Mondo Description Gamma-aminobutyric acid transaminase (GABA-T) deficiency is an extremely rare disorder of GABA metabolism characterized by a severe neonatal-infantile epileptic encephalopathy (manifesting with symptoms such as seizures, hypotonia, hyperreflexia and developmental delay) and growth acceleration.

Uniprot Description An enzymatic deficiency resulting in psychomotor retardation, hypotonia, hyperreflexia, lethargy, refractory seizures, and EEG abnormalities.

Disease Ontology Description A gamma-amino butyric acid metabolism disorder that is characterized by a defect in the gene coding for gamma-aminobutyrate transaminase, which is responsible for catabolism of gamma-aminobutyric acid (GABA), an important, mostly inhibitory neurotransmitter in the central nervous system, into succinic semialdehyde.