Cited by 1,078Autophagy in Disease and TherapyTelomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model Organisms

Autophagy mediates the mitotic senescence transition

Open access
Young, Andrew R.J., Narita, Masako, Ferreira, Manuela, Kirschner, Kristina, Sadaie, Mahito, Darot, Jeremy F.J., Tavaré, Simon, Arakawa, Satoko +3 more·2009·Genes & Development

Abstract

As a stress response, senescence is a dynamic process involving multiple effector mechanisms whose combination determines the phenotypic quality. Here we identify autophagy as a new effector mechanism of senescence. Autophagy is activated during senescence and its activation is correlated with negative feedback in the PI3K–mammalian target of rapamycin (mTOR) pathway. A subset of autophagy-related genes are up-regulated during senescence: Overexpression of one of those genes, ULK3, induces autophagy and senescence. Furthermore, inhibition of autophagy delays the senescence phenotype, including senescence-associated secretion. Our data suggest that autophagy, and its consequent protein turnover, mediate the acquisition of the senescence phenotype.

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Crossref · 10.1101/gad.519709

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39 of 39 references verified0 citation errors · 0 not checkable

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  • The functional relevance of autophagy in senescence varies depending on cell type and senescence triggers.

    “Some studies have touched on the functional relevance of autophagy in senescence, where its role appears to vary depending on cell type and senescence triggers (Patschan et al. 2007; Young et al. 2009; Leidal et al. 2012; Mosieniak et al. 2012; Singh et al. 2012; Dörr et al. 2013).”

    From Cellular senescence and its effector programs (2014) · cites this paper as Young et al. 2009

    The introduction (page not provided) says the relative contribution of senescence effectors varies with trigger and cell type, and the Results and Discussion show that autophagy contributes to senescence establishment. The paper does not show that autophagy’s own role in senescence varies across cell types or triggers. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • In preclinical models, proteotoxic stress not only drives entry into a senescent state, but also activates autophagy, which buffers toxicity from misfolded SASP factors.

    “In preclinical models, proteotoxic stress not only drives entry into a senescent state, but also activates autophagy, which consequently buffers toxicity from misfolded SASP factors 44,45 .”

    From Senescence and cancer — role and therapeutic opportunities (2022) · cites this paper as [44]

    The Results and Discussion (page not provided) report that autophagy is activated during oncogene-induced senescence and that inhibiting it delays production of the secreted factors IL6 and IL8. The paper does not establish that proteotoxic stress drives senescence or activates autophagy, or that autophagy buffers toxicity from misfolded SASP factors. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • The kinetics of these gene expression changes were similar to that of SASP components, implying some level of correlation between autophagy and the SASP.

    “The kinetics of these gene expression changes were similar to that of SASP components, implying some level of correlation between autophagy and the SASP.”

    From Cellular senescence and its effector programs (2014) · cites this paper as Young et al. 2009

  • Autophagy is activated during the dynamic phase of OIS in HDFs, accompanied by concerted up-regulation of genes involved in autophagy and lysosomal biogenesis.

    “We recently showed that autophagy is activated during the dynamic phase of OIS in HDFs, which was accompanied by a concerted up-regulation of genes involved in both autophagy and lysosomal biogenesis (Young et al. 2009).”

    From Cellular senescence and its effector programs (2014) · cites this paper as Young et al. 2009

  • Inhibition of autophagy suppressed production of both IL6 and IL8 and delayed establishment of senescence.

    “Indeed, inhibition of autophagy suppressed the production of both IL6 and IL8 and delayed the establishment of senescence.”

    From Cellular senescence and its effector programs (2014) · cites this paper as Young et al. 2009

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Authors
Young, A. R. J., Narita, M., Ferreira, M., Kirschner, K., Sadaie, M., Darot, J. F. J., Tavaré, S., Arakawa, S., Shimizu, S., Watt, F. M., & Narita, M.
Affiliations
  • Cancer Research UK (GB)
  • European Bioinformatics Institute (GB)
  • Tokyo Medical and Dental University (JP)
Venue
Genes & Development
Published
2009-03-11
Volume
23
Issue
7
Pages
798-803
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2113995129
Cited by
1,078
References
39
Citations by year
2026: 19 · 2025: 36 · 2024: 53 · 2023: 56 · 2022: 62 · 2021: 90 · 2020: 64 · 2019: 52 · 2018: 70 · 2017: 64 · 2016: 78 · 2015: 60 · 2014: 78 · 2013: 86 · 2012: 72
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • Cancer Research UK (19556)
  • University of Cambridge
Topics
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
autophagy, cellular senescence, PI3K/mTOR pathway, ULK3, protein turnover, negative feedback regulation, autophagy-related genes
MeSH terms
Aging, Autophagy, Gene Expression Regulation, Humans, Immunohistochemistry, Microtubule-Associated Proteins, Mitosis, Neoplasms, Protein Kinases, Protein Serine-Threonine Kinases, Feedback, Physiological, TOR Serine-Threonine Kinases

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