label: Hyperornithinemia-Hyperammonemia-Homocitrullinuria Syndrome
label_lc: hyperornithinemia-hyperammonemia-homocitrullinuria syndrome
description: An autosomal recessive disorder caused by mutation(s) in the SLC25A15 gene, encoding mitochondrial ornithine transporter 1. The condition is characterized by failure to thrive, liver dysfunction, psychomotor retardation, encephalopathy and seizures.