Slc1A1 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.
| Attribute | Value | [1]
|-----------|-------| [2]
| Gene Symbol | slc1a1 | [3]
| Full Name | Solute Carrier Family 1 Member 1 (EAAT3) |
| Chromosome | 9p24.1 |
| NCBI Gene ID | 6579 |
| OMIM ID | 133550 |
| UniProt ID | P43003 |
The excitatory amino acid transporter 3 (EAAT3), also known as SLC1A1, is a high-affinity glutamate transporter that plays a critical role in maintaining extracellular glutamate levels in the central nervous system. As part of the solute carrier family 1, EAAT3 is essential for preventing excitotoxicity and maintaining neuronal health. The transporter is particularly important in regions with high glutamatergic signaling, including the hippocampus, cortex, and basal ganglia.
EAAT3 operates as a sodium-dependent glutamate transporter that co-transports glutamate with three sodium ions and one proton, while counter-transporting one potassium ion per cycle. Key characteristics include:
The transporter contains eight transmembrane domains with intracellular N- and C-termini. EAAT3 can operate in both forward (uptake) and reverse modes depending on ionic gradients, with reverse transport occurring under pathological conditions.
EAAT3 exhibits region-specific expression throughout the brain and peripheral tissues:
EAAT3 dysfunction contributes to AD pathophysiology through multiple mechanisms:
In PD, EAAT3 plays a role in:
EAAT3 mutations and dysfunction are linked to epilepsy:
SLC1A1 variants are associated with:
Targeting EAAT3 offers therapeutic potential:
Research is ongoing to develop drugs that selectively enhance EAAT3 function without affecting other EAATs.
EAAT3 knockout mice exhibit:
The study of Slc1A1 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.