期刊
BIOCHEMICAL SOCIETY TRANSACTIONS
卷 48, 期 2, 页码 379-397出版社
PORTLAND PRESS LTD
DOI: 10.1042/BST20190054
关键词
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资金
- Dutch Cancer Society (KWF Kankerbestrijding) [UU2014-6902, 11077]
It is well established that both an increase in reactive oxygen species (ROS: i.e. O-2(center dot-), H2O2 and OH center dot), as well as protein aggregation, accompany ageing and proteinopathies such as Parkinson's and Alzheimer's disease. However, it is far from clear whether there is a causal relation between the two. This review describes how protein aggregation can be affected both by redox signalling (downstream of H2O2), as well as by ROS-induced damage, and aims to give an overview of the current knowledge of how redox signalling affects protein aggregation and vice versa. Redox signalling has been shown to play roles in almost every step of protein aggregation and amyloid formation, from aggregation initiation to the rapid oligomerization of large amyloids, which tend to be less toxic than oligomeric prefibrillar aggregates. We explore the hypothesis that age-associated elevated ROS production could be part of a redox signalling-dependent-stress response in an attempt to curb protein aggregation and minimize toxicity.
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