Gamma-aminobutyric acid transaminase deficiency
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Sign InDescription
GABA-transaminase deficiency is characterized by neonatal or early infantile-onset encephalopathy, hypotonia, hypersomnolence, epilepsy, choreoathetosis, and accelerated linear growth. Electroencephalograms show burst-suppression, modified hypsarrhythmia, multifocal spikes, and generalized spike-wave. Severity varies, but most patients have profound developmental impairment and some patients die in infancy (summary by Koenig et al., 2017).
Mode of Inheritance
- Autosomal recessive inheritance
VARIANTS
262