Conditions / Genetic

mitochondrial complex III deficiency nuclear type 5

info ยท Genetic

A mitochondrial complex III deficiency characterized by neonatal onset of severe metabolic acidosis associated with hyperammonemia and hypoglycemia and that has_material_basis_in homozygous mutation in the UQCRC2 gene on chromosome 16p12.

Signs and symptoms

  • Increased circulating pyruvate concentration
  • Increased circulating lactate concentration
  • Hyperammonemia
  • Hypoglycemia
  • Metabolic acidosis
  • Global developmental delay
  • Episodic tachypnea
  • Hyperalaninemia
  • Decreased liver function
  • Elevated circulating hepatic transaminase concentration