A kinesin family member 6 variant is associated with coronary heart disease in the Women's Health Study

We asked if carriers of the 719Arg allele of kinesin family member 6 (KIF6) have increased risk of coronary heart disease (CHD) in a cohort of initially healthy Caucasian American women. The 719Arg allele of KIF6 (rs20455) has been reported to be associated with increased risk of CHD in a large popu...

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Veröffentlicht in:Journal of the American College of Cardiology Jg. 51; H. 4; S. 444
Hauptverfasser: Shiffman, Dov, Chasman, Daniel I, Zee, Robert Y L, Iakoubova, Olga A, Louie, Judy Z, Devlin, James J, Ridker, Paul M
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States 29.01.2008
Schlagworte:
Cohort Studies
Comorbidity
Coronary Disease - epidemiology
Coronary Disease - genetics
European Continental Ancestry Group - genetics
Female
Follow-Up Studies
Gene Frequency
Heterozygote
Humans
Incidence
Kinesin - genetics
Middle Aged
Myocardial Infarction - epidemiology
Myocardial Infarction - genetics
Polymorphism, Genetic
Prospective Studies
Risk Factors
Sex Factors
Stroke - epidemiology
Stroke - genetics
United States - epidemiology
Women's Health - ethnology
ISSN:1558-3597, 1558-3597
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Zusammenfassung:We asked if carriers of the 719Arg allele of kinesin family member 6 (KIF6) have increased risk of coronary heart disease (CHD) in a cohort of initially healthy Caucasian American women. The 719Arg allele of KIF6 (rs20455) has been reported to be associated with increased risk of CHD in a large population-based prospective study, ARIC (Atherosclerosis Risk in Communities), and in the placebo arms of 2 statin trials, CARE (Cholesterol and Recurrent Events) and WOSCOPS (West of Scotland Coronary Prevention Study). However, this KIF6 variant was not specifically investigated in the female subgroup in the ARIC study, and the CARE and WOSCOPS trials included only a small number of female patients. Genotypes of the rs20455 single nucleotide polymorphism (SNP) were determined among 25,283 initially healthy Caucasian women, age 45 years and older, participating in the WHS (Women's Health Study) who were prospectively followed over a 12-year period for incident cardiovascular events. The risk associated with the 719Arg allele of KIF6 was estimated using Cox proportional hazards models that adjusted for age and traditional risk factors. During follow-up, 953 women suffered a first-ever CHD event (myocardial infarction, coronary revascularization, or cardiovascular death) or first-ever ischemic stroke. Compared with noncarriers, carriers of the 719Arg allele had an increased risk of CHD (hazard ratio [HR] = 1.24 [95% confidence interval (CI) 1.04 to 1.46, p = 0.013]) and myocardial infarction (HR = 1.34 [95% CI 1.02 to 1.75, p = 0.034]) but not ischemic stroke. Confirming and extending previous reports, carriers of the 719Arg allele of KIF6 have 34% higher risk of myocardial infarction and 24% higher risk of CHD compared with noncarriers among 25,283 women from the WHS.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1558-3597
1558-3597
DOI:10.1016/j.jacc.2007.09.044