Conditions / Genetic

dihydropyrimidine dehydrogenase deficiency

info ยท Genetic

A purine-pyrimidine metabolic disorder that is an autosomal recessive metabolic disorder in which there is absent or significantly decreased activity of dihydropyrimidine dehydrogenase, an enzyme involved in the metabolism of uracil and thymine.

Signs and symptoms

  • Hypertonia
  • Reduced dihydropyrimidine dehydrogenase level
  • Hypotonia
  • Motor delay
  • Uraciluria
  • Elevated urinary dihydrothymine level
  • Failure to thrive
  • Nystagmus
  • Hyperactivity
  • Cerebral atrophy

Also known as: Dihydrouracil Dehydrogenase deficiency; familial pyrimidinaemia; thymine-uracilurea