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首页> 外文期刊>Current opinion in lipidology >Metabolism of oxidized LDL by macrophages.
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Metabolism of oxidized LDL by macrophages.

机译:巨噬细胞对氧化的低密度脂蛋白的代谢。

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摘要

Oxidation products of lipids and proteins are found in atherosclerotic plaque and in macrophage foam cells. Macrophages avidly endocytose in-vitro oxidized LDL and accumulate sterols. What is the evidence that such a process is involved in in-vivo foam cell formation? The present review surveys current knowledge on the metabolism of oxidized LDL by macrophages, and the types, amounts and location of oxidation products that accumulate in these cells. Comparable studies of lesion lipoproteins and foam cells indicate that limited extracellular lipoprotein oxidation, perhaps followed by more extensive intracellular oxidation subsequent to uptake by macrophages, is a more likely scenario in vivo.
机译:在动脉粥样硬化斑块和巨噬细胞泡沫细胞中发现了脂质和蛋白质的氧化产物。巨噬细胞在体外被氧化的LDL吞噬并吞噬了固醇。有什么证据表明这种过程参与了体内泡沫细胞的形成?本综述调查了有关巨噬细胞氧化的LDL代谢的最新知识,以及在这些细胞中积累的氧化产物的类型,数量和位置。对病灶脂蛋白和泡沫细胞的可比研究表明,有限的细胞外脂蛋白氧化,在体内可能是巨噬细胞摄取之后可能发生的更广泛的细胞内氧化。

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