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The pathophysiology of Aβ oligomers Akira Tamaoka 1,2 1Department of Clinical Pathophysiology of the Neurological Disorders, Majors of Medical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba 2Tsukuba University Hospital Keyword: アルツハイマー病 , アミロイドβ蛋白 , オリゴマー pp.57-64
Published Date 2012/1/15
DOI https://doi.org/10.11477/mf.1542102891
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Amyloid β protein (Aβ) deposition in senile plaques was earlier considered to begin the pathological cascade of Alzheimer's disease (AD), suggesting that the aggregation of Aβ into insoluble Aβ fibrils plays an important role in its neurotoxicity ('amyloid cascade hypothesis'). However, the concentrations of Aβ required for fibrillization with neurotoxicity are higher than its physiological concentrations. In addition, cognitive decline in AD patients is not correlated with the levels of senile plaque formation. Currently, AD is believed to begin with synaptic dysfunction caused by soluble Aβ oligomers, playing a more important role in the etiology of AD than insoluble Aβ fibrils ('oligomer hypothesis').


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電子版ISSN 1882-1367 印刷版ISSN 0485-1420 医学書院

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