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Mechanisms of obesity and related pathologies: Role of apolipoprotein E in the development of obesity

机译:肥胖的机制和相关病理:载脂蛋白E在肥胖发展中的作用

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摘要

Apolipoprotein E is a polymorphic glycoprotein in humans with a molecular mass of 34.5 kDa. It is a component of chylomicron remnants, very low density lipoprotein, low density lipoprotein and high density lipoprotein, and is primarily responsible for maintaining plasma lipid homeostasis. In addition to these well-documented functions, recent studies in experimental mouse models, as well as population studies, show that apolipoprotein E also plays an important role in the development of obesity and insulin resistance. It is widely accepted that disruption in homeostasis between food intake and energy expenditure, and the subsequent deposition of excess fatty acids into fat cells in the form of triglycerides, leads to the development of obesity. Despite the pivotal role of obesity and dyslipidemia in the development of the metabolic syndrome and heart disease, the functional interactions between adipose tissue and components of the lipoprotein transport system have not yet been investigated thoroughly. In this minireview, we focus on the current literature pertinent to the involvement of apolipoprotein E in the development of pathologies associated with the metabolic syndrome.
机译:载脂蛋白E是人体内的一种多态糖蛋白,分子量为34.5 kDa。它是乳糜微粒残留物,极低密度脂蛋白,低密度脂蛋白和高密度脂蛋白的成分,主要负责维持血浆脂质稳态。除了这些有据可查的功能外,最近在实验性小鼠模型中进行的研究以及群体研究表明,载脂蛋白E在肥胖症和胰岛素抵抗的发生中也起着重要作用。广泛接受的是,食物摄入和能量消耗之间的体内稳态的破坏,以及随后以甘油三酸酯形式将过量脂肪酸沉积到脂肪细胞中,导致肥胖症的发展。尽管肥胖和血脂异常在代谢综合征和心脏病的发展中起着关键作用,但脂肪组织和脂蛋白转运系统的组成部分之间的功能性相互作用尚未得到彻底研究。在本篇综述中,我们重点关注与载脂蛋白E参与与代谢综合征相关的病理学发展相关的最新文献。

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