Slc17A7 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.
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| Attribute | Value |
|---|---|
| Protein Name | Vesicular Glutamate Transporter 1 (VGLUT1) |
| Gene Symbol | SLC17A7 |
| UniProt ID | Q9P2U7 |
| Molecular Weight | ~65 kDa |
| Subcellular Localization | Synaptic vesicles (glutamatergic neurons) |
| Protein Family | SLC17 family (VGLUT) |
| Brain Expression | Cortex, Hippocampus, Cerebellum |
The SLC17A7 gene encodes Vesicular Glutamate Transporter 1 (VGLUT1), a critical protein responsible for packaging glutamate into synaptic vesicles in glutamatergic neurons. VGLUT1 is the primary vesicular glutamate transporter in the forebrain and is essential for excitatory neurotransmission. It serves as a definitive marker for glutamatergic neurons and has become invaluable for mapping excitatory neural circuits in the brain.
VGLUT1 actively transports glutamate into synaptic vesicles using a proton gradient:
| Component | Role |
|---|---|
| V-ATPase | Creates H+ gradient |
| VGLUT1 | H+/glutamate antiporter |
| Chloride channel | Modulates activity |
| Region | Expression Level | Significance |
|---|---|---|
| Cerebral Cortex | Very High | Primary excitatory input |
| Hippocampus | Very High | Learning and memory |
| Cerebellar Cortex | High | Motor coordination |
| Thalamus | High | Sensory relay |
| Basal Ganglia | Moderate | Motor loop |
| Approach | Target | Status |
|---|---|---|
| VGLUT modulators | Enhance packaging | Research |
| mGluR modulators | Downstream targets | Clinical |
| AMPA modulators | Receptor activity | Approved |
The study of Slc17A7 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] Fremeau RT Jr, et al. The identification of vesicular glutamate transporter 1 defines a major population of excitatory neurons in the rat forebrain. J Neurosci. 2001;21(22):RC181. PMID:11099714
[2] Takamori S, et al. Vesicular glutamate transporters. Cell Mol Neurobiol. 2006;26(4-6):609-619. PMID:15958553