期刊
BIOCHEMISTRY
卷 42, 期 28, 页码 8465-8471出版社
AMER CHEMICAL SOC
DOI: 10.1021/bi0341152
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资金
- NIEHS NIH HHS [ES10806] Funding Source: Medline
- NINDS NIH HHS [NS39985, NS40132] Funding Source: Medline
The aggregation of alpha-synuclein is believed to play an important role in the pathogenesis of Parkinson's disease as well as other neurodegenerative disorders (synucleinopathies). However, the function of alpha-synuclein under physiologic and pathological conditions is unknown, and the mechanism of alpha-synuclein aggregation is not well understood. Here we show that alpha-synuclein forms a tight 2:1 complex with histories and that the fibrillation rate of alpha-synuclein is dramatically accelerated in the presence of histories in vitro. We also describe the presence of cc-synuclein and its co-localization with histories in the nuclei of nigral neurons from mice exposed to a toxic insult (i.e., injections of the herbicide paraquat). These observations indicate that translocation into the nucleus and binding with histones represent potential mechanisms underlying alpha-synuclein pathophysiology.
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