Clinical significance of pre-S mutations in patients with genotype C hepatitis B virus infection

M. S. Choi, doyoung kim, D. H. Lee, J. H. Lee, K. C. Koh, S. W. Paik, J. C. Rhee, B. C. Yoo

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Abstract

We investigated the overall and site-specific prevalence of pre-S mutations and its clinical significance in patients with genotype C hepatitis B virus (HBV) infection. Three hundred subjects were included: 50 asymptomatic carriers (AC), 87 chronic hepatitis (CH), 91 liver cirrhosis (LC) and 72 hepatocellular carcinoma (HCC). Pre-S mutations were determined by nucleotide sequence analysis. Possible correlations between pre-S mutations and clinical/virological parameters were examined. Pre-S mutations were detected in 82 cases (27.3%); it was more frequently found in HCC (43.1%) and LC (35.2%) group than in the CH (20.7%) and AC (2.0%) group. Pre-S2 deletion was the most commonly found mutation (10.7%), followed by pre-S2 start codon mutation (9.7%), pre-S1-S2 deletion (3.0%) and both pre-S2 deletion and start codon mutation (2.7%). Pre-S2 deletion and pre-S2 start codon mutation were more frequently detected in advanced diseases (LC and HCC). Pre-S mutations were associated with older age and higher rates of positive HBV DNA (≥0.5 pg/mL). Advanced disease and positive HBV DNA were shown to be independent predictors of pre-S mutations by logistic regression analysis. These findings suggest that pre-S mutations, especially pre-S2 deletions and pre-S2 start codon mutations, are common in patients with genotype C HBV infection and are associated with advanced liver disease and active viral replication.

Original languageEnglish
Pages (from-to)161-168
Number of pages8
JournalJournal of Viral Hepatitis
Volume14
Issue number3
DOIs
Publication statusPublished - 2007 Mar 1

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Virus Diseases
Hepatitis B virus
Genotype
Mutation
Initiator Codon
Liver Cirrhosis
Hepatocellular Carcinoma
Chronic Hepatitis
DNA
Sequence Analysis
Liver Diseases
Logistic Models
Regression Analysis

All Science Journal Classification (ASJC) codes

  • Hepatology
  • Infectious Diseases
  • Virology

Cite this

Choi, M. S. ; kim, doyoung ; Lee, D. H. ; Lee, J. H. ; Koh, K. C. ; Paik, S. W. ; Rhee, J. C. ; Yoo, B. C. / Clinical significance of pre-S mutations in patients with genotype C hepatitis B virus infection. In: Journal of Viral Hepatitis. 2007 ; Vol. 14, No. 3. pp. 161-168.
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Clinical significance of pre-S mutations in patients with genotype C hepatitis B virus infection. / Choi, M. S.; kim, doyoung; Lee, D. H.; Lee, J. H.; Koh, K. C.; Paik, S. W.; Rhee, J. C.; Yoo, B. C.

In: Journal of Viral Hepatitis, Vol. 14, No. 3, 01.03.2007, p. 161-168.

Research output: Contribution to journalArticle

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