Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
Clinical Investigation
Endothelial Lipase Gene Polymorphism is Associated With Acute Myocardial Infarction, Independently of High-Density Lipoprotein-Cholesterol Levels
Masakatsu ShimizuKenji KanazawaKen-ichi HirataTatsuro IshidaEiji HiraokaYasuaki MatsudaChikao IwaiYoshitomo MiyamotoMasayoshi HashimotoTeishi KajiyaHozuka AkitaMitsuhiro Yokoyama
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2007 Volume 71 Issue 6 Pages 842-846


Background Endothelial lipase (EL) is a major determinant of high-density lipoprotein-cholesterol (HDL-C) metabolism and promotes monocytes recruitment. The local expression of EL could influence atherogenesis directly, in addition to its systemic role in HDL metabolism. The EL gene has a common 584C/T polymorphism, but it is unclear whether this polymorphism is associated with HDL-C levels or acute myocardial infarction (AMI). Methods and Results A case - control study of 107 AMI patients and 107 control subjects was conducted. T allele frequency was lower in the AMI group than in controls (0.18 vs 0.26, p<0.05). No significant association was found between the 584C/T polymorphism and HDL-C levels. Multivariate regression analyses showed that the association of the T allele with AMI was statistically significant and independent of other risk factors when age, sex, hypertension, hypercholesterolemia, and diabetes mellitus were included in the analyses (odds ratio (OR), 0.52; 95% confidence interval (95% CI) 0.28-0.98; p=0.04). However, when smoking status was included, the association of the T allele with AMI did not remain statistically significant (OR, 0.61; 95% CI 0.32-1.18; p=0.14). Conclusions The 584C/T polymorphism of the EL gene was associated with AMI independently of HDL-C levels and thus may be involved in the pathogenesis of AMI. (Circ J 2007; 71: 842 - 846)

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