Identification of acute intermittent porphyria carriers by molecular biologic methods

Márta Bor, Katalin Balogh, Ágnes Pusztai, Gyöngyi Tasnádi, L. Hunyady

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Acute intermittent porphyria (AIP) is an autosomal dominant disease caused by mutations of the gene coding for hidroxymethylbilane synthase. Acute attack of AJP is a potentially life-threatening condition precipitated by certain drugs, alcohol, fasting and stress. Biochemical diagnosis before the manifestation of the symptoms is problematic, and genetic screening is required to identify asymptotic carriers. The aim of this study was to establish a fast, reproducible and reliable genetic method to detect mutations causing AIP. Exon 10 of one healthy individual and 12 AIP patients was studied using a recently developed method, temporal temperature gradient electrophoresis (TTGE). Mutation of exon 10 was detected using TTGE in one patient. DNA sequence analysis confirmed the presence of a heterozygous point mutation causing substitution of the arginine in position 173 of the gene with glutamine. These results were also confirmed using restriction enzyme analysis, and this method and TTGE identified a child of this patient as an asymptotic carrier of AIP.

Original languageEnglish
Pages (from-to)147-153
Number of pages7
JournalActa Physiologica Hungarica
Volume86
Issue number2
Publication statusPublished - 1999

Fingerprint

Acute Intermittent Porphyria
Electrophoresis
Mutation
Temperature
Exons
Restriction Mapping
Gene Order
Genetic Testing
Glutamine
DNA Sequence Analysis
Point Mutation
Arginine
Fasting
Alcohols
Pharmaceutical Preparations
Genes

Keywords

  • Acute intermittent porphyria
  • Asymptotic carrier of acute intermittent porphyria
  • DNA sequence analysis
  • Hidroxymethylbilane synthase
  • Mutation
  • Restriction enzyme analysis

ASJC Scopus subject areas

  • Physiology

Cite this

Identification of acute intermittent porphyria carriers by molecular biologic methods. / Bor, Márta; Balogh, Katalin; Pusztai, Ágnes; Tasnádi, Gyöngyi; Hunyady, L.

In: Acta Physiologica Hungarica, Vol. 86, No. 2, 1999, p. 147-153.

Research output: Contribution to journalArticle

Bor, M, Balogh, K, Pusztai, Á, Tasnádi, G & Hunyady, L 1999, 'Identification of acute intermittent porphyria carriers by molecular biologic methods', Acta Physiologica Hungarica, vol. 86, no. 2, pp. 147-153.
Bor, Márta ; Balogh, Katalin ; Pusztai, Ágnes ; Tasnádi, Gyöngyi ; Hunyady, L. / Identification of acute intermittent porphyria carriers by molecular biologic methods. In: Acta Physiologica Hungarica. 1999 ; Vol. 86, No. 2. pp. 147-153.
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