Conditions / Genetic

multiple mitochondrial dysfunctions syndrome 7

info ยท Genetic

A multiple mitochondrial dysfunctions syndrome characterized by a clinical spectrum ranging from neonatal fatal glycine encephalopathy to an attenuated phenotype of developmental delay, behavioral problems, limited epilepsy, and variable movement problems that

A multiple mitochondrial dysfunctions syndrome characterized by a clinical spectrum ranging from neonatal fatal glycine encephalopathy to an attenuated phenotype of developmental delay, behavioral problems, limited epilepsy, and variable movement problems that has_material_basis_in homozygous or compound heterozygous mutation in the GCSH gene on chromosome 16q23.

Signs and symptoms

  • Lethargy
  • Exaggerated startle response
  • Decreased liver function
  • Dystonia
  • Seizure
  • Elevated brain lactate level by MRS
  • Reduced brain N-acetyl aspartate level by MRS
  • Myoclonic seizure
  • Hyperglycemia
  • Partial atrioventricular canal defect

Also known as: MMDS7