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Uncoupling Protein 2 and Peroxisome Proliferator-Activated Receptor ? Gene Polymorphisms in Association with Diabetes Susceptibility in Chinese Han Population with Variant Glucose Tolerance.


ABSTRACT: Objective:To investigate the association of polymorphisms in uncoupling protein 2 (UCP2) and peroxisome proliferator-activated receptor (PPAR?) with glucolipid metabolism in Chinese Han population. Methods:Five hundred eighty-nine subjects were divided into normal glucose tolerance (NGT) group (n = 198) and abnormal glucose tolerance group (n = 358). HbA1c, blood lipid profile, plasma glucose, and insulin were determined. Insulin sensitivity (HOMA-IR and Matsuda index (ISIM)) and insulin secretion indexes (HOMA-?, early and total phase disposition index) were evaluated. Eight potential functional SNPs in UCP2 and 7 in PPAR? were selected. SNPs were genotyped on Sequenom MassARRAY platform. Results:The GG genotype of rs2920502 in PPAR? was associated with decreased risk of impaired glucose tolerance (G allele: OR: 0.818, 95%CI: 0.526-0.969, P = 0.042; GG: OR: 0.715, 95%CI: 0.527-0.97, P = 0.031). The TT genotype of rs3856806 in PPAR? was associated with increased risk of impaired glucose tolerance (T allele: OR: 1.46, 95%CI: 1.055-2.017, P = 0.022; TT: OR: 1.58, 95%CI: 1.104-2.761, P = 0.032). The GG genotype of rs2920502 in PPAR? had better blood glucose and increased insulin secretion and had lower HOMA-IR than GC/CC genotypes. Conclusion:It probably could prevent insulin resistance in early stage by classifying the genotype of rs649446 and rs7109266 in UCP2. The GG genotype of rs2920502 in PPAR? had a decreased risk for diabetes. The TT genotype of rs3856806 in PPAR? had an increased risk for diabetes.

SUBMITTER: Zhou M 

PROVIDER: S-EPMC5907424 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Uncoupling Protein 2 and Peroxisome Proliferator-Activated Receptor <i>γ</i> Gene Polymorphisms in Association with Diabetes Susceptibility in Chinese Han Population with Variant Glucose Tolerance.

Zhou Meicen M   He Shuli S   Ping Fan F   Li Wei W   Zhu Lixin L   Cui Xiangli X   Feng Linbo L   Zhao Xuefeng X   Zhang Huabing H   Li Yuxiu Y   Sun Qi Q  

International journal of endocrinology 20180405


<h4>Objective</h4>To investigate the association of polymorphisms in uncoupling protein 2 (UCP2) and peroxisome proliferator-activated receptor (PPAR<i>γ</i>) with glucolipid metabolism in Chinese Han population.<h4>Methods</h4>Five hundred eighty-nine subjects were divided into normal glucose tolerance (NGT) group (<i>n</i> = 198) and abnormal glucose tolerance group (<i>n</i> = 358). HbA1c, blood lipid profile, plasma glucose, and insulin were determined. Insulin sensitivity (HOMA-IR and Matsu  ...[more]

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