Synapsin 1 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Synapsin-1 is a neuronal phosphoprotein encoded by the SYN1 gene that regulates synaptic vesicle clustering and neurotransmitter release at presynaptic terminals.
| Property | Value |
|---|---|
| Protein Name | Synapsin-1 |
| Gene Encoding | SYN1 |
| UniProt ID | P17600 |
| Molecular Weight | 74 kDa |
| Subcellular Localization | Presynaptic terminal (synaptic vesicles) |
| Protein Family | Synapsin family |
Synapsin-1 is a member of the synapsin family of neuronal phosphoproteins that play essential roles in synaptic vesicle trafficking and neurotransmitter release.
Synapsin-1 is a 705-amino acid protein with a complex domain structure:
Synapsin-1 is phosphorylated at multiple sites by:
During development and in mature neurons, synapsin-1 clusters synaptic vesicles in the presynaptic terminal.
Synapsin-1 modulates neurotransmitter release probability.
During neuronal development, synapsin-1 is involved in axon pathfinding and synapse formation.
Synapsin-1 expression is significantly reduced in AD brains, reflecting synaptic loss.
In Parkinson's disease, synapsin-1 alterations affect dopaminergic neurotransmission.
SYN1 mutations are associated with epilepsy in humans.
Synapsin-1 alterations have been reported in ALS.
| Approach | Description | Status |
|---|---|---|
| Synapsin Expression | Gene therapy to restore synapsin levels | Preclinical |
| Phosphorylation Modulators | Kinase inhibitors/activators targeting synapsin | Research |
| CSF Biomarker | Synapsin as synaptic marker | Clinical use |
The study of Synapsin 1 Protein 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.
[1] Greengard P, et al. (1993). The synapsins. Annual Review of Cell Biology. PMID:8278533
[2] Cesca F, et al. (2010). Synapsin function in neuronal development. Nature Reviews Neuroscience. PMID:20414303
[3] Gitler D, et al. (2004). Synapsin I regulates glutamate release. Journal of Neuroscience. PMID:15456816
[4] Fornasiero EF, et al. (2010). Synapsins: from activity-dependent buffers to modulators of plasticity. Frontiers in Cellular Neuroscience. PMID:20700516
Current research on Synapsin-1 focuses on several key areas:
Synapsin-1 represents a potential therapeutic target: