Cited by 34Cell death mechanisms and regulationCancer-related Molecular PathwaysMitochondrial Function and Pathology

Loss of dE2F compromises mitochondrial function

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Ambrus, Aaron M., Islam, Abul B.M.M.K., Holmes, Katherine B., Moon, Nam Sung, Lopez-Bigas, Nuria, Benevolenskaya, Elizaveta V., Frolov, Maxim V.·2013·Developmental Cell

Abstract

E2F/DP transcription factors regulate cell proliferation and apoptosis. Here, we investigated the mechanism of the resistance of Drosophila dDP mutants to irradiation-induced apoptosis. Contrary to the prevailing view, this is not due to an inability to induce the apoptotic transcriptional program, because we show that this program is induced; rather, this is due to a mitochondrial dysfunction of dDP mutants. We attribute this defect to E2F/DP-dependent control of expression of mitochondria-associated genes. Genetic attenuation of several of these E2F/DP targets mimics the dDP mutant mitochondrial phenotype and protects against irradiation-induced apoptosis. Significantly, the role of E2F/DP in the regulation of mitochondrial function is conserved between flies and humans. Thus, our results uncover a role of E2F/DP in the regulation of mitochondrial function and demonstrate that this aspect of E2F regulation is critical for the normal induction of apoptosis in response to irradiation.

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Crossref · 10.1016/j.devcel.2013.10.002

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Authors
Ambrus, A. M., Islam, A. B. M. M. K., Holmes, K. B., Moon, N. S., Lopez-Bigas, N., Benevolenskaya, E. V., & Frolov, M. V.
Affiliations
  • University of Illinois Chicago (US)
  • Universitat Pompeu Fabra (ES)
  • McGill University (CA)
Corresponding author
Frolov, Maxim V.
Venue
Developmental Cell
Publisher
Elsevier BV
Published
2013-11
Volume
27
Issue
4
Pages
438-451
ISSN
1534-5807 (ISSN-L)
OpenAlex
W2003553263
Cited by
34
References
45
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 1 · 2022: 3 · 2021: 2 · 2019: 4 · 2018: 2 · 2017: 3 · 2016: 7 · 2015: 6 · 2014: 1 · 2013: 1
FWCI
2.24
Type
journal article
Language
en
Open access
Locations
  • Developmental Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Repositori digital de la UPF (Universitat Pompeu Fabra) (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RECERCAT (Consorci de Serveis Universitaris de Catalunya) (submittedVersion, other-oa)
Funders
  • National Institutes of Health
  • National Cancer Institute (R01CA138631, CA138631)
  • National Institute of General Medical Sciences (R01GM093827, GM93827)
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 › Mitochondrial Function and Pathology
Keywords
cisplatin, mitochondrial dysfunction, radiation-induced apoptosis, radioresistance (biology), mitochondrial gene expression, Drosophila, apoptosis regulation, transcriptional attenuation
MeSH terms
Animals, Bone Neoplasms, Cell Cycle, DNA Damage, Drosophila melanogaster, Fluorescent Antibody Technique, Gamma Rays, Humans, Immunoenzyme Techniques, Mitochondria, Phenotype, Osteosarcoma, Transcription Factors, Tumor Cells, Cultured, Blotting, Western, Trans-Activators, Apoptosis, Drosophila Proteins, Animals, Genetically Modified, Chromatin Immunoprecipitation, Cell Proliferation, E2F Transcription Factors

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