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DIAGRAM Consortium (Gieger, C. ; Grallert, H. ; Illig, T. ; Klopp, N. ; Müller-Nurasyid, M. ; Peters, A.) ; AGEN-T2D Consortium (*) ; SAT2D Consortium (*) ; MAT2D Consortium (*) ; T2D-GENES Consortium (*) ; Boehnke, M.* ; Parra, E.J.* ; Chambers, J.C.* ; Tai, E.S.* ; McCarthy, M.I.* ; Morris, A.P.*

Genome-wide trans-ancestry meta-analysis provides insight into the genetic architecture of type 2 diabetes susceptibility.

Nat. Genet. 46, 234-244 (2014)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
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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Publication type Article: Journal article
Document type Scientific Article
Keywords Scale Association Analysis; Transethnic Metaanalysis; Glucose-homeostasis; Loci; Variants; Populations; Map; Individuals; Imputation; Chromatin
Language english
Publication Year 2014
HGF-reported in Year 2014
ISSN (print) / ISBN 1061-4036
e-ISSN 1546-1718
Journal Nature Genetics
Quellenangaben Volume: 46, Issue: 3, Pages: 234-244 Article Number: , Supplement: ,
Publisher Nature Publishing Group
Publishing Place New York, NY
Reviewing status Peer reviewed
Institute(s) Institute of Genetic Epidemiology (IGE)
Institute of Epidemiology (EPI)
German Center for Diabetes Reseach (DZD)
POF-Topic(s) 30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
30202 - Environmental Health
90000 - German Center for Diabetes Research
Research field(s) Genetics and Epidemiology
PSP Element(s) G-504100-001
G-504091-002
G-501900-401
G-501900-402
G-504000-002
G-501900-421
PubMed ID 24509480
Scopus ID 84895868553
Erfassungsdatum 2014-03-18