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Association of the rs11196218 polymorphism in TCF7L2 with type 2 diabetes mellitus in Asian population.


ABSTRACT: OBJECTIVE:To clarify the association of rs11196218 polymorphism in transcription factor 7-like 2 (TCF7L2) and type 2 diabetes mellitus (T2DM) in Asian population by a case-control study and meta-analysis. METHODS:In the case-control study, 1842 patients with T2DM and 7777 normal glucose-tolerant controls in the Henan province of China were genotyped for rs11196218 in TCF7L2 by PCR-ligase detection reaction. We used allele, co-dominant, dominant and recessive models to evaluate the risk association and performed a meta-analysis of the results of different genetic models in previous studies and the current study. RESULTS:The AG genotype of rs11196218 was associated with risk of T2DM in the Henan population (odds ratio 1.37, 95% confidence interval 1.06-1.78), and dominant model showed marginal significant association (1.28, 0.99-1.67). Meta-analysis of 10 studies revealed the dominant model associated with T2DM in the overall population (1.20, 1.05-1.36). When stratified by region (southern and northern China and Japan), both the AG genotype and the dominant model were associated with risk of T2DM in southern Chinese (1.31, 1.03-1.66; 1.27, 1.01-1.60, respectively). CONCLUSION:The rs11196218 polymorphism in TCF7L2 is associated with risk of T2DM in Asian population.

SUBMITTER: Zhai Y 

PROVIDER: S-EPMC4287822 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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<h4>Objective</h4>To clarify the association of rs11196218 polymorphism in transcription factor 7-like 2 (TCF7L2) and type 2 diabetes mellitus (T2DM) in Asian population by a case-control study and meta-analysis.<h4>Methods</h4>In the case-control study, 1842 patients with T2DM and 7777 normal glucose-tolerant controls in the Henan province of China were genotyped for rs11196218 in TCF7L2 by PCR-ligase detection reaction. We used allele, co-dominant, dominant and recessive models to evaluate the  ...[more]

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