Conditions / Genetic

mitochondrial DNA depletion syndrome 6

info ยท Genetic

A mitochondrial DNA depletion syndrome that is characterized by infantile onset of progressive liver failure, often leading to death in the first year of life, and has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mut

A mitochondrial DNA depletion syndrome that is characterized by infantile onset of progressive liver failure, often leading to death in the first year of life, and has_material_basis_in autosomal recessive inheritance of homozygous or compound heterozygous mutation in the mitochondrial inner membrane protein MPV17 gene on chromosome 2p23.

Signs and symptoms

  • Peripheral axonal neuropathy
  • Hearing impairment
  • Mitochondrial depletion
  • Hypertyrosinemia
  • Gait imbalance
  • Generalized hypotonia
  • Constipation
  • Incoordination
  • Impaired distal proprioception
  • Decreased activity of mitochondrial complex III

Also known as: MPV17-related hepatocerebral mitochondrial DNA depletion syndrome; Navajo neurohepatopathy