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What are the types of urea cycle disorders (UCDs)?

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There are eight types of UCDs:

  • ARG1 deficiency -- Arginase
  • ASL deficiency -- Argininosuccinate lyase
  • ASS1 deficiency -- Argininosuccinate synthase 1
  • Citrin deficiency -- Citrin
  • CPSI deficiency -- Carbamoyl phosphate synthetase I
  • NAGS deficiency -- N-acetylglutamate synthase
  • ORNT1 deficiency -- Ornithine translocase
  • OTC deficiency -- Ornithine transcarbamylase

From: What Are Urea Cycle Disorders? WebMD Medical Reference

SOURCES:

National Organization for Rare Disorders: “Ornithine Transcarbamylase Deficiency,” “Urea Cycle Disorders (UCD).”

Cincinnati Children’s: “Urea Cycle Disorder (UCD).”

Gene Reviews: “Urea Cycle Disorders Overview.”

National Organization for Rare Disorders: “Ornithine Transcarbamylase Deficiency.”

Reviewed by Hansa D. Bhargava on September 20, 2017

SOURCES:

National Organization for Rare Disorders: “Ornithine Transcarbamylase Deficiency,” “Urea Cycle Disorders (UCD).”

Cincinnati Children’s: “Urea Cycle Disorder (UCD).”

Gene Reviews: “Urea Cycle Disorders Overview.”

National Organization for Rare Disorders: “Ornithine Transcarbamylase Deficiency.”

Reviewed by Hansa D. Bhargava on September 20, 2017

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Who is more likely to have urea cycle disorders (UCDs)?

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