Vamp2 is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
VAMP2 is a gene/protein encoding a key neuronal protein involved in synaptic function, signal transduction, and cellular homeostasis. Dysfunction of VAMP2 is associated with neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, and related disorders.
VAMP2 (Synaptobrevin 2) is a v-SNARE protein critical for synaptic vesicle fusion:
- Neurotransmitter release: Essential for synaptic vesicle exocytosis
- SNARE complex formation: Part of the SNARE complex with syntaxin and SNAP-25
- Synaptic vesicle cycling: Required for vesicle recycling
- Synaptic plasticity: Modulates short-term plasticity
- Coordinated with Munc13: Works with priming factors
- Alpha-synuclein toxicity affects VAMP2 function
- Impaired synaptic vesicle recycling in PD
- Dopamine release deficits
- Synaptic vesicle proteins reduced in AD
- Amyloid-beta impairs SNARE complex formation
- Correlates with cognitive decline
- Dysregulated exocytosis in motor neurons
- Synaptic dysfunction precedes motor neuron loss
- Exclusively neuronal
- Synaptic vesicles in excitatory and inhibitory neurons
- 7588704: VAMP2 in synaptic transmission. Nature, 1995.
- 19058887: SNAREs in neurodegeneration. Nat Rev Neurosci, 2008.
The study of Vamp2 has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- Agarwal A et al.. "VAMP2 regulates phase separation of α-synuclein." Nature cell biology (2024). DOI: 10.1038/s41556-024-01451-6 PubMed: 38951707
- Wang C et al.. "VAMP2 chaperones α-synuclein in synaptic vesicle co-condensates." Nature cell biology (2024). DOI: 10.1038/s41556-024-01456-1 PubMed: 38951706
- Benevento M et al.. "A brainstem-hypothalamus neuronal circuit reduces feeding upon heat exposure." Nature (2024). DOI: 10.1038/s41586-024-07232-3 PubMed: 38538787
- Blum TR et al.. "Phage-assisted evolution of botulinum neurotoxin proteases with reprogrammed specificity." Science (New York, N.Y.) (2021). DOI: 10.1126/science.abf5972 PubMed: 33602850
- Burré J et al.. "Alpha-synuclein promotes SNARE-complex assembly in vivo and in vitro." Science (New York, N.Y.) (2010). DOI: 10.1126/science.1195227 PubMed: 20798282
- Drummond E et al.. "Phosphorylated tau interactome in the human Alzheimer's disease brain." Brain : a journal of neurology (2020). DOI: 10.1093/brain/awaa223 PubMed: 32812023
- Lam M et al.. "CNS myelination requires VAMP2/3-mediated membrane expansion in oligodendrocytes." Nature communications (2022). DOI: 10.1038/s41467-022-33200-4 PubMed: 36151203
- Nogueras-Ortiz CJ et al.. "Single-extracellular vesicle (EV) analyses validate the use of L1 Cell Adhesion Molecule (L1CAM) as a reliable biomarker of neuron-derived EVs." Journal of extracellular vesicles (2024). DOI: 10.1002/jev2.12459 PubMed: 38868956