Conditions / Genetic

Peroxisome biogenesis disorder 5B

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 or compound heterozygous mutation in the PEX2 gene on chromosome 8q21.

Signs and symptoms

  • Rod-cone dystrophy
  • Joint hypermobility
  • Global developmental delay
  • Very long chain fatty acid accumulation
  • Decreased liver function
  • Dysmetria
  • Cerebellar atrophy
  • Ataxia
  • Generalized hypotonia
  • Nystagmus