Cited by 971Cell death mechanisms and regulationMitochondrial Function and PathologyCardiac Ischemia and Reperfusion

Voltage-dependent anion channels are dispensable for mitochondrial-dependent cell death

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Baines, Christopher P., Kaiser, Robert A., Sheiko, Tatiana, Craigen, William J., Molkentin, Jeffery D.·2007·Nature Cell Biology

Abstract

Mitochondria are critically involved in necrotic cell death induced by Ca(2+) overload, hypoxia and oxidative damage. The mitochondrial permeability transition (MPT) pore - a protein complex that spans both the outer and inner mitochondrial membranes - is considered the mediator of this event and has been hypothesized to minimally consist of the voltage-dependent anion channel (Vdac) in the outer membrane, the adenine-nucleotide translocase (Ant) in the inner membrane and cyclophilin-D in the matrix. Here, we report the effects of deletion of the three mammalian Vdac genes on mitochondrial-dependent cell death. Mitochondria from Vdac1-, Vdac3-, and Vdac1-Vdac3-null mice exhibited a Ca(2+)- and oxidative stress-induced MPT that was indistinguishable from wild-type mitochondria. Similarly, Ca(2+)- and oxidative-stress-induced MPT and cell death was unaltered, or even exacerbated, in fibroblasts lacking Vdac1, Vdac2, Vdac3, Vdac1-Vdac3 and Vdac1-Vdac2-Vdac3. Wild-type and Vdac-deficient mitochondria and cells also exhibited equivalent cytochrome c release, caspase cleavage and cell death in response to the pro-death Bcl-2 family members Bax and Bid. These results indicate that Vdacs are dispensable for both MPT and Bcl-2 family member-driven cell death.

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Crossref · 10.1038/ncb1575

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  • Mice null for Vdac1 and Vdac3 are viable and display little overt phenotypic changes, whereas on that murine genetic background Vdac2−/− mice were embryonically lethal.

    “Interestingly, mice null for Vdac1 and Vdac3 are viable and display little overt phenotypical changes; however, on this particular murine genetic background, Vdac2−/− mice were embryonically lethal (99, 100).”
  • Concurrent knockout or knockdown of Slc25a4 and Slc25a5 (ANT1 and ANT2) or Vdac1, Vdac2, Vdac3 fails to prevent induction of MPT by oxidative stress or Ca2+ overload.

    “In particular, the concurrent knockout or knockdown of Slc25a4 and Slc25a5, which encode ANT1 and ANT2, respectively [390], or that of Vdac1, Vdac2, and Vdac3 [391, 392] fails to prevent the induction of MPT by oxidative stress or Ca2+ overload.”
  • Absence of all known subtypes of VDAC does not impair MPT pore formation.

    “Similarly, absence of all known subtypes of VDAC does not impair MPT pore formation (26).”

    From Redox regulation of mitochondrial function (2012) · cites this paper as [26]

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Authors
Baines, C. P., Kaiser, R. A., Sheiko, T., Craigen, W. J., & Molkentin, J. D.
Affiliations
  • Cincinnati Children's Hospital Medical Center (US)
  • Baylor College of Medicine (US)
Corresponding author
Molkentin, Jeffery D.
Venue
Nature Cell Biology
Published
2007-04-08
Volume
9
Issue
5
Pages
550-555
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W2057257618
Cited by
971
References
38
Citations by year
2026: 16 · 2025: 29 · 2024: 21 · 2023: 28 · 2022: 28 · 2021: 62 · 2020: 33 · 2019: 39 · 2018: 47 · 2017: 47 · 2016: 49 · 2015: 52 · 2014: 63 · 2013: 47 · 2012: 61
FWCI
36.33
Type
journal article
Language
en
Open access
Locations
  • Nature Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (5p50hl077101-05)
  • National Heart, Lung, and Blood Institute (P50-HL-077101, R01HL081104, P01HL069779, R01HL060562, R37HL060562, R01HL062927)
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 › Pathology and Forensic Medicine › Cardiac Ischemia and Reperfusion
Keywords
voltage-dependent anion channel, mitochondrial permeability transition pore, necrosis, VDAC1, VDAC2, VDAC3, adenine nucleotide translocase, cyclophilin D, calcium overload, oxidative stress, Bax, Bid, Bcl-2 family proteins, cytochrome c release, caspase activation, mitochondrial outer membrane
MeSH terms
Peptidyl-Prolyl Isomerase F, Mitochondrial Permeability Transition Pore, Mitochondrial ADP, ATP Translocases, Animals, Calcium, Cell Membrane Permeability, Cells, Cultured, Mitochondria, Heart, Mitochondria, Liver, Mitochondrial Swelling, Time Factors, Transfection, Cell Death, Apoptosis, Mice, Knockout, Oxidative Stress, Proto-Oncogene Proteins c-bcl-2, Caspases, Cyclophilins, Mitochondrial Proteins, Mitochondrial Membrane Transport Proteins, RNA Interference, RNA, Small Interfering, Cytochromes c, Voltage-Dependent Anion Channels, Voltage-Dependent Anion Channel 1, Voltage-Dependent Anion Channel 2, Mitochondrial Membranes, Mice

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