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首页> 外文期刊>Current opinion in lipidology >Hepatic lipase and HDL metabolism.
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Hepatic lipase and HDL metabolism.

机译:肝脂肪酶和HDL代谢。

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摘要

Hepatic lipase is a lipolytic enzyme that has been suggested to have a role in HDL metabolism. Evidence suggests that HDL-cholesterol level is at least partly regulated by hepatic lipase level. Recent studies have shown that hepatic lipase not only hydrolyzes triglyceride and phospholipid in HDL, but also stimulates HDL cholesterol ester uptake by hepatocytes. Therefore, hepatic lipase, together with lipid transfer proteins, determines both HDL-cholesterol level and its function in reverse cholesterol transport. These conclusions are based on observations from in-vitro model substrate studies, cell culture studies, transgenic animal studies, and clinical studies. At present time, it is not known whether hepatic lipase action increases or decreases risk of developing atherosclerosis.
机译:肝脂肪酶是一种脂解酶,已被证明在HDL代谢中起作用。有证据表明,HDL-胆固醇水平至少部分受肝脂肪酶水平调节。最近的研究表明,肝脂肪酶不仅可以水解HDL中的甘油三酸酯和磷脂,还可以刺激肝细胞摄取HDL胆固醇酯。因此,肝脂肪酶与脂质转移蛋白一起决定了HDL-胆固醇水平及其在逆向胆固醇转运中的功能。这些结论基于体外模型底物研究,细胞培养研究,转基因动物研究和临床研究的观察结果。目前,尚不知道肝脂肪酶的作用是否会增加或降低发生动脉粥样硬化的风险。

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