Journal
AUTOPHAGY
Volume 5, Issue 3, Pages 428-429Publisher
LANDES BIOSCIENCE
DOI: 10.4161/auto.5.3.7894
Keywords
molecular chaperones; protein aggregation; aggresomes; protein degradation; stress-mediated autophagy; protein synthesis; eIF2 alpha phosphorylation; viral factories; viral infection
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The recently discovered HspB8-Bag3 complex participates in protein quality control through a mechanism that requires the activation of the eIF2 alpha signaling pathway and that leads to protein synthesis inhibition and autophagy stimulation. Both processes help to protect the cells against the accumulation of aggregate-prone proteins, which may be relevant in many protein-conformational neurodegenerative disorders. Besides, this activity of HspB8-Bag3 may have important implications during viral infection.
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