Cited by 479Cell death mechanisms and regulationMitochondrial Function and PathologyAutophagy in Disease and Therapy

The DOI matches its Crossref record; 41 of the 42 references it cites were found in a registry or an index.

Limited Mitochondrial Permeabilization Causes DNA Damage and Genomic Instability in the Absence of Cell Death

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Abstract

During apoptosis, the mitochondrial outer membrane is permeabilized, leading to the release of cytochrome c that activates downstream caspases. Mitochondrial outer membrane permeabilization (MOMP) has historically been thought to occur synchronously and completely throughout a cell, leading to rapid caspase activation and apoptosis. Using a new imaging approach, we demonstrate that MOMP is not an all-or-nothing event. Rather, we find that a minority of mitochondria can undergo MOMP in a stress-regulated manner, a phenomenon we term "minority MOMP." Crucially, minority MOMP leads to limited caspase activation, which is insufficient to trigger cell death. Instead, this caspase activity leads to DNA damage that, in turn, promotes genomic instability, cellular transformation, and tumorigenesis. Our data demonstrate that, in contrast to its well-established tumor suppressor function, apoptosis also has oncogenic potential that is regulated by the extent of MOMP. These findings have important implications for oncogenesis following either physiological or therapeutic engagement of apoptosis.

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Crossref · 10.1016/j.molcel.2015.01.018

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Metadata

Authors
Ichim, G., Lopez, J., Ahmed, S. U., Muthalagu, N., Giampazolias, E., Delgado, M. E., Haller, M., Riley, J. S., Mason, S. M., Athineos, D., Parsons, M. J., van de Kooij, B., Bouchier-Hayes, L., Chalmers, A. J., Rooswinkel, R. W., Oberst, A., Blyth, K., Rehm, M., Murphy, D. J., & Tait, S. W. G.
Affiliations
  • Cancer Research UK Scotland Institute (GB)
  • University of Glasgow (GB)
  • Royal College of Surgeons in Ireland (IE)
  • Baylor College of Medicine (US)
  • The Netherlands Cancer Institute (NL)
  • University of Washington (US)
Corresponding author
Tait, Stephen W.G.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2015-03
Volume
57
Issue
5
Pages
860-872
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2099583458
Cited by
479
References
42
Citations by year
2026: 49 · 2025: 48 · 2024: 57 · 2023: 45 · 2022: 58 · 2021: 43 · 2020: 42 · 2019: 36 · 2018: 33 · 2017: 32 · 2016: 22 · 2015: 11
FWCI
14.19
Type
journal article
Language
en
Update notices
erratum (2015-06-04)
Open access
Locations
  • Molecular Cell (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion)
  • Sunderland Repository (University of Sunderland) (acceptedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
Funders
  • Cancer Research UK (22311)
  • Royal Society
  • European Commission
  • National Institutes of Health
  • Biotechnology and Biological Sciences Research Council (BB/K008374/1)
  • National Institute of Allergy and Infectious Diseases (R01AI108685)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Autophagy in Disease and Therapy
Keywords
mitochondrial outer membrane permeabilization, apoptosis, caspase activation, cytochrome c release, DNA damage, genomic instability, cell transformation, carcinogenesis, tumor suppression
MeSH terms
Animals, Biphenyl Compounds, DNA Damage, Dose-Response Relationship, Drug, Embryo, Mammalian, Fibroblasts, HeLa Cells, Histones, Humans, Mice, Inbred C57BL, Nitrophenols, Permeability, Piperazines, Sulfonamides, Time Factors, Blotting, Western, Apoptosis, Mice, Knockout, Microscopy, Confocal, Proto-Oncogene Proteins c-bcl-2, Staurosporine, Caspases, Genomic Instability, HCT116 Cells, Cell Line, Tumor, Cyclin-Dependent Kinase Inhibitor p19, Mitochondrial Membranes, MCF-7 Cells

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