Target intelligence / Profile preview

Vacuolar protein sorting 13 homolog C (VPS13C)

Target
VPS13C
Molecular classification
Lipid transport protein, Membrane contact site protein (organelle tether), Other (large cytoplasmic protein, not classified as receptor or enzyme)
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Overview

Vacuolar protein sorting 13 homolog C (VPS13C) is a large cytoplasmic lipid transport protein localized at membrane contact sites, particularly between the endoplasmic reticulum (ER) and late endosomes/lysosomes. VPS13C is believed to transfer lipids via a bridge-like mechanism, facilitating bulk lipid delivery between adjacent bilayers, and is required for proper mitochondrial function and lysosomal regulation. Mutations in VPS13C are strongly associated with familial forms of early-onset Parkinson's disease, suggesting a critical role in neurodegenerative disease. The protein interacts with ER and endosomal membranes through specific motifs, mediating organelle tethering and lipid flux. No drugs are currently known to target VPS13C directly, and its main clinical significance lies in genetic diagnostics and research into neurodegenerative pathology.

Other names
VPS13CC230055H22RikVacuolar protein sorting 13C
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Mechanism of action

Not applicable (no approved drugs directly target VPS13C as of current knowledge)

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Biological functions

Lipid transport between membranesMembrane contact site organizationRegulation of mitophagy (specifically negative regulation of type 2 mitophagy)Maintenance of mitochondrial function and membrane potentialLysosomal function regulation
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Disease associations

Neurodegenerative disease (notably Parkinson’s disease types 23, autosomal recessive early-onset)Lysosomal dysfunction-related disordersPotential metabolic and mitochondrial diseases (mouse model evidence)
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Safety considerations

Mutations lead to early-onset Parkinson's disease in humansLysosomal and mitochondrial dysfunction when impaired
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Biomarkers

Loss-of-function mutations (e.g., for identifying genetic risk in familial Parkinson’s disease)

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