Gerilim Bağımlısı Anyon Kanalı Nörodejeneratif Hastalıklarda Önemli Bir Oyuncu mu?

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The family of voltage-dependent anion channels (VDACs) comprises three isoforms (VDAC-1, VDAC-2, VDAC-3). VDACs have been extensively described as localised in the outer mitochondrial membrane where they are involved in the exchange of ions, metabolites, and ATP/ADP between mitochondria and cytosol. The VDAC interacts with disease-specific proteins and thus regulates the mitochondrial function and controls the cellular energy resources, explaining its involvement in cell death and apoptosis. In addition, VDAC-1 and -2 can also be found at other cellular locations such as in the sarcoplasmic reticulum, in the endoplasmic reticulum, as well as in the plasma membrane. Through single-channel pore regulation, oligomerisation, or changed expression levels the VDAC is involved in different neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, Amyotrophic lateral sclerosis, Huntington's disease, and others. Here, we critically summarise current discussions about the VDAC as a common key player for these diseases. We suggest that the VDAC acts as a transmembrane multifunctional regulatory protein which might serve as a pharmacological target for the development of novel drugs against neurodegenerative diseases such as the application of recombinant antibody technology.

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