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Type 2 Diabetes Mellitus and the Association of Candidate Genes in Asian Indian Population from Hyderabad, India

机译:印度海得拉巴的亚洲印度裔人群中的2型糖尿病和候选基因的关联

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Introduction: Genetic and environmental factors play an important role in susceptibility to type 2 diabetes mellitus (T2DM). Several genes have been implicated in the development of T2DM. Genetic variants of candidate genes are, therefore, prime targets for molecular analysis. Aim: In this study, we have selected 3 candidate genes, namely, TCF7L2, SLC30A8, and IGF2, for assessing their association with T2DM in an Indian population. Materials and Methods: Five hundred individuals were enrolled in this case-control study- 250 T2DM patients and 250 healthy control individuals. Clinical characteristics were obtained for all subjects, and genotype analysis was performed by PCR-RFLP analysis. Results: Allele and genotyping frequencies, odds ratios, and 95% confidence intervals were calculated for 3 single nucleotide polymorphisms (SNPs), 1 each from TCF7L2 (rs7903146), SLC30A8 (rs13266634), and IGF2 (rs680) in T2DM patients. The rs7903146 and rs680 polymorphisms were found to be significantly associated with T2DM (p 0.05). The multifactor dimensionality reduction method identified the particular polymorphisms associated with an increased risk of disease. Conclusion: The present study indicated that the gene?gene interaction model successfully predicted T2DM risk based on TCF7L2 and SLC30A8 polymorphisms. These results provide strong evidence of independent association between T2DM and the 3 SNPs analysed herein.
机译:简介:遗传和环境因素在2型糖尿病(T2DM)易感性中起重要作用。 T2DM的发展涉及到几个基因。因此,候选基因的遗传变异是分子分析的主要目标。目的:在这项研究中,我们选择了3个候选基因TCF7L2,SLC30A8和IGF2,以评估它们与印度人群中T2DM的关联。材料和方法:这项研究共纳入了500名个体,包括250名T2DM患者和250名健康对照者。获得所有受试者的临床特征,并通过PCR-RFLP分析进行基因型分析。结果:计算了T2DM患者的3个单核苷酸多态性(SNP)的等位基因和基因分型频率,比值比和95%置信区间,分别来自TCF7L2(rs7903146),SLC30A8(rs13266634)和IGF2(rs680)1个。发现rs7903146和rs680多态性与T2DM显着相关(p 0.05)。多因素降维方法确定了与疾病风险增加相关的特定多态性。结论:本研究表明,基因-基因相互作用模型基于TCF7L2和SLC30A8多态性成功预测了T2DM风险。这些结果提供了强有力的证据证明T2DM与本文分析的3个SNP之间具有独立的关联。

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