Cited by 4,060Cell death mechanisms and regulationMitochondrial Function and PathologyAutophagy in Disease and Therapy

Molecular characterization of mitochondrial apoptosis-inducing factor

Susin, Santos A., Lorenzo, Hans K., Zamzami, Naoufal, Marzo, Isabel, Snow, Bryan E., Brothers, Greg M., Mangion, Joan, Jacotot, Etienne +8 more·1999·Nature

Abstract

Mitochondria play a key part in the regulation of apoptosis (cell death). Their intermembrane space contains several proteins that are liberated through the outer membrane in order to participate in the degradation phase of apoptosis. Here we report the identification and cloning of an apoptosis-inducing factor, AIF, which is sufficient to induce apoptosis of isolated nuclei. AIF is a flavoprotein of relative molecular mass 57,000 which shares homology with the bacterial oxidoreductases; it is normally confined to mitochondria but translocates to the nucleus when apoptosis is induced. Recombinant AIF causes chromatin condensation in isolated nuclei and large-scale fragmentation of DNA. It induces purified mitochondria to release the apoptogenic proteins cytochrome c and caspase-9. Microinjection of AIF into the cytoplasm of intact cells induces condensation of chromatin, dissipation of the mitochondrial transmembrane potential, and exposure of phosphatidylserine in the plasma membrane. None of these effects is prevented by the wide-ranging caspase inhibitor known as Z-VAD.fmk. Overexpression of Bcl-2, which controls the opening of mitochondrial permeability transition pores, prevents the release of AIF from the mitochondrion but does not affect its apoptogenic activity. These results indicate that AIF is a mitochondrial effector of apoptotic cell death.

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Crossref · 10.1038/17135

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  • AIF migration from mitochondria to nucleus mediates apoptosis in a manner that cannot be blocked by overexpression of antiapoptotic Bcl-2 or by caspase inhibition.

    “Consistent with previous reports (407), AIF migration from the mitochondria to nucleus was found to mediate apoptosis in a manner that could not be blocked by overexpression of the antiapoptotic Bcl-2 or by caspase inhibition.”

    From Redox regulation of mitochondrial function (2012) · cites this paper as [407]

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Authors
Susin, S. A., Lorenzo, H. K., Zamzami, N., Marzo, I., Snow, B. E., Brothers, G. M., Mangion, J., Jacotot, E., Costantini, P., Loeffler, M., Larochette, N., Goodlett, D. R., Aebersold, R., Siderovski, D. P., Penninger, J. M., & Kroemer, G.
Affiliations
  • Institut Pasteur (FR)
  • Centre National de la Recherche Scientifique (FR)
  • University of Toronto (CA)
  • University of Washington (US)
Corresponding author
Kroemer, Guido
Venue
Nature
Published
1999-02
Volume
397
Issue
6718
Pages
441-446
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2159650080
Cited by
4,060
References
30
Citations by year
2026: 30 · 2025: 43 · 2024: 58 · 2023: 65 · 2022: 68 · 2021: 110 · 2020: 84 · 2019: 91 · 2018: 109 · 2017: 99 · 2016: 100 · 2015: 133 · 2014: 102 · 2013: 154 · 2012: 167
FWCI
87.85
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Funders
  • Amgen
  • Institut National de la Santé et de la Recherche Médicale
  • Centre National de la Recherche Scientifique
  • National Institutes of Health
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
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
apoptosis-inducing factor, mitochondrial apoptosis, flavoprotein, cytochrome c release, caspase-9, chromatin condensation, DNA fragmentation, mitochondrial membrane potential, phosphatidylserine exposure, Bcl-2, mitochondrial permeability transition, nuclear translocation
MeSH terms
Amino Acid Sequence, Animals, Antibodies, Cell Line, Cell Nucleus, Cell-Free System, Chromatin, Cytochrome c Group, Flavoproteins, HeLa Cells, Humans, Intracellular Membranes, Membrane Proteins, Microinjections, Mitochondria, Molecular Sequence Data, Recombinant Proteins, Apoptosis, Proto-Oncogene Proteins c-bcl-2, Apoptosis Inducing Factor, Mice, Rats

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