Cited by 160Telomeres, Telomerase, and SenescenceMitochondrial Function and PathologyGenetics, Aging, and Longevity in Model Organisms

Mitochondria: Are they causal players in cellular senescence?

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Correia-Melo, Clara, Passos, João F.·2015·Biochimica et Biophysica Acta (BBA) - Bioenergetics

Abstract

Cellular senescence entails an irreversible cell-cycle arrest characterised by drastic cytomorphological and metabolic changes. In recent years, the implications of cellular senescence in physiological and pathological settings, such as ageing and cancer, have gained firm ground. It is, therefore, important to understand the mechanisms underpinning the establishment and maintenance of senescence. Age-dependent alterations in cellular metabolic processes are greatly driven by changes in mitochondrial function and homeostasis. Classically, mitochondrial dysfunction has been implicated in cellular senescence mainly by promoting oxidative damage-induced cell-cycle arrest; however, emerging data suggests that other mitochondrial-dependent factors play an important role in the induction of senescent phenotypes. Here we review the role of mitochondrial homeostatic mechanisms, mitochondrial metabolites and ROS generation in the signalling pathways leading to the induction and maintenance of cellular senescence and discuss how this may contribute to the ageing process. This article is part of a Special Issue entitled: Mitochondrial Dysfunction in Aging.

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Crossref · 10.1016/j.bbabio.2015.05.017

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  • Cellular senescence appeared to mainly be a consequence of telomere shortening, but this assumption has gradually been evolved by numerous studies showing that the senescent phenotype derived also from other stresses such as oxidative stress, genomic damage, and activation of inflammatory features.

    “At first, cellular senescence appeared to mainly be a consequence of the telomere shortening [102], but this assumption has gradually been evolved by numerous studies showing that the senescent phenotype derived also from other stresses such as oxidative stress, genomic damage, and activation of inflammatory features (Figure 1) [103].”

    From Role of Age-Related Mitochondrial Dysfunction in Sarcopenia (2020) · cites this paper as [103]

  • Senescent cells show disturbed mitochondrial metabolite balance and reduced fatty acid oxidation, causing lipids to accumulate.

    “Moreover, cells undergoing senescence display altered mitochondrial metabolite homeostasis96, as well as decreased fatty acid oxidation, leading to accumulation of lipids97.”

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Authors
Correia-Melo, C., & Passos, J. F.
Affiliations
Newcastle University (GB)
Corresponding author
Passos, João F.
Venue
Biochimica et Biophysica Acta (BBA) - Bioenergetics
Publisher
Elsevier BV
Published
2015-11
Volume
1847
Issue
11
Pages
1373-1379
ISSN
0005-2728 (ISSN-L)
OpenAlex
W2173281420
Cited by
160
References
141
Citations by year
2026: 8 · 2025: 9 · 2024: 11 · 2023: 15 · 2022: 16 · 2021: 12 · 2020: 21 · 2019: 8 · 2018: 20 · 2017: 10 · 2016: 24 · 2015: 6
FWCI
2.44
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Bioenergetics (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
BBSRC (BB/K017314/1)
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, mitochondrial homeostasis, mitochondrial metabolites, reactive oxygen species, oxidative damage, cell cycle arrest, aging, cancer
MeSH terms
Animals, Electron Transport, Homeostasis, Humans, Mitochondria, Cellular Senescence, Reactive Oxygen Species

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