Conditions / Genetic

Peroxisome biogenesis disorder 8B

info ยท Genetic

A peroxisomal biogenesis disorder that is characterized by the overlapping phenotypes of neonatal adrenoleukodystrophy and infantile Refsum disease and that has_material_basis_in homozygous mutation in the PEX16 gene on chromosome 11p11.

Signs and symptoms

  • Elevated circulating phytanic acid concentration
  • Very long chain fatty acid accumulation
  • Cataract
  • Dysarthria
  • Decreased liver function
  • Dysmetria
  • Ataxia
  • Failure to thrive
  • Frequent falls
  • Leukodystrophy