Journal
GENETICS
Volume 169, Issue 3, Pages 1583-1587Publisher
GENETICS
DOI: 10.1534/genetics.104.037812
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- NHLBI NIH HHS [HL-63293, HL-58755] Funding Source: Medline
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Polymorphisms in the beta 2 adrenergic receptor (ADRB2), in particular G16R, Q27E, and T164I, have been implicated in the pathogenesis of cardiovascular and metabolic phenotypes. However, no prospective, genetic-epidemiological data are available on the risk of cardiovascular disease associated with these variants. Using DNA samples collected at baseline in a prospective cohort of 14,916 initially healthy American men, we evaluated the G16R, Q27E, and T164I polymorphisms among 523 individuals who subsequently developed myocardial infarction and among 2092 individuals who remained free of reported cardiovascular events during follow-tip. The haplotype frequency distribution was significantly different among cases and controls (X-d.f.(2) = 20.92, P = 0.0039). Haplotype-based logistic regression, adjusting for age, smoking, and randomized treatment group, indicated that GIG-Q27-1164 (odds ratio 0.178, 95% C.I. 0.043-0.737, P = 0.017) and (non-G16-Q27)-T164 (odds ratio 1.235, 95% C.I. 1.031-1.480, P = 0.022) haplotypes were significantly associated with altered risk of myocardial infarction. These findings remained after further adjustment for BMI, history of hypertension, and presence or absence of diabetes. In conclusion, variation in haplotype frequencies for the beta 2 adrenergic receptor gene was found to be associated with risk of myocardial infarction.
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