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Nutritional and Metabolic Diseases > Metabolic Diseases > Mitochondrial Diseases > Pyruvate Dehydrogenase Complex Deficiency Disease

Preferred term

Pyruvate Dehydrogenase Complex Deficiency Disease  

Type

  • Topical Descriptor

Entry terms

  • Ataxia, Intermittent, with Abnormal Pyruvate Metabolism
  • Ataxia, Intermittent, with Pyruvate Dehydrogenase, or Decarboxylase, Deficiency
  • Deficiency, PDH
  • Deficiency, PDHC
  • Deficiency, Pyruvate Decarboxylase
  • Deficiency, Pyruvate Dehydrogenase
  • Intermittent Ataxia with Pyruvate Dehydrogenase Deficiency
  • PDHC Deficiency
  • PDHC Deficiency Disease
  • PDH Deficiency
  • Pyruvate Decarboxylase Deficiency
  • Pyruvate Dehydrogenase Complex Deficiency
  • Pyruvate Dehydrogenase Deficiency

Scope note

  • An inherited metabolic disorder caused by deficient enzyme activity in the PYRUVATE DEHYDROGENASE COMPLEX, resulting in deficiency of acetyl CoA and reduced synthesis of acetylcholine. Two clinical forms are recognized: neonatal and juvenile. The neonatal form is a relatively common cause of lactic acidosis in the first weeks of life and may also feature an erythematous rash. The juvenile form presents with lactic acidosis, alopecia, intermittent ATAXIA; SEIZURES; and an erythematous rash. (From J Inherit Metab Dis 1996;19(4):452-62) Autosomal recessive and X-linked forms are caused by mutations in the genes for the three different enzyme components of this multisubunit pyruvate dehydrogenase complex. One of the mutations at Xp22.2-p22.1 in the gene for the E1 alpha component of the complex leads to LEIGH DISEASE.

History note

  • 2000(1989); use PYRUVATE METABOLISM, INBORN ERRORS 1989-1990

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URI

http://www.yso.fi/onto/mesh/D015325

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