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Nat Genet. 2009 Feb;41(2):216-20. doi: 10.1038/ng.275. Epub 2009 Jan 4.

Ulcerative colitis-risk loci on chromosomes 1p36 and 12q15 found by genome-wide association study.

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  • 1Mount Sinai Hospital Inflammatory Bowel Disease Group, University of Toronto, 600 University Avenue, Toronto, ON M5G1X5, Canada.

Erratum in

  • Nat Genet. 2009 Jun;41(6):762.

Abstract

Ulcerative colitis is a chronic inflammatory disease of the colon that presents as diarrhea and gastrointestinal bleeding. We performed a genome-wide association study using DNA samples from 1,052 individuals with ulcerative colitis and preexisting data from 2,571 controls, all of European ancestry. In an analysis that controlled for gender and population structure, ulcerative colitis loci attaining genome-wide significance and subsequent replication in two independent populations were identified on chromosomes 1p36 (rs6426833, combined P = 5.1 x 10(-13), combined odds ratio OR = 0.73) and 12q15 (rs1558744, combined P = 2.5 x 10(-12), combined OR = 1.35). In addition, combined genome-wide significant evidence for association was found in a region spanning BTNL2 to HLA-DQB1 on chromosome 6p21 (rs2395185, combined P = 1.0 x 10(-16), combined OR = 0.66) and at the IL23R locus on chromosome 1p31 (rs11209026, combined P = 1.3 x 10(-8), combined OR = 0.56; rs10889677, combined P = 1.3 x 10(-8), combined OR = 1.29).

PMID:
19122664
[PubMed - indexed for MEDLINE]
PMCID:
PMC2652837
Free PMC Article

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