Cited by 1,472Heat shock proteins researchGenetics, Aging, and Longevity in Model OrganismsUbiquitin and proteasome pathways

The Biology of Proteostasis in Aging and Disease

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Labbadia, Johnathan, Morimoto, Richard I·2015·Annual Review of Biochemistry

Abstract

Loss of protein homeostasis (proteostasis) is a common feature of aging and disease that is characterized by the appearance of nonnative protein aggregates in various tissues. Protein aggregation is routinely suppressed by the proteostasis network (PN), a collection of macromolecular machines that operate in diverse ways to maintain proteome integrity across subcellular compartments and between tissues to ensure a healthy life span. Here, we review the composition, function, and organizational properties of the PN in the context of individual cells and entire organisms and discuss the mechanisms by which disruption of the PN, and related stress response pathways, contributes to the initiation and progression of disease. We explore emerging evidence that disease susceptibility arises from early changes in the composition and activity of the PN and propose that a more complete understanding of the temporal and spatial properties of the PN will enhance our ability to develop effective treatments for protein conformational diseases.

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Authors
Labbadia, J., & Morimoto, R. I.
Affiliations
  • Department of Molecular Biosciences, Rice Institute for Biomedical Research, Northwestern University, Evanston, Illinois 60208;
  • Northwestern University (US)
Corresponding author
Morimoto, Richard I
Venue
Annual Review of Biochemistry
Published
2015-06-02
Volume
84
Issue
1
Pages
435-464
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2152231829
Cited by
1,472
References
182
Citations by year
2026: 142 · 2025: 127 · 2024: 150 · 2023: 152 · 2022: 140 · 2021: 148 · 2020: 143 · 2019: 139 · 2018: 136 · 2017: 106 · 2016: 69 · 2015: 19
FWCI
10.55
Type
journal article
Language
en
Open access
Locations
  • Annual Review of Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Ellison Medical Foundation
  • National Institutes of Health (5p50mh094267-05)
  • National Institute on Aging (R37AG026647, R01AG026647)
  • National Institute of Mental Health (P50-MH094267)
  • National Institute of General Medical Sciences (P50GM081892, R01GM038109, R37GM038109)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
proteostasis, proteostasis network, aging, protein aggregation, stress response pathways, protein conformational diseases, disease susceptibility, lifespan
MeSH terms
Aging, Animals, Humans, Proteins, Neurodegenerative Diseases, Metabolic Networks and Pathways, Proteolysis, Endoplasmic Reticulum Stress

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