Validation of Type 2 Diabetes Risk Variants Identified by Genome-Wide Association Studies in Han Chinese Population: A Replication Study and Meta-Analysis

Yi-Cheng Chang, Pi-Hua Liu, Yu-Hsiang Yu, Shan-Shan Kuo, Tien-Jyun Chang, Yi- Der Jiang, Jiun-Yi Nong, Juey-Jen Hwang and Lee-Ming Chuang

PLOS ONE, 2014, vol. 9, issue 4, 1-8

Abstract: Background: Several genome-wide association studies (GWAS) involving European populations have successfully identified risk genetic variants associated with type 2 diabetes mellitus (T2DM). However, the effects conferred by these variants in Han Chinese population have not yet been fully elucidated. Methods: We analyzed the effects of 24 risk genetic variants with reported associations from European GWAS in 3,040 Han Chinese subjects in Taiwan (including 1,520 T2DM cases and 1,520 controls). The discriminative power of the prediction models with and without genotype scores was compared. We further meta-analyzed the association of these variants with T2DM by pooling all candidate-gene association studies conducted in Han Chinese. Results: Five risk variants in IGF2BP2 (rs4402960, rs1470579), CDKAL1 (rs10946398), SLC30A8 (rs13266634), and HHEX (rs1111875) genes were nominally associated with T2DM in our samples. The odds ratio was 2.22 (95% confidence interval, 1.81-2.73, P 34) as compared with subjects with the lowest quartile (score

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0095045

DOI: 10.1371/journal.pone.0095045

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