Cited by 123Cancer-related Molecular PathwaysCell death mechanisms and regulationHeat shock proteins research

Mutant p53 gain of function: repression of CD95(Fas/APO-1) gene expression by tumor-associated p53 mutants

Zalcenstein, Amir, Stambolsky, Perry, Weisz, Lilach, Müller, Martina, Wallach, David, Goncharov, Tanya M, Krammer, Peter H, Rotter, Varda +1 more·2003·Oncogene

Abstract

Tumor-associated mutant forms of p53 can exert an antiapoptotic gain of function activity, which probably confers a selective advantage upon tumor cells harboring such mutations. We report that mutant p53 suppresses the expression of the CD95 (Fas/APO-1) gene, encoding a death receptor implicated in a variety of apoptotic responses. Moderate (40-50%) downregulation of CD95 mRNA and surface protein expression by mutant p53 correlates with partial protection against CD95-dependent cell death. Excess mutant p53 represses the transcriptional activity of the CD95 promoter, with the extent of repression varying among different tumor-associated p53 mutants. Furthermore, mutant p53 protein binds the CD95 promoter in vitro, in a region distinct from the one implicated in tight interactions of the CD95 gene with wild-type p53. Hence, the CD95 promoter is likely to be a direct target for downregulation by mutant p53. This activity of mutant p53 may contribute to its gain of function effects in oncogenesis.

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Crossref · 10.1038/sj.onc.1206724

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49 of 49 references verified0 citation errors · 0 not checkable

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  • GOF mut-p53 has been shown to abnormally regulate a multitude of genes that play critical roles in glioblastoma pathogenesis, including CD95/Fas/Apo1, PARP, PTEN, and more.

    “Furthermore, GOF mut-p53 has been shown to abnormally regulate a multitude of genes that play critical roles in GBM pathogenesis, but have not been analyzed in the context of GBM. This includes CD95/Fas/Apo1, PARP, PTEN, and more [63,94,95,96,97,98].”

    From The p53 Pathway in Glioblastoma (2018) · cites this paper as [94]

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Authors
Zalcenstein, A., Stambolsky, P., Weisz, L., Müller, M., Wallach, D., Goncharov, T. M., Krammer, P. H., Rotter, V., & Oren, M.
Affiliations
  • Weizmann Institute of Science (IL)
  • University Hospital Heidelberg (DE)
  • German Cancer Research Center (DE)
Corresponding author
Oren, Moshe
Venue
Oncogene
Published
2003-08-28
Volume
22
Issue
36
Pages
5667-5676
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2038619560
Cited by
123
References
49
Citations by year
2026: 1 · 2025: 1 · 2024: 8 · 2023: 1 · 2022: 1 · 2021: 2 · 2019: 2 · 2018: 3 · 2017: 2 · 2016: 6 · 2015: 6 · 2014: 9 · 2013: 6 · 2012: 9
FWCI
4.51
Type
journal article
Language
en
Open access
closed
Locations
  • Oncogene (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsches Krebsforschungszentrum
  • European Commission
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 › Heat shock proteins research
Keywords
mutant p53, gain-of-function, Fas, Fas/APO-1, death receptors, transcriptional repression, anti-apoptotic effects, tumor cell survival, carcinogenesis
MeSH terms
Humans, Mutation, Promoter Regions, Genetic, Repressor Proteins, RNA, Messenger, Down-Regulation, Tumor Suppressor Protein p53, Apoptosis, fas Receptor

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