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KMID : 0603820080140040239
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Journal of Experimental & Biomedical Science
2008 Volume.14 No. 4 p.239 ~ p.242
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Association of UCP2 Polymorphisms with Type 2 Diabetes in Korean Subjects
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Kim Su-Won
Yoo Min
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Abstract
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Obesity results from a combination of genetic, environmental, and behavioral factors. Uncoupling proteins (UCP) are members of the larger family of mitochondrial anion carrier proteins (MACP). UCP separates oxidative phosphorylation from ATP synthesis with energy dissipated as heat, also referred to as the mitochondrial proton leak. UCP facilitates the transfer of anions from the inner to the outer mitochondrial membrane and the return transfer of protons from the outer to the inner mitochondrial membrane. Therefore, we investigated the genotype for the G＞A polymorphism at the position -866 of UCP2 gene in Koreans and compared genotype of patients with control group. 50 patients (Male 22, Female 28), who previously underwent type 2 diabetes (T2DM) and 30 controls (Male 14, Female 16) participated in this study. There was a weak significant association between -866 G＞A polymorphism in UCP2 gene and T2DM. The present study shows that UCP2 -866 G＞A polymorphism may not be associated with the pathogenesis of T2DM as opposed to the previous reports in other countries. Further studies with larger population may be needed for the development of diagnostic methods at genetic level such as DNA chip.
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KEYWORD
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UCP2 gene, Polymorphism, Type 2 Diabetes, Obesity, Korean genome
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