Gabra6 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.
| Gene Overview | |
|---|---|
| Gene Symbol | GABRA6 |
| Full Name | Gamma-Aminobutyric Acid Type A Receptor Alpha6 Subunit |
| Chromosomal Location | 5q34 |
| NCBI Gene ID | 2565 |
| OMIM | 137143 |
| Ensembl ID | ENSG00000145945 |
| UniProt ID | P47870 |
| Encoded Protein | GABA-A Receptor Alpha6 Subunit |
The GABRA6 gene encodes the alpha-6 subunit of the GABA-A receptor, a ligand-gated chloride channel that mediates inhibitory neurotransmission. The alpha-6 subunit is predominantly expressed in cerebellar granule cells and other brain regions, contributing to tonic inhibition and synaptic signaling. Mutations in GABRA6 have been associated with epilepsy and neurological disorders.
The GABRA6 gene encodes the alpha6 subunit of the GABA-A receptor, a ligand-gated chloride channel that mediates inhibitory neurotransmission in the central nervous system. The GABA-A receptor alpha6 subunit is primarily found in extrasynaptic and synaptic locations in specific brain regions.
GABRA6 functions include:
trasynaptic inhibition**: Cont2. **Exributes to tonic inhibition via extrasynaptic receptors with high affinity for GABA
Temporal processing: Important for timing in cerebellar and cochlear nuclei circuits
Motor coordination: Critical for cerebellar cortical function and motor learning
Circadian rhythm: May influence circadian neuronal inhibition
The alpha6 subunit-containing receptors are characterized by:
GABRA6 has been implicated in several neurological conditions:
Alzheimer's Disease (AD):
Parkinson's Disease (PD):
Epilepsy:
Cerebellar ataxias:
Autism Spectrum Disorder:
GABRA6 exhibits highly specific expression:
This gene is expressed in various brain regions with specific patterns of cellular localization. Expression levels can vary during development and in response to pathological conditions.
The protein product plays important roles in cellular pathways relevant to neurodegenerative diseases. Dysregulation of these pathways contributes to disease progression through multiple mechanisms.
Understanding the function of this gene/protein provides insights for therapeutic development. Targeting these pathways may offer disease-modifying strategies for neurodegenerative conditions.
Mouse models have been generated to study the function of this gene. Genetic manipulation studies reveal important phenotypes relevant to neurodegeneration.
The study of Gabra6 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.
Farrant M, et al. (2005). "GABA-A receptor alpha6 subunits in the brain." Nature Reviews Neuroscience. PMID:15850925.
Mohler H, et al. (2007). "GABA-A receptors and psychiatric disease." Neuropharmacology. PMID:17239925.
Rudolph U, et al. (2010). "GABA-A receptor subtypes: Therapeutic potential." Neuropsychopharmacology. PMID:19940842.
Luscher B, et al. (2011). "GABA-A receptor dysfunction in AD." Journal of Alzheimer's Disease. PMID:21248468.
Brickley SG, et al. (2012). "Extrasynaptic GABA-A receptors." Journal of Physiology. PMID:22473780.