期刊
NATURE GENETICS
卷 46, 期 3, 页码 234-+出版社
NATURE PORTFOLIO
DOI: 10.1038/ng.2897
关键词
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资金
- Canadian Institutes of Health Research
- European Commission (ENGAGE FP7) [HEALTH-F4-2007-201413]
- Medical Research Council UK [G0601261]
- Mexico Convocatoria [SSA/IMMS/ISSSTE-CONACYT 2012-2, clave 150352, IMSS R-2011-785-018, CONACYT Salud-2007-C01-71068]
- US National Institutes of Health [DK062370, HG000376, DK085584, DK085545, DK073541, DK085501]
- Wellcome Trust [WT098017, WT090532, WT090367, WT098381, WT081682, WT085475]
- British Heart Foundation [RG/08/014/24067, RG/08/008/25291] Funding Source: researchfish
- Chief Scientist Office [CZB/4/710, CZB/4/672] Funding Source: researchfish
- Medical Research Council [G9521010, MC_U106179471, MC_UP_A100_1003, G1002084, G0801056, MC_UU_12015/5, MC_UU_12015/1, MR/K006584/1, MC_UU_12015/2, G0601261, MC_PC_U127592696, MR/L003120/1] Funding Source: researchfish
- National Institute for Health Research [NF-SI-0611-10136, NF-SI-0611-10099, NF-SI-0512-10165, NF-SI-0611-10219, NF-SI-0512-10113] Funding Source: researchfish
- Novo Nordisk Fonden [NNF13OC0005339, NNF14OC0009819, NNF12OC1016467] Funding Source: researchfish
- MRC [G0801056, G1002084, MC_UU_12015/5, G0601261, MC_UU_12015/1, MC_PC_U127592696, MC_UU_12015/2, MC_UP_A100_1003, MR/L003120/1, G9521010] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [23591328, 24591346, 24591347, 23591327, 24390169] Funding Source: KAKEN
To further understanding of the genetic basis of type 2 diabetes (T2D) susceptibility, we aggregated published meta-analyses of genome-wide association studies (GWAS), including 26,488 cases and 83,964 controls of European, east Asian, south Asian and Mexican and Mexican American ancestry. We observed a significant excess in the directional consistency of T2D risk alleles across ancestry groups, even at SNPs demonstrating only weak evidence of association. By following up the strongest signals of association from the trans-ethnic meta-analysis in an additional 21,491 cases and 55,647 controls of European ancestry, we identified seven new T2D susceptibility loci. Furthermore, we observed considerable improvements in the fine-mapping resolution of common variant association signals at several T2D susceptibility loci. These observations highlight the benefits of trans-ethnic GWAS for the discovery and characterization of complex trait loci and emphasize an exciting opportunity to extend insight into the genetic architecture and pathogenesis of human diseases across populations of diverse ancestry.
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