Cited by 292Heat shock proteins researchCancer-related Molecular PathwaysGenomics and Chromatin Dynamics

Regulation of the Human hsp70 Promoter by p53

Agoff, S. Nicholas, Hou, Jeannie, Linzer, Daniel I., Wu, Barbara·1993·Science

Abstract

The tumor suppressor p53 is a nuclear phosphoprotein with characteristics of a transcription factor. It displays sequence-specific DNA binding, contains a potent transactivation domain, and has been implicated as both a transcriptional activator and a repressor. Transcription of the human hsp70 gene is stimulated by adenovirus E1a protein. This E1a transactivation of the hsp70 promoter is mediated by CCAAT binding factor (CBF). It is demonstrated here that p53 both represses transcription from the human hsp70 promoter and also interacts with CBF. Thus, the repression of the hsp70 promoter by p53 may be mediated by direct protein-protein interaction with CBF. These results suggest that protein-protein interaction between p53 and specific transcription factors may be an additional mechanism by which p53 regulates gene expression.

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Crossref · 10.1126/science.8418500

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  • p53 was first reported to bind to coactivators including TATA-box binding protein, NF-Y, and Sp1, and to interfere with their transactivator function.

    “In 1993, p53 was first reported to bind to coactivators, including the TATA-box binding protein,73, 74 the CCAAT-box binding factor (NF-Y)75 and specificity protein 1 (Sp1) that binds to GC-boxes,76 and to interfere with their transactivator function.”

    From Census and evaluation of p53 target genes (2017) · cites this paper as [75]

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Authors
Agoff, S. N., Hou, J., Linzer, D. I., & Wu, B.
Affiliations
Northwestern University (US)
Venue
Science
Published
1993-01
Volume
259
Issue
5091
Pages
84-87
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2061154169
Cited by
292
References
54
Citations by year
2025: 2 · 2024: 2 · 2023: 6 · 2022: 2 · 2021: 1 · 2020: 1 · 2018: 2 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 1 · 2013: 2 · 2012: 6
FWCI
13.77
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
p53, HSP70 gene, promoter regulation, transcriptional repression, CCAAT-binding factor, protein-protein interaction, adenovirus E1A, transcriptional activator, tumor suppressor, gene expression regulation
MeSH terms
Base Sequence, Cloning, Molecular, DNA-Binding Proteins, Electrophoresis, Polyacrylamide Gel, Escherichia coli, Gene Expression Regulation, Heat-Shock Proteins, Humans, Promoter Regions, Genetic, Recombinant Fusion Proteins, Transcription Factors, Transcription, Genetic, Chloramphenicol O-Acetyltransferase, Tumor Suppressor Protein p53, TATA Box, Adenovirus E1A Proteins, CCAAT-Enhancer-Binding Proteins

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