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首页> 外文期刊>Journal of Molecular Neuroscience: MN >Role of apoe/Abeta interactions in the pathogenesis of Alzheimer's disease and cerebral amyloid angiopathy.
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Role of apoe/Abeta interactions in the pathogenesis of Alzheimer's disease and cerebral amyloid angiopathy.

机译:Apoe / Abeta相互作用在阿尔茨海默病和脑淀粉样血管病发病机制中的作用。

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摘要

The epsilon4 allele of apolipoprotein E (apoE) is a risk factor for Alzheimer's disease (AD) and cerebral amyloid angiopathy (CAA). The mechanism underlying this increased risk is not completely clear, yet mounting evidence supports the idea that the ability of apoE to interact with the amyloid-beta (Abeta) peptide and influence its conformation and clearance plays a major role. Evidence to support this concept comes from in vitro and in vivo studies of apoE/Abeta interactions and the effects of these interactions on Abeta conformation and cellular clearance. Recent studies on the effect of murine and human apoE in APP transgenic mice provide direct evidence that apoE is critically involved in the in vivo converstion of Abeta into forms which contain high 5-sheet content and associated cellular toxicity (neuritic plaques and CAA). These studies also suggest a role for human apoE in Abeta clearance in vivo.
机译:脂蛋白E(Apoe)的Epsilon4等位基因是阿尔茨海默病(Ad)和脑淀粉样血管病(CAA)的危险因素。 这种增加的风险的机制并不完全清楚,但是安装证据支持帕莫伊与淀粉样蛋白β(ABETA)肽相互作用的能力并影响其构象和间隙发挥了重要作用。 支持这一概念的证据来自于体外和体内研究的Apoe / Abeta相互作用以及这些相互作用对Abeta构象和细胞间隙的影响。 最近关于鼠和人类Apoe在App转基因小鼠中的影响的研究提供了直接证据,即Apoe批判性地参与ABETA的体内定期成含有高5张含量和相关细胞毒性(神经斑块和CAA)的形式。 这些研究还表明了体内Abeta间隙中的人类Apoe的作用。

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