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Volume 33(6); December 2009
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Reviews
Autophagy in Diabetes.
Hye Seung Jung, Myung Shik Lee
Korean Diabetes J. 2009;33(6):453-457.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.453
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  • 27 Download
AbstractAbstract PDF
Diabetes mellitus is characterized by decreased insulin secretion and action. Decreased insulin secretion results from a reduction in mass and/or function of pancreatic beta-cells. Apoptosis, oxidative stress, mitochondrial dysfunction, and endoplasmic reticulum (ER) stress responses have been suggested as mechanisms for the changes in beta-cells in type 2 diabetes; however, the underlying causes have not been clearly elucidated. Autophagy is an intracellular process that maintains cellular homeostasis through degradation and recycling of organelles. Recently, we reported reduction of beta-cell mass in autophagy-deficient mice. Pancreatic insulin content was also decreased due to the decreased beta-cell mass and the reduced number of insulin granules. Morphological analysis of these beta-cells revealed an accumulation of ubiquitinated proteins, swollen mitochondria, and distended ER. Insulin secretory function ex vivo was also impaired. As a result, autophagy-deficient mice showed hypoinsulinemia and hyperglycemia. These results suggested that autophagy is necessary to maintain the structure, mass and function of beta-cells. In addition, as autophagy may play a protective role against ER stress and rejuvenate organelle function, impaired autophagy may lead to mitochondrial dysfunction and ER stress, which have been implicated as causes of insulin resistance. Therefore, in addition to beta-cell homeostasis, dysregulated autophagy may possibly be involved in insulin resistance.
Stimulation of Glucagon Like Peptide-1 Secretion in Enteroendocrine L cells.
Byung Joon Kim
Korean Diabetes J. 2009;33(6):458-463.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.458
  • 2,004 View
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  • 2 Crossref
AbstractAbstract PDF
GLP-1 (glucagon like peptide-1) is new anti-diabetic drug with a number of beneficial effects. It stimulates glucose dependant insulin secretion and restoration of beta cell mass through enhancement of islet mass. However, it is easily inactivated after being secreted from enteroendocrine L cells. Recent trial to increased GLP-1 is to directly stimulate L cells through its receptor located in the surface of L cell. Taste receptor in the apical surface of L cell is activated by various tastants contained in the food. Tongue perceives taste sense through the heterotrimeric G-protein (alpha-gustducin) and its downstream signaling cascades. Same taste receptors are also expressed in enteroendocrine cells. In duodenal L cell, alpha-gustducin was detected by immunofluorescence stainig at the luminal projections of enteroendocrine cells. And several other taste signaling elements were also found in L cells. Ingestion of sweet or bitter compounds revealed stimulation of GLP-1 secretion and the regulation of plasma insulin and glucose. In this review, I will briefly introduce the possibilities to stimulate GLP-1 secretion though the membrane receptor in enteroendocrine cell. And it will be the good candidate to develop the treatment modality for obesity, diabetes and abnormal gut motility.

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  • Repression of sterol regulatory element-binding protein 1-c is involved in the protective effects of exendin-4 in pancreatic β-cell line
    Seok-Woo Hong, Jinmi Lee, Se Eun Park, Eun-Jung Rhee, Cheol-Young Park, Ki-Won Oh, Sung-Woo Park, Won-Young Lee
    Molecular and Cellular Endocrinology.2012; 362(1-2): 242.     CrossRef
  • Exendin-4 Protects Oxidative Stress-Induced β-Cell Apoptosis through Reduced JNK and GSK3β Activity
    Ju-Young Kim, Dong-Mee Lim, Chan Il Moon, Kyung-Jin Jo, Seong-Kyu Lee, Haing-Woon Baik, Ki-Ho Lee, Kang-Woo Lee, Keun-Young Park, Byung-Joon Kim
    Journal of Korean Medical Science.2010; 25(11): 1626.     CrossRef
Editorial
Coronary Artery Calcification and Serum Apolipoprotein A-1 in Patients with Type 2 Diabetes.
Ki Won Oh
Korean Diabetes J. 2009;33(6):464-465.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.464
  • 1,780 View
  • 16 Download
AbstractAbstract PDF
No abstract available.
Original Articles
Treatment of Type 1 Diabetes through Genetically Engineered K-cell Transplantation in a Mouse Model.
Ju Yeon Sim, Ju Hee Kim, Yu Bae Ahn, Ki Ho Song, Je Ho Han, Bong Yun Cha, Sook Kyung Lee, Sung Dae Moon
Korean Diabetes J. 2009;33(6):466-474.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.466
  • 2,057 View
  • 21 Download
AbstractAbstract PDF
BACKGROUND
K-cells function as targets for insulin gene therapy. In a previous study, we constructed EBV-based plasmids expressing rat preproinsulin controlled by glucose-dependent insulinotropic polypeptide promoters. In the present study, we attempted to correct hyperglycemia in vivo using genetically engineered K-cells in a mouse model of type 1 diabetes. METHODS: K-cells expressing insulin were transplanted under the kidney capsules of STZ-induced diabetic mice. The blood glucose levels and body weights of the experimental animals were measured daily. After four weeks, the mice were injected intra-peritoneally with 2 g/kg glucose following a 6 hr fast. Blood glucose levels were measured immediately following glucose injections. All animals were sacrificed at the end of the glucose tolerance study, and pancreas and graft-bearing kidney tissue samples were stained with antibodies against insulin, glucagon, and C-peptide. RESULTS: The body weights of K-cell-transplanted diabetic mice increased after transplantation, whereas those of untreated diabetic control mice continued to decline. The blood glucose levels of K-cell-transplanted diabetic mice decreased gradually during the two weeks following transplantation. After intra-peritoneal injection of glucose into K-cell-transplanted diabetic mice, blood glucose levels increased at 30 minutes, and were restored to the normal range between 60 and 90 minutes, while untreated control diabetic mice continued to experience hyperglycemia. Kidney capsules containing transplanted K-cells were removed, and sections were stained with anti-insulin antibodies. We detected insulin-positive cells in the kidney capsules of K-cell-transplanted diabetic mice, but not in untreated control mice. CONCLUSION: We detected glucose-dependent insulin secretion in genetically engineered K-cells in a mouse model of type 1 diabetes. Our results suggest that genetically modified insulin producing K-cells may act as surrogate beta-cells to effectively treat type 1 diabetes.
Transdifferentiation of Enteroendocrine K-cells into Insulin-expressing Cells.
Esder Lee, Jun Mo Yu, Min Kyung Lee, Gyeong Ryul Ryu, Seung Hyun Ko, Yu Bae Ahn, Sung Dae Moon, Ki Ho Song
Korean Diabetes J. 2009;33(6):475-484.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.475
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  • 1 Crossref
AbstractAbstract PDF
BACKGROUND
Despite a recent breakthough in human islet transplantation for treating type 1 diabetes mellitus, the limited availability of donor pancreases remains a major obstacle. Endocrine cells within the gut epithelium (enteroendocrine cells) and pancreatic beta cells share similar pathways of differentiation during embryonic development. In particular, K-cells that secrete glucose-dependent insulinotropic polypeptide (GIP) have been shown to express many of the key proteins found in beta cells. Therefore, we hypothesize that K-cells can be transdifferentiated into beta cells because both cells have remarkable similarities in their embryonic development and cellular phenotypes. METHODS: K-cells were purified from heterogeneous STC-1 cells originating from an endocrine tumor of a mouse intestine. In addition, a K-cell subclone expressing stable Nkx6.1, called "Kn4-cells," was successfully obtained. In vitro differentiation of K-cells or Kn4-cells into beta cells was completed after exendin-4 treatment and serum deprivation. The expressions of insulin mRNA and protein were examined by RT-PCR and immunocytochemistry. The interacellular insulin content was also measured. RESULTS: K-cells were found to express glucokinase and GIP as assessed by RT-PCR and Western blot analysis. RT-PCR showed that K-cells also expressed Pdx-1, NeuroD1/Beta2, and MafA, but not Nkx6.1. After exendin-4 treatment and serum deprivation, insulin mRNA and insulin or C-peptide were clearly detected in Kn4-cells. The intracellular insulin content was also increased significantly in these cells. CONCLUSION: K-cells are an attractive potential source of insulin-producing cells for treatment of type 1 diabetes mellitus. However, more experiments are necessary to optimize a strategy for converting K-cells into beta cells.

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  • Reprogramming of enteroendocrine K cells to pancreatic β-cells through the combined expression of Nkx6.1 and Neurogenin3, and reaggregation in suspension culture
    Esder Lee, Gyeong Ryul Ryu, Sung-Dae Moon, Seung-Hyun Ko, Yu-Bae Ahn, Ki-Ho Song
    Biochemical and Biophysical Research Communications.2014; 443(3): 1021.     CrossRef
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;[Epub]     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
Randomized Controlled Trial
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
  • 2,616 View
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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 Cutoff Value of HbA1c in Predicting Diabetes in Korean Adults in a University Hospital in Seoul.
Ji Cheol Bae, Eun Jung Rhee, Eun Suk Choi, Ji Hoon Kim, Won Jun Kim, Seung Hyun Yoo, Se Eun Park, Cheol Young Park, Won Young Lee, Ki Won Oh, Sung Woo Park, Sun Woo Kim
Korean Diabetes J. 2009;33(6):503-510.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.503
  • 2,991 View
  • 31 Download
  • 6 Crossref
AbstractAbstract PDF
BACKGROUND
Glycated hemoglobin (HbA1c) levels represent a 2~3 month average of blood glucose concentration. The use of HbA1c as a diagnostic tool for diabetes is gaining interest. Therefore, we determined the cutoff point of HbA1c for predicting abnormal glucose tolerance status in non-diabetic Korean subjects. METHODS: We analyzed the data from 1,482 subjects without diabetes mellitus in whom a 75-g oral glucose tolerance test (OGTT) was performed due to suspected abnormal glucose tolerance. We obtained an HbA1c cutoff point for predicting diabetes using Receiver Operating Characteristic (ROC) curve analysis. RESULTS: A cut-off point of 5.95% HbA1c yielded sensitivity of 60.8% and specificity of 85.6%, respectively, for predicting diabetes. There was a difference in HbA1c cut-off value between men and women, 5.85% and 6.05%, respectively. CONCLUSION: To use the cut-off point of 5.95% HbA1c for predicting undiagnosed diabetes in Koreans may be reliable. However, studies of different ethnic groups have reported disparate HbA1c cut-off points. Thus, ethnicity, age, gender, and population prevalence of diabetes are important factors to consider in using elevated HbA1c value as a tool to diagnose diabetes.

Citations

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  • The Cutoff Value of HbA1c in Predicting Diabetes and Impaired Fasting Glucose
    Seyoung Kwon, Youngak Na
    The Korean Journal of Clinical Laboratory Science.2017; 49(2): 114.     CrossRef
  • Role of HbA1c in the Screening of Diabetes Mellitus in a Korean Rural Community
    Jae Hyun Kim, Gun Woo Kim, Mi Young Lee, Jang Yel Shin, Young Goo Shin, Sang Baek Koh, Choon Hee Chung
    Diabetes & Metabolism Journal.2012; 36(1): 37.     CrossRef
  • Impact of HbA1c Criterion on the Detection of Subjects with Increased Risk for Diabetes among Health Check-Up Recipients in Korea
    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
  • 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
  • 2011 Clinical Practice Guidelines for Type 2 Diabetes in Korea
    Seung-Hyun Ko, 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, Hye Jin Kim, In-Kyung Jeong, Eun-Gyoung Hong, Jae-Hyoung Cho, Ji-Oh Mok, Kun-Ho Yoon, Sung-Rea Kim
    Journal of Korean Diabetes.2011; 12(4): 183.     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 J. 2009;33(6):511-517.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.511
  • 2,249 View
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  • 4 Crossref
AbstractAbstract PDF
BACKGROUND
Combination fitness regimens (including aerobic and resistance exercises) are effective for improving cardio-respiratory fitness, reducing visceral fat and increasing insulin sensitivity in diabetic patients. The combination exercise intensity that a patient is capable of is limited by his or her aerobic capacity and one repetition maximum (1RM). We investigated the relationships between 1RM, aerobic exercise capacity and body mass index in patients with type 2 diabetes. METHODS: A total of 177 (men: 85, women: 92) diabetic subjects with HbA1c < or = 10% were enrolled. Muscle strength and 1RM were assessed bychest press (upper body) and leg press (lower body). We assessed aerobic capacity by VO2max and muscle mass by bioimpedance analysis. RESULTS: There was no correlation between 1RM and VO2max in type 2 diabetic patients (upper: P = 0.122, lower: P = 0.138 for men, and upper: P = 0.952, lower: P = 0.570 for women). However, 1RM was significantly correlated with muscle mass both in men and women (upper: r = 0.493, P < 0.001, r = 0.315, P = 0.002 lower: r = 0.437 P < 0.001, r = 0.307, P =0.003, respectively). There was also a significant correlation between 1RM and BMI. In obese male subjects with BMI > or = 25 kg/m2, we observed a significant correlation between muscle mass and BMI (r = 0.374, P = 0.032), but this correlation was not observed in women. CONCLUSION: Clinicians treating Korean type 2 diabetic subjects should recommend resistance exercise to their patients. In particular, obese women with diabetes may receive greater benefits by increasing muscle mass through resistance exercises.

Citations

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  • Evaluation of Muscle Strength and Endurance in Postmenopausal Women: A Cross-sectional Study
    Arati V Mahishale, Manali P Kulkarni
    Journal of South Asian Federation of Obstetrics and Gynaecology.2021; 13(3): 163.     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 Aerobic/Resistance Exercise on Body Fat Mass, Muscle Strength and Endothelial Function in Korean Type 2 Diabetes mellitus Patients
    Kyung Wan Min
    Journal of Korean Diabetes.2011; 12(1): 6.     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
Effect of Diabetes Education Program on Glycemic Control and Self Management for Patients with Type 2 Diabetes Mellitus.
Ji Hyun Kim, Sang Ah Chang
Korean Diabetes J. 2009;33(6):518-525.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.518
  • 2,975 View
  • 112 Download
  • 23 Crossref
AbstractAbstract PDF
BACKGROUND
Diabetes mellitus is a chronic disease requiring continuous treatment and vigorous self-management. Reinforcement of effective self management and diabetes education are important factors in successful treatment. The aim of this study was to evaluate the effectiveness of the current diabetes education program on blood glucose control, self-management, and self-efficacy of patients with type 2 diabetes mellitus. METHODS: A total of 592 patients with newly diagnosed or uncontrolled type 2 diabetes mellitus were recruited to the diabetes education program from January to December 2007. We surveyed 338 patients from April to July 2008. A total of 117 patients had biochemical examinations and completed a questionnaire about knowledge, self-management and self-efficacy of diabetes treatment (no education group (n = 23), education group (n = 94)). RESULTS: The total scores from the questionnaires and the results of laboratory data showed no differences between the two groups. However, there were significant reductions in hemoglobin A1c level in the education group, as compared with the no education group (P = 0.039). Although the score for knowledge about diabetes mellitus was significantly higher in the education group (P = 0.005), greater knowledge was not reflected in the self-management or self-efficacy of the patients. CONCLUSION: The current diabetes education program had no effect on the self-management or self-efficacy of patients with diabetes, although did show some degree of association with blood glucose control and diabetes knowledge level. We conclude that a more effective diabetes education program needs to be developed and applied to daily practice for the improvement ofself-efficacy in patients with diabetes mellitus.

Citations

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  • Factors Influencing the Dietary Behavior of Patients with Type 2 Diabetes Mellitus: A Cross-sectional Study
    Sohyun Jin, Youngshin Song
    Journal of Korean Academy of Fundamentals of Nursing.2024; 31(1): 80.     CrossRef
  • The Association between Diabetes Education and Glucose Control in Diabetic Patients: Using the 2008 and 2013 Korea National Health and Nutrition Examination Survey
    Ga Hyun Kim, Yoonhyung Park, Hee-Sook Lim
    Clinical Nutrition Research.2020; 9(2): 81.     CrossRef
  • Educational Needs Associated with the Level of Complication and Comparative Risk Perceptions in People with Type 2 Diabetes
    Youngji Hwang, Dongsuk Lee, Yeon Sook Kim
    Osong Public Health and Research Perspectives.2020; 11(4): 170.     CrossRef
  • Factors Affecting the Self-Management of Adolescents with Type 1 Diabetes Mellitus based on the Information-Motivation-Behavioral Skills Model
    Hooyun Lee, Eun Kyoung Choi, Heejung Kim, Ho-Seon Kim, Hee-Soon Kim
    Child Health Nursing Research.2019; 25(2): 234.     CrossRef
  • Experiences of Patients With a Diabetes Self-Care App Developed Based on the Information-Motivation-Behavioral Skills Model: Before-and-After Study
    Eunjoo Jeon, Hyeoun-Ae Park
    JMIR Diabetes.2019; 4(2): e11590.     CrossRef
  • The Role of Medical Social Worker Engaging in Diabetes Management
    Ga-Young Choi
    The Journal of Korean Diabetes.2019; 20(4): 251.     CrossRef
  • Effects of an Intensive Management Program for Diabetic Patients on a Blood Biochemical Profile and Diabetes Knowledge
    Su-Jeong Yeo, Bok-Hee Kim
    Korean Journal of Community Nutrition.2018; 23(2): 148.     CrossRef
  • Needs for Development of IT-based Nutritional Management Program for Women with Gestational Diabetes Mellitus
    Chan-Jung Han, Sun-Young Lim, Eunsuk Oh, Yoon-Hee Choi, Kun-Ho Yoon, Jin-Hee Lee
    Korean Journal of Community Nutrition.2017; 22(3): 207.     CrossRef
  • Understanding and Approaching Low Motivation in Young Adults with Diabetes Mellitus
    Yu Jeong Park
    The Journal of Korean Diabetes.2017; 18(2): 121.     CrossRef
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    Hun-Sung Kim, Hyunah Kim, Hae-Kyung Yang, Eun Young Lee, Yoo Jin Jeong, Tong Min Kim, So Jung Yang, Seo Yeon Baik, Seung-Hwan Lee, Jae Hyoung Cho, In Young Choi, Hyeon Woo Yim, Bong-Yun Cha
    Diabetes & Metabolism Journal.2017; 41(3): 187.     CrossRef
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    Nan Hui Kim, Youngran Yang, Myung Ha Lee
    Journal of Korean Academy of Community Health Nursing.2016; 27(4): 370.     CrossRef
  • The Current Strategic Direction of Diabetes Education: American Association of Diabetes Educators Yearly Strategic Plan 2016~2018
    Yu Jeong Park
    The Journal of Korean Diabetes.2016; 17(3): 196.     CrossRef
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    Eun Chong Shin
    The Journal of Korean Diabetes.2016; 17(3): 185.     CrossRef
  • Self-Care and Related Factors in Young and Middle Adulthood Patients with Type 2 Diabetes
    Kyung Mee Jung, Sook Ja Lee, Eun Sook Park, Young Joo Park, Sin Gon Kim, Dong Seop Choi
    The Journal of Korean Diabetes.2015; 16(1): 65.     CrossRef
  • Psychometric Properties of the Diabetes Management Self-Efficacy Scale in Korean Patients with Type 2 Diabetes
    Eun-Hyun Lee, Jaap van der Bijl, Lillie M. Shortridge-Baggett, Seung Jin Han, Seung Hei Moon
    International Journal of Endocrinology.2015; 2015: 1.     CrossRef
  • Diabetes Education Compliance and Knowledge among Diabetes Patients: Analysis of Patients Who Refuse Diabetes Education at an Academic Medical Center
    Kang Hee Sim, Bo Ram Wang, Jin-Won Noh, Moon Kyu Lee, Young Dae Kwon
    The Journal of Korean Diabetes.2014; 15(1): 51.     CrossRef
  • Effects of Individual and Group Education Programs on Coping and Self-care Behaviors in Cancer Patients
    Young Mi Kim, Won Ock Kim, Sang Sook Han
    Journal of East-West Nursing Research.2014; 20(1): 1.     CrossRef
  • Role of Diabetes Educators and Effectiveness of Diabetes Education
    HeeSook Kim
    The Journal of Korean Diabetes.2013; 14(4): 194.     CrossRef
  • Development of a Comprehensive Self-Management Program Promoting Self Efficacy for Type 2 Diabetic Patients
    Ju-Young Park, Il-Sun Ko
    Journal of Korean Academy of Fundamentals of Nursing.2012; 19(1): 74.     CrossRef
  • Effect on Glycemic, Blood Pressure, and Lipid Control according to Education Types
    Mi-Ju Choi, Seung-Hyun Yoo, Kum-Rae Kim, Yoo-Mi Bae, Sun-Hee Ahn, Seong-Shin Kim, Seong-Ah Min, Jin-Sun Choi, Seung-Eun Lee, Yeo-Jin Moon, Eun Jung Rhee, Cheol-Young Park, Won Young Lee, Ki Won Oh, Sung Woo Park, Sun Woo Kim
    Diabetes & Metabolism Journal.2011; 35(6): 580.     CrossRef
  • Effects of Nutrition Education in Type 2 Diabetes Mellitus on Diabetes Control and Blood Antioxidant Status
    Kyung-Nam Shin, Hye-Sang Lee, Chong-Suk Kwon
    Journal of the Korean Society of Food Science and Nutrition.2011; 40(5): 689.     CrossRef
  • Study on Survey of Knowledge and Awareness Level of Diabetic Retinopathy in Type 2 Diabetes Patients: Results from Seoul Metro-City Diabetes Prevention Program Survey
    Dae Woong Lee, Chul Young Park, Su Jeong Song
    Journal of the Korean Ophthalmological Society.2011; 52(11): 1296.     CrossRef
  • A Study on the Performance and Utilization of Results of Self-monitoring of Blood Glucose in Type Ⅱ Diabetes
    Jung-Mi Ha, Dong-Hee Kim
    The Journal of Korean Academic Society of Nursing Education.2010; 16(2): 330.     CrossRef
Randomized Controlled Trial
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
  • 2,509 View
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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.

Citations

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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
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Original Article
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 J. 2009;33(6):537-546.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.537
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AbstractAbstract PDF
BACKGROUND
This study was performed to examine the status of diabetes mellitus (DM) in the community and effects of related factors on heart rate variability (HRV). METHODS: The author conducted HRV testing, a questionnaire survey, and blood chemistry analysis for fasting blood sugar (FBS) and HbA1c levels in 855 patients in a community over a period of 10 days, from August 14 to 25, 2006. The subjects were divided into a DM group and normal group by our study criteria. RESULTS: The proportion of DM was 12.6% and increased with old age. The mean measures of HRV (SDNN, Tp, Vlf, Lf, Hf, Lf/Hf) in the DM group were 22.7 (1.6) msec, 364.9 (2.7) msec2, 174.1 (3.0) msec2, 88.1 (3.2) msec2, 55.3 (3.2) msec2, and 1.6 (2.6), respectively, while those in the normal group were 32.2 (1.6) msec, 676.6 (2.8) msec2, 295.7 (3.1) msec2, 169.2 (3.4) msec2, 117.2 (3.2) msec2, and 1.4 (2.6), respectively. All parameters except for Lf/Hf were significantly lower in the DM group than in the normal group (P < 0.01). The Spearman's correlation coefficients between HRV and FBS or HbA1c were SDNN -0.222/-0.244 (P < 0.01), Tp -0.211/-0.212 (P < 0.01), Vlf -0.149/-0.132 (P < 0.01), Lf -0.188/-0.235 (P < 0.01), Hf -0.207/-0.204 (P < 0.01), and Lf/Hf (P > 0.05), respectively. CONCLUSION: This study shows that the DM group had a reduced HRV and increased pulse rate in comparison with the normal group. According to our results, the HRV test may be used accessorily for the early detection of cardiovascular autonomic neuropathy (CAN) and its related factors, as well as to prevent CAN.

Citations

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Letter
Letter: Effects of Aerobic Exercise Intensity on Insulin Resistance in Patients with Type 2 Diabetes Mellitus (Korean Diabetes J 33(5):401-411, 2009).
Dong Lim Kim
Korean Diabetes J. 2009;33(6):547-548.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.547
  • 2,109 View
  • 20 Download
AbstractAbstract PDF
No abstract available.
Comment
Response: Effects of Aerobic Exercise Intensity on Insulin Resistance in Patients with Type 2 Diabetes Mellitus (Korean Diabetes J 33:(5)401-411, 2009).
Yun Hyi Ku, Bo Kyung Koo, Kyung Wan Min
Korean Diabetes J. 2009;33(6):549-550.   Published online December 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.6.549
  • 1,978 View
  • 21 Download
AbstractAbstract PDF
No abstract available.

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