Conditions / Genetic

congenital disorder of glycosylation Ii

info ยท Genetic

A congenital disorder of glycosylation I that is characterized by iris coloboma, cataract, infantile spasms, developmental delay and abnormal coagulation factors and has_material_basis_in compound heterozygous mutation in the ALG2 gene on chromosome 9q22.

Signs and symptoms

  • Hypsarrhythmia
  • Delayed CNS myelination
  • Hepatomegaly
  • Severe intellectual disability
  • Infantile spasms
  • Reduced factor XI activity
  • Nystagmus
  • Iris coloboma
  • Prolonged partial thromboplastin time
  • Type I transferrin isoform profile

Also known as: congenital disorder of glycosylation 1i