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首页> 外文期刊>Neuron >ApoE and Aβ in Alzheimer's disease: Accidental encounters or partners?
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ApoE and Aβ in Alzheimer's disease: Accidental encounters or partners?

机译:阿尔茨海默氏病中的ApoE和Aβ:偶然相遇还是伴侣?

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摘要

Among the three human apolipoprotein E (apoE) isoforms, apoE4 increases the risk of Alzheimer's disease (AD). While transporting cholesterol is a primary function, apoE also regulates amyloid-β (Aβ) metabolism, aggregation, and deposition. Although earlier work suggests that different affinities of apoE isoforms to Aβ might account for their effects on Aβ clearance, recent studies indicate that apoE also competes with Aβ for cellular uptake through apoE receptors. Thus, several factors probably determine the variable effects apoE has on Aβ. In this Review, we examine biochemical, structural, and functional studies and propose testable models that address the complex mechanisms underlying apoE-Aβ interaction and how apoE4 may increase AD risk and also serve as a target pathway for therapy.
机译:在三种人类载脂蛋白E(apoE)亚型中,apoE4增加了阿尔茨海默氏病(AD)的风险。虽然运输胆固醇是主要功能,但apoE还调节淀粉样β(Aβ)的代谢,聚集和沉积。尽管早期的工作表明apoE亚型与Aβ的亲和力不同可能解释了它们对Aβ清除的影响,但最近的研究表明apoE也与Aβ竞争通过apoE受体的细胞摄取。因此,几个因素可能决定了apoE对Aβ的可变影响。在这篇综述中,我们研究了生物化学,结构和功能研究,并提出了可测试的模型,这些模型解决了apoE-Aβ相互作用的潜在复杂机制,以及apoE4如何增加AD风险,并且还作为治疗的目标途径。

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