Syn2 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.
| Synapsin II | |
|---|---|
| Gene Symbol | SYN2 |
| Full Name | Synapsin II |
| Chromosome | 3p25.2 |
| NCBI Gene ID | 6854 |
| OMIM | 185600 |
| Ensembl ID | ENSG00000153147 |
| UniProt ID | Q9UQ88 |
| Associated Diseases | Alzheimer's Disease, Parkinson's Disease, Epilepsy, Schizophrenia, Autism |
SYN2 (Synapsin II) is a neuronal phosphoprotein that plays essential roles in synaptic vesicle dynamics, neurotransmitter release, and synaptic plasticity. It is a member of the synapsin family (SYN1, SYN2, SYN3) and is primarily expressed in presynaptic terminals of neurons throughout the brain[1]. Synapsin II, along with other synapsins, is critical for maintaining synaptic vesicle pools and regulating the kinetics of neurotransmitter release, making it fundamental to normal brain function and vulnerable in neurodegenerative diseases[2].
Synapsin II orchestrates the synaptic vesicle lifecycle:
| Kinase | Site | Effect |
|---|---|---|
| PKA | Ser9, Ser443 | Dissociates from vesicles |
| CaMKII | Multiple sites | Activity-dependent release |
| MAPK | Ser428 | Long-term plasticity |
| Region | Expression | Notes |
|---|---|---|
| Hippocampus | Very High | CA1-CA3, dentate gyrus |
| Cerebral Cortex | Very High | All layers |
| Cerebellum | High | Granule cells |
| Basal Ganglia | Moderate | Striatum |
| Brainstem | Moderate | Motor nuclei |
The study of Syn2 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.
[1] Masliah E, et al. Synapsins in neurodegenerative disease. Prog Neurobiol. 2000;61(3):273-293.
[2] Gitler D, et al. Synapsin and Parkinson's disease. Nat Neurosci. 2008;11(11):1267-1269.