Conditions / Genetic

mitochondrial complex III deficiency nuclear type 9

info ยท Genetic

A mitochondrial complex III deficiency that has_material_basis_in homozygous mutation in the UQCC3 gene on chromosome 11q12.

Signs and symptoms

  • Periventricular cysts
  • Hypermetropia
  • Feeding difficulties
  • Decreased activity of mitochondrial complex III
  • Sleep disturbance
  • Increased circulating lactate concentration
  • Hypotonia
  • Global developmental delay
  • Increased CSF lactate
  • Elevated lactate:pyruvate ratio