Related Experiment Video

Updated: Feb 3, 2026

siRNA Screening to Identify Ubiquitin and Ubiquitin-like System Regulators of Biological Pathways in Cultured Mammalian Cells
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VDAC2: an emerging pivotal and multifaceted regulator in tumor biology

Jianqiao Shentu1, Hening Xu1, Ling Jin1

  • 1Department of Clinical Medicine, School of Medicine, Hangzhou City University, Hangzhou, 310015, Zhejiang, China.

Apoptosis : an International Journal on Programmed Cell Death
|February 1, 2026
PubMed

Insights

Voltage-dependent anion channel 2 (VDAC2) is a key mitochondrial protein regulating cell death and cancer progression. This review consolidates VDAC2 knowledge in oncology, highlighting its potential as a biomarker and therapeutic target.

Area of Science:

  • Mitochondrial biology
  • Cancer research
  • Cell death pathways

Background:

  • Voltage-dependent anion channel 2 (VDAC2) is a mitochondrial outer membrane protein with unique structural and functional roles.
  • VDAC2 acts as a dual regulator in apoptosis, inhibiting BAK while supporting BAX-mediated cell death.
  • Its involvement spans metabolic reprogramming, ROS homeostasis, ferroptosis, and mitochondrial quality control in cancer.

Purpose of the Study:

  • To systematically review the current understanding of VDAC2 in oncology.
  • To identify research limitations and challenges concerning VDAC2.
  • To provide strategic insights for future VDAC2 investigations in cancer.

Main Methods:

  • Systematic literature review and consolidation of existing research on VDAC2.
  • Analysis of VDAC2's structural features and functional roles in cellular processes.
  • Examination of VDAC2's involvement in tumor progression and its association with cancer prognosis.

Main Results:

  • VDAC2 possesses unique structural characteristics contributing to its non-redundant functions.
  • VDAC2 exhibits context-dependent roles in apoptosis, acting as a "dual regulatory hub".
  • Dysregulated VDAC2 expression correlates with prognosis in various cancers, indicating its biomarker potential.

Conclusions:

  • VDAC2 is a critical player in cancer progression and cell fate determination.
  • VDAC2 presents significant promise as a diagnostic biomarker and therapeutic target in oncology.
  • Further research is needed to fully elucidate VDAC2's complex roles and therapeutic potential.
Keywords:
Cancer biomarkerMitochondrial outer membrane (MOM)Therapeutic targetTumor microenvironment (TME)Voltage-dependent anion channel 2 (VDAC2)

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