Type 2 scavenger receptor CD36 in platelet activation: the role of hyperlipemia and oxidative stress

被引:25
作者
Silverstein, Roy L. [1 ]
机构
[1] Case Western Reserve Univ, Lerner Coll Med, Cleveland Clin,Dept Cell Biol, Dept Mol Med,Cleveland Clin Fdn,Lerner Res Inst, Cleveland, OH 44106 USA
关键词
CD36; microparticles; oxidized LDL; platelets; thrombosis; LOW-DENSITY-LIPOPROTEIN; FOAM CELL-FORMATION; CHAIN FATTY-ACIDS; HUMAN-BLOOD-PLATELETS; ATHEROSCLEROTIC LESION DEVELOPMENT; INSULIN-RESISTANCE SYNDROME; RETINAL-PIGMENT EPITHELIUM; FUSION PROTEINS DEFINE; E-DEFICIENT MICE; ENDOTHELIAL MICROPARTICLES;
D O I
10.2217/CLP.09.57
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Platelet hyper-reactivity and a systemic prothrombotic state are associated with atherosclerosis and other inflammatory conditions. CD36, a member of the Type 2 scavenger receptor family, is a multiligand pattern recognition receptor that recognizes specific oxidized phospholipids, molecules expressed on microbial pathogens, apoptotic cells, and cell-derived microparticles. Recent studies have demonstrated that CD36 binding to oxidized LDL or microparticles activates a specific signaling pathway that induces platelet activation. This pathway is activated in vivo in the setting of hyperlipidemia and oxidant stress. Genetic deletion of CD36 protects mice from pathological thrombosis associated with hyperlipidemia without any apparent effect on normal hemostasis. Targeting CD36 or its signaling pathway could potentially lead to the development of novel antithrombotic therapies for patients with atheroinflammatory disorders.
引用
收藏
页码:767 / 779
页数:13
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