Ureagenesis disorders

From WikiLectures

Etiopathogenesis[edit | edit source]

Hereditary metabolic disorders of ureagenesis arise from a defect in ureagenetic enzymes.

Clinical picture[edit | edit source]

The disease manifests itself mostly soon after birth or in infancy. The main laboratory symptom is hyperamonemia.

In the clinical picture there is vomiting, refusal of food with proteins, intermittent ataxiea, increased irritability, lethargy, mentál retardation.

Includes:

  • Hyperamonemia type I (carbamoyl phosphate synthetase deficiency);
  • Hyperamonemia type II (deficiency of ornithinetranscarbamoylase) – increase in glutamine in the blood, urine, fluid;
  • Citrullinemia ((deficiency of argininosuccinate synthetase) – a large amount of citrulline in the urine – 1 to 2 g/day;
  • Argininosuccinate aciduria (argininosuccinase defect);
  • Hyperargininemia (arginase defect).


Links[edit | edit source]

Related articles[edit | edit source]

Template:Patobiochemie metabolických drah (Masopust)

Source[edit | edit source]


Kategorie:Patobiochemie Kategorie:Pediatrie