Protein homeostasis and aging in neurodegeneration.
Protein homeostasis and aging in neurodegeneration.
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DOI:
10.1083/jcb.201005144
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发表时间:
2010-09-06
期刊:
影响因子:
--
通讯作者:
Dillin A
中科院分区:
文献类型:
--
作者:
Douglas PM;Dillin A
Genetic and environmental factors responsible for numerous neurodegenerative diseases vary between disorders, yet age remains a universal risk factor. Age-associated decline in protein homeostasis, or proteostasis, enables disease-linked proteins to adopt aberrant tertiary structures, accumulate as higher-ordered aggregates, and cause a myriad of cellular dysfunctions and neuronal death. However, recent findings suggest that the assembly of disease proteins into tightly ordered aggregates can significantly delay proteotoxic onset. Furthermore, manipulation of metabolic pathways through key signaling components extends lifespan, bolsters proteostasis networks, and delays the onset of proteotoxicity. Thus, understanding the relationship between proteostasis and aging has provided important insights into neurodegeneration.
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