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Soon Hyun Shinn  (Shinn SH) 8 Articles
Association of Adiponectin and Hepatic Steatosis in Adults with Normal Transaminase Levels.
Jeong Hyun Mun, Seung Eun Lee, Ji Hyun Ahn, Soon Hyun Shinn
Korean Diabetes J. 2008;32(2):149-156.   Published online April 1, 2008
DOI: https://doi.org/10.4093/kdj.2008.32.2.149
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AbstractAbstract PDF
BACKGROUND
Nonalcoholic fatty liver disease (NAFLD) is associated with metabolic syndrome including insulin resistance, hypertension, dyslipidemia, central obesity, type 2 diabetes, and cardiovascular disease. In NAFLD, insulin resistance plays an important role in the progression of liver damage. In this study, we evaluated insulin resistance, plasma adiponectin, hepatic steatosis, and their association in adults with normal liver transaminase concentrations. METHODS: We analyzed 111 subjects, aged over 20 years old, who visited the Health Management Center at Chung-Ang University Hospital between May 2006 and August 2006. They had neither history nor clinical evidence of diabetes, cardiovascular or liver disease. They were divided into three groups by the degree of hepatic steatosis based on ultrasound findings. Anthropometric parameters were measured and blood samples were drawn after eight hours of fasting. RESULTS: Hepatic steatosis had a positive correlation with body mass index, waist circumference, blood pressure, triglycerides, HOMA-IR, and QUICKI. Moreover, it had a negative correlation with high-density lipoprotein cholesterol and adiponectin. Triglycerides, Adiponectin, and QUICKI were independent variables in predicting the degree of hepatic steatosis. CONCLUSION: This finding suggests that triglycerides and plasma adiponectin are independent predictors of hepatic steatosis in adults with normal liver transaminase concentrations.

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  • Analysis of Biochemical Markers Related to Fatty Liver Patients
    Jae-Hwan Cho, Jang-Sun Namgung, Jin Lee, Deog-Hwan Moon, Hae-Kag Lee
    Journal of Physical Therapy Science.2014; 26(12): 1865.     CrossRef
A Case of Diabetic Ketoacidosis in a GAD Antibody-positive Diabetes Patients who Recently Experienced Hyperglycemic Hyperosmolar State.
Jang Won Son, Seok Hong Lee, Jung Ahn Lee, Jaetaek Kim, Yeon Sahng Oh, Soon Hyun Shinn
Korean Diabetes J. 2005;29(3):267-270.   Published online May 1, 2005
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AbstractAbstract PDF
The term latent autoimmune diabetes in adults(LADA) was introduced to define adult diabetic patients who initially do not require insulin, but they have the immune markers of type 1 diabetes and in a number of cases, these patients progress to insulin dependency. LADA patients have several features of classic type 1 diabetes in addition to islet cell antibody positivity, including high rates of HLA-DR3 and DR4. We describe here a case of a patient with a diagnosis of LADA who, having been diagnosed with type 2 diabetes, was affected with diabetic ketoacidosis. In April 2000, a 65-year-old man was admitted to Chung-Ang University Hospital due to his decreased cognitive ability. The patient was diagnosed with type 2 diabetes 30-years ago and he was diagnosed 6-month ago as being in a hyperglycemic hyperosmolar state. He was positive for antibodies against GAD(anti-GAD, 31U/mL). His weight was 70kg, height 167cm, BMI 25 kg/m2 and the blood pressure was 86/52mmHg. No abnormalities on the physical examination were found. His acid-base balance was pH 6.937, serum bicarbonate 2.2mmol/L and the anion gap 38; he also had a strong positive reaction for ketones in his urine and serum. During half a year, the fasting C-peptide level decreased from 0.65nmol/L to 0.13nmol/L, which means the rapid progression of beta-cell destruction. Intensive treatment of LADA with insulin may improve this type of patients' quality of life, and so potentially save the beta-cell function and perhaps lessening the risk of a hyperglycemic crisis
Study on the Methylglyoxal-induced Apoptosis in Bovine Retinal Pericytes.
Jaetaek Kim, Seok Hong Lee, Jang Won Son, Jeong An Lee, Yeon Sahng Oh, Soon Hyun Shinn
Korean Diabetes J. 2004;28(3):199-207.   Published online June 1, 2004
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AbstractAbstract PDF
BACKGROUND
One of the histopathological hallmarks of early diabetic retinopathy is the loss of pericytes. Evidences suggest that this pericyte loss in vivo is mediated by apoptosis. However, the underlying cause of pericyte apoptosis is not fully understood. This study investigated the influence of methylglyoxal(MGO), a reactive alpha-dicarbonyl compound of glucose metabolism, on the apoptotic cell death in retinal pericytes. METHODS: Primary cultures of retinal pericytes were prepared from isolated bovine retinal microvessels. The cells were incubated under normoglycemic conditions after treatment with 200-800muM methylglyoxal for 6 hours. The cell viability was assessed using the MTT assay. The apoptosis and intracellular reactive oxygen species(ROS) generation were measured using an ELISA kit and flow cytometry, respectively. The NF-kappaB activation was detected by immunocytochemistry. RESULTS: MGO produced a progressive cytotoxic effect on the retinal pericytes. An analysis of the internucleosomal DNA fragmentation by ELISA showed that MGO(200 to 800muM) induced apoptosis in a concentration-dependent manner. ROS were generated earlier and the antioxidant, N-acetyl cysteine, inhibited the MGO-induced apoptosis. The NF-kappaB activation and increased caspase-3 activity were detected. The apoptosis was also inhibited by the caspase-3 inhibitor, Z-DEVD-fmk, or the NF-kappaB inhibitor, pyrrolidine dithiocarbamate. CONCLUSION: These results suggest that the elevated MGO levels observed in diabetes may cause apoptosis in the retinal pericytes through an oxidative stress mechanism, and suggests that the nuclear activation of NF-kappaB is involved in the apoptotic process.
Role of Osmotic Stress in the Development of Chronic Diabetic Complications.
Jaetaek Kim, Yeon Sahng Oh, Soon Hyun Shinn
Korean Diabetes J. 2004;28(3):160-163.   Published online June 1, 2004
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AbstractAbstract PDF
No abstract available.
Relationship between Serum Homocysteine Levels and Vascular Complications in Type 2 Diabetic Patients.
Seung Jin Choi, Jae Taek Kim, Yeon Sahng Oh, Soon Hyun Shinn
Korean Diabetes J. 2002;26(2):112-125.   Published online April 1, 2002
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AbstractAbstract PDF
BACKGROUND
Chronic complications in type 2 diabetic patients have microvascular and macrovascular components. Previous studies have shown that incidence of macrovascular complications correlates with the serum homocysteine levels, but the relationship is unclear. In addition, the connection between the microvascular complications and the serum homocysteine levels is still obscure and controversial. In this study, the relationship between the serum homocysteine levels and microvascular and macrovascular complications were evaluated in type 2 diabetic patients. METHODS: In 58 type 2 diabetic patients, the serum homocysteine levels, folic acid levels, Vit B12 levels, PAI-1 levels, the standard risk factors for macrovascular complications, the fasting serum glucose levels, the HbA1C levels, and the fasting insulin and C-peptide concentrations, the renal function tests, and the carotid intima-media thickness were measured and the relationship between them and the serum homocysteine level was analyzed according to the presence and absence of macrovascular and microvascular complications. RESULTS: 1) In type 2 diabetic patients, the mean serum homocysteine level was 9.9+/-.2 mol/L. The serum homocysteine level showed no relationship with the clinical and biochemical variables including the risk factors for atherosclerosis except the serum creatinine and creatinine clearance. 2) The maximum, minimum, and mean of the intima- media thickness of right carotid artery were 4.00+/-.20, 0.50+/-.04, 1.04+/-.62 mm, of left carotid artery were 3.54+/-.00, 0.31+/-.02, 1.03+/-.55 mm, and means were 3.77+/-.10, 0.44+/-.03, 1.03+/-.54 mm, and correlated with the serum homocysteine leve l (p=0.03), but only the serum LDL cholesterol level independently correlated with the intima-media thickness (p=0.04). 3) The serum homocysteine level (p=0.01) and intima-media thickness (p<0.01) was significantly higher in type 2 diabetic patients with macrovascular complications than without it. 4) The serum homocysteine level did not correlate with the incidence microvascular complications, but the intima-media thickness did correlate with diabetic nephropathy (p=0.03). CONCLUSIONS: The serum homocysteine level did not correlated with the incidence of diabetic microvascular complications. However, there was a small correlation with the risk factors of macrovascular complications. The intima- media thickness correlated with the incidence of macrovascular complications, and the relationship with diabetic nephropathy requires further study.
Plasma Proinsulin Secretion in Impaired Glucose Tolerance and Newly Diagnosed Type 2 Diabetes Mellitus.
Byoung Ho Kong, Seung Jin Choi, Jae Tack Kim, Yeon Shang Oh, Soon Hyun Shinn
Korean Diabetes J. 2000;24(4):467-475.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
Type 2 diabetes mellitus is characterized beta cell dysfunction and insulin resistance but the relative roles of the two factors are different in various ethnic groups. The changes in plasma proinsulin levels is thought to be a marker for the beta-cell dysfunction. To study the role of beta cell dysfunction in the pathogenesis of type 2 diabetes mellitus we compared the concentrations of plasma insulin, C-peptide and proinsulin among the control group, impaired glucose tolerance (IGT) group and newly diagnosed Type 2 Diabetes Mellitus (DM) group during the oral glucose tolerance test. METHODS: In 47 newly diagnosed patients with type 2 DM, 9 IGT and 13 controls the 75g oral glucose tolerance test (OGTT) were performed and samples were analyzed for glucose, insulin, C-peptide and proinsulin. RESULTS: 1) In IGT group plasma insulin, C-peptide and proinsulin concentrations were increased markedly during OGTT but were blunted in type 2 diabetes group. 2) The basal plasma proinsulin level was 7.7+/-4.4 pmol/L in control group, 15.2+/-6.9 pmol/L (p<0.005) in IGT group, and 16.9+/-8.3 pmol/L (p<0.005) in type 2 DM group, and the proinsulin levels at 60 min, 90 min, 120 min during OGTT were significantly elevated in IGT group than those of control group. 3) The plasma proinsulin/insulin ratio were significantly increased in IGT group and type 2 DM group at basal and 30 min during OGTT. 4) The proinsulin response areas were significantly increased in IGT group (110.7+/- 13.1 pmol/L/hr, p=0.048) than those of control group (73.6+/-5.1 pmo l/L/hr) and type 2 DM group (80.5+/-5.9 pmol/L/hr). CONCLUSION: Beta cell secretory defects such as proinsulin secretion were present in impaired glucose tolerance and the changes of insulin secretory function might have a role in the pathogenesis of type 2 DM.
A case of artificial pseudohypoglycemia in patient with chronic neutrophlic leukemia.
Hyun Kyung Chung, Hyun Dae Kim, Yong Seong Kim, Yeon Sahng Oh, Soon Hyun Shinn
Korean Diabetes J. 1993;17(3):321-324.   Published online January 1, 2001
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  • 17 Download
AbstractAbstract PDF
No abstract available.
A study of the zinc, copper and chromium content in serum and 24-hrurine of normal subjects and non-insulin dependent diabetes.
Je Hyun Park, Sook Ryang Ro, Yeun Sang Oh, Soon Hyun Shinn
Korean Diabetes J. 1991;15(1):109-120.   Published online January 1, 2001
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  • 17 Download
AbstractAbstract PDF
No abstract available.

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