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Type: Journal article
Title: Common variants at 6p21.1 are associated with large artery atherosclerotic stroke
Author: Holliday, E.
Koblar, S.
Jannes, J.
Lewis, M.
Citation: Nature Genetics, 2012; 44(10):1147-1151
Publisher: Nature Publishing Group
Issue Date: 2012
ISSN: 1061-4036
Statement of
Elizabeth G Holliday... Simon A Koblar, Jim Jannes... Martin D Lewis... et al.
Abstract: Genome-wide association studies (GWAS) have not consistently detected replicable genetic risk factors for ischemic stroke, potentially due to etiological heterogeneity of this trait. We performed GWAS of ischemic stroke and a major ischemic stroke subtype (large artery atherosclerosis, LAA) using 1,162 ischemic stroke cases (including 421 LAA cases) and 1,244 population controls from Australia. Evidence for a genetic influence on ischemic stroke risk was detected, but this influence was higher and more significant for the LAA subtype. We identified a new LAA susceptibility locus on chromosome 6p21.1 (rs556621: odds ratio (OR) = 1.62, P = 3.9 × 10−8) and replicated this association in 1,715 LAA cases and 52,695 population controls from 10 independent population cohorts (meta-analysis replication OR = 1.15, P = 3.9 × 10−4; discovery and replication combined OR = 1.21, P = 4.7 × 10−8). This study identifies a genetic risk locus for LAA and shows how analyzing etiological subtypes may better identify genetic risk alleles for ischemic stroke.
Keywords: Australian Stroke Genetics Collaborative
International Stroke Genetics Consortium
Wellcome Trust Case Control Consortium 2
Chromosomes, Human, Pair 6
Cerebral Infarction
Intracranial Arteriosclerosis
Genetic Predisposition to Disease
Odds Ratio
Case-Control Studies
Linkage Disequilibrium
Polymorphism, Single Nucleotide
Genome-Wide Association Study
Rights: © 2012 Nature America, Inc. All rights reserved.
DOI: 10.1038/ng.2397
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