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Hereditary coproporphyria

P Martásek1

  • 1Department of Biochemistry, University of Texas Health Science Center, San Antonio 78284-7760, USA.

Seminars in Liver Disease
|March 28, 1998
PubMed
Summary
This summary is machine-generated.

Hereditary coproporphyria (HC) is a rare genetic disorder affecting the liver. Identifying mutations in the coproporphyrinogen III oxidase gene aids in diagnosing and managing HC attacks.

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Area of Science:

  • Biochemistry
  • Genetics
  • Hepatology

Background:

  • Hereditary coproporphyria (HC) is a rare acute hepatic porphyria.
  • Attacks can be triggered by drugs, alcohol, infections, or low caloric intake.
  • HC results from defects in coproporphyrinogen III oxidase (copro-ox).

Purpose of the Study:

  • To review mutations in the copro-ox gene.
  • To discuss molecular heterogeneity and diagnosis of HC.
  • To highlight potential improvements in HC patient care.

Main Methods:

  • Review of published literature on HC.
  • Analysis of identified mutations in the copro-ox gene.
  • Discussion of diagnostic markers like coproporphyrin III excretion.

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Main Results:

  • Ten mutations in the copro-ox gene, spread across six exons, have been identified.
  • Increased coproporphyrin III excretion is a specific diagnostic marker for HC attacks.
  • Genetic defects provide insights into molecular heterogeneity.

Conclusions:

  • DNA analysis of gene carriers can improve HC diagnosis.
  • Heme arginate offers a potential specific treatment for HC.
  • Understanding genetic mutations is crucial for advancing HC patient care.