Cited by 1,149Heat shock proteins researchEndoplasmic Reticulum Stress and DiseaseProtein purification and stability

Biological and Chemical Approaches to Diseases of Proteostasis Deficiency

Powers, Evan T., Morimoto, Richard I., Dillin, Andrew, Kelly, Jeffery W., Balch, William E.·2009·Annual Review of Biochemistry

Abstract

Many diseases appear to be caused by the misregulation of protein maintenance. Such diseases of protein homeostasis, or "proteostasis," include loss-of-function diseases (cystic fibrosis) and gain-of-toxic-function diseases (Alzheimer's, Parkinson's, and Huntington's disease). Proteostasis is maintained by the proteostasis network, which comprises pathways that control protein synthesis, folding, trafficking, aggregation, disaggregation, and degradation. The decreased ability of the proteostasis network to cope with inherited misfolding-prone proteins, aging, and/or metabolic/environmental stress appears to trigger or exacerbate proteostasis diseases. Herein, we review recent evidence supporting the principle that proteostasis is influenced both by an adjustable proteostasis network capacity and protein folding energetics, which together determine the balance between folding efficiency, misfolding, protein degradation, and aggregation. We review how small molecules can enhance proteostasis by binding to and stabilizing specific proteins (pharmacologic chaperones) or by increasing the proteostasis network capacity (proteostasis regulators). We propose that such therapeutic strategies, including combination therapies, represent a new approach for treating a range of diverse human maladies.

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Crossref · 10.1146/annurev.biochem.052308.114844

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173 of 173 references verified0 citation errors · 0 not checkable

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  • Protein quality control is regulated by a complex network that monitors protein concentration, subcellular location, and folding, including molecular chaperones, folding enzymes, and degradation pathways.

    “Protein quality control is regulated by a complex protein network that monitors the concentration, subcellular location and folding of proteins and includes molecular chaperones and folding enzymes, as well as pathways that drive protein degradation when needed, through the proteasome, lysosome and autophagy pathways69–71.”
  • Proteostasis pathways are essential for development and for most cellular functions, including replication, metabolic catalysis, cellular architecture, signaling, and immune responses.

    “Proteostasis is essential for development and for most cellular functions, including replication of genetic material, catalysis of metabolic reactions, maintenance of cellular architecture, signaling and immune responses69,70.”

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Authors
Powers, E. T., Morimoto, R. I., Dillin, A., Kelly, J. W., & Balch, W. E.
Affiliations
  • Scripps Research Institute (US)
  • Northwestern University (US)
  • Salk Institute for Biological Studies (US)
Venue
Annual Review of Biochemistry
Published
2009-06-01
Volume
78
Issue
1
Pages
959-991
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2156576736
Cited by
1,149
References
173
Citations by year
2026: 35 · 2025: 33 · 2024: 46 · 2023: 57 · 2022: 65 · 2021: 62 · 2020: 80 · 2019: 79 · 2018: 75 · 2017: 69 · 2016: 72 · 2015: 63 · 2014: 86 · 2013: 83 · 2012: 68
FWCI
6.22
Type
journal article
Language
en
Open access
closed
Locations
  • Annual Review of Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (AG 018917, AG 026647, R01AG018917, P01AG031097, R01AG026647, AG 031097)
  • National Heart, Lung, and Blood Institute (HL 079442, R01HL079442)
  • National Institute of General Medical Sciences (R01GM042336, GM033301, GM081192, GM 038109, R01GM038109, R01GM033301, GM 042336)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK046335, DK 05187, T32DK007529, DK-07529)
  • National Institute of Neurological Disorders and Stroke (NS-047331, R01NS047331)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Endoplasmic Reticulum Stress and Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
Keywords
proteostasis, proteostasis network, protein folding energetics, protein misfolding, protein aggregation, protein degradation, small molecule drugs, cystic fibrosis, Alzheimer's disease, Parkinson's disease, Huntington's disease, combination therapy, aging
MeSH terms
Animals, Brain Diseases, Cystic Fibrosis, Humans, Protein Conformation, Proteins, Protein Folding, Molecular Chaperones, Protein Stability

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