Journal
NATURE CHEMICAL BIOLOGY
Volume 17, Issue 3, Pages 237-245Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41589-020-00708-z
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Funding
- Major State Basic Research Development Program [2016YFA0501902]
- National Natural Science Foundation (NSF) of China [91853113, 31872716]
- Science and Technology Commission of Shanghai Municipality [18JC1420500]
- Shanghai Municipal Education Commission
- Shanghai Municipal Science and Technology Major Project [2019SHZDZX02]
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Amyloid aggregation disrupts protein homeostasis in neurodegenerative diseases. The structural diversity is crucial to amyloid pathology, with chemical modifications playing a key role in the formation of stable structures. Research aims to highlight the importance of these modifications in amyloid assembly and pathology.
Amyloid aggregation, which disrupts protein homeostasis, is a common pathological event occurring in human neurodegenerative diseases (NDs). Numerous evidences have shown that the structural diversity, so-called polymorphism, is decisive to the amyloid pathology and is closely associated with the onset, progression, and phenotype of ND. But how could one protein form so many stable structures? Recently, atomic structural evidence has been rapidly mounting to depict the involvement of chemical modifications in the amyloid fibril formation. In this Perspective, we aim to present a hierarchical regulation of chemical modifications including covalent post-translational modifications (PTMs) and noncovalent cofactor binding in governing the polymorphic amyloid formation, based mainly on the latest alpha-synuclein and Tau fibril structures. We hope to emphasize the determinant role of chemical modifications in amyloid assembly and pathology and to evoke chemical biological approaches to lead the fundamental and therapeutic research on protein amyloid state and the associated NDs.
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