Cited by 98Genetics, Aging, and Longevity in Model OrganismsUbiquitin and proteasome pathwaysHeat shock proteins research

Proteasomal adaptation to environmental stress links resistance to proteotoxicity with longevity in Caenorhabditis elegans

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Yun, Chi, Stanhill, Ariel, Yang, Yun, Zhang, Yuhong, Haynes, Cole M., Xu, Chong-Feng, Neubert, Thomas A., Mor, Adam +2 more·2008·Proceedings of the National Academy of Sciences

Abstract

The burden of protein misfolding is believed to contribute to aging. However, the links between adaptations to conditions associated with protein misfolding and resistance to the time-dependent attrition of cellular function remain poorly understood. We report that worms lacking aip-1 , a homologue of mammalian AIRAP (arsenic-inducible proteasomal 19S regulatory particle-associated protein), are not only impaired in their ability to resist exposure to arsenite but also exhibit shortened lifespan and hypersensitivity to misfolding-prone proteins under normal laboratory conditions. Mammals have a second, constitutively expressed AIRAP-like gene (AIRAPL) that also encodes a proteasome-interacting protein, which shares with AIRAP the property of enhancing peptide accessibility to the proteasome's active site. Genetic rescue experiments suggest that features common to the constitutively expressed worm AIP-1 and mammalian AIRAPL (but missing in the smaller, arsenite-inducible AIRAP) are important to lifespan extension. In worms, a single AIRAP-related protein links proteasomal adaptation to environmental stress with resistance to both proteotoxic insults and maintenance of animal life span under normal conditions.

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  • Worms lacking AIP-1, a homologue of the regulatory mammalian subunit AIRAP, exhibit shortened lifespan and hypersensitivity to misfolding proteins.

    “worms lacking AIP-1, a homologue of the regulatory mammalian subunit AIRAP, exhibit shortened lifespan and hypersensitivity to misfolding proteins (Yun et al., 2008)”

    From Protein Homeostasis and Aging: the importance of exquisite quality control (2011) · cites this paper as Yun et al., 2008

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Authors
Yun, C., Stanhill, A., Yang, Y., Zhang, Y., Haynes, C. M., Xu, C.-F., Neubert, T. A., Mor, A., Philips, M. R., & Ron, D.
Affiliations
  • *The Kimmel Center for Biology and Medicine at the Skirball Institute for Biomolecular Medicine,
  • Technion – Israel Institute of Technology (IL)
  • New York University (US)
Venue
Proceedings of the National Academy of Sciences
Published
2008-05-13
Volume
105
Issue
19
Pages
7094-7099
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2024324790
Cited by
98
References
27
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 5 · 2022: 2 · 2021: 4 · 2020: 5 · 2019: 2 · 2018: 2 · 2017: 3 · 2016: 9 · 2015: 7 · 2014: 10 · 2013: 3 · 2012: 9
FWCI
3.20
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (1s10rr017990-01)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-47119, R37DK047119, F32-DK61179, R01DK047119, F32DK061179)
  • National Institute of Neurological Disorders and Stroke (NS050276, P30NS050276)
  • National Institute of Environmental Health Sciences (ES 08681, R01ES008681)
  • National Center for Research Resources (RR017990)
Topics
  • 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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
Keywords
proteasome, protein misfolding, proteotoxicity, lifespan extension, aging, arsenite resistance, 19S regulatory particle, Caenorhabditis elegans, genetic rescue, stress adaptation
MeSH terms
Adaptation, Physiological, Animals, Cell Line, Endoplasmic Reticulum, Environment, Humans, Intracellular Membranes, Longevity, Phenotype, Protein Binding, RNA-Binding Proteins, Caenorhabditis elegans, Sequence Homology, Amino Acid, Protein Folding, Arsenites, Caenorhabditis elegans Proteins, Proteasome Endopeptidase Complex, Mice

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