Apoprotein E and Reverse Cholesterol Transport.

Apoprotein E and Reverse Cholesterol Transport.
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DOI:
10.3390/ijms19113479
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发表时间:
2018-11-06
影响因子:
5.6
通讯作者:
Reardon CA
Reardon CA
中科院分区:
生物学2区
文献类型:
--
作者:
Getz GS;Reardon CA

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载脂蛋白E(ApoE)是一种多功能蛋白质。其最具特征的功能是作为低密度脂蛋白(LDL)受体家族成员的配体,介导含apoB的致动脉粥样硬化脂蛋白的清除。在它的其他功能中,apoE参与胆固醇的外流,特别是从胆固醇负载的巨噬泡沫细胞和其他与动脉粥样硬化相关的细胞,以及参与胆固醇的反向运输。胆固醇反向运输是一种机制,通过血浆中的脂蛋白将多余的细胞胆固醇运输到肝脏,在那里它可以通过粪便从体内排泄出来。这一过程被认为在动脉粥样硬化的减弱中起到了作用。本文综述了载脂蛋白E在细胞胆固醇外流和胆固醇逆向转运中的作用,并讨论了可能促进这些途径的载脂蛋白E模拟肽的鉴定。
Apoprotein E (apoE) is a multifunctional protein. Its best-characterized function is as a ligand for low-density lipoprotein (LDL) receptor family members to mediate the clearance of apoB-containing atherogenic lipoproteins. Among its other functions, apoE is involved in cholesterol efflux, especially from cholesterol-loaded macrophage foam cells and other atherosclerosis-relevant cells, and in reverse cholesterol transport. Reverse cholesterol transport is a mechanism by which excess cellular cholesterol is transported via lipoproteins in the plasma to the liver where it can be excreted from the body in the feces. This process is thought to have a role in the attenuation of atherosclerosis. This review summarizes studies on the role of apoE in cellular cholesterol efflux and reverse cholesterol transport and discusses the identification of apoE mimetic peptides that may promote these pathways.
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