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- Title
Genome-wide association study and meta-analysis find that over 40 loci affect risk of type 1 diabetes.
- Authors
Barrett, Jeffrey C; Clayton, David G; Concannon, Patrick; Akolkar, Beena; Cooper, Jason D; Erlich, Henry A; Julier, Cécile; Morahan, Grant; Nerup, Jørn; Nierras, Concepcion; Plagnol, Vincent; Pociot, Flemming; Schuilenburg, Helen; Smyth, Deborah J; Stevens, Helen; Todd, John A; Walker, Neil M; Rich, Stephen S; Type 1 Diabetes Genetics Consortium
- Abstract
Type 1 diabetes (T1D) is a common autoimmune disorder that arises from the action of multiple genetic and environmental risk factors. We report the findings of a genome-wide association study of T1D, combined in a meta-analysis with two previously published studies. The total sample set included 7,514 cases and 9,045 reference samples. Forty-one distinct genomic locations provided evidence for association with T1D in the meta-analysis (P < 10(-6)). After excluding previously reported associations, we further tested 27 regions in an independent set of 4,267 cases, 4,463 controls and 2,319 affected sib-pair (ASP) families. Of these, 18 regions were replicated (P < 0.01; overall P < 5 × 10(-8)) and 4 additional regions provided nominal evidence of replication (P < 0.05). The many new candidate genes suggested by these results include IL10, IL19, IL20, GLIS3, CD69 and IL27.
- Publication
Nature genetics, 2009, Vol 41, Issue 6, p703
- ISSN
1546-1718
- Publication type
Journal Article
- DOI
10.1038/ng.381