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Front Physiol. 2017 Jun 30;8:460. doi: 10.3389/fphys.2017.00460. eCollection 2017.

Mitochondrial VDAC1: A Key Gatekeeper as Potential Therapeutic Target.

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Department of Anesthesiology, Medical College of WisconsinMilwaukee, WI, United States.
Cardiovascular Center, Medical College of WisconsinMilwaukee, WI, United States.
Department of Assay Development, HD BiosciencesShanghai, China.
Department of Biochemistry, Beckman Institute for Advanced Science and Technology, Center for Biophysics and Quantitative Biology, University of Illinois at Urbana-ChampaignUrbana, IL, United States.
Department of Pharmacology and Toxicology, Medical College of WisconsinMilwaukee, WI, United States.


Mitochondria are the key source of ATP that fuels cellular functions, and they are also central in cellular signaling, cell division and apoptosis. Dysfunction of mitochondria has been implicated in a wide range of diseases, including neurodegenerative and cardiac diseases, and various types of cancer. One of the key proteins that regulate mitochondrial function is the voltage-dependent anion channel 1 (VDAC1), the most abundant protein on the outer membrane of mitochondria. VDAC1 is the gatekeeper for the passages of metabolites, nucleotides, and ions; it plays a crucial role in regulating apoptosis due to its interaction with apoptotic and anti-apoptotic proteins, namely members of the Bcl-2 family of proteins and hexokinase. Therefore, regulation of VDAC1 is crucial not only for metabolic functions of mitochondria, but also for cell survival. In fact, multiple lines of evidence have confirmed the involvement of VDAC1 in several diseases. Consequently, modulation or dysregulation of VDAC1 function can potentially attenuate or exacerbate pathophysiological conditions. Understanding the role of VDAC1 in health and disease could lead to selective protection of cells in different tissues and diverse diseases. The purpose of this review is to discuss the role of VDAC1 in the pathogenesis of diseases and as a potentially effective target for therapeutic management of various pathologies.


Alzheimer's disease; cardiac ischemia/reperfusion; hexokinase; mitochondria; molecular dynamics; neoplastic diseases; post-translational modification; voltage dependent anion channel

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