Cited by 116Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsNeuroinflammation and Neurodegeneration Mechanisms

Are there roles for brain cell senescence in aging and neurodegenerative disorders?

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Tan, Florence C. C., Hutchison, Emmette R., Eitan, Erez, Mattson, Mark P.·2014·Biogerontology

Abstract

The term cellular senescence was introduced more than five decades ago to describe the state of growth arrest observed in aging cells. Since this initial discovery, the phenotypes associated with cellular senescence have expanded beyond growth arrest to include alterations in cellular metabolism, secreted cytokines, epigenetic regulation and protein expression. Recently, senescence has been shown to play an important role in vivo not only in relation to aging, but also during embryonic development. Thus, cellular senescence serves different purposes and comprises a wide range of distinct phenotypes across multiple cell types. Whether all cell types, including post-mitotic neurons, are capable of entering into a senescent state remains unclear. In this review we examine recent data that suggest that cellular senescence plays a role in brain aging and, notably, may not be limited to glia but also neurons. We suggest that there is a high level of similarity between some of the pathological changes that occur in the brain in Alzheimer's and Parkinson's diseases and those phenotypes observed in cellular senescence, leading us to propose that neurons and glia can exhibit hallmarks of senescence previously documented in peripheral tissues.

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  • Data show that various parts of the brain in patients with neurodegenerative diseases are characterised by increased expression of senescence markers.

    “Data have shown that various parts of the brain in patients with neurodegenerative diseases are characterised by increased expression of senescence markers.70”

    From The costs and benefits of senotherapeutics for human health (2022) · cites this paper as [70]

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Authors
Tan, F. C. C., Hutchison, E. R., Eitan, E., & Mattson, M. P.
Affiliations
National Institute on Aging (US)
Corresponding author
  • Hutchison, Emmette R.
  • Eitan, Erez
Venue
Biogerontology
Published
2014-10-11
Volume
15
Issue
6
Pages
643-660
ISSN
  • 1389-5729 (ISSN-L)
  • 1573-6768
OpenAlex
W1977085416
Cited by
116
References
191
Citations by year
2026: 3 · 2025: 6 · 2024: 4 · 2023: 8 · 2022: 14 · 2021: 12 · 2020: 15 · 2019: 16 · 2018: 19 · 2017: 10 · 2016: 4 · 2015: 2 · 2014: 2
FWCI
0.70
Type
journal article
Language
en
Open access
Locations
  • Biogerontology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (Z99 AG999999)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
cellular senescence, brain aging, neurodegenerative diseases, Alzheimer's disease, Parkinson's disease, neuronal senescence, senescence-associated secretory phenotype, epigenetic regulation, postmitotic neurons, embryonic development
MeSH terms
Aged, Aging, Animals, Brain, Humans, Neuroglia, Neurons, Cellular Senescence, Neurodegenerative Diseases, Epigenesis, Genetic, Mice

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