Cited by 654Telomeres, Telomerase, and SenescenceCancer-related Molecular PathwaysGenetics, Aging, and Longevity in Model Organisms

Opposing effects of Ets and Id proteins on p16INK4a expression during cellular senescence

Ohtani, Naoko, Zebedee, Zoe, Huot, Thomas J. G., Stinson, Julie A., Sugimoto, Masataka, Ohashi, Yasuhiro, Sharrocks, Andrew D., Peters, Gordon +1 more·2001·Nature

Abstract

The p16INK4a cyclin-dependent kinase inhibitor is implicated in replicative senescence, the state of permanent growth arrest provoked by cumulative cell divisions or as a response to constitutive Ras-Raf-MEK signalling in somatic cells. Some contribution to senescence presumably underlies the importance of p16INK4a as a tumour suppressor but the mechanisms regulating its expression in these different contexts remain unknown. Here we demonstrate a role for the Ets1 and Ets2 transcription factors based on their ability to activate the p16INK4a promoter through an ETS-binding site and their patterns of expression during the lifespan of human diploid fibroblasts. The induction of p16INK4a by Ets2, which is abundant in young human diploid fibroblasts, is potentiated by signalling through the Ras-Raf-MEK kinase cascade and inhibited by a direct interaction with the helix-loop-helix protein Id1 (ref. 11). In senescent cells, where the Ets2 levels and MEK signalling decline, the marked increase in p16INK4a expression is consistent with the reciprocal reduction of Id1 and accumulation of Ets1.

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Crossref · 10.1038/35059131

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28 of 28 references verified0 citation errors · 0 not checkable

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  • Expression of Ets-1, a transcriptional activator of p16, correlated with p16 expression, although absolute levels of Ets-1 did not necessarily increase with age.

    “In addition, expression of Ets-1, a transcriptional activator of p16 (Ohtani et al., 2001), correlated with p16 expression, although absolute levels of Ets-1 did not necessarily increase with age (Krishnamurthy et al., 2004).”
  • Oncogene activation can upregulate p16 expression through the transcription factors Ets-1 and -2.

    “Oncogene activation can upregulate p16 expression through the transcription factors Ets-1 and -2 [17].”
  • These precancerous cells show phenotypes of cellular senescence through DNA replication stress and MAPK-mediated activation of p16 transcription.

    “These cells show phenotypes of cellular senescence [35] through DNA replication stress [36] and mitogen-activated protein kinase (MAPK)-mediated activation of p16 transcription [17].”

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Authors
Ohtani, N., Zebedee, Z., Huot, T. J. G., Stinson, J. A., Sugimoto, M., Ohashi, Y., Sharrocks, A. D., Peters, G., & Hara, E.
Affiliations
  • Cancer Research UK Manchester Institute (GB)
  • University of Manchester (GB)
  • Juntendo University (JP)
Corresponding author
Hara, Eiji
Venue
Nature
Published
2001-02
Volume
409
Issue
6823
Pages
1067-1070
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2035532250
Cited by
654
References
28
Citations by year
2026: 10 · 2025: 15 · 2024: 13 · 2023: 9 · 2022: 24 · 2021: 12 · 2020: 14 · 2019: 15 · 2018: 15 · 2017: 18 · 2016: 17 · 2015: 20 · 2014: 21 · 2013: 27 · 2012: 20
FWCI
29.89
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • U.S. Department of Energy
  • Wellcome Trust
  • Institute of Molecular and Cell Biology
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
p16INK4a, cellular senescence, replicative senescence, ETS1, ETS2, Id1, helix-loop-helix proteins, transcriptional regulation, Ets binding site, human diploid fibroblasts, tumour suppressor, growth arrest
MeSH terms
Animals, Cell Line, DNA-Binding Proteins, Fibroblasts, Gene Expression Regulation, Humans, Promoter Regions, Genetic, Protein Binding, Proto-Oncogene Proteins, Repressor Proteins, Transcription Factors, Trans-Activators, Cellular Senescence, Protein Serine-Threonine Kinases, ras Proteins, Proto-Oncogene Proteins c-raf, Cyclin-Dependent Kinase Inhibitor p16, MAP Kinase Signaling System, MAP Kinase Kinase Kinase 1, Proto-Oncogene Proteins c-ets, Proto-Oncogene Protein c-ets-1, Proto-Oncogene Protein c-ets-2, Mice, Inhibitor of Differentiation Protein 1

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