Detection of the hepatitis B virus major pre-core mutation by the amplification refractory mutation system technique

M. Gramegna, P. Lampertico, A. Lobbiani, G. Colucci

Research output: Contribution to journalArticle

Abstract

HBeAg/anti-HBe seroconversion is associated, in some patients affected by type B chronic active hepatitis (CAH), with the occurrence of HBV pre-core mutants characterized by a common G-A change at codon 83. Since this mutation has important clinical correlations, we tried to develop a fast and reliable PCR test based on the amplification refractory mutation system (ARMS) technique, which has been successfully used to identify point mutations associated with genetic diseases. Following this approach, we analysed HBV particles isolated from 7 patients with anti-HBe CAH and previously characterized by DNA sequencing. Sera containing only wild type or mutant HBV DNA or a combination of both showed a discrete amplification product only in the presence of the specific wild type or mutant upstream primer. These results confirm the efficacy of the ARMS technique in detecting in a rapid and specific fashion the most common and clinically relevant HBV pre-core mutation.

Original languageEnglish
Pages (from-to)307-309
Number of pages3
JournalResearch in Virology
Volume144
Issue numberC
DOIs
Publication statusPublished - 1993

Fingerprint

Hepatitis B virus
Mutation
Chronic Hepatitis
Inborn Genetic Diseases
Hepatitis B e Antigens
DNA Sequence Analysis
Point Mutation
Codon
Polymerase Chain Reaction
DNA
Serum

Keywords

  • HBV, PCR, ARMS, Pre-core, mutation
  • Sequence, HBeAg, anti-HBe, Technique

ASJC Scopus subject areas

  • Immunology
  • Virology

Cite this

Detection of the hepatitis B virus major pre-core mutation by the amplification refractory mutation system technique. / Gramegna, M.; Lampertico, P.; Lobbiani, A.; Colucci, G.

In: Research in Virology, Vol. 144, No. C, 1993, p. 307-309.

Research output: Contribution to journalArticle

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