Symptoms of ABAT Gene GABA-Transaminase Deficiency Genetic Test GABA-transaminase deficiency, caused by mutations in the ABAT gene, is a rare genetic disorder that impacts the central nervous system. The ABAT gene plays a critical role in the metabolism of gamma-aminobutyric acid (GABA), an important neurotransmitter in the brain responsible for reducing neuronal excitability. Mutations in […]











