Conditions / Genetic

muscular dystrophy-dystroglycanopathy type C8

info ยท Genetic

A muscular dystrophy-dystroglycanopathy characterized by onset in childhood of a variable phrenotype that ranges from mild intellectual disability and gait abnormalities to asymptomatic that has_material_basis_in homozygous or compound heterozygous mutation in

A muscular dystrophy-dystroglycanopathy characterized by onset in childhood of a variable phrenotype that ranges from mild intellectual disability and gait abnormalities to asymptomatic that has_material_basis_in homozygous or compound heterozygous mutation in the POMGNT2 gene on chromosome 3p22.1.

Signs and symptoms

  • Elevated circulating creatine kinase activity
  • Calf muscle hypertrophy
  • Delayed speech and language development
  • Intellectual disability
  • Distal amyotrophy
  • Global developmental delay
  • Motor delay
  • Gowers sign
  • Proximal muscle weakness

Also known as: LGMDR24; MDDGC2; autosomal recessive limb-girdle muscular dystrophy 24; muscular dystrophy-dystroglycanopathy (limb-girdle) type C, 8; muscular dystrophy-dystroglycanopathy, limb-girdle, POMGNT2-related