Preferred Label : Argininemia;
Type : Phenotype, molecular basis known;
Alternative titles and symbols : Arg1 deficiency; HYPERARGININEMIA; Arginase deficiency;
Description : Arginase deficiency is an autosomal recessive inborn error of metabolism caused by
a defect in the final step in the urea cycle, the hydrolysis of arginine to urea and
ornithine. Urea cycle disorders are characterized by the triad of hyperammonemia,
encephalopathy, and respiratory alkalosis. Five disorders involving different defects
in the biosynthesis of the enzymes of the urea cycle have been described: ornithine
transcarbamylase deficiency (311250), carbamyl phosphate synthetase deficiency (237300),
argininosuccinate synthetase deficiency, or citrullinemia (215700), argininosuccinate
lyase deficiency (207900), and arginase deficiency.;
Inheritance : Autosomal recessive;
Molecular basis : Caused by mutation in the arginase gene (ARG1, 207800.0001);
Laboratory abnormalities : Hyperammonemia; Diaminoaciduria (argininuria, lysinuria, cystinuria, ornithinuria); Hyperargininemia; Orotic aciduria; Pyrimidinuria; Elevated CSF amino acids (arginine, ornithine, aspartate, threonine, glycine, and
methionine);
Prefixed ID : #207800;
Origin ID : 207800;
UMLS CUI : C0268548;
Automatic exact mappings (from CISMeF team)
Currated CISMeF NLP mapping
DO Cross reference
Genes related to phenotype
HPO term(s)
ORDO concept(s)
Semantic type(s)
UMLS correspondences (same concept)
Validated automatic mappings to NTBT