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Original Article Genetic Association of Adiponectin Polymorphisms with Risk of Type 2 Diabetes Mellitus.
Yun Yong Lee, Nam Seok Lee, Young Min Cho, Min Kyong Moon, Hye Seung Jung, Young Joo Park, Hong Je Park, Byoung Soo Youn, Hong Kyu Lee, Kyong Soo Park, Hyoung Doo Shin
Diabetes & Metabolism Journal 2003;27(6):438-448
Published online: December 1, 2003
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1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
2Genome Research Center for Diabetes and Endocrine Disease, Clinical Research Institute, Seoul National University Hospital, Seoul, Korea.
3KOMED Institute for Life Science, Graduate School of Biotechnology, Korea University, Seoul, Korea.
4Department of Genetic Epidemiology, SNP Genetics, Inc. Seoul, Korea.

Adiponectin, an adipocyte-secreted protein, is known to modulate insulin sensitivity, glucose homeostasis and the development of atherosclerosis. Recently, several single nucleotide polymorphisms (SNPs) in the adiponectin gene have been reported to be associated with type 2 diabetes and components of the insulin resistance syndrome. METHODS: The frequencies of SNP T45G and G276T of the adiponectin gene was examined in 493 unrelated type 2 diabetic and 136 non-diabetic control Korean subjects. The clinical characteristics and plasma adiponectin levels of the subjects were compared within these genotypes. RESULTS: The T allele at SNP45 was significantly more frequent in the type 2 diabetes than in the control subjects (71.6 vs. 64.3%, p=0.013). The subjects with the G/G genotype of SNP45 were at reduced risk for type 2 diabetes (OR: 0.495, 95% CI 0.246-0.995, p=0.048) compared with those having the T/T genotype. However, there were no statistically significant differences in allele the frequencies (G frequency in the control vs. the diabetic group 73.9 vs. 68.9%, p=0.106) and genotype frequencies at SNP276 between groups. The subjects with the T/T genotype at SNP45 had higher a body mass index (24.6+/- 3.1 vs. 24.1+/-2.8 kg/m2, p=0.036) and serum triglyceride levels (2.03+/-1.31 vs. 1.87+/-1.38 mmol/1, p=0.041) than the T/G+G/G genotypes in the diabetic group. Those with the T/T genotype also had lower plasma adiponectin levels than those without T/T genotype at SNP45 in the control group (6.11+/-3.10 vs. 8.24+/-4.24 g/mL, p=0.043). There was a similar trend in diabetic group, but this did not reach statistical significance (4.32+/-2.81 vs. 4.96+/-3.26 g/mL, p=0.097). The SNP276 had no association with the clinical features of insulin resistance or plasma adiponectin level. CONCLUSION: The T/T genotype of SNP45 in the adiponectin gene was associated with a low adiponectin level, high body mass index, the serum triglyceride level and risk of type 2 diabetes mellitus. The SNP276 in the adiponectin gene may not be an important determinant of insulin resistance or type 2 diabetes in Korean subjects.

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    • Citation for the content below
    Genetic Association of Adiponectin Polymorphisms with Risk of Type 2 Diabetes Mellitus.
    Korean Diabetes J. 2003;27(6):438-448.   Published online December 1, 2003
Related articles
Lee YY, Lee NS, Cho YM, Moon MK, Jung HS, Park YJ, Park HJ, Youn BS, Lee HK, Park KS, Shin HD. Genetic Association of Adiponectin Polymorphisms with Risk of Type 2 Diabetes Mellitus.. Diabetes Metab J. 2003;27(6):438-448.

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