tomography (MDCT). Height, body weight, blood pressure, HbA1c, c-peptide, lipid profile and apolipoprotein were assessed concurrently. RESULTS: In patients with type 2 diabetes, Agatston score and apolipoprotein A-1 were significantly negatively correlated in both males and females (males P = 0.015, females P = 0.021). The negative correlation between Agatston score and apolipoprotein A-1 was retained for the entire patient sample after adjustments for age and sex (P = 0.022). Stepwise multiple regression anaylses with the Agatston score as the dependent variable indicate that apolipoprotein A-1 is a independent predictor (beta coefficient = -0.047, 95%CI = -0.072 ~ -0.021, P < 0.001) of coronary artery calcification. CONCLUSION: The results of our study suggest that apolipoprotein A-1 is a useful independent indicator of coronary artery calcification.

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  • The Risk of Coronary Artery Calcification according to Different Lipid Parameters and Average Lipid Parameters
    Tae Kyung Yoo, Mi Yeon Lee, Ki-Chul Sung
    Journal of Atherosclerosis and Thrombosis.2024; 31(8): 1194.     CrossRef
  • Coronary Artery Calcification and Serum Apolipoprotein A-1 in Patients with Type 2 Diabetes
    Ki Won Oh
    Korean Diabetes Journal.2009; 33(6): 464.     CrossRef
Leptin is Negatively Associated with Femoral Bone Mineral Density in Postmenopausal Women with Type 2 Diabetes Mellitus.
Jae Han Jeon, Yeun Kyung Choi, Hyun Ae Seo, Jung Eun Lee, Ji Yun Jeong, Seong Su Moon, Ju Young Lee, Jung Guk Kim, Bo Wan Kim, In Kyu Lee
Korean Diabetes J. 2009;33(5):421-431.   Published online October 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.5.421
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  • 1 Crossref
AbstractAbstract PDF
BACKGROUND
Serum leptin level and bone mineral density (BMD) are widely assumed to be positively associated with body fat mass. Numerous attempts have been made to document the relationship between leptin and BMD, but the results are inconsistent, especially in diabetic patients. METHODS: A total of 60 Korean postmenopausal women with type 2 diabetes mellitus were included in the present study. The BMDs of lumbar spines (L1 to L4) and proximal femurs (trochanter, neck, and total) were measured by dual-energy X-ray absorptiometry (DXA), and biochemical markers including leptin, HbA1c, C-peptide and urine albumin-creatinine ratio (ACR) were measured for each patient. RESULTS: Negative associations between leptin and BMD of femoral neck, trochanter, and total femur in postmenopausal women with type 2 diabetes mellitus were documented in a model adjusted for age, body fat mass, and fasting insulin level (r = -0.308, P = 0.020 and r = - 0.303, P = 0.025 and r = - 0.290, P = 0.032 respectively). Multiple linear regression analysis was performed revealing negative associations between leptin and BMD of the femoral neck (beta = -0.369), trochanter (beta = -0.324), and total femur (beta = -0.317). CONCLUSION: The results of the present study suggest a negative relationship between leptin and femoral BMD. In addition, leptin may have a negative effect on BMD in postmenopausal women with type 2 diabetes mellitus.

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  • Evaluation of bone mineral density in type 2 diabetes mellitus patients before and after treatment
    MK Dutta, R Pakhetra, MK Garg
    Medical Journal Armed Forces India.2012; 68(1): 48.     CrossRef
Maximal Muscle Strength Deteriorates with Age in Subjects with Type 2 Diabetes Mellitus.
Hwi Ryun Kwon, Yun Hyi Ku, Hee Jung Ahn, Ji Yun Jeong, Sang Ryol Ryu, Bo Kyung Koo, Kyung Ah Han, Kyung Wan Min
Korean Diabetes J. 2009;33(5):412-420.   Published online October 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.5.412
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AbstractAbstract PDF
BACKGROUND
It is difficult to improve muscle strength with only aerobic exercise training in type 2 diabetes patients. Resistance training is effective for improving muscle mass, muscle strength and insulin sensitivity. One repetition maxima (1RM), or the maximum amount of weight a subject can lift in a single repetition, may be a useful unit for evaluating the results of resistance training in type 2 diabetic patients. This study was aimed to assess baseline values for 1RM in a sample of Korean type 2 diabetes mellitus patients that are scaled for intensity and load of exercise, and to assess the relationship of 1RM to age. METHODS: A total of 266 (male: 95, female: 171) Korean patients with type 2 diabetes mellitus were included in the study sample. Maximal muscle strength was assessed by measuring 1RM for each subject (KEISER, Fresno, CA, USA). Two different exercises were used to measure 1RM: the chest press for the upper extremities, and the leg press for the lower extremities. RESULTS: Both upper and lower values of 1RM decreased with age in men and women; upper 1RM: r = -0.454, P<0.001 in men, r = -0.480, P< 0.001 in women, lower 1RM: r = -0.569, P<0.001 in men, and r = -0.452, P<0.001 in women. Values of 1RM significantly decreased in men only after the age of 70. In women, values of 1RM continuously decreased after the age of 60. CONCLUSION: The maximal muscle strength of individuals with type 2 diabetes decreases with age. We believe that resistance training is especially beneficial for type 2 diabetes mellitus patients after the sixth decade of life.

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  • The Effects of Floor-seated Exercise Program on Physical Fitness, Depression, and Sleep in Older Adults: A Cluster Randomized Controlled Trial
    Min-Jung Choi, Kyeong-Yae Sohng
    International Journal of Gerontology.2018; 12(2): 116.     CrossRef
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    Kyung Wan Min
    Journal of Korean Diabetes.2011; 12(1): 6.     CrossRef
  • The Correlations between Extremity Circumferences with Total and Regional Amounts of Skeletal Muscle and Muscle Strength in Obese Women with Type 2 Diabetes
    Hwi Ryun Kwon, Kyung Ah Han, Hee Jung Ahn, Jae Hyuk Lee, Gang Seo Park, Kyung Wan Min
    Diabetes & Metabolism Journal.2011; 35(4): 374.     CrossRef
  • The Effects of Resistance Training on Muscle and Body Fat Mass and Muscle Strength in Type 2 Diabetic Women
    Hwi Ryun Kwon, Kyung Ah Han, Yun Hyi Ku, Hee Jung Ahn, Bo-Kyung Koo, Ho Chul Kim, Kyung Wan Min
    Korean Diabetes Journal.2010; 34(2): 101.     CrossRef
  • Relationship of Maximal Muscle Strength with Body Mass Index and Aerobics Capacity in Type 2 Diabetic Patients
    Hwi Ryun Kwon, Kyung Ah Han, Yun Hyi Ku, Hee Jung Ahn, Bo Kyung Koo, Kyung Wan Min
    Korean Diabetes Journal.2009; 33(6): 511.     CrossRef
Randomized Controlled Trial
Effects of Aerobic Exercise Intensity on Insulin Resistance in Patients with Type 2 Diabetes Mellitus.
Yun Hyi Ku, Bo Kyung Koo, Hee Jung Ahn, Ji Yun Jeong, Hee Geum Seok, Ho Chul Kim, Kyung Ah Han, Kyung Wan Min
Korean Diabetes J. 2009;33(5):401-411.   Published online October 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.5.401
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AbstractAbstract PDF
BACKGROUND
Exercise offers protection against atherosclerosis and insulin resistance. We evaluated the benefits of exercise at different levels of intensity for ameliorating inflammation, endothelial dysfunction, and insulin resistance in a sample of type 2 diabetic subjects. METHODS: Fifty-nine overweight women with type 2 diabetes were randomly assigned to control (CG, N = 18), moderate-intensity exercise (MEG, N = 17), and vigorous-intensity exercise (VEG, N = 14) groups. Patients in the two experimental groups completed a 12-week exercise program, with their exercise activities monitored by accelerometers. We assessed the patients' body weights, total abdominal fat (TF), subcutaneous fat (SF) and visceral fat (VF) via computed tomography, measurements of plasma levels of hs-C-reactive protein (hs-CRP) and interleukin-6 (IL-6), assessment of endothelial function by brachial artery flow-mediated dilation (FMD), and evaluation of insulin sensitivity by insulin tolerance tests, at baseline, at the end of the 12-week interventions, and one year after initiation of the study. RESULTS: At baseline, the average age of all subjects was 54 +/- 7 years, and average body mass index (BMI) was 26.9 +/- 2.5 kg/m2. During the intervention, patients in the MEG and VEG groups expended comparable amounts of activity-related calories (488.6 +/- 111.9 kcal/day, 518.8 +/- 104.1 kcal/day, respectively). Although BMI, TF, and SF decreased similarly in the MEG and VEG groups (deltaBMI: -1.1 +/- 0.7, -0.8 +/- 0.5, deltaTF: -4,647 +/- 3,613 mm2, -2,577 +/- 2,872 mm2, deltaSF: -2,057 +/- 2,021 mm2, -1,141 +/- 1,825 mm2, respectively), compared to control (P<0.01), hs-CRP, IL-6, and FMD remained constant in both exercise groups even after completion of the 12-week exercise intervention. Insulin sensitivity improved only in patients subjected to vigorous exercise (VEG). Visceral fat loss was observed only in patients subjected to moderate exercise (MEG). At one-year follow up, these values had all returned to baseline. CONCLUSION: Exercise vigorous enough to result in significant weight and fat reduction did not ameliorate inflammation and endothelial dysfunction as measured at the end of a 12-week exercise intervention, nor did it result in sustained improvements in insulin sensitivity in type 2 diabetic subjects.

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Original Articles
Relationship Between Metabolic Syndrome and Risk of Chronic Complications in Koreans with Type 2 Diabetes.
Hye Soo Chung, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Doo Man Kim, Choon Hee Chung, Dong seop Choi
Korean Diabetes J. 2009;33(5):392-400.   Published online October 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.5.392
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AbstractAbstract PDF
BACKGROUND
We examined the relationships between components of metabolic syndrome at the time of diagnosis of type 2 diabetes, and the development of chronic complications in Korean patients with type 2 diabetes. METHODS: The medical records of patients with type 2 diabetes who had undergone treatment for at least five years prior were collected from 10 general hospitals in Korea. Among a total of 1,418 patients reviewed for possible inclusion in this study, 603 patients were selected, and the occurrence of complications among these patients was evaluated. RESULTS: Among the 603 patients (male, 253; female, 350), 154 males (60.8%) and 266 females (76.0%) were diagnosed with metabolic syndrome at the time of initial diagnosis of type 2 diabetes. The incidence of chronic complications (average follow-up 15.2 +/- 4.9 years) included 60 cases of coronary artery disease (CAD), 57 cases of cerebrovascular accident (CVA), 268 cases of diabetic retinopathy (DR), 254 cases of diabetic nephropathy (DN), and 238 cases of diabetic peripheral neuropathy (DPN). As compared to patients without metabolic syndrome, the adjusted relative risks (95% CI) of incidental diabetic complications in patients with metabolic syndrome were 3.28 (1.40~7.71) for CAD, 2.04 (0.86~4.82) for CVA, 1.53 (1.10~2.14) for DR, 1.90 (1.29~2.80) for DN, and 1.51, (1.06~2.14) for DPN. With the addition of just one constituent of metabolic syndrome, the relative risk of developing CAD, CVD, DR, DN, and DPN increased by 2.08 (95% CI, 1.27~3.40), 1.16 (0.80~1.66), 1.09 (0.93~1.26), 1.29 (1.06~1.57) and 1.06 (0.87~1.26), respectively. CONCLUSION: Metabolic syndrome in Korean patients with type 2 diabetes increases the risk of developing both macrovascular and microvascular complications.

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  • Triglyceride-glucose parameters as predictors of diabetes mellitus incidence in Korean adults: a secondary analysis of a Prospective Cohort Study
    Yu Jin Park, Miseon Shin, Hyun Seon Jeon, Eun Hee Yang
    Journal of Korean Academy of Nursing.2025; 55(2): 205.     CrossRef
  • COVID-19 pandemic: Effects of national lockdown on the state of health of patients with type 2 diabetes mellitus in a Moroccan population
    Hamid Farhane, Majida Motrane, Fatima-Ezzahra Anaibar, Aïcha Motrane, Said Nassor Abeid, Nourdin Harich
    Primary Care Diabetes.2021; 15(5): 772.     CrossRef
  • Profil clinique du syndrome métabolique et facteurs associés à sa présence au cours du diabète de type 2 à Ouagadougou (Burkina Faso)
    O. Guira, H. Tiéno, Y. Sagna, P. Mayodé, D. Yanogo, L. Zoungrana, C.-G. Kyélem, M.-T. Yaméogo, J.-Y. Drabo
    Médecine des Maladies Métaboliques.2016; 10(1): 70.     CrossRef
  • The Relationship between Metabolic Syndrome and Quality of Life in Korean Adult Women
    Hyung-Su Park, Jong Park
    The Journal of the Korea institute of electronic communication sciences.2013; 8(4): 639.     CrossRef
  • Diabetes Risk Analysis Model with Personalized Food Intake Preference
    So-Hye Jeon, Nam-Hyun Kim
    Journal of the Korea Academia-Industrial cooperation Society.2013; 14(11): 5771.     CrossRef
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    Hye Soon Kim, A Mi Shin, Mi Kyung Kim, Yoon Nyun Kim
    The Korean Journal of Internal Medicine.2012; 27(2): 197.     CrossRef
  • Cardio-Metabolic Features of Type 2 Diabetes Subjects Discordant in the Diagnosis of Metabolic Syndrome
    Sa Rah Lee, Ying Han, Ja Won Kim, Ja Young Park, Ji Min Kim, Sunghwan Suh, Mi-Kyoung Park, Hye-Jeong Lee, Duk Kyu Kim
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Genetic Association of Mitochondrial DNA Polymorphisms with Type 2 Diabetes Mellitus.
Tae Su Han, Jee Hye Choi, Jina Park, Kwang Ho Lee, Ae Ja Park
Korean Diabetes J. 2009;33(5):382-391.   Published online October 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.5.382
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BACKGROUND
Although many single nucleotide polymorphisms (SNPs) of mtDNA have been found to be associated with type 2 diabetes mellitus, the results of studies using different population samples and different methods are mixed. Therefore, we conducted a genetic association study of mtDNA SNPs and type 2 diabetes mellitus in a Korean sample and compared our results with those of studies conducted in other human populations. METHODS: A total of 298 blood samples from 147 type 2 diabetic patients and 151 normal controls were surveyed for SNPs via PCR directed sequencing. Sequencing analyses were performed using the SeqMan module of the DNASTAR program. The identified SNPs were compared to previously reported SNP lists on NCBI and V-mitoSNP. RESULTS: A total of 24 SNPs were identified in the MT-RNR2, MR-TL1 and MT-ND1 mtDNA genes in Korean type 2 diabetes mellitus patients and normal controls. The SNPs identified in the Korean sample were not closely associated with the type 2 diabetes mellitus phenotype, a significantly different result from those previously observed in European, Chinese and Japanese samples. Additionally, a haplotype and prevalence analysis could not detect any differences between the type 2 diabetes mellitus patients and normal controls. CONCLUSION: The 24 mtDNA SNPs were not associated with type 2 diabetes mellitus risk in our Korean sample. The results of the present study support the possibility that mtDNA SNPs have a differential effect on the risk of type 2 diabetes mellitus according to geographical origin.
Association Between Volume of Bowls and the Dietary Intakes in Subjects with Type 2 Diabetes.
Hee Jung Ahn, Bo Kyung Koo, Ji Yeon Jung, Hwi Ryun Kwon, Mi Yeon Chung, Yun Hyi Ku, Jin Taek Kim, Kyung Ah Han, Kyung Wan Min
Korean Diabetes J. 2009;33(4):335-343.   Published online August 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.4.335
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AbstractAbstract PDF
BACKGROUND
The results of previous studies suggest that portion size is a major factor dictating dietary energy intake. We investigated the relationship between frequencies of rice meals, bowl volumes, and dietary energy intake in a sample of patients with type 2 diabetes. METHODS: A total of 203 type 2 diabetes patients were enrolled in the study. A one-week food diary was collected from each patient and used to assess the types of meal consumed as well as the context of consumption. The volumes of the eating vessels (rice, soup and side dish bowls) used by each patient were obtained by comparisons to measuring cylinders, and dietary energy and macronutrient intake were estimated for each patient by consulting three-day dietary records. RESULTS: The mean age of the 203 subjects (male: 76, female: 127) was 53.9 +/- 9.1 years and the average body mass index (BMI) was 25.6 +/- 4.2 kg/m2. Among the subjects who ate three times per day, 96.4% consumed rice more than twice out of three meals. The median volume of rice bowls used by patients was 350 cc, of soup bowls was 530 cc and of side dish bowls was 260 cc. Portion size, as estimated by rice bowl volume, was not associated with BMI. Male subjects tended to eat out of larger rice and soup bowls (P < 0.001). Portion size was correlated with energy intake from rice (P = 0.021), but not with total energy intake (kcal/kg/day), especially in male subjects. CONCLUSION: Portion size of rice bowl was correlated with energy intake from rice, but not with total energy intake in male subjects with type 2 diabetes. To design effective meal planning methods for patients with type 2 diabetes, further prospective studies are warranted to investigate causative relationships between portion size andmetabolic conditions as well as variation by gender.

Citations

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  • Trends in adherence to dietary recommendations among Korean type 2 diabetes mellitus patients
    Kyong Park
    Nutrition Research and Practice.2015; 9(6): 658.     CrossRef
  • Small Rice Bowl-Based Meal Plan for Energy and Marcronutrient Intake in Korean Men with Type 2 Diabetes: A Pilot Study
    Hee Jung Ahn, Kyung Ah Han, Jin Young Jang, Jae Hyuk Lee, Kang Seo Park, Kyung Wan Min
    Diabetes & Metabolism Journal.2011; 35(3): 273.     CrossRef
  • Nutrients and Dish Intake by Fasting Blood Glucose Level
    Jihyun Choi, Hyun-Kyung Moon
    The Korean Journal of Nutrition.2010; 43(5): 463.     CrossRef
  • Small Rice Bowl-Based Meal Plan versus Food Exchange-Based Meal Plan for Weight, Glucose and Lipid Control in Obese Type 2 Diabetic Patients
    Hee-Jung Ahn, Kyung-Ah Han, Hwi-Ryun Kwon, Bo-Kyung Koo, Hyun-Jin Kim, Kang-Seo Park, Kyung-Wan Min
    Korean Diabetes Journal.2010; 34(2): 86.     CrossRef
  • The Effects of Small Sized Rice Bowl on Carbohydrate Intake and Dietary Patterns in Women with Type 2 Diabetes
    Hee-Jung Ahn, Yu-Kyung Eom, Kyung-Ah Han, Hwi-Ryun Kwon, Hyun Jin Kim, Kang Seo Park, Kyung-Wan Min
    Korean Diabetes Journal.2010; 34(3): 166.     CrossRef
  • The Small Rice Bowl-Based Meal Plan was Effective at Reducing Dietary Energy Intake, Body Weight, and Blood Glucose Levels in Korean Women with Type 2 Diabetes Mellitus
    Hee Jung Ahn, Kyung Ah Han, Hwi Ryun Kwon, Kyung Wan Min
    Korean Diabetes Journal.2010; 34(6): 340.     CrossRef
Effects of Vitamin D and Calcium Intervention on the Improvement of Resistance in Patients with Type 2 Diabetes Mellitus.
Young Mee Choi, Jun Ho Lee, Ji Sook Han
Korean Diabetes J. 2009;33(4):324-334.   Published online August 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.4.324
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AbstractAbstract PDF
BACKGROUND
Recent reports suggest that the intake of vitamin D and calcium may influence insulin resistance. The aim of this study was to assess the effects of vitamin D and calcium intervention on the improvement of blood glucose and insulin resistance in patients with type 2 diabetes mellitus (DM). METHODS: Fasting blood glucose, glycosylated hemoglobin A1c (HbA1C), serum 25(OH)D3, serum lipid levels, insulin secretion, and activity and dietary surveys were analyzed in type 2 DM patients both before and after a 12-week vitamin D and calcium intake intervention. RESULTS: The serum 25(OH)D3 level was found to be negatively correlated with insulin resistance and fasting blood glucose. Calcium intake level was also negatively correlated with insulin resistance. Fasting blood glucose, HbA1C, and HOMA-IR decreased significantly (P <0.05) following vitamin D and calcium intake intervention in the medical nutrition therapy (MNT) group, while there was no such change observed in the control group. Dietary calcium and vitamin D intakes were significantly (P <0.05) higher in the MNT group than in the control group. The concentrations of serum 25(OH)D3 and insulin secretion increased slightly in the MNT group following the 12-week intervention; however, these results did not reach statistical significance. CONCLUSION: The results of the present study indicate that calcium and vitamin D intervention may be helpful in improving fasting blood glucose, HbA1C, serum 25(OH)D3 and HOMA-IR in patients with type 2 DM who have insufficient serum 25(OH)D3 concentrations.

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  • Comparison of clinical characteristics and dietary intakes according to phenotypes of type 2 diabetes mellitus in South Korea: a cross-sectional study
    Mi-Jin Kim, Ji-Sook Park, Sung-Rae Cho, Daeung Yu, Jung-Eun Yim
    Korean Journal of Community Nutrition.2025; 30(2): 127.     CrossRef
  • Comparison of Biological Markers and Lifestyle Factors on the Presence of Diabetes Mellitus in Middle-aged adults
    Hye-Sun Keum, Soon-Rim Suh
    Journal of the Korea Academia-Industrial cooperation Society.2016; 17(2): 104.     CrossRef
  • A prospective randomized controlled trial of the effects of vitamin D supplementation on long-term glycemic control in type 2 diabetes mellitus of Korea
    Ohk-Hyun Ryu, Sungwha Lee, Jaemyung Yu, Moon-Gi Choi, Hyung Joon Yoo, Franco Mantero
    Endocrine Journal.2014; 61(2): 167.     CrossRef
  • A Study of Snack Consumption, Night-Eating Habits, and Nutrient Intake in Gestational Diabetes Mellitus
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  • Vitamin D and Diabetes
    Dallae Ju
    Journal of Korean Diabetes.2011; 12(2): 104.     CrossRef
  • Nutrients and Dish Intake by Fasting Blood Glucose Level
    Jihyun Choi, Hyun-Kyung Moon
    The Korean Journal of Nutrition.2010; 43(5): 463.     CrossRef
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    Jung Hyun Noh
    Korean Diabetes Journal.2009; 33(4): 276.     CrossRef
The Combination of Fasting Plasma Glucose and Glycosylated Hemoglobin as a Predictor for Type 2 Diabetes in Korean Adults.
Chan Hee Lee, Woo Jin Chang, Hyun Hee Chung, Hyun Jung Kim, Sang Hyun Park, Jun Sung Moon, Ji Eun Lee, Ji Sung Yoon, Kyung Ah Chun, Kyu Chang Won, Ihn Ho Cho, Hyoung Woo Lee
Korean Diabetes J. 2009;33(4):306-314.   Published online August 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.4.306
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AbstractAbstract PDF
BACKGROUND
The oral glucose tolerance test (OGTT) for detection of diabetes is difficult to perform in clinical settings. The aim of this study is to evaluate the performance of a more practical detection test, combined fasting plasma glucose (FPG) and glycosylated hemoglobin (HbA1c), as a predictor of diabetes mellitus (DM) in a Korean sample. METHODS: We examined 2,045 (M = 1,276, mean age = 47.8 +/- 9.0 yrs) medical check-up program participants between January 2002 to December 2003. FPG, HbA1c and a number of other biochemical tests were performed at baseline and four after years after initial screening. Patients who originally presented with diabetes were excluded. The characteristics of newly-diagnosed DM patients and non-diabetic patients were compared. RESULTS: The incidence of newly diagnosed diabetes was 1.6% (32/2,045) after four years of follow up. The subjects in the DM group were older, had higher levels of SBP, DBP, FPG, HbA1c, triglyceride, HDL cholesterol, GGT and LDH (P < 0.05). In multivariate logistic regression analysis, FPG (odds ratio [OR] 1.124) and HbA1c (OR 4.794) were significantly correlated with onset of diabetes (P < 0.05). The interaction parameter between FPG and HbA1c was more than 1.0, indicating that the two effects are synergistic. The predictive cut-off values of HbA1c and FPG were 5.35% (area under curve [AUC] = 0.944) and 102.5 mg/dL (AUC = 0.930), respectively. CONCLUSION: The combination of HbA1c above 5.35% and FPG above 102.5 mg/dL predicted the onset of diabetes in a Korean sample. These results suggest that the combination of FPG and HbA1c may be useful for predicting progression to type 2 diabetes in east Asians.

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  • The Distribution and Characteristics of Abnormal Findings Regarding Fasting Plasma Glucose and HbA1c - Based on Adults Except for Known Diabetes
    Seyoung Kwon, Youngak Na
    The Korean Journal of Clinical Laboratory Science.2017; 49(3): 239.     CrossRef
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    Hyeongsu Kim, Minjung Lee, Haejoon Kim, Kunsei Lee, Sounghoon Chang, Vitna Kim, Jun Pyo Myong, Soyoun Jeon
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    Hong-Kyu Kim, Sung-Jin Bae, Jaeone Choe
    Diabetes & Metabolism Journal.2012; 36(2): 151.     CrossRef
  • The Utility of HbA1c as a Diagnostic Criterion of Diabetes
    Hee-Jung Kim, Eun Young Choi, Eal Whan Park, Yoo Seock Cheong, Hong-Yoen Lee, Ji Hyun Kim
    Korean Journal of Family Medicine.2011; 32(7): 383.     CrossRef
  • Predictive Clinical Parameters for the Therapeutic Efficacy of Sitagliptin in Korean Type 2 Diabetes Mellitus
    Soon Ae Kim, Woo Ho Shim, Eun Hae Lee, Young Mi Lee, Sun Hee Beom, Eun Sook Kim, Jeong Seon Yoo, Ji Sun Nam, Min Ho Cho, Jong Suk Park, Chul Woo Ahn, Kyung Rae Kim
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  • Optimal range of HbA1c for the prediction of future diabetes: A 4-year longitudinal study
    Ji Cheol Bae, Eun Jung Rhee, Won Young Lee, Se Eun Park, Cheol Young Park, Ki Won Oh, Sung Woo Park, Sun Woo Kim
    Diabetes Research and Clinical Practice.2011; 93(2): 255.     CrossRef
  • The Combination of Fasting Plasma Glucose and Glycosylated Hemoglobin as a Predictor for Type 2 Diabetes in Korean Adults (Korean Diabetes J 33(4):306-314, 2009)
    Soo Lim
    Korean Diabetes Journal.2009; 33(5): 448.     CrossRef
  • The Combination of Fasting Plasma Glucose and Glycosylated Hemoglobin as a Predictor for Type 2 Diabetes in Korean Adults (Korean Diabetes J 33(4):306-314, 2009)
    Chan Hee Lee, Hyoung Woo Lee
    Korean Diabetes Journal.2009; 33(5): 451.     CrossRef
Association of Spot Urine Albumin-to-Creatinine Ratio and 24 Hour-Collected Urine Albumin Excretion Rate in Patients with Type 2 Diabetes Mellitus.
Jee In Lee, Hyuk Sang Kwon, Su Jin Oh, Jung Min Lee, Sang Ah Chang, Bong Yun Cha, Hyun Shik Son, Tae Seo Sohn
Korean Diabetes J. 2009;33(4):299-305.   Published online August 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.4.299
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AbstractAbstract PDF
BACKGROUND
Measuring urine albumin in diabetic patients is an important screening test to identify those individuals at high risk for cardiovascular disease and the progression of kidney disease. Recently, spot urine albumin-to-creatinine ratio (ACR) has replaced 24 hour-collected urine albumin excretion rate (AER) as a screening test for microalbuminuria given its comparative simplicity. The purpose of the current study was to evaluate the degree of correlation between AER and ACR in the normal, microalbuminuric and macroalbuminuric ranges, and to identify the lower limits of ACR for both genders. METHODS: A total of 310 type 2 diabetics admitted to one center were enrolled in the present study. Following the collection of a spot urine sample, urine was collected for 24 hours and albumin content was measured in both specimens. RESULTS: Mean patient age was 60.2 years. A total of 25.4% had microalbuminuria and 15.8% had macroalbuminuria. The data revealed a strongly positive correlation between AER and ACR across all ranges of albuminuria (R = 0.8). The cut-off value of ACR for 30 mg/day of AER by the regression equation was 24 microgram/mg for men, 42 microgram/mg for women and 31.2 microgram/mg for all patients. The diagnostic performance expressed as the area under the curve (AUC) was 0.938 (95% CI, 0.911-0.965) for ACR. ACR revealed a sensitivity of 84% and specificity of 84%, when a cut-off value of 31.2 microgram/mg was employed. CONCLUSION: ACR was highly correlated with AER, particularly in the range of microalbuminuria. The gender combined cut-off value of ACR in type 2 diabetic patients was determined to be 31.2 microg/mg However, additional studies of large outpatient populations, as opposed to the inpatient population used in the present study, are required to confirm the utility of this value.
The Association Between Urinary Albumin to Creatinine Ratio and Coronary Artery Calcification in Type 2 Diabetic Patients.
Ju Young Lee, Yeon Kyung Choi, Hyun Ae Seo, Jae Han Jeon, Jung Eun Lee, Seong Su Moon, Jung Guk Kim, Bo Wan Kim, In Kyu Lee
Korean Diabetes J. 2009;33(4):289-298.   Published online August 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.4.289
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AbstractAbstract PDF
BACKGROUND
Atherosclerosis, the most common cause of death in type 2 diabetic patients, is closely associated with coronary artery calcium deposition. The coronary calcifications can be easily measured using coronary calcium scoring computed tomography (CT). And microalbuminuria is known as an independent risk factor of cardiovascular disease. So, we examined the association of urinary albumin to creatinine ratio (UACR) and coronary calcification score (CCS) in type 2 diabetic patients. METHODS: Among type 2 diabetic patients who underwent the multidetector CT scanning for the evaluation of CCS at Kyungpook National University Hospital between December 2007 and May 2008, 155 subjects were included. CCS, demographic and laboratory data were assessed. RESULTS: Coronary artery calcifications were identified in 90 patients (51%) and mean, median CCS was 205.8 +/- 476.9, 8.74 (0, 132.0). 60 subjects revealed UACR greater than 30 ug/mg. With the UACR increment, CCS revealed a significant increase (P < 0.001). Age, duration of diabetes, serum Apo A1 level, serum high sensitivity C-reactive protein (hs-CRP) level were also associated with CCS. However, after adjusting for age, UACR and CCS exhibited a significant positive relationship (P = 0.002). CONCLUSION: Increased UACR is associated with coronary artery calcification in type 2 diabetic patients and these results will be useful in early evaluating the presence of macrovascular complications in these patients.
The Current Status of Type 2 Diabetes Management at a University Hospital.
Young Sil Lee
Korean Diabetes J. 2009;33(3):241-250.   Published online June 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.3.241
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AbstractAbstract PDF
BACKGROUND
The prevalence of type 2 diabetes has increased worldwide, as have the incidence and mortality of associated cardiovascular complication. However current status of diabetes management is poor. This study was performed to evaluate the management of care for type 2 diabetes patients at a university hospital. METHODS: This study comprised 926 type 2 diabetes patients, over the age of 30, who were treated at the Dongguk University Gyeongju Hospital between January and December 2008. Medical records were reviewed to collect demographic information, biochemical test results and the pharmacologic agents prescribed. RESULTS: The mean age, duration of diabetes and body mass index were 62.5 +/- 11.8 years, 9.1 +/- 7.2 year and 24.7 +/- 6.3 kg/m2, respectively. There were 251/926 (27.1%) patients with cardiovascular disease. In addition, 49.2% and 27.5% of patients had HbA1c levels < 7% and < 6.5%, respectively. There were 66.3% of the patients with blood pressure < 130/80 mm Hg. Fifty one percent and 47.4% of the patients had an LDL-C < 100 mg/dL and a non-HDL-C < 130 mg/dL, respectively. In addition, 19.7% of the patients with cardiovascular disease had an LDL-C < 70 mg/dL. Antiplatelet agents were used in 81.2% of the patients. The mean number of HbA1c measurements was 1.07 +/- 0.7 /year. HbA1c and lipid profiles were not checked in 21.4% and 23.1% of the patients, respectively. Over the previous six months, 6.9% of the patients had not had their blood pressure monitored. CONCLUSION: Among the patients with type 2 diabetes evaluated, 30~70% received in inadequate level of care. These findings point to the need for more aggressive efforts for optimal metabolic control.

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Frequency of Silent Myocardial Ischemia Detected by Thallium-201 SPECT in Patients with Type 2 Diabetes.
Dong Woo Kim, Eun Hee Jung, Eun Hee Koh, Min Seon Kim, Joong Yeol Park, Seung Whan Lee, Seong Wook Park, Jin Sook Ryu, Ki Up Lee
Korean Diabetes J. 2009;33(3):225-231.   Published online June 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.3.225
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AbstractAbstract PDF
BACKGROUND
Silent myocardial ischemia (SMI) is more common in diabetic patients than among the general population. It is not yet established whether a routine screening test for SMI is necessary, and which screening test would be most useful. The purpose of this study was to estimate the prevalence of SMI detected by Thallium-201 perfusion single photon emission computed tomography (SPECT) in type 2 diabetic patients. METHODS: A total of 173 asymptomatic type 2 diabetic patients were included in the study. Thallium-201 perfusion SPECT was performed to screen for SMI. RESULTS: Among the 173 patients, abnormal perfusion patterns were found in 11 patients. Coronary angiography was carried out for these patients, and significant coronary artery stenosis was found in ten of them (positive predictive value; 90.9%). There was a significant association between SMI and overt albuminuria (OR = 7.33, 95% CI, 1.825-29.437). CONCLUSION: Thallium-201 perfusion SPECT is not sensitive enough to identify SMI, but is accurate in detecting decreased myocardial perfusion. This may be a useful screening tool for detecting SMI in type 2 diabetic patients with impaired renal function.
The Effect of Gamma-Glutamyltransferase on Impaired Fasting Glucose or Type 2 Diabetes in Korean Men.
Tae Yeon Kim, Do Hoon Kim, Chang Hae Park, Kyung Hwan Cho, Seung Hwan Lee, Hyuk Ga, Hwan cheol Kim
Korean Diabetes J. 2009;33(3):215-224.   Published online June 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.3.215
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AbstractAbstract PDF
BACKGROUND
We sought to determine the association between serum gamma-glutamyltransferase (GGT) levels within the normal range and the risk for development of impaired fasting glucose (IFG) or type 2 diabetes. METHODS: This retrospective cohort study spanned four years (2002~2006) with 1,717 Korean men who underwent periodic health examinations at a university hospital in Incheon, Korea and were not diagnosed with IFG or type 2 diabetes. Fasting plasma glucose levels were measured at the annual health examination. IFG and diabetes were defined as a serum fasting glucose concentration of 100~125 mg/dL and more than 126 mg/dL, respectively. Cox's proportional hazards model was used to evaluate the association between serum GGT levels and development of IFG or type 2 diabetes. RESULTS: There was a strong dose-response relationship between serum GGT levels and the incidence of IFG and diabetes. A total of 570 cases (33.2%) of incident IFG and 50 cases (2.9%) of diabetes were found. After controlling potential predictors, the relative risks for the incidence of IFG for GGT levels < or = 19, 20~25, 26~34, 35~50 and > or = 51 were 1.00, 0.99, 1.17, 1.23 and 1.38 respectively (P for trend 0.015), and for the incidence of diabetes were 1.00, 1.44, 1.80, 2.55 and 2.58 respectively (P for trend 0.050). CONCLUSION: The risk for development of IFG and type 2 diabetes increased in a dose-dependent manner as serum GGT increased within its normal range in Korean men.

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  • Evaluation of Serum Gamma Glutamyl Transferase Levels in Diabetic Patients With and Without Retinopathy
    Neda Valizadeh, Rasoul Mohammadi, Alireza Mehdizadeh, Qader Motarjemizadeh, Hamid Reza Khalkhali
    Shiraz E-Medical Journal.2018;[Epub]     CrossRef
Bowl-Based Meal Plan versus Food Exchange-Based Meal Plan for Dietary Intake Control in Korean Type 2 Diabetic Patients.
Hee Jung Ahn, Boo Kyung Koo, Ji Yeon Jung, Hwi Ryun Kwon, Hyun Jin Kim, Kang Seo Park, Kyung Ah Han, Kyung Wan Min
Korean Diabetes J. 2009;33(2):155-163.   Published online April 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.2.155
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AbstractAbstract PDF
BACKGROUND
The food exchange-based meal plan is effective in controlling dietary energy intake with a macronutrient balance. However, it is difficult to practice for relatively low-literacy patients. As an alternative, we developed a system employing a standardized-sized bowl and investigated its effectiveness on achieving proper energy intake and macronutrient composition and patient compliance, compared to the conventional food exchange system in Korean type 2 diabetes patients. METHODS: Eighty subjects with type 2 diabetes were assigned to both the novel bowl-based meal plan group (BG) and the food exchange-based meal plan group (ExG). BG received limited simple instructions for the plan. Time spent for plan instruction was 10 min for BG and 40 min for ExG. Dietary energy and macronutrient intake were estimated with 3-day dietary records and patient comprehension of the plan was estimated with a 5-point Likert scale. RESULTS: After 12 weeks, dietary energy compliance showed no difference between the groups (BG: 103 +/- 10%, ExG: 101 +/- 17%). Both groups showed significant reduction in carbohydrate and protein intake and there was no difference in the proportion of carbohydrate, protein and fat in energy intake between the groups despite the shorter instruction time for BG. Following the instruction period, there was no difference in the understanding score between the groups. CONCLUSION: This bowl-based plan was equally effective as the food exchange-based plan in controlling dietary energy intake and macronutrient composition, as well as patient comprehension and compliance. Our novel plan may allow for more cost-effective methods in terms of time needed for plan instruction.

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  • Practical Diet Education for Patients with Type 2 Diabetes: Tips for Physicians
    Choong Hee Kim, Jun Sung Moon
    The Journal of Korean Diabetes.2016; 17(4): 253.     CrossRef
  • Effects of Nutrition Education and Personalized Lunch Service Program for Elderly at Senior Welfare Center in Jeonju
    Jeong-Sook Bae, Mi-Hyun Kim, Sook-Bae Kim
    Korean Journal of Community Nutrition.2013; 18(1): 65.     CrossRef
  • Effects of Chronic Disease Management Based on Clinics for Blood Pressure or Glycemic Control in Patients with Hypertension or Type 2 Diabetes Mellitus
    Won Cheong, Jun Yim, Dae-Kyu Oh, Jeong-Soo Im, Kwang Pil Ko, Yun Mi Kim
    Journal of agricultural medicine and community health.2013; 38(2): 108.     CrossRef
  • Small Rice Bowl-Based Meal Plan versus Food Exchange-Based Meal Plan for Weight, Glucose and Lipid Control in Obese Type 2 Diabetic Patients
    Hee-Jung Ahn, Kyung-Ah Han, Hwi-Ryun Kwon, Bo-Kyung Koo, Hyun-Jin Kim, Kang-Seo Park, Kyung-Wan Min
    Korean Diabetes Journal.2010; 34(2): 86.     CrossRef
  • Nutrients and Dish Intake by Fasting Blood Glucose Level
    Jihyun Choi, Hyun-Kyung Moon
    The Korean Journal of Nutrition.2010; 43(5): 463.     CrossRef
  • The Effects of Small Sized Rice Bowl on Carbohydrate Intake and Dietary Patterns in Women with Type 2 Diabetes
    Hee-Jung Ahn, Yu-Kyung Eom, Kyung-Ah Han, Hwi-Ryun Kwon, Hyun Jin Kim, Kang Seo Park, Kyung-Wan Min
    Korean Diabetes Journal.2010; 34(3): 166.     CrossRef
Associations between ApoB/ApoA-I Ratios and Metabolic Syndrome and its Components in Patients with Type 2 Diabetes.
Jung Eun Kim, Wha Young Kim, Yoon Jung Lee, Ji Eun Park, Young Ju Choi, Kap Bum Huh, Ji Yun Hwang
Korean Diabetes J. 2009;33(2):143-154.   Published online April 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.2.143
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AbstractAbstract PDF
BACKGROUND
The Apolipoprotein B/apolipoprotein A-I ratio (apoB/apoA-I) is a powerful clinical indicator of metabolic syndrome. However, few studies have searched for an association between ApoB/ApoA-I and metabolic syndrome in Korean patients with type 2 diabetes. We investigated the relation between ApoB/ApoA-I and the risk of metabolic syndrome and its components. METHODS: Subjects were 812 (424 males and 388 females) Korean patients who were being treated for type 2 diabetes at Huh's Diabetes Center in Seoul. The patients were classified into quartiles (lowest:Q1-highest:Q4) of ApoB/ApoA-I by gender. Anthropometric and hematological characteristics and dietary intake using a food frequency questionnaire were assessed. RESULTS: The prevalence of metabolic syndrome in our sample was 47.9% in males and 66.5% in females. The odds ratios (OR) for metabolic syndrome and for having its components were significantly increased from Q2 to Q4 quartiles of ApoB/ApoA-I in males (OR = 5.37; 95% CI = 2.98-9.65 and OR = 7.41; 95% CI = 4.04-13.6) and females (OR = 2.57; 95% CI = 1.28-5.15 and OR = 8.49; 95% CI = 4.28-16.8). These trends withstood adjustment for age, duration of type 2 diabetes, fasting blood glucose levels, and macronutrient intake both in males (OR = 5.24; 95% CI = 2.80-9.24 and OR = 7.98; 95% CI = 4.09-15.6) and in females (OR=4.41; 95% CI = 2.26-8.61 and OR = 8.29; 95% CI = 3.85-17.8). CONCLUSION: ApoB/ApoA-I appeared to be independently associated with risk of having metabolic syndrome and its components in Korean patients with type 2 diabetes after adjustment for putative risk factors including macronutrient intake, a particularly important lifestyle factor for patients with type 2 diabetes. A follow-up study of this population should evaluate the mechanisms underlying the relation between ApoB/ApoA-I and metabolic syndrome and its components.

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  • Association between dietary flavanones intake and lipid profiles according to the presence of metabolic syndrome in Korean women with type 2 diabetes mellitus
    Ji Soo Oh, Hyesook Kim, Aswathy Vijayakumar, Oran Kwon, Young Ju Choi, Kap Bum Huh, Namsoo Chang
    Nutrition Research and Practice.2016; 10(1): 67.     CrossRef
  • Hepatoprotective Effects of Soybean Embryo by Enhancing Adiponectin-Mediated AMP-Activated Protein KinaseαPathway in High-Fat and High-Cholesterol Diet-Induced Nonalcoholic Fatty Liver Disease
    Jihye Hong, Sera Kim, Hyun-Sook Kim
    Journal of Medicinal Food.2016; 19(6): 549.     CrossRef
  • The Relationship between Factors of Metabolic Syndrome in Korean Adult Males and the Parents' Family History of Diabetes
    Hyung-Su Park, Jin-Gyu Jeong, Jin-Ho Yu
    The Journal of the Korea institute of electronic communication sciences.2013; 8(5): 779.     CrossRef
Risk Factors for Early Development of Macrovascular Complications in Korean Type 2 Diabetes.
Hae Ri Lee, Jae Myung Yu, Moon Gi Choi, Hyung Joon Yoo, Eun Gyoung Hong
Korean Diabetes J. 2009;33(2):134-142.   Published online April 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.2.134
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AbstractAbstract PDF
BACKGROUND
The average duration of diabetes and predictive factors of macrovascular complications in Korean diabetic patients remain to be elucidated. This study examines the average duration of diabetes up to the onset of macrovascular complications and clinically important factors of early development of these complications in Korean type 2 diabetic patients. METHODS: Clinical characteristics in type 2 diabetics with (n = 121) and without macrovascular complications (n = 115) were analyzed. In addition, early onset (< or = 5 years, n = 54) and late onset groups (> 5 years, n = 67) were compared, as were the clinical characteristics between male and female patients in the macrovascular complications group. RESULTS: The average duration of diabetes was 8.7 +/- 7.8 years in the macrovascular complications group. Average age, systolic and diastolic blood pressures and smoking history were all higher in the macrovascular complications group than the control group. However, HbA1c levels and prevalence of microvascular complications were higher in the controls. Average age was lower in the early onset group and many more patients of that group had a smoking history. In the analysis based on sex, marcrovascular complications developed earlier in male patients. In addition, the prevalence of family history of diabetes was higher in males and 77.8% of male patients had a smoking history (female: 3.4%). CONCLUSION: Our study confirms that older age, high blood pressure and smoking history are major risk factors for the development of macrovascular complications. Moreover, a smoking history in males can be both risk and predictive factors for earlier development of macrovascular complications in Korean type 2 diabetic patients. We also found that several clinical characteristics including age, family history of diabetes, hypertension and smoking history, vary between the sexes, and these findings can provide useful indices for the prevention of macrovascular complications.

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  • Impact of new-onset diabetes on clinical outcomes after ST segment-elevated myocardial infarction
    Ji-Yeoun Seo, Jin-Sun Park, Kyoung-Woo Seo, Hyoung-Mo Yang, Hong-Seok Lim, Byoung-Joo Choi, So-Yeon Choi, Myeong-Ho Yoon, Gyo-Seung Hwang, Seung-Jea Tahk, Joon-Han Shin
    Scandinavian Cardiovascular Journal.2019; 53(6): 379.     CrossRef
  • Associations Between the Continuity of Ambulatory Care of Adult Diabetes Patients in Korea and the Incidence of Macrovascular Complications
    Young-Hoon Gong, Seok-Jun Yoon, Hyeyoung Seo, Dongwoo Kim
    Journal of Preventive Medicine and Public Health.2015; 48(4): 188.     CrossRef
  • Relationship of Daily Activity and Biochemical Variables in the Elderly with Diabetes Mellitus
    Ki-Wol Sung
    Journal of Korean Academy of Nursing.2011; 41(2): 182.     CrossRef
  • Epidemiology of Micro- and Macrovascular Complications of Type 2 Diabetes in Korea
    Jung Hee Kim, Dae Jung Kim, Hak Chul Jang, Sung Hee Choi
    Diabetes & Metabolism Journal.2011; 35(6): 571.     CrossRef
Average Daily Risk Range-Index of Glycemic Variability-Related Factor in Type 2 Diabetic Inpatients.
Shin Ae Park, Seung Hyun Ko, Seung Hwan Lee, Jae Hyung Cho, Sung Dae Moon, Sang A Jang, Ki Ho Song, Hyun Shik Son, Kun Ho Yoon, Bong Yun Cha, Ho Young Son, Yu Bae Ahn
Korean Diabetes J. 2009;33(1):31-39.   Published online February 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.1.31
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AbstractAbstract PDF
BACKGROUND
It is known that chronic sustained hyperglycemia and its consequent oxidative stress causes diabetic complication in type 2 diabetes. It has been further proven that glycemic variability causes oxidative stress. The aim of this study is to measure the average daily risk range (ADDR)-index of glycemic variability, and to evaluate relevant variables. METHODS: We measured the blood glucose level of type 2 diabetic patients who were treated with multiple daily injections from January to July, 2008. The blood glucose levels were checked four times a day for 14 days and were conversed according to the ADRR formula. The degree of glycemic variability was categorized into non-fluctuation and fluctuation groups. We collected patient data on age, sex, duration of diabetes, body mass index, HOMA(IR), HOMA(betacell) and HbA1c. RESULTS: A total of 97 patients were enrolled in this study. The mean age, duration of diabetes, HbA1c and mean ADRR were 57.6 +/- 13.4, 11.5 +/- 8.5 years, 10.7 +/- 2.5%, and 26.6 +/- 9.8, respectively. We classified 18.5% of the patients to the non-fluctuation group, and 81.5% to the fluctuation group. ADRR was significantly correlated with duration of diabetes, fasting and postprandial glucose, fructosamine, HbA1c and BMI and HOMAbetacell. In addition, this study confirmed that BMI, HOMAbetacell and HbA1c were ADRR-related independent variables. CONCLUSION: ADRR can be used as an index for blood glucose fluctuation in type 2 diabetic patients. Measuring ADRR in patients with low BMI and a long duration of diabetes is helpful to improve the effectiveness of their care.

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  • Relationships between Thigh and Waist Circumference, Hemoglobin Glycation Index, and Carotid Plaque in Patients with Type 2 Diabetes
    Myung Ki Yoon, Jun Goo Kang, Seong Jin Lee, Sung-Hee Ihm, Kap Bum Huh, Chul Sik Kim
    Endocrinology and Metabolism.2020; 35(2): 319.     CrossRef
  • Reversal of Hypoglycemia Unawareness with a Single-donor, Marginal Dose Allogeneic Islet Transplantation in Korea: A Case Report
    Hae Kyung Yang, Dong-Sik Ham, Heon-Seok Park, Marie Rhee, Young Hye You, Min Jung Kim, Ji-Won Kim, Seung-Hwan Lee, Tae Ho Hong, Byung Gil Choi, Jae Hyoung Cho, Kun-Ho Yoon
    Journal of Korean Medical Science.2015; 30(7): 991.     CrossRef
Evaluation of Fasting Plasma Glucose as a Screening for Diabetes Mellitus in Middle-aged Adults of Naju Country.
Jin Hwa Kim, Mi Ah Han, Chol Jin Park, Il Goo Park, Ji Hye Shin, Sang Yong Kim, So Yeon Ryu, Hak Yeon Bae
Korean Diabetes J. 2008;32(4):328-337.   Published online August 1, 2008
DOI: https://doi.org/10.4093/kdj.2008.32.4.328
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AbstractAbstract PDF
BACKGROUND
The criteria for the diagnosis of diabetes mellitus have been modified by the American Diabetes Association (ADA) in 1997. The ADA proposed that the diagnosis of diabetes be defined by a fasting plasma glucose (FPG) of 7.0 mmol/L. Disagreement has been reported between criteria based on FPG and postchallenge 2-h plasma glucose (2-h PG). The aim of the present study is to assess the FPG criteria as the diagnostic screening test for diabetes in Korean middle-aged adults in comparison to the 2-h PG criteria. METHODS: Randomly selected 1,731 subjects (679 men and 1,052 women) aged 40~70 years (mean age: 58.4 +/- 7.89 years) without previously diagnosed diabetes completed 75 g oral glucose tolerance test (OGTT). We assessed the prevalence of diabetes mellitus and the level of agreement (kappa statistics) according to the different diagnostic glucose categories. RESULTS: The frequency of newly diagnosed diabetes was 2.7% (n = 51) using the FPG criteria only; 6.4% (n = 120) using the 2-h PG criteria only; and 6.9% (n = 130) using concentrations of > or = 7.0 mmol/L for FPG or > or = 11.1 mmol/L for 2-h PG. Of the 120 subjects with diabetes by the 2-h PG criteria, 65.8% (n = 79) were not diagnosed with diabetes according to FPG concentration. The level of agreement between two diagnostic criteria was low (kappa = 0.268). The receiver operating characterstic (ROC) curve analysis determined FPG of 5.6 mmol/L to yield optimal sensitivity and specificity corresponding to 2-h PG 11.1 mmol/L. CONCLUSION: The findings in this study demonstrate that the discordance between the FPG and 2-h PG criteria in the diagnosis of diabetes in Korean middle-aged adults is large. We suggest that IFG group (FPG 5.6~6.9 mmol/L) were performed 75 g OGTT for diagnosing diabetes mellitus in Korean middle-aged adults.

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  • The Distribution and Characteristics of Abnormal Findings Regarding Fasting Plasma Glucose and HbA1c - Based on Adults Except for Known Diabetes
    Seyoung Kwon, Youngak Na
    The Korean Journal of Clinical Laboratory Science.2017; 49(3): 239.     CrossRef
  • Gender differences in metabolic syndrome components among the Korean 66-year-old population with metabolic syndrome
    Sangjin Lee, Young Ko, Chanyeong Kwak, Eun-shil Yim
    BMC Geriatrics.2016;[Epub]     CrossRef
  • 2011 Clinical Practice Guidelines for Type 2 Diabetes in Korea
    Seung-Hyun Ko, Sung-Rea Kim, Dong-Joon Kim, Seung-Joon Oh, Hye-Jin Lee, Kang-Hee Shim, Mi-Hye Woo, Jun-Young Kim, Nan-Hee Kim, Jae-Taik Kim, Chong Hwa Kim, Hae Jin Kim, In-Kyung Jeong, Eun-Kyung Hong, Jae-Hyoung Cho, Ji-Oh Mok, Kun-Ho Yoon
    Diabetes & Metabolism Journal.2011; 35(5): 431.     CrossRef
  • Associated Factors of Impaired Fasting Glucose in Some Korean Rural Adults
    Hye Eun Yun, Mi-ah Han, Ki Soon Kim, Jong Park, Myeng Guen Kang, So Yeon Ryu
    Journal of Preventive Medicine and Public Health.2010; 43(4): 309.     CrossRef
  • Comparing Survival Functions with Doubly Interval-Censored Data: An Application to Diabetes Surveyed by Korean Cancer Prevention Study
    Sun-Ha Jee, Chung-Mo Nam, Jin-Heum Kim
    Korean Journal of Applied Statistics.2009; 22(3): 595.     CrossRef
The Association of Plasma HDL-Cholesterol Level with Cardiovascular Disease Related Factors in Korean Type 2 Diabetic Patients.
Hye Sook Hong, Jong Suk Park, Han Kyoung Ryu, Wha Young Kim
Korean Diabetes J. 2008;32(3):215-223.   Published online June 1, 2008
DOI: https://doi.org/10.4093/kdj.2008.32.3.215
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AbstractAbstract PDF
BACKGROUND
Cardiovascular disease (CVD) is the major cause of death in type 2 diabetic patients. The purpose of this study was to investigate the characteristics of Korean type 2 diabetes mellitus (DM) patients according to plasma high density lipoprotein (HDL) cholesterol level and to document the effect of diet on HDL-cholesterol. METHODS: The subjects were 252 (male: 134, female: 118) Korean type 2 DM patients recruited from a general hospital's DM clinic and divided into low HDL-cholesterol group (male < 40 mg/dL, female < 50 mg/dL) and control group (male > or = 40 mg/dL, female > or = 50 mg/dL). Anthropometric and hematological variables and dietary intake were assessed by the groups. RESULTS: The subject's mean age was 60.2 +/- 1.1 years and duration of diabetes was 9.5 +/- 1.0 years. Anthropometric measurements (body fat mass, % body fat, WHR, fat free mass, and muscle mass) and BMI were not significantly different between two groups. The male subjects with low HDL-cholesterolemia showed higher Atherogenic Index (AI, P < 0.001) and higher % carbohydrate from energy than control group (P < 0.01). The female subjects with low HDL-cholesterolemia showed higher AI (P < 0.001) and a tendency of higher triglyceride level and lower intake of energy, protein, lipid, vitamin B1 and vitamin E (P < 0.05) than control group. CONCLUSION: The subject with low HDL-cholesterolemia showed significantly higher AI. Male subject with low HDL-cholesterolemia consumed higher carbohydrate and female subject with low HDL-cholesterolemia showed lower intakes of many nutrients. This result suggests the importance of an adequate and balanced diet to manage type 2 DM patients to prevent CVD complications.

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  • Improvement of High-fat Diet-induced Obesity by Xanthigen in C57BL/6N Mice
    Kyeong-Mi Choi, Youn-Sun Lee, Wonkyun Kim, Yung-Hyun Choi, Youn-Gil Kwak, Jae-Chul Jung, Jeongrai Lee, Hwan-Soo Yoo
    Journal of Life Science.2012; 22(12): 1697.     CrossRef
  • The Prevalence, Awareness and Treatment of High Low Density Lipoprotein-Cholesterol in Korean Adults Without Coronary Heart Diseases - The Third Korea National Health and Nutrition Examination Survey, 2005 -
    Sun-Ja Choi, Sung-Hee Park, Kwang-Soo Lee, Hyun-Young Park
    Korean Circulation Journal.2012; 42(2): 86.     CrossRef
  • Administration of Triticum aestivum Sprout Water Extracts Reduce the Level of Blood Glucose and Cholesterol in Leptin Deficient ob/ob Mice
    Sun-Hee Lee, Sung-Won Lim, Nguyen Van Mihn, Jung-Mu Hur, Bong-Joon Song, Young-Mi Lee, Hoi-Seon Lee, Dae-Ki Kim
    Journal of the Korean Society of Food Science and Nutrition.2011; 40(3): 401.     CrossRef
  • Effects of Namhae Specialized Crops Water Extract on Lipid Metabolism in Rats Fed a Cholesterol Diet
    Jung-Hye Shin, Min-Jung Kang, Seung-Mi Yang, Soo-Jung Lee, Nak-Ju Sung
    Korean journal of food and cookery science.2011; 27(5): 599.     CrossRef
Prevalence and Clinical Characteristics of Aspirin Resistance in the Patients with Type 2 Diabetes Mellitus.
Mi Yeon Kang, Young Min Cho, Hyun Kyung Kim, Jee Hyun An, Hwa Young Ahn, Ji Won Yoon, Hoon Sung Choi, Jie Seon Lee, Kyong Soo Park, Seong Yeon Kim, Hong Kyu Lee
Korean Diabetes J. 2008;32(1):53-59.   Published online February 1, 2008
DOI: https://doi.org/10.4093/kdj.2008.32.1.53
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AbstractAbstract PDF
BACKGROUND
We examined the prevalence and clinical characteristics of aspirin resistance in the Korean patients with type 2 diabetes mellitus. METHODS: We studied 181 Korean patients with type 2 diabetes mellitus who were taking aspirin (100 mg/day for > or = 3 months) and no other antiplatelet agents. The VerifyNow System was used to determine aspirin responsiveness. Aspirin resistance was defined as an aspirin reaction unit (ARU) > or = 550. We measured the cardio-ankle vascular index (CAVI) and ankle-brachial index (ABI) to evaluate arteriosclerosis. The anthropometric parameters, electrocardiogram, blood pressure, fasting plasma glucose, lipid profiles, hemoglobin A1c, highly sensitive C-reactive protein (hsCRP), homocysteine, and microalbuminuria were measured in each patient. RESULTS: The prevalence of aspirin resistance in type 2 diabetic patients was 9.4% (17 of 181). Those who had aspirin resistance were older than those without aspirin resistance (64.6 +/- 10.6 vs. 59.8 +/- 8.1, P = 0.024). Aspirin resistance was not associated with fasting plasma glucose, total cholesterol, triglyceride, LDL-cholesterol, HDL-cholesterol, hemoglobin A1c, hsCRP, homocysteine, microalbuminuria, ABI, CAVI, and body mass index. CONCLUSION: Prevalence of aspirin resistance in the Korean patients with type 2 diabetes mellitus was 9.4%. Although aspirin resistance was associated with old age, we could not find any good clinical parameter to predict it. Therefore, aspirin resistance should be evaluated in diabetic patients taking aspirin for prevention of cardiovascular complications.

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  • Long Non-Coding RNA H19 Positively Associates With Aspirin Resistance in the Patients of Cerebral Ischemic Stroke
    Jue Wang, Bin Cao, Yan Gao, Dong Han, Haiping Zhao, Yuhua Chen, Yumin Luo, Juan Feng, Yanxia Guo
    Frontiers in Pharmacology.2020;[Epub]     CrossRef
  • 6th Asian PAD Workshop

    Annals of Vascular Diseases.2015; 8(2): 135.     CrossRef
  • Non-HDL cholesterol is an independent risk factor for aspirin resistance in obese patients with type 2 diabetes
    Jong Dai Kim, Cheol-Young Park, Kue Jeong Ahn, Jae Hyoung Cho, Kyung Mook Choi, Jun Goo Kang, Jae Hyeon Kim, Ki Young Lee, Byung Wan Lee, Ji Oh Mok, Min Kyong Moon, Joong Yeol Park, Sung Woo Park
    Atherosclerosis.2014; 234(1): 146.     CrossRef
The Relationship of Family Support with Blood Glucose Control in Elderly Type 2 Diabetic Patients.
Eun Suk Kim, Seong Jin Lee, Ohk Hyun Ryu, Jee Youn Lee, Hyun Suk Yun, Moon Gi Choi
Korean Diabetes J. 2007;31(5):435-443.   Published online September 1, 2007
DOI: https://doi.org/10.4093/jkda.2007.31.5.435
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AbstractAbstract PDF
BACKGROUND
With the extension of human life span, the prevalence of diabetes in elderly population is increasing. The glycemic control is also important in elderly diabetics because the life expectancy in elderly is steadily increased. In this study, we investigated the role of family support on glycemic control in elderly type diabetic patients. METHODS: This study was conducted with 126 type 2 diabetic patients over 60 years of age who were enrolled between March and December, 2005. The data for glycemic control, family characteristics, and family support were collected by structured questionnaire, personal interview, and medical record review. We used total supportive index scores to evaluate family support. We evaluated the relationship between family support and glycemic control. RESULTS: Fasting plasma glucose was positively correlated with duration of diabetes (r = 0.277, P = 0.003). Postprandial 2 hour plasma glucose was negatively correlated with monthly incomes (r = -0.357, P = 0.002), assessment support (r = -0.201, P = 0.029). Hemoglobin A1c was positively correlated with duration with diabetes (r = 0.294, P = 0.002) and insulin use (r = 0.259, P = 0.004), but it was negatively correlated with diabetic self-management education (r = -0.190, P = 0.036). Adjusted for age, sex, duration of diabetes, and monthly incomes, there were no significant associations between glycemic control and family support. CONCLUSION: In this study, there were no significant associations between glycemic control and family support. More large prospective studies will be followed to exactly evaluate the role of family support in diabetic patients.

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    Ancho Lim, Youngshin Song
    Nursing Open.2020; 7(3): 887.     CrossRef
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    Asian Nursing Research.2015; 9(1): 73.     CrossRef
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    Na-Yeong Sohn, Jin-Hyang Yang
    Journal of Korean Academy of Fundamentals of Nursing.2013; 20(1): 27.     CrossRef
  • Perception of social support by individuals with diabetes mellitus and foot ulcers
    Ana Laura Galhardo Figueira, Lílian Cristiane Gomes Villas Boas, Maria Cristina Foss de Freitas, Milton César Foss, Ana Emilia Pace
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    Zdrowie Publiczne.2012; 122(3): 265.     CrossRef
  • Effects of Low Glycemic Index Nutrition Education on the Blood Glucose Control in Patients with Type 2 Diabetes Mellitus
    Mi-Ja Kim, Sunja Kwon, Sun Yung Ly
    The Korean Journal of Nutrition.2010; 43(1): 46.     CrossRef
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Therapeutic Efficacy of Combined Therapy with Once Daily Insulin Glargine and Once Daily Glimepiride in Korean Type 2 Diabetic Patients.
Ji Young Park, Hyo Jeong Kim, Bo Kyung Koo, Hyun Jin Kim, Gang Seo Pak, Kyung Ah Han, Kyung Wan Min, Eung Jin Kim
Korean Diabetes J. 2007;31(5):391-401.   Published online September 1, 2007
DOI: https://doi.org/10.4093/jkda.2007.31.5.391
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AbstractAbstract PDF
BACKGROUND
Once daily injection and 24 hour lasting glucose lowering effect of insulin glargine had recently changed a perception about the early insulin treatment of type 2 diabetic patients. This study was performed to investigate therapeutic efficacy of combined therapy with insulin glargine and glimepiride in Korean type 2 diabetic patients, who had received oral hypoglycemic agents (OHA) or conventional insulin therapy. METHODS: Total of 192 patients who needed to change the previous therapy because of uncontrolled diabetes or hypoglycemia were included and followed for about 6 months. Two groups of prior treatment modality were analyzed; OHA group (n = 54, 28.1%), conventional insulin therapy group in combination with or without OHA group (n = 138, 71.9%). The primary end point was changes in HbA1c according to baseline characteristics such as prior treatment modality, HbA1C, c-peptide, duration of diabetes mellitus, body mass index and prior used conventional insulin doses. Secondary end point was the dose conversion ratio of insulin glargine to prior used insulin in patients who had one or two insulin therapy. We also evaluated the level of the patients' satisfaction on the glucose lowering effects and the convenience for use of device. RESULTS: The differences of HbA1c according to prior treatment groups were -0.78 +/- 1.76 % in OHA group and 0.07 +/- 1.44 % in conventional insulin group with or without OHA group. The HbA1c improved better when baseline HbA1c was higher than 9%, c-peptide was higher than 0.6 ng/mL, duration of diabetes was shorter than 15 years, BMI was lower than 30 kg/m2 and prior conventional insulin dose was less than 30 IU. However, those effects were attenuated in subjects having duration of diabetes longer than 16 years, BMI higher than 30 kg/m2 and prior insulin dose more than 40 IU. Dose conversion ratio of the insulin glargine to prior insulin was 0.78 +/- 0.30 and showed a tendency to increase in patients who have prior insulin dose more than 40 IU. The scores of the patients' subjective satisfaction on insulin glargine were all high, irrespective of the changes of HbA1c. CONCLUSIONS: Once daily injection of insulin glargine and oral ingestion of glimepiride can be recommended as one of starting insulin regimen for patients who are not adequately controlled by OHA alone or as once daily regimen for whom treated with one or two conventional insulin therapy.
gamma-glutamylcysteine Synthetase (gamma-GCS) mRNA Expression in INS-1 Cells and Patients with Type 2 Diabetes Mellitus.
Jae Hong Kim, Chan Hee Lee, Jun Sung Moon, Ji Sung Yoon, Kyu Chang Won, Hyoung Woo Lee
Korean Diabetes J. 2007;31(4):302-309.   Published online July 1, 2007
DOI: https://doi.org/10.4093/jkda.2007.31.4.302
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AbstractAbstract PDF
BACKGROUND
Hyperglycemia is a well-recognized pathogenic factor of long term complications in diabetes mellitus and hyperglycemia also generates reactive oxygen species (ROS) in beta cells when ROS accumulate in excess for prolonged periods of time, they cause chronic oxidative stress and adverse effects. Unfortunately, the islet contacts low capacity of endogenous antioxidant effects. But, gamma-glutamylcysteine synthetase (gamma-GCS), the rate-limiting enzyme for glutathione synthesis, is well represented in islets. METHODS: This study is to evaluate the changes in the activity of gamma-GCS, glutathione in beta-cells exposed to high glucose, in pancreatic tissue of OLETF (Otsuka Long Evans Tokushima Fatty) and LETO (Long-Evans Tokushima Otsuka) rats, in leukocytes from patients with Korean type 2 DM (T2DM) and to disclose the effects of high blood glucose on this impairment in patients with T2DM. We divided our patients into 3 groups by HbA1c (controls: n = 20, well controls diabetes: n=24, poorly controlled diabetes: n = 36). RESULTS: We observed that decreased glutathione level, gamma-GCS expression, glucose-stimulated (GSIS) and increased intracellular peroxide level in the INS-1 cells exposed to 30 mM glucose condition. Also decreased glutathione level at erythrocytes, gamma-GCS expression at leukocytes and increased oxidized LDL, MDA (malondialdehyde) level at plasma from patients with T2DM compared to controls (esp, poorly controlled patients). CONCLUSION: These results suggest that insufficient antioxidant defenses by the glutathione pathway may be one of the factors responsible for development of complications in T2DM.
Case Report
A Case of Ketosis-Prone Type 2 Diabetes Mellitus.
Dong Lim Kim, Suk Kyeong Kim, Kee Ho Song
Korean Diabetes J. 2007;31(3):293-296.   Published online May 1, 2007
DOI: https://doi.org/10.4093/jkda.2007.31.3.293
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AbstractAbstract PDF
Ketosis-prone type 2 diabetes (KPD) has been characterized as diabetes with severe insulin deficiency at diagnosis associated with ketosis or ketoacidosis without a precipitating cause. Improvement in beta-cell function and insulin sensitivity by aggressive diabetic management could allow discontinuation of insulin therapy within a few month of therapy. These subjects are usually obese, have a strong family history of diabetes, absence of beta-cell autoimmune markers and lack of human leukocyte antigen genetic association. This clinical presentation has been reported primarily in African and African Americans, but rare in Asian and white person. We recently experienced a case of KPD in Korea and present it with literature review.

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  • A Case of Autoantibody-Positive Ketosis-Prone Diabetes Mellitus
    Bora Yoon, Gyuri Kim, Jae Hyun Bae, Yu Jung Yun, Yong Ho Lee, Byung Wan Lee, Chul Woo Ahn, Bong Soo Cha, Hyun Chul Lee, Eun Seok Kang
    The Journal of Korean Diabetes.2016; 17(1): 60.     CrossRef
Randomized Controlled Trial
Randomized, Open Label, Multicenter Clinical Trial about the Effect of Cilazapril on Vascular Endothelial Function in Patients with Type 2 Diabetes Combined with Hypertension.
Sang Youl Rhee, Jeong Taek Woo, Sei Hyun Baik, Hyoung Woo Lee, In Kyu Lee, Hye Soon Kim, Moon Kyu Lee, Min Ho Shong, Chung Gu Cho, Byoung Hyun Park, Bong Soo Cha, Young Seol Kim
Korean Diabetes J. 2006;30(6):450-458.   Published online November 1, 2006
DOI: https://doi.org/10.4093/jkda.2006.30.6.450
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  • 1 Crossref
AbstractAbstract PDF
BACKGROUND
The angiotensin converting enzyme inhibitor (ACEi) improves the vascular endothelial cell function and has a better clinical outcome by decreasing the LDL cholesterol oxidation, hypercoagulability, oxidative stress and improving the level of endothelial nitric oxide synthesis in patients with type 2 diabetes and hypertension. However, the correlations between the ACEi and the serum markers for the vascular endothelial function in previous studies were not consistent. SUBJECTS AND METHODS: Between July 2003 and April 2005, 104 type 2 diabetes patients with hypertension, who had been admitted to 9 major university hospitals in Korea, were examined. The subjects were randomly allocated to the cilazapril (2.5~5 mg/day) and atenolol (50~100 mg/day) treatment group and given a combination of hydrochlorothiazide and amlodipine. The lipid profile and the markers for endothelial function, such as vWF, VCAM, E-selectin, tPA, fibrinogen, adiponectin, hsCRP, nitrotyrosine were evaluated and the differences in the variables were compared with those obtained 6 months later. RESULTS: A total 56 subjects completed the 6-months follow up period. Regarding the baseline characteristics, there were no significant differences in the variables observed in the two groups except for HbA1c (P = 0.037), vWF (P = 0.048), and hsCRP (P = 0.038). After 6 months, both groups showed a significant and identical decrease in the systolic and diastolic blood pressure compared with the baseline (P < 0.002). However, there were no significant differences in the endothelial markers between each group. On the other hand, there was some deterioration in the triglyceride (P = 0.009) and HbA1c (P = 0.017) levels in the atenolol treatment groups. CONCLUSIONS: There were no significant differences in the endothelial function markers observed between the cilazapril and atenolol groups. However, cilazapril had an identical effect on the blood pressure reduction compared with atenolol but had fewer adverse effects on the glucose and lipid metabolism.

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  • Potential Protective Role of Blood Pressure-Lowering Drugs on the Balance between Hemostasis and Fibrinolysis in Hypertensive Patients at Rest and During Exercise
    Annabella Braschi
    American Journal of Cardiovascular Drugs.2019; 19(2): 133.     CrossRef
Original Articles
Efficacy Evaluation of Atorvastatin in Korean Hyperlipidemic Patients with Type 2 Diabetes Mellitus.
Dong Seop Choi, Duk Kyu Kim, Doo Man Kim, Seong Yeon Kim, Moon Suk Nam, Yong Soo Park, Ho Sang Shon, Chul Woo Ahn, Kwan Woo Lee, Ki Up Lee, Moon Kyu Lee, Choon Hee Chung, Bong Yeon Cha
Korean Diabetes J. 2006;30(4):292-302.   Published online July 1, 2006
DOI: https://doi.org/10.4093/jkda.2006.30.4.292
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AbstractAbstract PDF
BACKGROUND
NCEP ATP III Guideline recommends aggressive treatments of diabetic dyslipidemia, recognizing diabetes mellitus as CHD risk equivalents. This study was conducted to evaluate the effectiveness and safety of atorvastatin in hyperlipidemic patients with Type 2 diabetes mellitus through post-marketing drug use investigation of atorvastatin. METHODS: An open, multi-center, non-comparison, titrated dosage study was conducted in hyperlipidemic patients, who were treated with atorvastatin at first visiting hospitals from Mar. 2004 to Sep. 2004. 96 endocrinologists participated from 66 centers in this study. Total 2,182 hyperlipidemic patients were enrolled and 1,514 patients among them were accompanied by diabetes mellitus. Efficacy was evaluated at later than 4-week treatment by % change of total cholesterol, triglycerides, HDL-cholesterol and LDL-cholesterol from baseline. Percent of patients reaching LDL-cholesterol level less than 100 mg/dL was also analyzed. The adverse events incidence and abnormalities of clinical laboratory values were evaluated for safety monitoring. RESULTS: Total cholesterol, triglycerides, and LDL-cholesterol level were reduced by 26.6%, 12.0%, and 34.8%, respectively, in diabetic hyperlipidemic patients after atorvastatin treatment. The patients with LDL-cholesterol level of less than 100 mg/dL were increased from 2.8% to 52.6%. Atorvastatin was considered to be safe because adverse drug reactions were reported in 32 patients (1.5%) of total 2,182 patients. CONCLUSION: Atorvastatin was effective and safe in hyperlipidemic patients with type 2 diabetes mellitus.

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  • Modified Saengmaeksan (Shengmai-san) for arterial stiffness in middle-aged women: A feasibility study
    Nahyun Cho, Jungah Uhm, Changsop Yang, Hiroshi Miyashita, Hobin Moon, Jungtae Leem
    European Journal of Integrative Medicine.2026; 81: 102581.     CrossRef
  • Response: A Retrospective Study on the Efficacy of a Ten-Milligram Dosage of Atorvastatin for Treatment of Hypercholesterolemia in Type 2 Diabetes Mellitus Patients (Korean Diabetes J 2010;34:359-67)
    Dong Kyun Kim, Sa Rah Lee, Min Sik Kim, Suk Hyang Bae, Jin Yeon Hwang, Jung-Min Kim, Sung Hwan Suh, Hye-Jeong Lee, Mi Kyoung Park, Duk Kyu Kim
    Diabetes & Metabolism Journal.2011; 35(1): 88.     CrossRef
  • A Retrospective Study on the Efficacy of a Ten-Milligram Dosage of Atorvastatin for Treatment of Hypercholesterolemia in Type 2 Diabetes Mellitus Patients
    Dong Kyun Kim, Sa Rah Lee, Min Sik Kim, Suk Hyang Bae, Jin Yeon Hwang, Jung-Min Kim, Sung Hwan Suh, Hye-Jeong Lee, Mi Kyoung Park, Duk Kyu Kim
    Korean Diabetes Journal.2010; 34(6): 359.     CrossRef
  • The Association of Plasma HDL-Cholesterol Level with Cardiovascular Disease Related Factors in Korean Type 2 Diabetic Patients
    Hye Sook Hong, Jong Suk Park, Han Kyoung Ryu, Wha Young Kim
    Korean Diabetes Journal.2008; 32(3): 215.     CrossRef
Cardiovascular Autonomic Neuropathy in Patients with Type 2 Diabetes Mellitus.
Seung Hyun Ko, Hyuk Sang Kwon, Jung Min Lee, Sung Rae Kim, Jae Hyung Cho, Ki Dong Yoo, Yong Moon Park, Won Chul Lee, Ki Ho Song, Kun Ho Yoon, Bong Yun Cha, Ho Young Son, Yu Bai Ahn
Korean Diabetes J. 2006;30(3):226-235.   Published online May 1, 2006
DOI: https://doi.org/10.4093/jkda.2006.30.3.226
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AbstractAbstract PDF
BACKGROUND
Diabetic autonomic neuropathy has a significant negative impact on survival and quality of life in type 2 diabetic patients. Especially cardiovascular autonomic neuropathy (CAN) is clinically important, because of its correlation to cardiovascular death. Therefore, we investigated the prevalence of CAN in Korean type 2 diabetic patients. METHODS: 1798 type 2 diabetic patients, 727 males and 1071 females, visited Diabetes Clinic at St. Vincent Hospital, Korea, were included from January 2001 to December 2005. Clinical evaluation, laboratory test and assessment of diabetic complication were completed. Standard test for CAN were performed: 1) heart rate variability (HRV) during deep breathing (E/I ratio) 2) Valsalva maneuver 3) 30:15 ratio 4) blood pressure response to standing. CAN score was determined according to the results of the test as following: 0 = normal, 1 = abnormal. RESULTS: Mean age and diabetic duration of patients were 56.7 +/- 10.9, and 9.4 +/- 7.5 years. Normal and abnormal CAN were detected in 815 (45.3%) and 983 (54.7%) of the patients, respectively. Abnormal E/I, valsalva, and 30:15 ratio were found in 333 (18.5%), 717 (39.9%), and 546 (30.4%) patients, respectively. Age, diabetic duration, postprandial hyperglycemia, HbA1c, C-reactive protein, and microalbumuria levels were significantly different between normal and abnormal CAN groups. 49 (6.0%) patients of normal and 100 (10.2%) patients of abnormal CAN group showed previous attack of stroke (P = 0.004). In addition, diabetic foot was more frequent in patients with CAN (normal vs. abnormal, 14 (1.7%) vs. 73 (7.4%), P < 0.05). CONCLUSION: CAN is frequently found in Korean type 2 diabetic patients. It was associated with diabetic duration, uncontrolled diabetes, increased albumin excretion rate, presence of retinopathy, postprandial hyperglycemia.

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  • Effects of High-Dose α-Lipoic Acid on Heart Rate Variability of Type 2 Diabetes Mellitus Patients with Cardiac Autonomic Neuropathy in Korea
    Sol Jae Lee, Su Jin Jeong, Yu Chang Lee, Yong Hoon Lee, Jung Eun Lee, Chong Hwa Kim, Kyung Wan Min, Bong Yun Cha
    Diabetes & Metabolism Journal.2017; 41(4): 275.     CrossRef
  • Screening of Autonomic Neuropathy in Patients with Type 2 Diabetes
    Bo Kyung Koo
    Diabetes & Metabolism Journal.2014; 38(5): 346.     CrossRef
  • Decision trees and multi-level ensemble classifiers for neurological diagnostics
    Herbert F. Jelinek, Jemal H. Abawajy, Andrei V. Kelarev, Morshed U. Chowdhury, Andrew Stranieri
    AIMS Medical Science.2014; 1(1): 1.     CrossRef
  • Correlation between Predictors for Diabetic Gastroparesis and Gastric Emptying Scintigraphy
    Kyung-Ju Lee, Kyoung-Ho Ryu, Jin-Ook Chung, Dong-Hyeok Cho, Dong-Jin Chung, Min-Young Chung
    Chonnam Medical Journal.2009; 45(3): 175.     CrossRef
  • Epidemiologic Characteristics of Diabetes Mellitus in Korea: Current Status of Diabetic Patients Using Korean Health Insurance Database
    Ie Byung Park, Sei Hyun Baik
    Korean Diabetes Journal.2009; 33(5): 357.     CrossRef
  • The Status of Diabetes Mellitus and Effects of Related Factors on Heart Rate Variability in a Community
    Kyeong-Soon Chang, Kwan Lee, Hyun-Sul Lim
    Korean Diabetes Journal.2009; 33(6): 537.     CrossRef
Randomized Controlled Trial
The Effect of Green Tea Polyphenol on Plasma Glucose, Lipid Levels and Antioxidant Systems in Type 2 Diabetic Patients.
Ji Hye Suk, Mi Kyung Kim, Jae Won Ju, Ji Sook Han, Jeong Hyun Park
Korean Diabetes J. 2006;30(3):217-225.   Published online May 1, 2006
DOI: https://doi.org/10.4093/jkda.2006.30.3.217
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AbstractAbstract PDF
BACKGROUND
Green-tea polyphenol (GTP) is a well known antioxidant with favorable effect on blood glucose and lipid level in animal models. We were to investigate the effects of GTP on plasma glucose, lipid and antioxidant systems in patients with type 2 diabetes. METHODS: We recruited non-complicated type 2 diabetic patients with stable glycemic control by oral hypoglycemic agents. Subjects were randomly assigned to GTP group or placebo group for 12 weeks. Fasting plasma glucose (FPG), HbA1c, C-peptide, lipid levels, liver function test, renal function test, urine microalbumin, malondialdehyde (MDA), superoxide dismutase (SOD) and glutathione peroxidase (GSHPx) activities were measured at baseline and after 12 weeks of treatment. RESULTS: At baseline, there were no significant differences in age, body mass index, duration of diabetes, dietary status, HbA1c, total cholesterol, LDL cholesterol, and HDL cholesterol levels between GTP and placebo group. However, FPG levels and triglyceride levels were significantly different between GTP and placebo group at baseline. In both of GTP and placebo group, there were no significant change after 12 weeks of treatment in FPG, HbA1c, total cholesterol, LDL cholesterol, triglyceride, levels of MDA, and GSHPx activities. SOD activities significantly increased after 12 weeks of treatment in both of GTP and placebo group. The increase of SOD activities were significantly higher in GTP group than in placebo group (P = 0.01). CONCLUSIONS: Supplementation of green tea polyphenol increased antioxidant activity in type 2 diabetic patients. The effect on plasma glucose and lipid level was not significant but should be confirmed in further large scaled studies.

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  • Effect of Young Barley Leaf Powder on Glucose Control in the Diabetic Rats
    Hee-Kyoung Son, Yu-Mi Lee, Yong-Hyun Park, Jae-Joon Lee
    The Korean Journal of Community Living Science.2016; 27(1): 19.     CrossRef
Original Articles
The Relationship between Visceral & Subcutaneous Fat and Small Dense Low Density Lipoprotein Cholesterol Concentration in Type 2 Diabetic Patients.
Wan Sub Shim, Soo Kyung Kim, Hae Jin Kim, Eun Seok Kang, Chul Woo Ahn, Sung Kil Lim, Hyun Chul Lee, Bong Soo Cha
Korean Diabetes J. 2006;30(3):207-216.   Published online May 1, 2006
DOI: https://doi.org/10.4093/jkda.2006.30.3.207
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AbstractAbstract PDF
BACKGROUND
Visceral obesity is closely associated with cardiovascular disease (CVD). Small dense (sd) LDL is closely associated with CVD. The aim of this study was to evaluate the relationship between visceral and subcutaneous fat accumulation and sd LDL-C concentration. METHODS: 264 type 2 diabetic patients underwent ultrasonography to estimate visceral & subcutaneous fat accumulation and sd LDL-C concentrations were measured. RESULTS: BMI, total cholesterol, sd LDL-C concentration and percentage of sd LDL-C were higher in highest tertile of visceral fat length in male than those in lowest tertile. BMI, total cholesterol, triglyceride, LDL-C, sd LDL-C concentration and percentage of sd LDL-C were higher in highest tertile of visceral fat length in female than those in lowest tertile. But sd LDL-C concentration and percentage of sd LDL-C were not different among three groups based on the tertile of subcutaneous fat length in male and female. Visceral fat length was correlated with sd LDL-C concentration and percentage of sd LDL-C, total cholesterol, triglyceride, LDL-C, but negatively with percentage of large buoyant LDL-C and HDL-C after adjustment of age, sex and BMI. Subcutaneous fat length was not correlated with sd LDL-C and percentage of sd LDL-C, total cholesterol, triglyceride, HDL-C and LDL-C. CONCLUSION: The association between visceral fat length and sd LDL-C could be a factor that explains the association between visceral obesity and CVD.

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  • Comparative analysis of lipid profiles in different pork cuts before and after boiling
    Eun-Ju Cho, Ho-Chang Kim, Jeung-Hee Lee
    Food Science and Preservation.2025; 32(2): 190.     CrossRef
Association between Genetic Polymorphisms in Hepatocyte Nuclear Factor 4alpha and Type 2 Diabetes in Koreans.
Eun Jung Lee, Soo Heon Kwak, Sun Wook Jo, Hyung Jin Choi, Hyoung Doo Shin, Min Kyong Moon, Young Min Cho, Hak Chul Jang, Kyong Soo Park, Houng Kyu Lee
Korean Diabetes J. 2006;30(1):10-16.   Published online January 1, 2006
DOI: https://doi.org/10.4093/jkda.2006.30.1.10
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AbstractAbstract PDF
BACKGROUND
Hepatocyte nuclear factor-4alpha (HNF-4alpha) is a member of transcription factor network which is essential for the development and function of the beta cell. Furthermore mutations in the HNF-4alpha gene have been known to cause maturity-onset diabetes of the young. Therefore we aimed to examine the association between polymorphisms in the HNF-4alpha gene and the risk of type 2 diabetes (T2DM) and its related phenotypes in the Korean population. METHODS: Two single nucleotide polymorphisms (SNPs) in the HNF-4alpha gene, g.4681C>T and HNF-4alpha g.12352C>T (Thr139Ile), were genotyped in unrelated T2DM (n=760) and non-diabetic subjects (n=303). The genetic associations between these SNPs and the risk of T2DM and metabolic phenotypes were analyzed. RESULTS: There was no significant association between genetic polymorphisms in the HNF-4alpha and the risk of T2DM. However HNF-4alpha g.4681C>T increased total cholesterol in the recessive model (P = 0.02) and showed marginal association with fasting plasma glucose (P = 0.049) in the additive model. CONCLUSION: There was no significant association between genetic polymorphisms and the risk of T2DM in the Korean populations. But HNF-4alpha g.4681C>T was associated with higher level of total cholesterol and fasting plasma glucose.
The Relationship between Metabolic Syndrome and Small Dense Low Density Lipoprotein-Cholesterol.
Wan Sub Shim, Hae Jin Kim, Eun Seok Kang, Yu Mie Rhee, Chul Woo Ahn, Sung Kil Lim, Hyun Chul Lee, Bong Soo Cha
Korean Diabetes J. 2005;29(6):548-556.   Published online November 1, 2005
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AbstractAbstract PDF
BACKGROUND
Type 2 diabetes mellitus and metabolic syndrome (MS) are associated with the increased risk of cardiovascular disease and with characteristic dyslipidemia which is composed of high level of triglyceride, low level of HDL-C and increased small dense LDL (sd-LDL). Recently a simple method was established for the quantification of sd-LDL-C using heparin-magnesium precipitation. The aim of this study was to evaluate the relationship between the sd-LDL-C and the number of components of MS in type 2 diabetic patients. METHODS: 287 type 2 diabetic patients, who did not use the medication which can affect the concentration of lipid such as statin, fibrate, thiazolidinediones and corticosteroid, were enrolled. The NCEP-ATP III criteria of MS were used except obesity. RESULTS: Although LDL-C concentrations were not changed according to the number of components of MS, absolute level and percentage of sd-LDL-C were increased. Although LDL-C concentrations were not different between presence and absence of MS, in the case of MS, absolute level and percentage of sd-LDL-C were higher than not in the case of MS. Sd-LDL-C concentration was positively correlated with fasting plasma glucose, HbA1c, total cholesterol, triglyceride, LDL-C and percentage of sd-LDL-C, and negatively with HDL-C. The percentage of sd-LDL-C was positively correlated with total cholesterol, triglyceride and sd-LDL-C, and negatively with HDL-C. CONCLUSION: The sd-LDL-C may a factor that explains the higher risk of CVD in diabetic patients with the MS.
Clinical Meaning of Postprandial Insulin Secretory Function in Korean Type 2 Diabetes Mellitus.
Wan Sub Shim, Soo Kyung Kim, Hae Jin Kim, Se Eun Park, Eun Seok Kang, Yu Mie Rhee, Chul Woo Ahn, Sung Kil Lim, Kyung Rae Kim, Hyun Chul Lee, Bong Soo Cha
Korean Diabetes J. 2005;29(4):367-377.   Published online July 1, 2005
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AbstractAbstract PDF
BACKGROUND
Impaired pancreatic beta-cell responsiveness is associated with type 2 diabetes mellitus. Postprandial insulin deficiency is closely related with fasting plasma glucose, HbA1c and insulin responses to meals, but most studies examining postprandial beta-cell responsiveness have been limited by the small number of type 2 diabetic patients examined. The aim of this study was to evaluate fasting and postprandial insulin secretions in relation to the duration of diabetes, BMI and glycemic control in a large number of patients with variable disease durations. METHODS: We evaluated the fasting plasma glucose, insulin, C-peptide, HbA1c, BMI, postprandial 2 hour glucose, insulin and C-peptide in 1,170(male 662, female 508, age 54.6+/-1.6 years, duration of diabetes 5.2+/-6.3 years, BMI 25.4+/-3.3kg/m(2)) type 2 diabetic patients. The delta C-peptide, delta insulin, fasting(M0) and postprandial(M1) pancreatic beta-cell responsiveness were also calculated. The subjects were divided into three groups according to their duration of diabetes, BMI, and fasting and postprandial C-peptide levels. After adjusting for age, sex and BMI, the correlation of diabetes and HbA1c were correlated parameters. RESULTS: In the group of patients whose duration of diabetes was longer than 10 years, the BMI, fasting, postprandial and delta C-peptide, and M0 and M1 were significantly lower, but age, fasting and postprandial glucose, as well as HbA1c were significantly higher than those in the other groups. There were no significant differences in the fasting and postprandial glucose and HbA1c according to their fasting C-peptide tertiles. However, in the group of patients with the highest postprandial C-peptide tertile, the fasting and postprandial glucose and HbA1c were significantly lower than those in the other groups. The duration of diabetes, after adjustment of age, sex and BMI, was negatively correlated with the fasting, postprandial and delta C-peptide, M0 and M1, but was positively correlated with the fasting and postprandial 2 hour glucose and HbA1c. The HbA1c after adjustment of age, sex and BMI, was positively correlated with duration of diabetes, and fasting and postprandial glucose, but was negatively correlated with fasting postprandial and delta C-peptide, M0 and M1. CONCLUSION: Although the fasting and postprandial insulin secretions were decreased with duration of diabetes, the decrease in the postprandial insulin secretion was more prominent. The postprandial pancreatic responsiveness may be a more important factor in predicting glycemic control in Korean type 2 diabetic patients than the fasting pancreatic responsiveness.
Resurvey of Alternative Medicine in Korean Type 2 Diabetes Mellitus after 10Years.
Kyung Wook Lee, Seong Bin Hong, Kee Young Min, Seung Yong Lee, Moonsuk Nam, Yong Seong Kim, Chul Woo Ahn, Bong Soo Cha, Kyung Rae Kim, Hyun Chul Lee, Kwan Woo Lee, Tae Sun Park
Korean Diabetes J. 2005;29(3):231-238.   Published online May 1, 2005
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AbstractAbstract PDF
BACKGROUND
Despite tremendous advances in modern medicine, the interest in alternative medicine, including those medicines used for the treatment of diabetes has intensified throughout the industrialized world. We conducted a clinical resurvey of the dlternative medicines used for diabetic treatment, and we compared the results with those from the previous survey. METHODS: From July through October 2004, a total of 1,233 type 2 diabetics attending diabetes clinics in five university hospitals were interviewed and asked 14 questions that were identical to those questions asked 10 years ago during the earlied study. RESULTS: On the average, the respondents, having an average age of 58.9+/-11.4years, suffered diabetes for 8.7+/-7.3years with 7.7+/-1.4% HbA1c. The percentage of patients who experienced using alternative medicine for diabetic treatment plummeted from 73.9% to 33.2% over the last 10 years. Herbal medicine maintained its high popularity with increase an being seen in supplementary food use. The average per-capita spending on alternative medicine changed from 520,000 Korea Won on five types of medicine in 1994 to 730,000 on two types of medicine in 2004. Regarding the information sources, the family and relatives topped the list again(70.3%). Information sources such as mass media almost doubled to 20.2%, and the internet accounted for 1.2% in 2004. The majority of the users said again in 2004 that the medicine was `inefficacious'(63.5%) but those who answered positively inched up by 3.1% from 14.5% in 1994. To the question if they would try a new alternative medicine, the majority answered negatively in 2004(43% of the experienced group, 52.3% of the inexperienced group), and this was unlike the results in 1994 when the positive responses prevailed(78.6% and 72.7% respectively). CONCLUSION: Alternative medicine use among the type 2 diabetic patients has declined in the last 10 years. The patients overall attitude toward alternative medicine has turned negative, and this is primarily attributable the to continuous, proper education by mass media and social groups
Analysis of the Relative Importance of Insulin Resistance and Insulin Secretion Defect by Homeostasis Model Assessment in Korean Type 2 Diabetic Patients.
Wan Sub Shim, Soo Kyung Kim, Hae Jin Kim, Jae Hoon Moon, Eun Seok Kang, Yu Mie Rhee, Chul Woo Ahn, Sung Kil Lim, Kyung Rae Kim, Hyun Chul Lee, Bong Soo Cha
Korean Diabetes J. 2005;29(3):206-214.   Published online May 1, 2005
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AbstractAbstract PDF
BACKGROUND
Type 2 diabetes is characterized by defects in both insulin secretion and insulin sensitivity. However, the relative importance of insulin secretion and insulin resistance in Korean type 2 diabetic patients has not been well characterized in any study that has included a large number of subjects. Therefore, this study aimed to evaluate the relative importance of insulin sensitivity and the function of the beta cell in Korean type 2 diabetic patients. METHODS: We applied the HOMA model to 1,162 type 2 diabetic patients (654 males and, 508 females) who did not use insulin and we assessed HOMAIR and HOMAbetacell & its relation to the other parameters. RESULTS: The HOMAIR of Korean type 2 diabetic patients was 2.29(range: 0.31~37.17) and the HOMAbetacell of Korean type 2 diabetic patients was 32.17(range: 1.04~1310.79). The HOMAIR of Korean type 2 diabetic male patients was 2.15(range: 0.31~16.6) and that of Korean type 2 diabetic female patients was 2.47(range: 0.36~37.17). The HOMAbetacell of Korean type 2 diabetic male patients was 30.1(range: 1.04~462.34) and that of Korean type 2 diabetic female patients was 35.42(range: 2.60~1310.79). The HOMAIR and HOMAbetacell were significantly higher in females than males. There was no significant correlation between HOMAIR and age, and the duration of diabetes, but there was significant correlation between HOMAIR and BMI, fasting glucose, HbA1c and the fasting insulin. There was no significant correlation between age and HOMAbetacell. However, there was significant correlation between HOMAbetacell and BMI, the duration of diabetes, the fasting glucose, HbA1c and the fasting insulin. The longer the duration of diabetes, the more the HOMAbetacell was decreased but there was no change of HOMAIR with respect to the duration of diabetes. As expected, the subjects with a lower HOMAIR and a higher HOMAbetacell had the best glycemic control. Those with a higher HOMAIR and lower HOMAbetacell had the worst glycemic control although they had taken larger amount of oral hypoglycemic agents. Interestingly, the patients with a lower HOMAIR and higher HOMAbetacell had better glycemic control than those patients with a higher HOMAIR and lower HOMAbetacell. CONCLUSION: Both insulin secretion and insulin resistance are important in glycemic control but it seems that insulin secretion is a more important factor in glycemic control than insulin resistance in the Korean type 2 diabetic patients
Genetic Polymorphism of Glucagon-Like Peptide 1 Receptor in Korean Type 2 Diabetes Mellitus.
Kyung Wook Lee, Meihua Jiang, Shanji Piao, Eun A Kim, Seong Bin Hong, Moon Suk Nam, Yong Seong Kim, Kyong Soo Park, Hyun Chul Lee
Korean Diabetes J. 2005;29(1):30-38.   Published online January 1, 2005
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BACKGROUND
Glucagon-like peptide-1 (GLP-1) is a hormone secreted by intestinal L-cells, which stimulates insulin secretion from cells. The biological action of GLP-1 is mediated by the glucagon-like peptide-1 receptor (GLP-1R), which is 463 amino acids in size, with 7 transmembrane domains. Because GLP-1 plays an important modulatory role in regulating glucose-stimulated insulin, the GLP-1R could be a candidate gene contributing to impaired -cell function and the development of this genetically heterogeneous disorder. Recently, four GLP-1R SNPs were identified in Caucasian diabetic individuals, and for the SNP at the Leu- 260Phe (A/C) position, statistically significant differences were detected in the distribution of genotypes between type 2 diabetic and nondiabetic subjects. We replicated the genetic association between the SNP at the leu260Phe (A/C) position in the GLP-1R gene and Korean type 2 diabetes mellitus. METHODS: The Leu260Phe polymorphism in the GLP-1R gene was determined using a PCR- RFLP method (the genotypes were determined according to the results of polymerase chain reaction products after digestion and the digestive enzyme was BbsI) in 419 Korean type 2 diabetic patients and 345 nondiabetic subjects. RESULTS: In contrast to the Caucasian report, there was no significant difference in the frequencies of alleles, and genotypes between Korean type 2 diabetic and nondiabetic subjects. When analyzed according to gender, BMI and age of onset, the genotype distribution of type 2 diabetic subjects was not significantly different from nondiabetic subjects. CONCLUSION: The Leu260Phe polymorphism in the GLP-1R gene was not associated with type 2 diabetes mellitus, and we were unable to replicate the genetic association between this polymorphism and Korean type 2 diabetes mellitus
The Relation of Serum Adipokines with Metabolic Risk Factors in Type 2 Diabetic Subjects.
Tae Seo Sohn, Jung Min Lee, Sang Ah Chang, Hyun Shik Son, Young Mi Ku, Bong Yun Cha, Kwang Woo Lee, Ho Young Son, Sung Ku Kang
Korean Diabetes J. 2004;28(6):521-529.   Published online December 1, 2004
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BACKGROUND
Accumulation of fat, especially in the visceral space, has been claimed to have a causative role in the development of macroangiopathies, because of the secretion of adipokine from the fat tissue. Indeed, the adipocyte secretes chemical messengers (e.g., adipokines) that include leptin, TNF-alpha , IL-6, adiponectin, and resistin. Since adipokines have biologic activities within the vascular system, they might be involved in the development of diabetic angiopathies. The aim of this study is to investigate the relation of adipokine with adiposity, metabolic risk factors, diabetic micro-, and macroangiopathies in type 2 diabetic patients. METHODS: The subjects of this study were 57 type 2 diabetic patients. Anthropometric parameters (height, body weight, waist circumference and body fat composition), cardiovascular risk factors (BP, Lp (a), lipid profile, hs-CRP, fibrinogen), status of glucose metabolism (HbA1c, fasting glucose), diabetic microvascular complication, intima-media thickness (IMT) at both common carotid artery and adipokine (leptin, adiponectin, resistin) were measured. RESULTS: The correlation between the serum adipokine level and duration of diabetes was statistically significant (P <0.01). The leptin was correlated with body mass index (r=0.446, P <0.01), waist circumference (r=0.553, P <0.01) and body fat content (r=0.573, P <0.01). The adiponectin was negatively correlated with plasmatotal cholesterol (r=-0.366, P <0.01) and triglyceride (r=-0.276, P <0.05). The resistin was correlated with Lp (a) (r=0.386, P <0.01), hs-CRP (r=0.413, P <0.01), fibrinogen (r=0.562, P <0.01) and 24hr microalbuminuria (r=0.353, P <0.05). The adiponectin was increased in patients with microalbuminuria than with normo- and macroalbuminuria (P <0.05). The resistin was increased in patients with micro- or macroalbuminuria than normoalbuminuria (P <0.05). The adiponectin was increased in patients with retinopathy (P <0.05). The serum adipokine level was not correlated with IMT of common carotid artery. CONCLUSION: This study reveals that serum adipokine was related with metabolic risk factor in type 2 diabetic patients. Among adipokines, adiponectin and resistin might be involved in diabetic angiopathy. The underlying mechanisms remained to be elucidated in the role of adipokine to the development of diabetic angiopathy.
A Case of Newly Diagnosed Type 2 Diabetes Mellitus Presenting with Rhinocerebral Mucormycosis.
Jung Hwa Jung, Jong Ryeal Hahm, Mi Yeon Kang, Sung Won Moon, Tae Sik Jung, Deok Ryong Kim, Soon Il Chung
Korean Diabetes J. 2004;28(3):225-230.   Published online June 1, 2004
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Rhinocerebral mucormycosis(RM) is a rare opportunistic fungal infection that mainly occurs in immunocompromised or diabetic patients, but rarely in healthy indi-viduals. This fungal infection usually begins at the nose and progresses through the paranasal sinuses, and secondarily invading the orbit and central nervous system. Because of its rapid progression and high mortality, early diagnosis and treatment are crucial to increase the patient survival rate. A combination of ampho-tericin B administration and surgery is a standard repertoire of RM treatment. Herein, a case in which a 69-year-old male patient with type 2 diabetes mellitus, presentings as RM, is reported. This patient had never been diagnosed with diabetes mellitus until the diabetes and RM were identified by us using the oral glucose tolerance test, measurement of the glycated hemoglobin level and a paranasal sinus CT scan. The RM was further confirmed by a biopsy of an oral mucosal ulcerative lesion. This case suggests that RM can present in newly diagnosed type 2 diabetes patients.
Plasma and urinary Vascular Endothelial Growth Factor and Diabetic Nephropathy in Type 2 Diabetes Mellitus.
Jeong Heon Oh, Hye Jin Yoo, Soo Yeon Park, Ohk Hyun Ryu, Sang Soo Park, Soon Beom Kwon, Hee Young Kim, Ji A Seo, Kye Won Lee, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Dae Ryong Cha, Sei Hyun Baik, Dong Seop Choi
Korean Diabetes J. 2004;28(2):111-121.   Published online April 1, 2004
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BACKGROUND
VEGF(vascular endothelial growth factor) has been implicated in the pathogenesis of neovascularization and endothelial dysfunction in diabetes mellitus. However, its precise role in diabetic nephropathy is still unknown. Our aims were to determine whether alterations of plasma and urinary VEGF levels were related to diabetic microvascular complications, especially nephropathy in type 2 diabetic patients. METHODS: 107 type 2 diabetic patients, without non-diabetic kidney diseases, and 47 healthy control subjects were studied. The urinary albumin excretion was defined as the albumin-to-creatinine ratio(ACR) in 24 hour urine samples. The study subjects were divided into four groups: a nondiabetic healthy control group(n=47), a normoalbuminuric diabetic group(ACR <30mug/mg, n=37), a microalbuminuric diabetic group(ACR 30~299mug/mg, n=37) and an overt proteinuric diabetic group(ACR=300mug/mg, n=33). The plasma and urinary VEGF levels were measured in these subjects by enzyme-linked immunosorbent assays. RESULTS: 1) The urinary VEGF concentrations were significantly higher in the diabetic groups than in the controls, even in the normoalbuminuric stage(log VEGF/Cr, normoalbuminuria; 4.33+/-1.06 vs. control; 3.53+/-0.79, p=0.009). The levels of urinary VEGF excretions increased with advancing diabetic nephropathy stage. 2) The plasma and urinary VEGF levels were higher in the hypertensive diabetic than the normotensive diabetic patients. 3) In the diabetic patients, the level of plasma VEGF was positively correlated with the BUN(r=0.398, p=0.039) and urinary ACR (r=0.251, p=0.044). The level of urinary VEGF was positively correlated with the urinary ACR(r=0.645, p<0.001), and creatinine(r=0.336, p=0.009), but negatively correlated with the level of serum albumin(r=-0.557, p<0.001). Both the levels of urinary VEGF and serum creatinine were independently correlated with the urinary ACR. CONCLUSIONS: The excretion of urinary VEGF increased at a relatively earlier stage in diabetic nephropathy and was significantly correlated with the excretion of urinary albumin. These results suggested the possibility of urinary VEGF as a sensitive marker or the detection of diabetic nephropathy and in predicting disease progression.
Efficacy of Serum Leptin Level as an Indicator to Predict the Clinical Response of Rosiglitazone in Patients with Type 2 Diabetes Mellitus.
Jae Hyuk Lee, Soo Kyung Kim, Kyu Yeon Hur, Han Seok Choi, Ji Young Jung, Wan Sub Shim, Hyun Joo Lee, Chul Woo Ahn, Sung Kil Lim, Kyung Rae Kim, Hyun Chul Lee, Bong Soo Cha
Korean Diabetes J. 2003;27(5):420-432.   Published online October 1, 2003
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BACKGROUND
Leptin is a protein secreted by adipocytes that regulates food intake by acting on the hypothalamus and is correlated with body fat mass. Insulin resistance is also correlated with body fat mass and obesity. Rosiglitazone (RSG) is known as a highly selective and potent agonist for the peroxisome proliferator-activated receptor-gamma (PPARgamma). It improves glycemic control by improving insulin sensitivity in peripheral tissue. This study was performed to evaluate the antidiabetic and insulin sensitizing effects of RSG combination therapy and the efficacy of serum leptin level as an indicator to predict the clinical response of RSG in type 2 diabetic patients with oral agents such as metformin and/or sulfonylurea. METHODS: The study subjects were 140 type 2 diabetic patients (90 male, 50 female) who received a 12-week course of daily 4 mg RSG, in addition to the previous medications. The glucose level, indices of insulin resistance and metabolic parameters were measured. Serum leptin level was measured by radioimmunoassay before and after RSG treatment. Visceral fat and subcutaneous fat were measured by sonography. RESULTS: After 12 weeks of RSG treatment, FPG (12.6+/-28.1 mg/dL), HOMAIR (0.3+/-0.9), serum fasting insulin (1.9+/-4.7 microU/mL), SBP and DBP had all decreased significantly, whereas body weight, BMI, waist circumference, WHR, body fat mass, and subcutaneous fat had all increased. Serum leptin level also tended to increase after RSG treatment, but without significance. deltaFPG (delta=value after treatment- value before treatent) was inversely correlated with basal serum leptin level (r=-0.202), basal HOMAIR (r=-0.226) and basal FPG (r=-0.565). There was no correlation between deltaFPG and basal BMI or serum insulin level. RSG treatment showed significant inverse correlation between serum leptin level and deltaHOMAIR (r=-0.416), delta insulin (r=-0.365) and deltaHbA1c (r=-0.189). Serum leptin level was positively correlated with the subcutaneous fat amount (r=0.548), basal BMI (r=0.521), and basal HOMAIR (r=0.343). CONCLUSION: These results showed that RSG treatment can improve not only hyperglycemia but also insulin resistance in type 2 diabetic patients. The serum leptin level at baseline can be used as an indicator to predict the clinical response of RSG treatment in type 2 diabetes patients.
Insulin Secretory Dysfunction in the Pathogenesis of Type 2 Diabetes in Koreans: A Minimal Model Analysis.
Sung Hoon Kim, Dong Jun Kim, Byung Wan Lee, In Ah Seo, Jae Hoon Chung, Young Ki Min, Myung Shik Lee, Kwang Won Kim, Moon Kyu Lee
Korean Diabetes J. 2003;27(5):414-419.   Published online October 1, 2003
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BACKGROUND
Type 2 diabetes is a complex, heterogeneous disorder, characterized by impairments in both insulin secretion and insulin action. This study was done to examine the significance of alterations in insulin sensitivity and beta-cell function in the pathogenesis of type 2 diabetes in Korean subjects with varying degrees of glucose intolerance. METHODS: Forty Korean subjects were studied, 12 with normal glucose tolerance (NGT), 14 with impaired glucose tolerance (IGT) and 14 with type 2 diabetes. An oral glucose tolerance test (OGTT) was performed on each subject. Insulin sensitivity (SI), glucose effectiveness (Sg), acute insulin response after intravenous glucose (AIRg) and the disposition index (DI= SI x AIRg) were measured by the insulin-modified, frequently sampled intravenous glucose tolerance test (FSIGT). RESULTS: Neither fasting serum insulin level nor SI was significantly different among the NGT, lGT and diabetes groups. Sg was significantly lower in the type 2 diabetes group than in the NGT group. The mean AIRg was blunted in the IGT and diabetes groups when compared with the NGT group. DI was more powerful in differentiating between NGT and IGT, compared to AIRg alone. CONCLUSION: These findings suggest that a defect in the compensatory insulin secretion might be more important than insulin resistance in the development of type 2 diabetes in Korean subjects.
Analysis of the Body Mass Index of Newly Diagnosed Type 2 Diabetic Patients and Its Temporal Trends.
Ji Hye Suk, Jung Choi, Yong Wuk Kim, Jae Suk Park, Ji Sup Kim, Mi Kyung Kim, Sin Yeong Choi, Jeong Hyun Park, Byung Doo Rhee
Korean Diabetes J. 2003;27(2):132-140.   Published online April 1, 2003
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BACKGROUND
Previous epidemiological studies have shown that Korean type 2 diabetic patients were mainly non-obese compared to their Western counterparts. This retrospective study was performed to find the percentage of obese type 2 diabetic patients, and its temporal changes, using the newly proposed Asian criteria for the diagnosis of obesity. In addition, our results were compared with Caucasian data. METHODS: The subjects of our study were all newly diagnosed type 2 diabetic patients; 157 for 1991, 176 for 1996 and 275 for 2001. The all the study subjects were aged over 30 years. They all had visited the Mary Knoll General Hospital for the first time, and were diagnosed with type 2 diabetes mellitus within 1 year. The maximum BMI (Body Mass Index) was calculated from the patients heaviest life-time body weight, and their current BMI from the values obtained at their first visit to our institution. The delta BMI (deltaBMI) was calculated by subtracting the current BMI from the maximum BMI the HbA1c value at the time of the first visit was also recorded. Obesity was defined as a body mass index greater than 25kg/m2. RESULTS: The mean values of maximum BMI were 25.7+/-4.5, 26.4+/-4.3 and 25.9+/-6.0 kg/m2 for the years of 1991, 1996 and 2001, respectively. The mean values of the current BMI were 24.0+/-3.0, 24.2+/-3.0 and 24.8+/-3.6 kg/m2 for the years of 1991, 1996 and 2001, respectively. None of these values showed statistically significant differences. The percentages of obese type 2 diabetic patients in 1991, 1996 and 2001 were 64.3, 69.0 and 66.9%, according to their maximum BMI, respectively. The percentages of obese type 2 diabetic patients, from their current BMI, were 31.8, 39.8 and 43.6% in 1991, 1996 and 2001, respectively, and these values showed statistically significant increases over time (p=0.016). The mean value of the delta BMI was significantly lower in 2001 compared with 1996, and it was positively correlated with the HbA1c at the time of the first visit (p< 0.01). CONCLUSION: The percentage of obese type 2 diabetic patients at the time of the maximum body weight was 60 to 70%, but the percentage at the time of diagnosis had decreased to 30 to 40%. The percentage of obese type 2 diabetic patients at the time of diagnosis significantly increased over time. The mean BMI value of the Korean type 2 diabetic patients was lower than that of Caucasians, but the percentage of obese type 2 diabetic patients and its temporal trends were similar to those of Caucasians. Our study shows that Korean type 2 diabetic patients are as obese as Caucasians when they meet their own diagnostic criteria for obesity.
Left Ventricular Mass Index Increases in Proportion to the Urinary Microalbumin Excretion Rate in Type 2 Diabetes.
Seung Ha Park, Won Young Lee, Sun Woo Kim
Korean Diabetes J. 2002;26(6):500-508.   Published online December 1, 2002
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BACKGROUND
In type 2 diabetes, microalbuminuria is an early marker of the atherosclerotic process and of endothelial dysfunction. It has also been shown to be related with the prevalence and morbidity of renal and cardiovascular diseases, and is associated with other risk factors of vascular damage. Left ventricular hypertrophy (LVH) has long been established as a major independent marker of future cardiovascular morbidity and mortality, depending on the body mass and blood pressure load. In order to clarify any association between the urinary microalbumin excretion rate (UAER) and the left ventricular mass index (LVMI), which may explain the observed poor prognosis in these patients, we analysed the clinical characteristics and laboratory findings data of type 2 diabetes. METHODS: We conducted a cross-sectional study of 48 patients with type 2 diabetes, who had been echocardiographically assessed and their 24-h urine collection analyzed for UAER, and the patients with clinical evidence of heart and renal diseases were excluded. The patients were divided into two groups according to their mean LVMI value (Low LVMI group: LVMI <97 g/m2, n=26; High LVMI group: LVMI >or=97 g/m2, n=22). RESULTS: The UAER, and systolic and diastolic blood pressures, were higher in the High LVMI group, but age, sex, body mass index (BMI) and duration of diabetes were similar in both group. The correlation of UAER and systolic blood pressure with LVMI remained significant, even after a multiple regression analysis (p=0.042, p=0.01 respectively). CONCLUSION: The significant relationship between the UAER and LVMI was independent of blood pressure, age, sex, BMI, duration of diabetes and other cardiovascular risk factors in type 2 diabetes. Therefore, an increased UAER may play an important role in the development of LVH.
Relationship between C-peptide, Metabolic Control and Chronic Complications in Type 2 Diabetes.
Jeung Mook Kang, Won Young Lee, Ji Youn Kim, Jung Won Yun, Sun Woo Kim
Korean Diabetes J. 2002;26(6):490-499.   Published online December 1, 2002
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BACKGROUND
Type 2 diabetes mellitus is a heterogeneous disease characterized by variable degrees of insulin resistance, impaired insulin secretion and increased glucose production. As the decline of beta-cell function in type 2 diabetes is very slow, the relationship between the insulin secretory capacity, the degree of metabolic control and chronic complications is still unclear. The determination of plasma C-peptide allows for the assessment of the endogenous insulin production, even in the presence of exogenous insulin administration. The aim of this study was to evaluate the relationship between the serum C-peptide level and metabolic parameters, and the complications in type 2 diabetes. METHOD: The clinical characteristics and laboratory findings, such as lipid profile, fasting plasma glucose, HbA1C and uric acid, were evaluated, and their relationships with chronic complications analyzed. We measured the serum C-peptide level by radioimmunoassay (RIA) in 384 type 2 diabetes mellitus patients. The patients were divided into quartile groups according to their fasting C-peptide levels (quartile 1: <1.73 ng/mL, n=95; quartile 2:>or=1.73 ng/mL and <2.38 ng/mL, n=95; quartile 3:>or=2.38 ng/mL and <3.18 ng/mL, n=98; quartile 4:>or=3.18 ng/mL, n=96). RESULTS: Patients in the lowest C-peptide quartile showed significantly higher durations of diabetes, HbA1C and postprandial plasma glucose values, and HDL-cholesterol. Conversely, the BMI, systolic blood pressure, total cholesterol and triglyceride were significantly higher in the highest C-peptide quartile. The prevalence of diabetic retinopathy and urinary protein excretion were higher in lowest quartile, and the diastolic blood pressure was highest in the upper quartile, but these were not statistically significant. The associations between C-peptide, and the duration of diabetes, BMI, total cholesterol, triglyceride, HDL cholesterol, postprandial 2 plasma glucose and systolic blood pressure remained significant, even after multiple adjustments. CONCLUSION: In type 2 diabetes, higher C-peptide levels are associated with a component of metabolic syndrome and lower C-peptide levels due to decreased cell reserves, associated with hyperglycemia and microvascular complications
Multicenter Study
Effects of Nateglinide on the Control of Mealtime Glucose Excursions in Korean Patients with Type 2 Diabetes.
Hyeon Man Kim, Yoon Seok Chung, Kwan Woo Lee, Dae Jung Kim, Hyun Chul Lee, Dong Rim Kim, Dong Seop Choi, Eun Sook Oh, Moo Il Kang, Kwang Woo Lee, Chul Young Park, In Myung Yang, Jin Woo Kim, Young Seol Kim, Hyong Gi Jung
Korean Diabetes J. 2002;26(5):405-415.   Published online October 1, 2002
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BACKGROUND
Nateglinide belong to a new family of insulin secretagogues that stimulate the early phase of insulin secretion. This study was designed to evaluate the efficacy and adverse effect of nateglinide in Korean type 2 diabetes patients, whose diabetes were inadequately controlled by medical nutrition therapy, focusing on the changes in mealtime glucose excursion (PBG), fasting blood glucose (FBG), glycated hemoglobin (HbA1c) and plasma insulin. SUBJECTS AND METHODS: This multicentered open-label trial was conducted on 66 Korean patients with type 2 diabetes mellitus. The subjects comprised of 36 males and 30 females, with a mean age, and duration of diabetes of 53.9+/-9.6(34~69) years and 39.5+/-44.0 months, respectively. The inclusion criteria were as follows: 1) FBG and PBG before the trial of 6.7~11.1 mmol/l and above 11.1 mmol/l, respectively, 2) changes of FBG and PBG during the 2-week-diet treatment of less than 1.7 mmol/l. PBG, FGB, HbA1c and plasma insulin levels were measured at weeks -2, 0, 2, 4, 8 and 12. Any adverse effects were noted during the study. The data were analyzed by the intent-to treat (ITT) and the per protocol (PP) methods. RESULTS: Nineteen cases were excluded due to protocol violation or withdrawal. The PBG level was significantly decreased during the study 13.7 2.6 mmol/l, before the trail to 9.6 2.8 mmol/l after (p=0.001) which was particularly marked during the first 2 weeks. The FBG, HbA1c and fasting plasma insulin levels were also significantly decreased, from 9.0+/-1.2 to 8.2+/-2.0 mmol/l, p=0.0063), from 8.0+/-1.3% to 7.0+/-1.1% (p=0.0001) and from 9.8 7.2 to 8.0 5.5 pmol/l (p<0.05), respectively. Three adverse events suggested the nateglinide-related diabetes was not serious. CONCLUSION: This study revealed that nateglinide could be used as an effective glucose-lowering agent, especially for the control of mealtime glucose excursion in Korean type 2 diabetes patients who were inadequately controlled by diet alone.
Original Article
Polymorphism of the Uncoupling Protein 1 (UCP-1) Gene and Fatty Acid Binding Protein 2 (FABP2) Gene in Korean Type 2 Diabetic Patients.
Sun Gyu Kim, Chul Hee Kim, Seog Ki Yun, Yeo Il Yun, Yong Hyun Kim, Il Song Nam, Ju Young Lee, Ji O Mok, Hyeong Kyu Park, Young Sun Kim, Dong Won Byun, Kyo Il Suh, Myung Hi Yoo
Korean Diabetes J. 2001;25(4):262-272.   Published online August 1, 2001
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BACKGROUND
It is well known that genetic component plays an important role in developing obesity and type 2 diabetes mellitus. A number of candidate genes have been suggested, but the major gene determining the development of obesity and type 2 diabetes has not yet been uncovered. Previous studies suggest that polymorphisms of the intestinal fatty acid binding protein (FABP2) and uncoupling protein 1 (UCP-1) gene were related with obesity and/or insulin resistance in several populations. METHODS: We examined 76 type 2 diabetic patients (aged 44+/-6 years) and 96 healthy controls (aged 25+/-3 years). Ala54Thr polymorphism of the FABP2 gene and A to G polymorphism (-3826) of the UCP-1 gene were determined by polymerase chain reaction and restriction fragment length polymorphism method. RESULTS: The Thr54 allele of the FABP2 gene was found with a frequency of 0.33 in nondiabetic controls and 0.36 in type 2 diabetic patients. The genotype frequency of the Ala54Thr polymorphism was similar in nondiabetic and diabetic subjects ( 2=0.87, P=0.64). The -3826 G allele of UCP-1 gene was found with a frequency of 0.51 in nondiabetic controls, and 0.46 in type 2 diabetic patients. The genotype frequency of the -3826 A to G polymorphism was also similar in nondiabetic and diabetic subjects ( 2=1.46, p=0.46). When the subjects of each groups were subdivided into nonobese and obese group by BMI of 25 kg/m2, there was no significant difference in genotype frequencies of the UCP-1 and FABP2 gene polymorphisms. CONCLUSION: These results suggest that either the Ala54Thr polymorphism of the FABP2 gene or the A to G polymorphism (-3826) of UCP-1 gene do not play a major role in developing type 2 diabetes mellitus or obesity in Korean.

Diabetes Metab J : Diabetes & Metabolism Journal
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