Relation of apolipoprotein E phenotype to myocardial infarction and mortality from coronary artery disease
- 1 January 1993
- journal article
- clinical trial
- Published by Elsevier BV in The American Journal of Cardiology
- Vol. 71 (2), 160-165
- https://doi.org/10.1016/0002-9149(93)90732-r
Abstract
The apolipoprotein E polymorphism is a genetic determinant of low-density lipoprotein (LDL) cholesterol. Its status as a risk factor for coronary artery disease (CAD), either through a causal relation with LDL cholesterol level or independently, is less clearly established. Data from the Multiple Risk Factor Intervention Trial were used to examine the influence of apolipoprotein E phenotype on risk of coronary events. Of the 12,866 randomized participants, 619 were studied in a nested case-control design. CAD deaths (93) and nonfatal myocardial infarctions (113) were matched to 412 controls. The allele frequencies of apolipoprotein E in the white subset (ϵ2 = 0.06, ϵ3 = 0.79, and ϵ4 = 0.15) were very similar to other nonselected white American populations, and the relation of apolipoprotein E on total and LDL cholesterol was generally similar to that seen in other studies, with the ϵ2 allele being associated with lower and the ϵ4 allele with higher total and LDL cholesterol. Allele frequencies were not the same for patients and control subjects. The presence of ϵ4 was associated with an increased risk of CAD that was most evident for fatal cases. There was no relation between changes in LDL cholesterol over time during the trial and apolipoprotein E phenotypes.This publication has 30 references indexed in Scilit:
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