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VDAC1

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

Background

Voltage dependent anion channel 1 (VDAC1) is the major pore-forming protein of the mitochondrial outer membrane, encoded by VDAC1 gene and belonging to the eukaryotic porin channel family, acting as the primary gateway for metabolite exchange between mitochondria and the cytosol. VDAC1 is ubiquitously expressed across somatic cell types, with evolutionarily conserved beta-barrel channel architecture and voltage-sensing gating motifs across species, serving as an essential modulator for ATP/ADP translocation, ion flux and mitochondrial apoptotic signal integration. VDAC1-mediated channel activity exerts decisive effects on sustaining intact mitochondrial bioenergetics, metabolite partitioning and cell death pathway control under physiological conditions. Furthermore, VDAC1 coordinates downstream signaling cascades governing mitochondrial permeability transition, apoptotic protein release and cellular energy balance to safeguard stable tissue function. Distinct from other VDAC paralogs with partially overlapping roles, VDAC1 carries unique non-redundant duties as the most abundant and widely expressed outer mitochondrial membrane channel, rendering it indispensable for normal metabolite transport, mitochondrial apoptosis regulation and overall cellular bioenergetic homeostasis.

VDAC1 executes biological functions through voltage-dependent gating of a large beta-barrel pore, enabling selective passage of nucleotides, metabolites and ions across the mitochondrial outer membrane while maintaining permeability barriers against larger proteins under resting conditions. Its conserved channel domains mediate pore formation, voltage sensing and interaction with cytosolic and mitochondrial binding partners, enabling precise tuning of metabolite flux and apoptotic signal transmission. VDAC1-dependent signaling sustains cellular bioenergetic equilibrium, covering controlled metabolite transport cycles, coordinated mitochondrial permeability regulation and persistent cell death surveillance. VDAC1 participates in an extensive spectrum of biological processes, such as nucleotide translocation, mitochondrial ion homeostasis, apoptotic protein release and cellular energy metabolism. Abnormal VDAC1 gating or interaction with regulatory partners disrupts mitochondrial metabolite balance, alters apoptotic threshold and elevates susceptibility to metabolic, neurodegenerative and malignant disorders. Therefore, VDAC1 constitutes a pivotal research target for investigating mitochondrial channel biology, cell death physiology and bioenergetic disease pathogenic mechanisms.

Fig. 1 VDAC1 as core hub for mitochondrial metabolism and ER-mitochondria calcium crosstalk. (OA Literature)Fig. 1 Outer mitochondrial membrane VDAC1 acts as central channel mediating metabolite exchange and ER-mitochondrial Ca²⁺ signaling to regulate mitochondrial energy metabolism.1

VDAC1 Protein Function: Core Roles in Mitochondrial Metabolite Transport and Apoptotic Control

The biological functions of VDAC1 are focused on beta-barrel channel formation, voltage-dependent gating and mitochondrial-cytosolic metabolite exchange:

  • Outer Membrane Pore Formation: Assembles a large beta-barrel channel across the mitochondrial outer membrane for metabolite passage.
  • Voltage-Dependent Gating: Adjusts pore conductivity in response to membrane potential to control ion and metabolite flux.
  • Nucleotide and Metabolite Transport: Facilitates exchange of ATP, ADP and other small molecules between mitochondria and cytosol.
  • Apoptotic Signal Integration: Participates in mitochondrial permeability regulation and apoptotic protein release pathways.
  • Disease Relevance: Dysregulated VDAC1 gating or interaction alters mitochondrial bioenergetics and cell death threshold, contributing to metabolic, neurodegenerative and malignant pathologies.

VDAC1 Protein Product

Creative Biolabs offers high-quality VDAC1 proteins via optimized expression systems, covering full-length VDAC1 and isolated channel domain variants. These products retain native beta-barrel conformation and intrinsic voltage-dependent channel activity, suitable for channel-ligand interaction analysis, mitochondrial transport studies and VDAC1-targeted compound screening. All VDAC1 proteins undergo rigorous quality control to guarantee consistent functional performance and reliable application across diverse research platforms.

VDAC1 Membrane Protein Product

Not finding the membrane protein product you need? Contact us to start your one-stop custom service!

VDAC1 Stable Cell Line Product

Creative Biolabs provides custom engineered VDAC1 stable cell lines, including overexpression and gene silencing models. These cell line models are optimized for mitochondrial channel research, apoptotic phenotype and bioenergetic compound response profiling. Each cell line undergoes strict validation procedures to ensure steady target expression levels and uniform functional performance across multiple experimental scenarios.

VDAC1 Stable Cell Line Product

Not finding the stable cell line product you need? Contact us to start your one-stop custom service!

VDAC1 Recombinant Antibody Product

High-specificity recombinant antibodies targeting VDAC1 are developed with advanced antibody engineering workflows, without cross-reactivity against other VDAC family homologs. These antibodies receive multi-scenario functional validation, applicable to protein expression profiling, mitochondrial outer membrane localization detection, channel-protein binding assessment and mitochondrial research, enabling precise characterization of VDAC1 expression patterns, subcellular distribution and functional modulation under physiological and pathological states.

VDAC1 Recombinant Antibody Product

Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!

Product Features

  • Native Channel Activity: Preserves endogenous beta-barrel pore formation capacity and voltage-dependent gating function, supporting accurate mitochondrial channel biology and bioenergetic research.
  • VDAC Family Specificity: Validated for stable biological activity and specific outer mitochondrial membrane binding, delivering consistent and repeatable research readouts.
  • Mitochondrial Bioenergetics Compatibility: Optimized for metabolite transport analysis, apoptotic phenotype detection and VDAC1-targeted compound discovery, supplying reliable research tools.
  • Comprehensive Customization Support: Facilitates end-to-end development of customized proteins, antibodies and stable cell lines to address diverse mitochondrial channel and cell death research requirements.

Custom VDAC1 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for VDAC1 research:

  • Custom VDAC1 Protein Production: Tailored expression of VDAC1 sequence variants, epitope-tagged channel proteins and pore domain-truncated constructs for metabolite transport and apoptotic signal research.
  • Custom Antibody Development: Generation of VDAC1-specific antibodies for expression detection, mitochondrial membrane localization profiling, channel-protein binding evaluation and functional mechanism exploration.
  • Stable Cell Line Engineering: Custom VDAC1-modified cell models and mitochondrial research platforms with standardized functional validation.
  • Functional Assay Development: Design of VDAC1-mediated metabolite transport, voltage-dependent gating and mitochondrial apoptotic homeostasis detection assays.

Frequently Asked Questions (FAQ)

  1. What is the primary function of VDAC1?

    VDAC1 is the major voltage-dependent anion channel of the mitochondrial outer membrane, forming a beta-barrel pore to mediate metabolite transport and regulate apoptotic signaling.

  2. Why is VDAC1 a significant research target?

    VDAC1 controls mitochondrial metabolite exchange and apoptotic threshold; dysregulated function contributes to metabolic, neurodegenerative and malignant pathologies, establishing it as a vital research target.

  3. Are Creative Biolabs' VDAC1 products suitable for clinical use?

    No, all VDAC1 products and services are strictly for research use only, not intended for clinical diagnosis or treatment.

  4. What types of VDAC1 products does Creative Biolabs offer?

    Offerings include VDAC1 proteins, high-specificity recombinant antibodies and custom stable cell lines for mitochondrial channel biology and bioenergetic disorder research.

  5. How are VDAC1 proteins validated for activity?

    VDAC1 proteins undergo functional verification via channel activity assessment, voltage-dependent gating analysis and beta-barrel conformational stability evaluation.

Reference
  1. Shoshan-Barmatz, Varda, Eduardo N. Maldonado, and Yakov Krelin. "VDAC1 at the crossroads of cell metabolism, apoptosis and cell stress." Cell stress 1.1 (2017): 11. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.15698/cst2017.10.104
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