Cited by 334Telomeres, Telomerase, and SenescenceMitochondrial Function and PathologyGenetics, Aging, and Longevity in Model Organisms

Cellular senescence: all roads lead to mitochondria

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Martini, Hélène, Passos, João F.·2023·The FEBS Journal

Abstract

Senescence is a multi‐functional cell fate, characterized by an irreversible cell‐cycle arrest and a pro‐inflammatory phenotype, commonly known as the senescence‐associated secretory phenotype (SASP). Emerging evidence indicates that accumulation of senescent cells in multiple tissues drives tissue dysfunction and several age‐related conditions. This has spurred the academic community and industry to identify new therapeutic interventions targeting this process. Mitochondrial dysfunction is an often‐unappreciated hallmark of cellular senescence which plays important roles not only in the senescence growth arrest but also in the development of the SASP and resistance to cell‐death. Here, we review the evidence that supports a role for mitochondria in the development of senescence and describe the underlying mechanisms. Finally, we propose that a detailed road map of mitochondrial biology in senescence will be crucial to guide the future development of senotherapies.

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  • Senescent cell fate can be triggered by many stressors, including DNA damage, oncogene activation, mitochondrial dysfunction, reactive metabolites, oxygen extremes, proteotoxic stress, extracellular signals, infections, mechanical or shear stress, resistance exercise, and factors secreted by other senescent cells.

    “The senescent cell fate can be triggered by a number of stressors including DNA damage, cancerous mutations or oncogene activation, mitochondrial dysfunction, reactive metabolites, hyperoxia or hypoxia, proteotoxic stress, extracellular signals, infections, mechanical or shear stresses that deform cells, resistance exercise and factors secreted by other senescent cells18,38–47.”

    From Cellular senescence and senolytics: the path to the clinic (2022) · cites this paper as [46]

    The Introduction (page not provided) names DNA-damaging agents, oncogene activation, and mitochondrial dysfunction as senescence triggers, and says the senescence-associated secretory phenotype can transmit senescence to healthy cells. The cited paper does not support the full list attributed to it: the passages do not establish oxygen extremes, infections, mechanical or shear stress, or resistance exercise as triggers. (LLM, conf=0.88)

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Authors
Martini, H., & Passos, J. F.
Affiliations
Mayo Clinic (US)
Corresponding author
Passos, João F.
Venue
The FEBS Journal
Publisher
Wiley
Published
2022-01-30
Volume
290
Issue
5
Pages
1186-1202
ISSN
  • 1742-464X (ISSN-L)
  • 1742-4658
OpenAlex
W4206639971
Cited by
334
References
155
Citations by year
2026: 74 · 2025: 104 · 2024: 70 · 2023: 67 · 2022: 18 · 2020: 1
FWCI
8.91
Type
journal article
Language
en
Open access
Locations
  • FEBS Journal (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (1UG3CA 268103‐1)
  • National Institute on Aging (1R01AG 68048‐1, P01AG 62413‐1)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
cellular senescence, mitochondria, mitochondrial dysfunction, senescence-associated secretory phenotype, cell cycle arrest, pro-inflammatory phenotype, senolytics, senotherapy, tissue dysfunction, aging
MeSH terms
Mitochondria, Phenotype, Cellular Senescence

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