期刊
FEBS JOURNAL
卷 285, 期 19, 页码 3631-3644出版社
WILEY
DOI: 10.1111/febs.14587
关键词
alpha-synuclein; Alzheimer's disease; amyloid-; oligomer; Parkinson's disease; protein misfolding; tau
资金
- Wellcome
Misfolding and aggregation of the proteins amyloid-, tau and alpha-synuclein is the predominant pathology underlying the neurodegenerative disorders, Alzheimer's and Parkinson's disease. While end stage insoluble products of aggregation have been well characterised in human and animal models of disease, accumulating evidence from biophysical, cellular and invivo studies has shown that soluble intermediates of aggregation, or oligomers, may be the key species that mediate toxicity and underlie seeding and spreading in disease. Here, we review the process of protein misfolding, and the intrinsic and extrinsic processes that cause the native states of the key aggregating proteins to undergo conformational change to form oligomers and ultimately fibrils. We discuss the structural features of the key toxic intermediate, and describe the putative mechanisms by which oligomers may cause cell toxicity. Finally, we explore the potential therapeutic approaches raised by the oligomer hypothesis in neurodegenerative disease.
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