Cited by 184Cancer-related Molecular PathwaysCell death mechanisms and regulationHeat shock proteins research

p53 Upregulates Death Receptor 4 Expression through an Intronic p53 Binding Site

Liu, Xiangguo, Yue, Ping, Khuri, Fadlo R., Sun, Shi-Yong·2004·Cancer Research

Abstract

Death receptor 4 (DR4) is one of the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) receptors and triggers apoptosis on ligation with TRAIL or overexpression. Our previous study demonstrated that DR4 expression could be regulated in a p53-dependent fashion. In the present study, we have demonstrated that DR4 is a p53 target gene and is regulated by p53 through a functional intronic p53 binding site (p53BS) based on the following lines of evidence: (a) the p53BS in the DR4 gene is almost identical to the one found in the first intron of the DR5 gene in terms of their locations and sequences; (b) DR4 p53BS bound to p53 protein in intact cells upon p53 activation as demonstrated by a chromatin immunoprecipitation assay; (c) a luciferase reporter vector carrying the DR4 p53BS upstream of an SV40 promoter exhibited enhanced luciferase activity when transiently cotransfected with a wild-type p53 expression vector in p53-null cell lines or stimulated with DNA-damaging agents in a cell line having wild-type p53; and (d) when the DR4 p53BS, together with its own corresponding promoter region in the same orientation as it sits in its natural genomic locus, was cloned into a basic luciferase vector without a promoter element, its transcriptional activity was strikingly increased by cotransfection of a wild-type p53 expression vector or treatment with DNA-damaging agents. However, wild-type p53 or DNA-damaging agents completely lost their activity to increase transcriptional activity of a reporter construct with deleted DR4 p53BS. Thus, we conclude that p53 directly regulates the expression of the DR4 gene via the novel intronic p53BS.

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Crossref · 10.1158/0008-5472.can-04-1195

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  • TNF receptors include the p53-induced targets FAS and TNFRSF10A-D; these can be activated by external stimuli such as binding with FASL or TNF-α, thereby leading to caspase-dependent apoptosis.

    “TNF receptors include the p53-induced targets FAS47, 48, 49 and TNFRSF10A–D;38, 39 these can be activated by external stimuli such as binding with FASL or TNF-α, thereby leading to caspase-dependent apoptosis.178”

    From Census and evaluation of p53 target genes (2017) · cites this paper as [39]

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Authors
Liu, X., Yue, P., Khuri, F. R., & Sun, S.-Y.
Affiliations
Emory University (US)
Venue
Cancer Research
Published
2004-08-01
Volume
64
Issue
15
Pages
5078-5083
ISSN
  • 0008-5472 (ISSN-L)
  • 1538-7445
OpenAlex
W2127891491
Cited by
184
References
29
Citations by year
2026: 1 · 2025: 4 · 2024: 5 · 2023: 8 · 2022: 2 · 2021: 3 · 2020: 7 · 2019: 6 · 2018: 7 · 2017: 7 · 2016: 7 · 2015: 5 · 2014: 11 · 2013: 5 · 2012: 17
FWCI
5.12
Type
journal article
Language
en
Open access
closed
Locations
  • Cancer Research (publishedVersion)
  • PubMed (publishedVersion)
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
p53, death receptor 4, DR4, TRAIL receptors, DR5, transcriptional activation, DNA-damaging agents, apoptosis
MeSH terms
Binding Sites, Breast Neoplasms, Chromatin, DNA, DNA Damage, Female, Humans, Introns, Luciferases, Precipitin Tests, Promoter Regions, Genetic, Transcription, Genetic, Transfection, Tumor Cells, Cultured, Transcriptional Activation, Up-Regulation, Gene Expression Regulation, Neoplastic, Tumor Suppressor Protein p53, Receptors, Tumor Necrosis Factor, Receptors, TNF-Related Apoptosis-Inducing Ligand

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