Cited by 1,327Cell death mechanisms and regulationCancer-related Molecular PathwaysHeat shock proteins research

p53- and Drug-Induced Apoptotic Responses Mediated by BH3-Only Proteins Puma and Noxa

Villunger, Andreas, Michalak, Ewa M., Coultas, Leigh, Müllauer, Franziska, Böck, Günther, Ausserlechner, Michael J., Adams, Jerry M., Strasser, Andreas·2003·Science

Abstract

Apoptosis provoked by DNA damage requires the p53 tumor suppressor, but which of the many p53-regulated genes are required has remained unknown. Two genes induced by this transcription factor, noxa and puma ( bbc3 ), stand out, because they encode BH3-only proteins, proapoptotic members of the Bcl-2 family required to initiate apoptosis. In mice with either noxa or puma disrupted, we observed decreased DNA damage–induced apoptosis in fibroblasts, although only loss of Puma protected lymphocytes from cell death. Puma deficiency also protected cells against diverse p53-independent cytotoxic insults, including cytokine deprivation and exposure to glucocorticoids, the kinase inhibitor staurosporine, or phorbol ester. Hence, Puma and Noxa are critical mediators of the apoptotic responses induced by p53 and other agents.

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Crossref · 10.1126/science.1090072

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  • Pro-apoptotic BH3-only proteins are activated transcriptionally or post-translationally as specific organelles or cellular compartments experience perturbations of homeostasis, operating as cellular transducers of stress signaling.

    “These pro-apoptotic members of the BCL2 protein family (which contain a single BH3 domain) are activated transcriptionally or post-translationally as specific organelles or cellular compartments experience perturbations of homeostasis, de facto operating as cellular transducers of stress signaling [60–63].”

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Authors
Villunger, A., Michalak, E. M., Coultas, L., Müllauer, F., Böck, G., Ausserlechner, M. J., Adams, J. M., & Strasser, A.
Affiliations
  • Universität Innsbruck (AT)
  • The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia.
Corresponding author
  • Villunger, Andreas
  • Strasser, Andreas
Venue
Science
Published
2003-11-07
Volume
302
Issue
5647
Pages
1036-1038
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2089082314
Cited by
1,327
References
22
Citations by year
2026: 14 · 2025: 22 · 2024: 35 · 2023: 42 · 2022: 31 · 2021: 45 · 2020: 50 · 2019: 34 · 2018: 43 · 2017: 48 · 2016: 48 · 2015: 47 · 2014: 54 · 2013: 66 · 2012: 70
FWCI
27.69
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
Keywords
p53, BH3-only proteins, PUMA, Noxa, Bcl-2 family proteins, apoptosis, DNA damage-induced apoptosis, p53-independent cell death, cytokine deprivation, glucocorticoids, staurosporine, phorbol ester, lymphocyte survival, fibroblasts
MeSH terms
Animals, B-Lymphocytes, Cell Transformation, Viral, Dexamethasone, DNA Damage, Etoposide, Fibroblasts, Gamma Rays, Lymphocytes, Mice, Inbred C57BL, Models, Biological, Proto-Oncogene Proteins, RNA, Messenger, T-Lymphocytes, Tetradecanoylphorbol Acetate, Transcription, Genetic, Ionomycin, Tumor Suppressor Protein p53, Cytokines, Apoptosis, Mice, Knockout, Gene Targeting, Proto-Oncogene Proteins c-bcl-2, Reverse Transcriptase Polymerase Chain Reaction, Apoptosis Regulatory Proteins, Mice

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