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  • Title: Shaping proteostasis at the cellular, tissue, and organismal level.
    Author: Sala AJ, Bott LC, Morimoto RI.
    Journal: J Cell Biol; 2017 May 01; 216(5):1231-1241. PubMed ID: 28400444.
    Abstract:
    The proteostasis network (PN) regulates protein synthesis, folding, transport, and degradation to maintain proteome integrity and limit the accumulation of protein aggregates, a hallmark of aging and degenerative diseases. In multicellular organisms, the PN is regulated at the cellular, tissue, and systemic level to ensure organismal health and longevity. Here we review these three layers of PN regulation and examine how they collectively maintain cellular homeostasis, achieve cell type-specific proteomes, and coordinate proteostasis across tissues. A precise understanding of these layers of control has important implications for organismal health and could offer new therapeutic approaches for neurodegenerative diseases and other chronic disorders related to PN dysfunction.
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