TRIM11 Prevents and Reverses Protein Aggregation and Rescues a Mouse Model of Parkinson's Disease.
TRIM11 Prevents and Reverses Protein Aggregation and Rescues a Mouse Model of Parkinson's Disease.
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DOI:
10.1016/j.celrep.2020.108418
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发表时间:
2020-12-01
期刊:
影响因子:
8.8
通讯作者:
Yang X
中科院分区:
文献类型:
--
作者:
Zhu G;Harischandra DS;Ghaisas S;Zhang P;Prall W;Huang L;Maghames C;Guo L;Luna E;Mack KL;Torrente MP;Luk KC;Shorter J;Yang X
Neurodegenerative diseases are characterized by the formation and propagation of protein aggregates especially amyloid fibrils. However, what normally suppresses protein misfolding and aggregation in metazoan cells remains incompletely understood. Here we show that TRIM11, a member of metazoan tripartite motif (TRIM) family, both prevents formation of protein aggregates and dissolves pre-existing protein deposits, including amyloid fibrils. These molecular chaperone and disaggregase activities are ATP independent. They enhance folding and solubility of normal proteins and cooperate with TRIM11 SUMO ligase activity to degrade aberrant proteins. TRIM11 abrogates α-synuclein fibrillization and restores viability in cell models of Parkinson’s disease (PD). Intracranial adeno-associated viral delivery of TRIM11 mitigates α-synuclein-mediated pathology, neurodegeneration, and motor impairments in a PD mouse model. Other TRIMs can also function as ATP-independent molecular chaperones and disaggregases. Thus, we define TRIMs as a potent and multifunctional protein quality control system in metazoa, which might be applied to treat neurodegenerative diseases.
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