Cited by 575Cancer-related Molecular PathwaysGenomics and Chromatin DynamicsChromatin Remodeling and Cancer

Transcriptional Regulation by P53

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Beckerman, R., Prives, C.·2010·Cold Spring Harbor Perspectives in Biology

Abstract

Inactivation of p53 is critical for the formation of most tumors. Illumination of the key function(s) of p53 protein in protecting cells from becoming cancerous is therefore a worthy goal. Arguably p53's most important function is to act as a transcription factor that directly regulates perhaps several hundred of the cell's RNA polymerase II (RNAP II)-transcribed genes, and indirectly regulates thousands of others. Indeed p53 is the most well studied mammalian transcription factor. The p53 tetramer binds to its response element where it can recruit diverse transcriptional coregulators such as histone modifying enzymes, chromatin remodeling factors, subunits of the mediator complex, and components of general transcription machinery and preinitiation complex (PIC) to modulate RNAPII activity at target loci (Laptenko and Prives 2006). The p53 transcriptional program is regulated in a stimulus-specific fashion (Murray-Zmijewski et al. 2008; Vousden and Prives 2009), whereby distinct subsets of p53 target genes are induced in response to different p53-activating agents, likely allowing cells to tailor their response to different types of stress. How p53 is able to discriminate between these different loci is the subject of intense research. Here, we describe key aspects of the fundamentals of p53-mediated transcriptional regulation and target gene promoter selectivity.

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  • The prevailing function of the p53 tumor suppressor is the transcriptional control of target genes that regulate numerous cellular processes, including cell cycle and apoptosis.

    “The prevailing function of the p53 tumor suppressor is the transcriptional control of target genes that regulate numerous cellular processes, including cell cycle and apoptosis.5, 6”

    From Census and evaluation of p53 target genes (2017) · cites this paper as [6]

  • p53 functions primarily as a transcription factor.

    “The tumor suppressor p53 functions primarily as a transcription factor.”

    From Census and evaluation of p53 target genes (2017) · cites this paper as [6]

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Authors
Beckerman, R., & Prives, C.
Affiliations
Columbia University (US)
Venue
Cold Spring Harbor Perspectives in Biology
Published
2010-04-28
Volume
2
Issue
8
Pages
a000935-a000935
ISSN
1943-0264 (ISSN-L)
OpenAlex
W2138566050
Cited by
569
References
191
Citations by year
2026: 9 · 2025: 18 · 2024: 24 · 2023: 21 · 2022: 40 · 2021: 32 · 2020: 43 · 2019: 30 · 2018: 40 · 2017: 53 · 2016: 59 · 2015: 39 · 2014: 59 · 2013: 43 · 2012: 34
Type
posted content
Language
en
Open access
Locations
  • Cold Spring Harbor Perspectives in Biology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Natural Sciences and Engineering Research Council of Canada
  • National Cancer Institute (CA-87497, P01CA087497, R01CA077742, CA77742)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
p53, transcriptional regulation, transcription factors, RNA polymerase II, p53 target genes, promoter selectivity, p53 response elements, transcriptional coregulators, histone-modifying enzymes, chromatin remodeling, Mediator complex, preinitiation complex, tumor suppression, stress response
MeSH terms
Animals, Chromatin, Gene Expression Regulation, Humans, Models, Biological, Neoplasms, Promoter Regions, Genetic, RNA Polymerase II, Transcription, Genetic, Signal Transduction, Gene Expression Regulation, Neoplastic, Genes, p53, Tumor Suppressor Protein p53, Response Elements

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