Conditions / Genetic

multiple mitochondrial dysfunctions syndrome 3

info ยท Genetic

A multiple mitochondrial dysfunctions syndrome that is characterized by loss of previously acquired developmental milestones in the first months or years of life, and has_material_basis_in autosomal recessive inheritance of homozygous mutation in the iron-sulf

A multiple mitochondrial dysfunctions syndrome that is characterized by loss of previously acquired developmental milestones in the first months or years of life, and has_material_basis_in autosomal recessive inheritance of homozygous mutation in the iron-sulfur cluster assembly factor IBA57 gene on chromosome 1q42.

Signs and symptoms

  • Elevated brain choline level by MRS
  • Hypotonia
  • Elevated lactate:pyruvate ratio
  • Beta-aminoisobutyric aciduria
  • Decreased activity of mitochondrial complex II
  • Ventriculomegaly
  • Lactic acidosis
  • Cerebral atrophy
  • Microcephaly
  • Polyhydramnios

Also known as: IBA57 deficiency