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PGE2在结核感染中对巨噬细胞凋亡的调控

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摘要 1 PGE2 前列腺素E2( Prostaglandin E2,PGE2)是花生四烯酸( Arachidonic acid , AA )在环氧合酶( Cyclooxygenase ,COX)作用下代谢形成的五大重要代谢产物之一,与其他四种产物PGF2α、PGD2、PGI及血栓烷 A2( Thromboxane , TXA2)被统称为前列腺素。 1.1 PGE2合成代谢 PGE2的合成源自细胞膜上的磷脂( Phospholipd )在磷脂酶 A2( Phospholipase A2,PLA2)作用下转化生成游离AA的过程[1]。游离AA可经COX、脂氧合酶( Lipoxygenase , LOX )与细胞色素 P450单氧酶( Cytochrome P450 monooxygenase)三条通路进行代谢,其中,COX途径所生成的产物即为PGE2[1]。
出处 《中国免疫学杂志》 CAS CSCD 北大核心 2015年第9期1274-1277,共4页 Chinese Journal of Immunology
基金 国家自然科学基金(81171539 81371764) 广东省学科建设专项资金科技创新项目(2013KJCX0036)资助
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