Conditions / Genetic

mitochondrial DNA depletion syndrome 17

info ยท Genetic

A mitochondrial DNA depletion syndrome characterized by childhood onset of encephalopathy, stroke-like episodes, lactic acidosis, hypocitrullinemia, and multiple mitochondrial oxidative phosphorylation deficiencies that has_material_basis_in homozygous mutatio

A mitochondrial DNA depletion syndrome characterized by childhood onset of encephalopathy, stroke-like episodes, lactic acidosis, hypocitrullinemia, and multiple mitochondrial oxidative phosphorylation deficiencies that has_material_basis_in homozygous mutation in the MRM2 gene on chromosome 7p22.3. Phenotype is similar to MELAS syndrome.

Signs and symptoms

  • Cerebral atrophy
  • Status epilepticus
  • Hepatic failure
  • Seizure
  • Low plasma citrulline
  • Cerebellar atrophy
  • Spastic tetraparesis
  • Global developmental delay
  • Chorea
  • Epilepsia partialis continua