Cited by 294Genetics, Aging, and Longevity in Model OrganismsTelomeres, Telomerase, and SenescenceMetabolism, Diabetes, and Cancer

Reduced Expression of MYC Increases Longevity and Enhances Healthspan

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Hofmann, Jeffrey W., Zhao, Xiaoai, De Cecco, Marco, Peterson, Abigail L., Pagliaroli, Luca, Manivannan, Jayameenakshi, Hubbard, Gene B., Ikeno, Yuji +12 more·2015·Cell

Abstract

MYC is a highly pleiotropic transcription factor whose deregulation promotes cancer. In contrast, we find that Myc haploinsufficient (Myc(+/-)) mice exhibit increased lifespan. They show resistance to several age-associated pathologies, including osteoporosis, cardiac fibrosis, and immunosenescence. They also appear to be more active, with a higher metabolic rate and healthier lipid metabolism. Transcriptomic analysis reveals a gene expression signature enriched for metabolic and immune processes. The ancestral role of MYC as a regulator of ribosome biogenesis is reflected in reduced protein translation, which is inversely correlated with longevity. We also observe changes in nutrient and energy sensing pathways, including reduced serum IGF-1, increased AMPK activity, and decreased AKT, TOR, and S6K activities. In contrast to observations in other longevity models, Myc(+/-) mice do not show improvements in stress management pathways. Our findings indicate that MYC activity has a significant impact on longevity and multiple aspects of mammalian healthspan.

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Authors
Hofmann, J. W., Zhao, X., De Cecco, M., Peterson, A. L., Pagliaroli, L., Manivannan, J., Hubbard, G. B., Ikeno, Y., Zhang, Y., Feng, B., Li, X., Serre, T., Qi, W., Van Remmen, H., Miller, R. A., Bath, K. G., de Cabo, R., Xu, H., Neretti, N., & Sedivy, J. M.
Affiliations
  • Brown University (US)
  • The University of Texas at San Antonio Health Science Center (US)
  • National Institute on Aging (US)
  • University of Michigan (US)
Corresponding author
Sedivy, John M.
Venue
Cell
Publisher
Elsevier BV
Published
2015-01
Volume
160
Issue
3
Pages
477-488
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2019755675
Cited by
293
References
118
Citations by year
2026: 12 · 2025: 21 · 2024: 23 · 2023: 35 · 2022: 30 · 2021: 34 · 2020: 38 · 2019: 24 · 2018: 17 · 2017: 24 · 2016: 21 · 2015: 14
FWCI
10.15
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Veterans Affairs (I01 BX002595)
  • National Institutes of Health (1s10od016366-01, 5p42es013660-14)
  • National Institute on Aging (R37AG016694, P01AG031736, F30AG035592, R01AG016694, P30AG024824, U01AG022303)
  • National Institute of General Medical Sciences (P30GM103410)
  • National Institute of Environmental Health Sciences (P42ES013660),)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
c-Myc, haploinsufficiency, longevity, healthspan, aging, ribosome biogenesis, mRNA translation, insulin-like growth factor I, AMPK, TOR signaling, S6K, immunosenescence, myocardial fibrosis, osteoporosis, lipid metabolism, metabolic rate, energy sensing
MeSH terms
Aging, Animals, Female, Longevity, Lymphoma, Male, Mice, Inbred C57BL, Proto-Oncogene Proteins c-myc, Body Size, Mice, Metabolic Networks and Pathways, Mice, 129 Strain, Transcriptome

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