Journal
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
Volume 90, Issue 5, Pages 3100-3105Publisher
ENDOCRINE SOC
DOI: 10.1210/jc.2004-2027
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Lipoprotein-associated phospholipase A(2) (Lp-PLA(2)) is a member of the phospholipase A(2) superfamily, a family of enzymes that hydrolyze phospholipids. Circulating Lp-PLA(2) is a marker of inflammation that plays a critical role in atherogenesis; its inhibition may have antiatherogenic effects. Epidemiological data have consistently demonstrated the association of increased levels of Lp-PLA(2) with increased risk of coronary heart disease (CHD). In general, studies from the West of Scotland Coronary Prevention Study, Monitoring Trends and Determinants in Cardiovascular Diseases, and Rotterdam cohorts have shown that the association of Lp-PLA(2) with CHD is not attenuated upon multivariate analysis with traditional risk factors and other inflammatory markers. In addition, in the Atherosclerosis Risk in Communities cohort, Lp-PLA(2) was particularly useful in identifying CHD risk among patients with a baseline low-density lipoprotein less than 130 mg/dl. Studies in subjects with coronary artery disease have also shown associations between Lp-PLA(2) and cardiovascular risk. Polymorphisms of the Lp-PLA(2) gene have been reported, with varying significance, in Japanese and Caucasian populations. Overall, epidemiological studies suggest that measurement of Lp-PLA(2) in plasma may be useful in identifying individuals at high risk for cardiac events.
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