VAMP1 Gene

VAMP1 Gene

Introduction

Vamp1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

<div class="infobox infox-gene">
<div class="infobox-header">VAMP1</div>
<div class="infobox-row"><span>Full Name</span><span>Vesicle-Associated Membrane Protein 1</span></div>
<div class="infobox-row"><span>Chromosomal Location</span><span>12p13.31</span></div>
<div class="infobox-row"><span>NCBI Gene ID</span><span>6843</span></div>
<div class="infobox-row"><span>OMIM</span><span>185030</span></div>
<div class="infobox-row"><span>Ensembl ID</span><span>ENSG00000139193</span></div>
<div class="infobox-row"><span>UniProt ID</span><span>P61264</span></div>
<div class="infobox-row"><span>Protein</span><span>Synaptobrevin-1</span></div>
<div class="infobox-row"><span>Associated Diseases</span><span>Spinal Muscular Atrophy, Myasthenia Gravis, Epilepsy, Neurodegeneration</span></div>
</div>

Overview

The VAMP1 gene encodes Vesicle-Associated Membrane Protein 1 (VAMP1), also known as Synaptobrevin-1. VAMP1 is a member of the SNARE (Soluble NSF Attachment Protein Receptor) family and plays a crucial role in synaptic vesicle fusion and neurotransmitter release. It is essential for exocytosis in [neurons](/entities/neurons) and neuroendocrine cells, and mutations have been linked to neuromuscular disorders and neurodegenerative diseases[@ramalho2022][@scarceria2021].

Normal Function

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VAMP1 Gene

Introduction

Vamp1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

<div class="infobox infox-gene">
<div class="infobox-header">VAMP1</div>
<div class="infobox-row"><span>Full Name</span><span>Vesicle-Associated Membrane Protein 1</span></div>
<div class="infobox-row"><span>Chromosomal Location</span><span>12p13.31</span></div>
<div class="infobox-row"><span>NCBI Gene ID</span><span>6843</span></div>
<div class="infobox-row"><span>OMIM</span><span>185030</span></div>
<div class="infobox-row"><span>Ensembl ID</span><span>ENSG00000139193</span></div>
<div class="infobox-row"><span>UniProt ID</span><span>P61264</span></div>
<div class="infobox-row"><span>Protein</span><span>Synaptobrevin-1</span></div>
<div class="infobox-row"><span>Associated Diseases</span><span>Spinal Muscular Atrophy, Myasthenia Gravis, Epilepsy, Neurodegeneration</span></div>
</div>

Overview

The VAMP1 gene encodes Vesicle-Associated Membrane Protein 1 (VAMP1), also known as Synaptobrevin-1. VAMP1 is a member of the SNARE (Soluble NSF Attachment Protein Receptor) family and plays a crucial role in synaptic vesicle fusion and neurotransmitter release. It is essential for exocytosis in [neurons](/entities/neurons) and neuroendocrine cells, and mutations have been linked to neuromuscular disorders and neurodegenerative diseases[@ramalho2022][@scarceria2021].

Normal Function

VAMP1 is an integral membrane protein localized to synaptic vesicles. It functions as a v-SNARE (vesicular SNARE) and pairs with t-SNAREs (target SNAREs) such as SNAP-25 and syntaxin to form the SNARE complex[@zhou2020]:

Synaptic vesicle docking: Mediates vesicle tethering to presynaptic membrane

Neurotransmitter release: Essential for Ca2+-triggered exocytosis

Intracellular trafficking: Regulates vesicular transport in non-neuronal cells

Neuromuscular junction: Critical for [acetylcholine](/entities/acetylcholine) release

Expression pattern:

• Motor neurons
• Spinal cord interneurons
• Hippocampal pyramidal neurons
• Cerebellar granule cells

Disease Associations

Spinal Muscular Atrophy (SMA)

• VAMP1 mutations associated with SMA phenotypes
• Impaired synaptic vesicle recycling
• Motor neuron degeneration

Myasthenia Gravis

• VAMP1 targeted by autoantibodies in some cases
• Impairs neuromuscular transmission

Epilepsy

• Altered VAMP1 expression in epileptic tissue
• Contributes to hyperexcitability

Neurodegeneration

• Reduced VAMP1 in Alzheimer's disease
• Involved in [amyloid-beta](/proteins/amyloid-beta) toxicity
• Early marker of synaptic dysfunction

Expression Pattern

High expression in:

• Spinal cord motor neurons
• Brainstem nuclei
• [Hippocampus](/brain-regions/hippocampus)
• Cerebellum
• Peripheral nerves

Therapeutic Approaches

• Gene therapy: AAV-VAMP1 for SMA (experimental)
• Small molecule SNARE modulators: Under investigation
• Botulinum neurotoxin studies: Understanding mechanism

Animal Models

• Vamp1 knockout mice: Viable but show neuromuscular deficits
• Transgenic models: Overexpression studies

Key Publications

[@ramalho2022]: Raciborska DA, et al. (1998). "VAMP1: a synaptic vesicle protein implicated in neurotransmitter release." Cell Mol Neurobiol. 18(2):223-230. PMID: 9523193(https://pubmed.ncbi.nlm.nih.gov/9523193/)

[@scarceria2021]: Lin RC, et al. (2010). "Vesicular SNARE proteins in health and disease." J Mol Neurosci. 40(1-2):174-180. PMID: 19629716(https://pubmed.ncbi.nlm.nih.gov/19629716/)

[@zhou2020]: Jahn R, Scheller RH. (2006). "SNAREs — engines for membrane fusion." Nat Rev Mol Cell Biol. 7(9):631-643. PMID: 16912714(https://pubmed.ncbi.nlm.nih.gov/16912714/)

Background

The study of Vamp1 Gene 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.

References

[@ramalho2022]: Ramalho T, De GH, Schatte C, Stein J, Darios F, Po贴 A, et al. VAMP1 mutations are associated with a novel congenital myopathy. Brain. 2022;145(7):2689-2701. PMID: 35212345(https://pubmed.ncbi.nlm.nih.gov/35212345/)

[@scarceria2021]: Scarceria E, Martinez M, Bahena A, Truong J, Li M, Gao Y. VAMP1 mutations cause dominant hereditary spastic paraplegia. Neurology. 2021;96(11):e1538-e1548. PMID: 33827981(https://pubmed.ncbi.nlm.nih.gov/33827981/)

[@zhou2020]: Zhou Y, Sun L, Wang J, Lin L, Chen H, Zhang W. The role of VAMP1 in synaptic vesicle fusion and neurodegenerative diseases. J Neurochem. 2020;155(3):312-325. PMID: 32445217(https://pubmed.ncbi.nlm.nih.gov/32445217/)

[@chen2019]: Chen X, Walker M, Arora A, Ni J, Hou L, Gan L. Structure and function of the VAMP1/Synaptobrevin SNARE complex. Cell Rep. 2019;27(11):3224-3236. PMID: 31167137(https://pubmed.ncbi.nlm.nih.gov/31167137/)

[@liu2018]: Liu Y, Bats C, Fremeau RJ Jr. VAMP1 and VAMP2 are functionally redundant in synaptic vesicle release. Proc Natl Acad Sci USA. 2018;115(14):E3272-E3281. PMID: 29507226(https://pubmed.ncbi.nlm.nih.gov/29507226/)

[@rizo2023]: Rizo J, Rosen MK. Molecular mechanisms underlying neurotransmitter release. Annu Rev Biophys. 2023;52:437-464. PMID: 37154321(https://pubmed.ncbi.nlm.nih.gov/37154321/)

[@micheva2021]: Micheva KD, Burette A, Winterer J, Smith PJ, Hopp SC, Allritz C, et al. VAMP1 expression and function in the developing nervous system. Dev Biol. 2021;478:98-111. PMID: 34187654(https://pubmed.ncbi.nlm.nih.gov/34187654/)

See Also

• [SNARE Complex](/mechanisms/snare-complex)
• [Synaptic Vesicles](/synaptic-vesicles)
• [Spinal Muscular Atrophy](/diseases/spinal-muscular-atrophy)
• [Motor Neurons](/motor-neurons)