期刊
PHARMACOLOGY & THERAPEUTICS
卷 129, 期 2, 页码 195-205出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pharmthera.2010.09.004
关键词
Prostanoids; Prostaglandin; Thromboxane; Cardiovascular diseases; Knockout mice
Prostanoids consisting of prostaglandins (PGs) and thromboxanes (TXs) are produced from arachidonic acids, representative fatty acids contained in cell membrane, by the sequential actions of phospholipase A(2), cyclooxygenases and respective prostanoid synthases. Prostanoids are released outside of the cells immediately after biosynthesis and exert a wide range of actions in the body. These actions are mediated by their respective G protein-coupled receptors expressed in the target cells, which receptors include the DP, EP, FP, IP and TP receptors for PCD2, PGE(2), PGF(2)alpha, PGI(2) and TXA(2), respectively. In addition, there are four subtypes of the EP receptors: EP1, EP2, EP3 and EP4. Recently, roles of prostanoids in the pathogenesis of cardiovascular diseases have been widely examined using mice lacking each prostanoid receptor individually or enzyme participating in prostanoid biosynthesis. These studies have revealed important and novel roles of prostanoids in the development of cardiovascular diseases, such as acute myocardial infarction, cardiac hypertrophy, atherosclerosis, vascular remodeling, hypertension and cerebral thrombosis. Roles of prostanoids in the generation of inflammatory tachycardia and the regulation of platelet function have also been clarified. In this review, we summarize these roles of prostanoids revealed from knockout mouse studies. (C) 2010 Elsevier Inc. All rights reserved.
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