title: Predicting the risk of cardiovascular disease: where does lipoprotein-associated phospholipase A(2) fit in?
abstract: Although an atherogenic lipoprotein phenotype has been well recognized as an important predictor of cardiovascular disease, recent studies have demonstrated a number of additional lipid-related markers as emerging biomarkers to identify patients at risk for future coronary heart disease. Among them, lipoprotein-associated phospholipase A(2) (Lp-PLA(2)), seems to be a promising candidate that might be added to the clinical armamentarium for improved prediction of cardiovascular disease in the future. Of particular note, Lp-PLA(2) is the only enzyme that cleaves oxidized low-density lipoprotein (oxLDL) in the subendothelial space, with further generation of proinflammatory mediators such as lysophosphatidylcholine (LysoPC) and oxidized fatty acid (oxFA), thereby probably linking two important features of atherogenesis, namely oxidation of LDL and local inflammatory processes within the atherosclerotic plaque. This overview aims to summarize our current knowledge based on observations from recent experimental and clinical studies. Emphasis has been put on potential pathophysiological mechanisms of action and on the clinical relevance of Lp-PLA(2) in a wide variety of clinical settings, including apparently healthy individuals, patients with stable angina or acute coronary syndromes, after myocardial infarction, and with subclinical disease. Although a growing body of evidence from epidemiological and clinical studies suggests that Lp-PLA(2) may represent an independent and clinically relevant long-term risk marker for coronary heart disease and, probably, also for stroke, the role of this enzyme in the setting of the acute coronary syndrome remains to be established.
authors: Department of Internal Medicine II - Cardiology, University of Ulm Medical Center, Ulm, Germany.
authors: Natalie
authors: N
authors: Khuseyinova
authors: Wolfgang
authors: W
authors: Koenig
mesh_terms: D043203:1-Alkyl-2-acetylglycerophosphocholine Esterase / Q000378:metabolism*; D000818:Animals; D002097:C-Reactive Protein / Q000378:metabolism; D002318:Cardiovascular Diseases / Q000175:diagnosis / Q000201:enzymology* / Q000517:prevention & control / Q000628:therapy; D006801:Humans; D015201:Meta-Analysis as Topic; D012307:Risk Factors
chemical_list: D002097:C-Reactive Protein; D043203:1-Alkyl-2-acetylglycerophosphocholine Esterase
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