Cited by 194Cancer-related Molecular PathwaysCell death mechanisms and regulationPI3K/AKT/mTOR signaling in cancer

Deconstructing p53 transcriptional networks in tumor suppression

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Bieging, Kathryn T., Attardi, Laura D.·2012·Trends in Cell Biology

Abstract

p53 is a pivotal tumor suppressor that induces apoptosis, cell-cycle arrest and senescence in response to stress signals. Although p53 transcriptional activation is important for these responses, the mechanisms underlying tumor suppression have been elusive. To date, no single or compound mouse knockout of specific p53 target genes has recapitulated the dramatic tumor predisposition that characterizes p53-null mice. Recently, however, analysis of knock-in mice expressing p53 transactivation domain mutants has revealed a group of primarily novel direct p53 target genes that may mediate tumor suppression in vivo. We present here an overview of well-known p53 target genes and the tumor phenotypes of the cognate knockout mice, and address the recent identification of new p53 transcriptional targets and how they enhance our understanding of p53 transcriptional networks central for tumor suppression.

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  • Most p53 mutants in human tumours are transactivation-deficient, suggesting that blocking p53-dependent transcription is a crucial event in tumorigenesis.

    “Most p53 mutants in human tumours are transactivation-deficient, suggesting that blocking p53-dependent transcription is a crucial event in tumorigenesis1.”

    From MDM2, MDMX and p53 in oncogenesis and cancer therapy (2013) · cites this paper as [1]

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Authors
Bieging, K. T., & Attardi, L. D.
Affiliations
Stanford Medicine (US)
Corresponding author
Attardi, Laura D.
Venue
Trends in Cell Biology
Publisher
Elsevier BV
Published
2012-02
Volume
22
Issue
2
Pages
97-106
ISSN
0962-8924 (ISSN-L)
OpenAlex
W2017379014
Cited by
194
References
102
Citations by year
2026: 1 · 2025: 10 · 2024: 11 · 2023: 10 · 2022: 14 · 2021: 16 · 2020: 12 · 2019: 7 · 2018: 7 · 2017: 18 · 2016: 16 · 2015: 12 · 2014: 25 · 2013: 24 · 2012: 10
FWCI
1.73
Type
journal article
Language
en
Open access
Locations
  • Trends in Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Cancer Institute (T32CA009151, R01CA140875)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
Keywords
p53, tumor suppression, p53 target genes, transcriptional regulatory networks, p53 transactivation domain, knockout mice, apoptosis, cell cycle arrest, cellular senescence, stress response
MeSH terms
Animals, Humans, Neoplasms, Transcriptional Activation, Tumor Suppressor Protein p53, Apoptosis, Gene Regulatory Networks

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