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Open Access Green as soon as Postprint is submitted to ZB.
Sequence variants on chromosome 9p21.3 confer risk for atherosclerotic stroke.
Ann. Neurol. 65, 531-539 (2009)
Recent studies have identified a major locus for risk for coronary artery disease and myocardial infiarction on chromosome 9p21.3. Stroke, in particular, ischemic stroke caused by atherosclerotic disease, shares common mechanisms with myocardial infarction. We investigated whether the 9p21 region contributes to ischemic stroke risk. Methods: In an initial screen, 15 single nucleotide polymorphisms (SNPs) covering the critical genetic interval on 9p21 were genotyped in samples from Southern Germany (1,090 cases, 1,244 control subjects) and the United Kingdom (758 cases, 872 control subjects, 3 SNPs). SNPs significantly associated with ischemic stroke or individual stroke subtypes in either of the screening samples were Subsequently genotyped in 2,528 additional cases and 2,189 additional control Subjects from Europe and North America. Results: Genotyping of the screening samples demonstrated associations between seven SNPs and atherosclerotic stroke (all p < 0.05). Analysis of the full sample confirmed associations between six SNPs and atherosclerotic stroke in multivariate analyses controlling for demographic variables, coronary, artery disease, myocardial infarction, and vascular risk factors (all p < 0.05). The odds ratios for the lead SNP (rs1537378-C) were similar in the various subsamples with a pooled odds ratio of 1.21 (95% confidence interval, 1.07-1.37) under both fixed- and random-effects models (p = 0.002). The point estimate for the population attributable risk is 20.1% For atherosclerotic stroke. Interpretation: The chromosome 9p21.3 region represents a major risk locus for atherosclerotic stroke. The effect of this locus on stroke appears to be independent of its relation to coronary artery disease and other stroke risk factors. Our findings support a broad role of the 9p21 region in arterial disease.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
genome-wide association; coronary-artery-disease; transient ischemic attack; smooth-muscle-cells; myocardial-infarction; cardiovascular events; plaque vulnerability; media thickness; metaanalysis; replication
ISSN (print) / ISBN
0364-5134
e-ISSN
1531-8249
Journal
Annals of Neurology
Quellenangaben
Volume: 65,
Issue: 5,
Pages: 531-539
Publisher
Wiley
Non-patent literature
Publications
Reviewing status
Peer reviewed