Cited by 177Telomeres, Telomerase, and SenescenceCancer-related Molecular PathwaysGenomics and Chromatin Dynamics

Regulation of E2Fs and senescence by PML nuclear bodies

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Vernier, Mathieu, Bourdeau, Véronique, Gaumont-Leclerc, Marie-France, Moiseeva, Olga, Bégin, Virginie, Saad, Fred, Mes-Masson, Anne-Marie, Ferbeyre, Gerardo·2011·Genes & Development

Abstract

The tumor suppressor PML (promyelocytic leukemia protein) regulates cellular senescence and terminal differentiation, two processes that implicate a permanent exit from the cell cycle. Here, we show that the mechanism by which PML induces a permanent cell cycle exit and activates p53 and senescence involves a recruitment of E2F transcription factors bound to their promoters and the retinoblastoma (Rb) proteins to PML nuclear bodies enriched in heterochromatin proteins and protein phosphatase 1α. Blocking the functions of the Rb protein family or adding back E2Fs to PML-expressing cells can rescue their defects in E2F-dependent gene expression and cell proliferation, inhibiting the senescent phenotype. In benign prostatic hyperplasia, a neoplastic disease that displays features of senescence, PML was found to be up-regulated and forming nuclear bodies. In contrast, PML bodies were rarely visualized in prostate cancers. The newly defined PML/Rb/E2F pathway may help to distinguish benign tumors from cancers, and suggest E2F target genes as potential targets to induce senescence in human tumors.

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Crossref · 10.1101/gad.1975111

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  • PML and ERK were found in benign human prostatic hyperplasia-derived samples.

    “PML and ERK were found in benign human prostatic hyperplasia- derived samples 85,86 .”

    From Senescence and cancer — role and therapeutic opportunities (2022) · cites this paper as [85]

    The section on PML body formation in benign prostatic hyperplasia (page unavailable) reports stronger PML staining and numerous PML bodies in human BPH samples. The Immunohistochemistry section (page unavailable) describes staining those samples for PML and p16INK4a, but does not report finding ERK in them; a search for ERK found no supporting passage. (LLM, conf=0.90)

    Experimental — accuracy not yet measured
  • PML bodies can be non-exclusive biomarkers of cellular senescence.

    “Similarly, PML bodies act as sensors of ROS and oxidative damage (Niwa-Kawakita et al., 2017) and can also be non-exclusive biomarkers of cellular senescence (Vernier et al., 2011).”

    From Cellular Senescence: Defining a Path Forward (2019) · cites this paper as Vernier et al., 2011

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Authors
Vernier, M., Bourdeau, V., Gaumont-Leclerc, M.-F., Moiseeva, O., Bégin, V., Saad, F., Mes-Masson, A.-M., & Ferbeyre, G.
Affiliations
Université de Montréal (CA)
Venue
Genes & Development
Published
2011-01-01
Volume
25
Issue
1
Pages
41-50
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2156150950
Cited by
177
References
60
Citations by year
2026: 3 · 2025: 10 · 2024: 6 · 2023: 5 · 2022: 8 · 2021: 10 · 2020: 11 · 2019: 12 · 2018: 17 · 2017: 8 · 2016: 15 · 2015: 11 · 2014: 19 · 2013: 20 · 2012: 14
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
PML nuclear bodies, cellular senescence, E2F transcription factors, retinoblastoma protein, p53 activation, cell cycle exit, heterochromatin, benign prostatic hyperplasia, prostate cancer, tumor suppressor, E2F target genes, terminal differentiation
MeSH terms
Promyelocytic Leukemia Protein, Cell Nucleus, Gene Expression Regulation, Humans, Male, Nuclear Proteins, Prostatic Hyperplasia, Transcription Factors, Cellular Senescence, Protein Transport, Tumor Suppressor Proteins, Cell Line, Tumor, E2F Transcription Factors

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