| 2004 |
VDAC2 and VDAC3 (but not VDAC1) are abundant structural proteins in bovine sperm outer dense fibers (ODF), a cytoskeletal component of the flagellum, localizing outside of mitochondria and suggesting a non-channel structural role in sperm. |
Peptide sequencing of purified ODF proteins, isoform-specific antibodies, immunoblot, immunofluorescence microscopy, and transmission electron immunomicroscopy |
The Journal of biological chemistry |
High |
14739283
|
| 1998 |
VDAC3 exists as two isoforms generated by tissue-specific alternative splicing of a 3-base exon encoding Met39; both isoforms localize to mitochondria in transfected mammalian cells, and the Met39 residue modulates VDAC3 channel function as shown by complementation of YVDAC-deficient yeast. |
cDNA cloning, transfection with fluorescent/epitope-tagged constructs, yeast complementation assay |
The Journal of biological chemistry |
High |
9804816
|
| 2010 |
VDAC3 has limited ability to complement porin-less yeast for mitochondrial respiration and has no influence on ROS control, unlike VDAC1 and VDAC2; over-expression of VDAC3 causes dramatic sensitivity to oxidative stress and shorter lifespan under respiratory conditions. |
Yeast complementation assay, real-time PCR, yeast survival/aging assays |
Biochimica et biophysica acta |
High |
20138821
|
| 2010 |
Swapping the VDAC3 N-terminal 20 amino acids with those from VDAC1 fully restores mitochondrial respiration complementation activity and ROS modulation in porin-less yeast, and extends yeast lifespan, establishing the N-terminus as the key functional determinant distinguishing VDAC3 from VDAC1. |
N-terminal domain swap chimeras, yeast complementation assay, ROS measurement, lifespan assay |
FEBS letters |
High |
20434446
|
| 2010 |
In VDAC3-deficient mice, cardiac mitochondria show decreased apparent affinity for ADP and a specific defect in respiratory complex IV activity, whereas gastrocnemius muscle mitochondria ADP affinity is unaffected; structural aberrations of mitochondria correlate with these functional changes, demonstrating muscle-type specificity of VDAC3 function in vivo. |
VDAC3 knockout mice, in situ mitochondrial respiration, respiratory enzyme activity assays, electron microscopy |
Biochimica et biophysica acta |
High |
20875390
|
| 2012 |
VDAC3 is present at the mother centriole and recruits the Mps1 kinase to centrosomes by directly binding the centrosome localization domain of Mps1, thereby modulating centriole assembly. |
Co-immunoprecipitation, confocal imaging, centrosome localization domain mapping, RNAi knockdown with centriole assembly phenotype |
Cell cycle (Georgetown, Tex.) |
High |
22935710
|
| 2013 |
VDAC3 depletion causes inappropriate ciliogenesis in cycling cells, and VDAC3 overexpression suppresses ciliogenesis in quiescent cells; the VDAC3-Mps1 module at the centrosome promotes ciliary disassembly during cell cycle entry, placing VDAC3 as a negative regulator of primary cilia assembly. |
RNAi knockdown, GFP-VDAC3 overexpression, immunofluorescence-based cilia quantification, epistasis with Mps1 targeting |
Cell cycle (Georgetown, Tex.) |
High |
23388454
|
| 2015 |
VDAC3 gating activity is activated by reducing agents (DTT) and S-nitrosoglutathione (GSNO), and by cysteine-to-alanine mutations, indicating that an intramolecular disulfide bond between the N-terminal region and the bottom of the pore suppresses VDAC3 channel gating under oxidizing conditions. |
Recombinant protein reconstitution into planar lipid bilayers, redox agent treatment, site-directed cysteine mutagenesis, single-channel electrophysiology |
Biochimica et biophysica acta |
High |
26407725
|
| 2016 |
VDAC3 cysteines (particularly Cys2/Cys8, which can form a disulfide bridge) and Cys122 are in different oxidation states in native mitochondria and regulate pore stability and conductance; the protein acts as a redox sensor reporting oxidative conditions in the mitochondrial intermembrane space. |
Mass spectrometry of native and recombinant VDAC3, site-directed mutagenesis of individual cysteines, SDS-PAGE mobility shift, electrophysiology, yeast complementation, circular dichroism |
Oncotarget |
High |
26760765
|
| 2016 |
High-resolution mass spectrometry of rat liver mitochondrial VDAC3 reveals that cysteines 36, 65, 165, and 229 are oxidized to sulfonic acid, while methionines are oxidized to methionine sulfoxide, consistent with VDAC3 being exposed to a strongly oxidizing intermembrane space environment. |
SDS-PAGE, tryptic/chymotryptic digestion, UHPLC/High Resolution ESI-MS/MS |
Biochimica et biophysica acta. Biomembranes |
High |
27989743
|
| 2014 |
VDAC3 localizes to mitochondria in HeLa cells and interacts with cytoskeletal proteins (tubulins), stress sensors, chaperones, proteasome components, and redox enzymes including protein disulfide isomerase, suggesting VDAC3 acts as an organizer of protein complexes involved in ROS homeostasis and protein quality control. |
Stable cell line with dual-tagged VDAC3, tandem-affinity purification, 2D gel electrophoresis, mass spectrometry, live-cell imaging, immunoprecipitation validation |
Molecular bioSystems |
High |
24865465
|
| 2020 |
VDAC3 forms stable, highly conductive, weakly anion-selective voltage-gated channels similar to VDAC1, but interacts with cytosolic proteins α-synuclein and tubulin with 10–100-fold reduced on-rates; cysteine scanning mutagenesis shows VDAC3's cysteine residues regulate interaction with α-synuclein, demonstrating isoform-specific cytosolic protein regulation. |
Recombinant protein reconstitution in planar lipid bilayers, single-channel electrophysiology, cysteine-scanning mutagenesis |
The Journal of general physiology |
High |
31935282
|
| 2022 |
VDAC3 depletion significantly exacerbates cytotoxicity of redox cyclers (menadione, paraquat) and complex I inhibitors (rotenone), causing uncontrolled mitochondrial ROS accumulation; high-resolution respirometry shows that VDAC3 cysteines are indispensable for its ability to counteract ROS-induced oxidative stress. |
VDAC3 knockdown/knockout (HAP1-ΔVDAC3 cells), cysteine-null VDAC3 mutant complementation, high-resolution respirometry, ROS measurement |
Redox biology |
High |
35180474
|
| 2021 |
FBXW7 functions as an E3 ubiquitin ligase for VDAC3, mediating its ubiquitination and proteasomal degradation; autophagy activation (rapamycin) increases VDAC3 degradation via this pathway and sensitizes leukemia cells to erastin-induced ferroptosis. |
Immunoprecipitation, UbiBrowser prediction followed by experimental confirmation, lentiviral knockdown/overexpression, xenograft model |
Frontiers in cell and developmental biology |
High |
34869326
|
| 2022 |
The BDNF-AS lncRNA recruits WDR5 to enhance FBXW7 transcription; FBXW7 then ubiquitinates VDAC3 to reduce its protein level, thereby protecting gastric cancer cells from ferroptosis. |
ChIRP, RIP, ChIP, co-IP, in vivo xenograft model, qRT-PCR |
International journal of biological sciences |
High |
35280682
|
| 2022 |
Enteroviral 2B protein directly interacts with VDAC3; VDAC3 knockdown suppresses enterovirus 71 replication and reduces virus-induced mitochondrial ROS generation, establishing VDAC3 as an essential host factor for enteroviral ROS-dependent replication. |
Co-immunoprecipitation-proteomic analysis, siRNA knockdown, single-round viral replication assay, mitochondrial ROS measurement |
Viruses |
High |
36016340
|
| 2023 |
Dankastatin B covalently targets Cys65 of VDAC3 in breast cancer cells; VDAC3 knockdown confers hypersensitivity to dankastatin B-mediated antiproliferative effects, indicating VDAC3 is at least partially responsible for the drug's anticancer mechanism. |
Activity-based protein profiling chemoproteomic approach, covalent interaction validation, siRNA knockdown, antiproliferative assays |
Chembiochem : a European journal of chemical biology |
High |
36964942
|
| 2019 |
The β7–β9 strand region of hVDAC3 is highly aggregation prone; an α1–β7–β9 interaction (involving the N-terminal α-helix) suppresses aggregation, and perturbation of this interaction promotes aggregation through a partially unfolded intermediate. |
Systematic cysteine thiol-replacement mutagenesis, far-UV circular dichroism, UV scattering spectroscopy |
The Journal of general physiology |
High |
30674561
|
| 2022 |
Specific post-translational modifications of VDAC3 in ALS-SOD1 model cells include over-oxidation, deamidation, and succination at specific residues; deamidation of Asn215 alone alters single-channel behavior in artificial membranes, demonstrating that disease-related oxidative PTMs functionally impact VDAC3. |
nUHPLC/High-Resolution nESI-MS/MS of enriched VDAC3 from NSC34-SOD1G93A cells, planar lipid bilayer electrophysiology of deamidated mutant |
International journal of molecular sciences |
High |
36555496
|
| 2024 |
SPOP functions as an E3 ubiquitin ligase that ubiquitinates and degrades VDAC3; ALKBH5 demethylase reduces SPOP mRNA stability (via m6A in 3'UTR), decreasing SPOP-mediated VDAC3 degradation and promoting ferroptosis; IGF2BP2 stabilizes SPOP mRNA to inhibit ferroptosis, placing VDAC3 downstream of ALKBH5/IGF2BP2/SPOP axis in diabetic cardiomyopathy. |
Co-immunoprecipitation, ubiquitination assay, m6A modification analysis, RIP, mRNA stability assay in cardiomyocytes |
Free radical biology & medicine |
Medium |
39549880
|
| 2025 |
ALKBH5 m6A demethylase reduces VDAC3 mRNA stability by decreasing m6A modification, and YTHDF1 acts as the m6A reader that enhances VDAC3 mRNA stability; VDAC3 overexpression reduces etoposide-induced cellular senescence and promotes osteogenic differentiation in bone mesenchymal stromal cells. |
RIP assay, luciferase reporter, Me-RIP (m6A methylation analysis), Western blot, alkaline phosphatase and alizarin red S staining |
Scientific reports |
Medium |
39379688
|
| 2025 |
Trim15 E3 ubiquitin ligase stabilizes VDAC3 via K6-linked ubiquitination (rather than promoting degradation), suppressing autophagy/mitophagy and elevating ROS; VDAC3 knockdown enhances autophagy and reduces ROS, defining a Trim15-VDAC3-mitophagy axis in hypopharyngeal squamous cell carcinoma. |
Co-immunoprecipitation, ubiquitination linkage analysis, siRNA knockdown, flow cytometry for ROS/mitophagy, xenograft model |
Cell death discovery |
Medium |
41617671
|
| 2025 |
Cardiolipin uniquely retains hVDAC3 in an open-like conductive state, while anionic headgroups, negative protein-bilayer mismatch, and increased membrane viscosity optimize channel stability; lipid composition selectively modulates hVDAC3 N-terminal helix dynamics without altering global β-barrel fold. |
Single-channel electrophysiology, all-atom molecular dynamics simulations, systematic lipid variation |
Protein science : a publication of the Protein Society |
High |
41575209
|
| 2025 |
In yeast lacking endogenous VDACs and superoxide dismutases, hVDAC3 (but not hVDAC1 or hVDAC2) maintains mitochondrial membrane potential, morphology, and efficient ATP synthesis under oxidative stress; cysteine-depleted hVDAC3 loses this protective function, confirming that hVDAC3 cysteines are essential for oxidative stress protection. |
Heterologous expression in yeast strains lacking POR1/POR2 and SOD1/SOD2, growth assays, mitochondrial membrane potential measurement, bioenergetic profiling |
Biochimica et biophysica acta. Bioenergetics |
High |
40588209
|
| 2025 |
Mass spectrometry characterization of rat VDAC3 revealed three intramolecular disulfide bonds and seven intermolecular disulfide bonds between rVDAC3 and rVDAC1 or rVDAC2, demonstrating that disulfide bridges directly mediate homo- and hetero-oligomerization of VDAC isoforms. |
UHPLC/High Resolution ESI-MS/MS after enzymatic digestion; non-reducing conditions to preserve disulfide bonds |
Analytical and bioanalytical chemistry |
High |
40875006
|
| 2025 |
VDAC3 KO in HeLa cells dramatically downregulates key electron transport chain members and shifts mitochondria to glutamine-dependent metabolism, demonstrating a non-redundant role of VDAC3 (not compensated by VDAC1/VDAC2) in supporting ETC function and cancer cell metabolic adaptability. |
VDAC3 knockout HeLa cells, comparative proteomics, respirometry, metabolic flux analysis |
bioRxivpreprint |
Medium |
bio_10.1101_2025.02.20.639106
|
| 2034 |
ACSL4 interacts with both ZIP7 (ER iron efflux channel) and VDAC3 (mitochondrial iron influx channel) at ER-mitochondria contact sites; VDAC3 knockdown reverses mitochondrial iron overload under PFOS exposure, establishing VDAC3 as a mitochondrial iron influx channel regulated by ACSL4-mediated ZIP7-VDAC3 interaction. |
Co-immunoprecipitation of ACSL4-VDAC3 in mouse liver and L-02 cells, siRNA knockdown of VDAC3, iron measurement |
The Science of the total environment |
Medium |
39579909
|