Prostanoids in the pathophysiology of human coronary artery
Abstract Coronary artery disease is one of the leading causes of death in wordwide. There is growing evidence that prostanoids are involved in the physiology and pathophysiology of the human coronary artery by controlling vascular tone, remodelling of the vascular wall or angiogenesis. In this review, the production of prostanoids and the expression of prostanoid receptors in human coronary artery in health or disease are described. In addition, the interactions between sex hormones and prostanoids, their participations in the development of coronary artery diseases have been addressed. Globally, most of the studies performed in human coronary artery preparations have shown that prostacyclin (PGI 2 ) has beneficial effects by inducing vasodilatation and promoting angiogenesis while reverse effects are confirmed by thromboxane A 2 (TxA 2 ). More studies are needed to determine the roles of the other prostanoids (PGE 2 , PGD 2 and PGF 2α ) in vascular functions of the human coronary artery. Finally, in addition to the in vitro data about the human coronary artery, myocardial infarction induced by cyclooxygenase-2 (COX-2) inhibitor and the protective effects of aspirin after coronary artery bypass surgery suggest that prostanoids are key mediators in coronary homeostasis. Highlights Benefits of aspirin in CABG and COXIBs associated risks suggest that prostanoids are key mediators in coronary homeostasis. TxA 2 , PGE 2 and PGF 2α induce contraction while PGI 2 is responsible for vasodilatation in human coronary artery. Inflammatory stimuli induce COX-2 expression associated with an increase of PGE 2 or PGI 2 levels in human coronary artery. Sex hormones have a protective role in the development of coronary artery diseases in link with prostanoids.
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- DOI : http://dx.doi.org/10.1016/j.prostaglandins.2017.03.003
- Elsevier : 저널 > 논문
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