Cited by 648Genetics, Aging, and Longevity in Model OrganismsPI3K/AKT/mTOR signaling in cancerMetabolism, Diabetes, and Cancer

TOR Signaling and Rapamycin Influence Longevity by Regulating SKN-1/Nrf and DAF-16/FoxO

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Robida-Stubbs, Stacey, Glover-Cutter, Kira, Lamming, Dudley W., Mizunuma, Masaki, Narasimhan, Sri Devi, Neumann-Haefelin, Elke, Sabatini, David M., Blackwell, T. Keith·2012·Cell Metabolism

Abstract

The TOR kinase, which is present in the functionally distinct complexes TORC1 and TORC2, is essential for growth but associated with disease and aging. Elucidation of how TOR influences life span will identify mechanisms of fundamental importance in aging and TOR functions. Here we show that when TORC1 is inhibited genetically in C. elegans, SKN-1/Nrf, and DAF-16/FoxO activate protective genes, and increase stress resistance and longevity. SKN-1 also upregulates TORC1 pathway gene expression in a feedback loop. Rapamycin triggers a similar protective response in C. elegans and mice, but increases worm life span dependent upon SKN-1 and not DAF-16, apparently by interfering with TORC2 along with TORC1. TORC1, TORC2, and insulin/IGF-1-like signaling regulate SKN-1 activity through different mechanisms. We conclude that modulation of SKN-1/Nrf and DAF-16/FoxO may be generally important in the effects of TOR signaling in vivo and that these transcription factors mediate an opposing relationship between growth signals and longevity.

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Crossref · 10.1016/j.cmet.2012.04.007

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Authors
Robida-Stubbs, S., Glover-Cutter, K., Lamming, D. W., Mizunuma, M., Narasimhan, S. D., Neumann-Haefelin, E., Sabatini, D. M., & Blackwell, T. K.
Affiliations
  • Joslin Diabetes Center (US)
  • Broad Institute (US)
  • Hiroshima University (JP)
Corresponding author
Blackwell, T. Keith
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2012-05
Volume
15
Issue
5
Pages
713-724
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2038120788
Cited by
648
References
68
Citations by year
2026: 26 · 2025: 41 · 2024: 60 · 2023: 52 · 2022: 49 · 2021: 60 · 2020: 37 · 2019: 40 · 2018: 39 · 2017: 52 · 2016: 43 · 2015: 46 · 2014: 46 · 2013: 45 · 2012: 12
FWCI
15.45
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • Elsevier eBooks
Funders
  • National Institutes of Health
  • Japan Society for the Promotion of Science (24580142)
  • National Institute on Aging (F32AG032833)
  • National Cancer Institute (CA129105, R01CA103866, R01CA129105)
  • National Institute of General Medical Sciences (R01GM062891, GM 62891)
  • National Institute of Diabetes and Digestive and Kidney Diseases (T32DK007260)
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 › PI3K/AKT/mTOR signaling in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
TOR signaling, TORC1, TORC2, rapamycin, longevity, aging, SKN-1, NRF, DAF-16, FOXO, stress tolerance, insulin/IGF-1 signaling, growth signals, Caenorhabditis elegans, feedback loops
MeSH terms
Animals, DNA-Binding Proteins, Insulin-Like Growth Factor I, Longevity, Male, Transcription Factors, Transcription, Genetic, Signal Transduction, Trans-Activators, Caenorhabditis elegans, Sirolimus, Caenorhabditis elegans Proteins, Mice, Forkhead Transcription Factors, TOR Serine-Threonine Kinases

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