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The β-amyloid protein (Aβ) has long been considered to associate with Alzheimers disease (AD). In addition, groups of evidence show that the soluble intracellular Aβ plays an important role in the disease development. The mitochondrial dysfunction induced by Aβ accumulation is a main pathologic process in early stage of AD. Matured Aβ is imported into the mitochondria through an unclear route. Once inside the mitochondria, Aβ is able to interact with a number of targets, including amyloid-binding alcohol dehydrogenase (ABAD) and cyclophilin D (CypD), which is a component of the mitochondrial permeability transition pore. Interference with the normal functions of these proteins results in mitochondrial injury, such as energy dyshomeostasis, production of reactive oxygen species, membrane permeability alteration and so on. This review explores the Aβ generation and location in mitochondria. The mitochondrial injury induced by the interaction between Aβ and its targets are also discussed.  相似文献   
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晚期糖基化终末产物受体与阿尔茨海默病   总被引:2,自引:1,他引:1  
阿尔茨海默病(AD)是一种以记忆力下降和认知功能障碍为主要表现的神经退行性疾病,以形成细胞外淀粉样斑块,细胞内神经原纤维缠结及细胞慢性炎症为主要病理改变[1].β样淀粉蛋白(Aβ)是一种易于聚集的非特异性结合蛋白,可与许多不同结构的物质相结合,如磷脂双分子层、蛋白聚糖以及多种蛋白受体,包括晚期糖基化终末产物受体(RAGE)、烟碱型乙酰胆碱受体α(α-N-AChR),巨噬细胞A型清道夫受体(SR-A)、α5β1整合素、N-甲基-D-天冬氨酸受体(NMDA receptor)、p75 神经营养因子受体(P75NTR)及低密度脂蛋白受体相关蛋白(LRP-1)[2]等.  相似文献   
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