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  • Title: Sortilin: A novel regulator in lipid metabolism and atherogenesis.
    Author: Zhong LY, Cayabyab FS, Tang CK, Zheng XL, Peng TH, Lv YC.
    Journal: Clin Chim Acta; 2016 Sep 01; 460():11-7. PubMed ID: 27312323.
    Abstract:
    Several lines of evidence have shown that SORT1 gene within 1p13.3 locus is an important modulator of the low-density lipoprotein-cholesterol (LDL-C) level and atherosclerosis risk. Here, we summarize the effects of SORT1, which codes for sortilin, on lipid metabolism and development of atherosclerosis and explore the mechanisms underlying sortilin effects on lipid metabolism especially in hepatocytes and macrophages. Recent epidemiological evidence demonstrated that sortilin has been implicated as the causative factor and regulates lipid metabolism in vivo. Hepatic sortilin overexpression leads to both increased and decreased LDL-C levels by several different mechanisms, suggesting the complex roles of sortilin in hepatic lipid metabolism. Macrophage sortilin causes internalization of LDL and probably a reduction in cholesterol efflux, resulting in the intracellular accumulation of excessive lipids. In addition, sortilin deficiency in an atherosclerotic mouse model results in decreased aortic atherosclerotic lesion. Sortilin involves in lipid metabolism, promotes the development of atherosclerosis, and possibly becomes a potential therapeutic target for atherosclerosis treatment.
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