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首页> 外文期刊>Current opinion in lipidology >Concerted actions of cholesteryl ester transfer protein and phospholipid transfer protein in type 2 diabetes: effects of apolipoproteins.
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Concerted actions of cholesteryl ester transfer protein and phospholipid transfer protein in type 2 diabetes: effects of apolipoproteins.

机译:胆固醇酯转移蛋白和磷脂转移蛋白在2型糖尿病中的协同作用:载脂蛋白的作用。

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PURPOSE OF REVIEW: Type 2 diabetes frequently coincides with dyslipidemia, characterized by elevated plasma triglycerides, low high-density lipoprotein cholesterol levels and the presence of small dense low-density lipoprotein particles. Plasma lipid transfer proteins play an essential role in lipoprotein metabolism. It is thus vital to understand their pathophysiology and determine which factors influence their functioning in type 2 diabetes. RECENT FINDINGS: Cholesteryl ester transfer protein-mediated transfer is increased in diabetic patients and contributes to low plasma high-density lipoprotein cholesterol levels. Apolipoproteins A-I, A-II and E are components of the donor lipoprotein particles that participate in the transfer of cholesteryl esters from high-density lipoprotein to apolipoprotein B-containing lipoproteins. Current evidence for functional roles of apolipoproteins C-I, F and A-IV as modulators of cholesteryl ester transfer is discussed. Phospholipid transfer protein activity is increased in diabetic patients and may contribute to hepatic very low-density lipoprotein synthesis and secretion and vitamin E transfer. Apolipoprotein E could stimulate the phospholipid transfer protein-mediated transfer of surface fragments of triglyceride-rich lipoproteins to high-density lipoprotein, and promote high-density lipoprotein remodelling. SUMMARY: Both phospholipid and cholesteryl ester transfer proteins are important in very low and high-density lipoprotein metabolism and display concerted actions in patients with type 2 diabetes.
机译:审查目的:2型糖尿病通常与血脂异常同时发生,其特征在于血浆甘油三酸酯升高,高密度脂蛋白胆固醇水平低和存在小而密集的低密度脂蛋白颗粒。血浆脂质转移蛋白在脂蛋白代谢中起重要作用。因此,了解他们的病理生理学并确定哪些因素影响他们在2型糖尿病中的功能至关重要。最近的发现:胆固醇酯转移蛋白介导的转移在糖尿病患者中增加,并有助于降低血浆高密度脂蛋白胆固醇水平。载脂蛋白A-1,A-II和E是供体脂蛋白颗粒的成分,它们参与胆固醇酯从高密度脂蛋白到含载脂蛋白B的脂蛋白的转移。讨论了载脂蛋白C-1,F和A-IV作为胆固醇酯转移调节剂的功能作用的最新证据。糖尿病患者的磷脂转移蛋白活性增加,可能有助于肝脏极低密度脂蛋白的合成和分泌以及维生素E的转移。载脂蛋白E可以刺激磷脂转移蛋白介导的富含甘油三酸酯的脂蛋白表面片段向高密度脂蛋白的转移,并促进高密度脂蛋白重塑。摘要:磷脂和胆固醇酯转移蛋白在极低和高密度脂蛋白代谢中都很重要,并且在2型糖尿病患者中表现出协同作用。

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