Cited by 458Cancer-related Molecular PathwaysTelomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model Organisms

The p53 network: cellular and systemic DNA damage responses in aging and Cancer

Open access
Reinhardt, H. Christian, Schumacher, Björn·2012·Trends in Genetics

Abstract

Genome instability contributes to cancer development and accelerates age-related pathologies as evidenced by a variety of congenital cancer susceptibility and progeroid syndromes that are caused by defects in genome maintenance mechanisms. DNA damage response (DDR) pathways that are mediated through the tumor suppressor p53 play an important role in the cell-intrinsic responses to genome instability, including a transient cell cycle arrest, senescence and apoptosis. Both senescence and apoptosis are powerful tumor-suppressive pathways preventing the uncontrolled proliferation of transformed cells. However, both pathways can potentially deplete stem and progenitor cell pools, thus promoting tissue degeneration and organ failure, which are both hallmarks of aging. p53 signaling is also involved in mediating non-cell-autonomous interactions with the innate immune system and in the systemic adjustments during the aging process. The network of p53 target genes thus functions as an important regulator of cancer prevention and aging.

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Crossref · 10.1016/j.tig.2011.12.002

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  • p53 is a key transcription factor that modulates many DNA damage responses.

    “The p53 tumor-suppressor protein is a key transcription factor that modulates many DNA damage responses and has thus been called the ‘Guardian of the Genome’.”
  • p53 can mount a bimodal response to stress: activate apoptosis via transcriptional targets like Bax, Puma, and Noxa, or promote transient or prolonged cell cycle arrest through p21CIP1.

    “p53 can mount a bimodal response to stress where it functions to activate apoptosis via various transcriptional targets like Bax, Puma, and Noxa, or promote transient or prolonged cell cycle arrest through transcriptional activation of the cyclin-dependent kinase inhibitor p21CIP1 (Reinhardt and Schumacher, 2012).”

    From DNA damage-how and why we age? (2021) · cites this paper as Reinhardt and Schumacher, 2012

  • Progeroid syndromes have provided important clues about the causative abnormalities underlying immunosenescence.

    “Such progeroid syndromes have provided important clues as to the causative abnormalities underlying the immunosenescence process [69].”

    From T-cell aging in rheumatoid arthritis (2014) · cites this paper as [69]

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Research works printed but not linked: 2

  1. [24]Maier B Modulation of mammalian life span by the short isoform of p53 Genes Dev 2004 18 306 319 14871929 PMC338283
  2. [61]Rodier F Campisi J Four faces of cellular senescence J Cell Biol 192 547 556 21321098 PMC3044123

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Authors
Reinhardt, H. C., & Schumacher, B.
Affiliations
University of Cologne (DE)
Corresponding author
  • Reinhardt, H. Christian
  • Schumacher, Björn
Venue
Trends in Genetics
Publisher
Elsevier BV
Published
2012-03
Volume
28
Issue
3
Pages
128-136
ISSN
0168-9525 (ISSN-L)
OpenAlex
W2012099961
Cited by
458
References
101
Citations by year
2026: 11 · 2025: 21 · 2024: 12 · 2023: 16 · 2022: 30 · 2021: 29 · 2020: 32 · 2019: 37 · 2018: 32 · 2017: 37 · 2016: 38 · 2015: 41 · 2014: 49 · 2013: 50 · 2012: 22
FWCI
5.33
Type
journal article
Language
en
Open access
Locations
  • Trends in Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
p53, DNA damage response, genomic instability, aging, cancer, senescence, apoptosis, cell cycle arrest, p53 target genes, innate immunity, stem cell depletion, progeroid syndromes, cancer predisposition syndromes, tissue degeneration
MeSH terms
Aging, Animals, Disease Susceptibility, DNA Damage, Humans, Neoplasms, Signal Transduction, Tumor Suppressor Protein p53

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