Association of rs7903146 (IVS3C/T) and rs290487 (IVS3C/T) polymorphisms in TCF7L2 with type 2 diabetes in 9,619 Han Chinese population.

Association of rs7903146 (IVS3C/T) and rs290487 (IVS3C/T) polymorphisms in TCF7L2 with type 2 diabetes in 9,619 Han Chinese population.
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TCF7L2 rs7903146 (IVS3C/T) 和 rs290487 (IVS3C/T) 多态性与 9,619 名中国汉族人群中 2 型糖尿病的关联。

DOI:
10.1371/journal.pone.0059053
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Hu D
Hu D
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Wang J;Li L;Zhang J;Xie J;Luo X;Yu D;Zhao J;Feng T;Pang C;Yin L;Hu F;Zhang J;Wang Y;Wang Q;Zhai Y;You H;Zhu T;Hu D

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我们的目的是复制转录因子7-样2(TCF7L2)的rs290487(IVS3C/T)和rs7903146(IVS3C/T)多态与河南汉族中国人中国2型糖尿病(T2 DM)的关联。总共有1,842名T2 DM患者和7,777名正常糖耐量对照组接受了T2 DM相关变异rs7903146(IVS3C/T)和rs290487(IVS3C/T)的基因分型。W结合已有研究和本研究,对中国汉族人TCF7L2和T2 DM的危险等位基因rs7903146(IVS3C/T)和rs290487(IVS3C/T)的关联性进行了Meta分析。在中国汉族人群中,T2 DM与CC基因型(1.364,1.137-1.636,p = 0.001)、rs290487的隐性模式(1.457,1.156-1.838,p = 0.001)和单倍型CC(1.116,1.034-1.204,p = 0.001)相关。此外,我们的Meta分析支持中国汉族人rs7903146(1.36,1.24-1.48;p = 6.404×10−12)的T等位基因(IVS3C/T)与T2 DM的关联,而不支持rs290487(IVS3C/T)的C等位基因(0.99,0.85-1.15,p = 0.890)。我们没有发现行为危险因素(吸烟、饮酒和体育锻炼)与rs7903146(IVS3C/T)和rs290487(IVS3C/T)多态之间的交互作用。中国,TCF7L2基因突变rs290487(IVS3C/T)和CC单倍型rs7903146(IVS3C/T)和rs290487(IVS3C/T)的CC基因型和隐性模式可能与河南汉族中国人患者T2 DM相关。
We aimed to replicate the association of the rs290487 (IVS3C/T) and rs7903146 (IVS3C/T) polymorphisms of transcription factor 7-like 2 (TCF7L2) and type 2 diabetes mellitus (T2DM) in Han Chinese people in Henan province, China. In all, 1,842 patients with T2DM and 7,777 normal glucose-tolerant controls underwent genotyping for the T2DM-associated variants rs7903146 (IVS3C/T) and rs290487 (IVS3C/T). W performed a meta-analysis of the association of the risk alleles of rs7903146 (IVS3C/T) and rs290487 (IVS3C/T) in TCF7L2 and T2DM in Han Chinese by combining previous studies with the present study. We found that T2DM was associated with the CC genotype (1.364, 1.137–1.636, p  = 0.001), the recessive model (1.457, 1.156–1.838, p  = 0.001) of rs290487 (IVS3C/T) and haplotype CC (1.116, 1.034–1.204, p  = 0.004) in Han Chinese. Moreover, our meta-analyses supported the association of the T allele (IVS3C/T) of rs7903146 (1.36, 1.24–1.48; p  = 6.404×10−12) and T2DM but not the C allele of rs290487 (IVS3C/T) (0.99, 0.85–1.15, p  = 0.890) in Han Chinese. We found no interactions between behavioral risk factors (smoking, alcohol drinking, and physical activity) and rs7903146 (IVS3C/T) and rs290487 (IVS3C/T) polymorphisms. The CC genotype and the recessive model of the variant rs290487 (IVS3C/T) and CC haplotype of rs7903146 (IVS3C/T) and rs290487 (IVS3C/T) in TCF7L2 may be associated with T2DM in Han Chinese people in Henan province, China.
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