Clinical implications of the titer of serum hepatitis B surface antigen during the natural history of hepatitis B virus infection

Sang Jun Suh, Song I. Bae, Ji Hoon Kim, Keunhee Kang, Jong Eun Yeon, Kwan Soo Byun

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Although there are some differences in hepatitis B surface antigen (HBsAg) titers in infection with different hepatitis B virus (HBV) genotypes, the HBsAg titers for each HBV genotype have not been evaluated extensively. The aim of this study was to investigate HBsAg titers during the natural history of patients infected with HBV in Korea, where the HBV genotype C is endemic exclusively. Four hundred fifteen patients were enrolled retrospectively and classified according to definitions of the natural phases of HBV infection. In total, 73, 118, 147, and 77 patients were classified in the immune tolerance, immune clearance, low replicative, and HBeAg-negative hepatitis phases, respectively. HBsAg titers (4.35±0.67, 3.74±0.68, 2.39±1.23, and 3.29±0.64log10IU/ml) were significantly different in the immune tolerance, immune clearance, low replicative, and HBeAg-negative hepatitis phases, respectively (P<0.001). The ratio of HBsAg to HBV DNA was highest in the low replicative phase (1.13±0.71, all P<0.001) and second highest in the HBeAg-negative hepatitis phase (0.58±0.18, all P<0.05). In multivariate analysis of all patients, the HBsAg titers did not correlate with alanine aminotransferase. However, the HBsAg titers correlated with age (P=0.038), platelet count (P<0.001) and HBV DNA (P<0.001). In subgroup analysis, the HBsAg titers correlated with HBV DNA in all phases (P<0.001), except for the HBeAg-negative hepatitis phase. HBsAg titers were significantly different across the four phases of the natural history of the infection and correlated significantly with HBV DNA titer in genotype C chronic hepatitis B patients. The HBsAg titer could be used as a biomarker to differentiate the natural history of HBV infection.

Original languageEnglish
Pages (from-to)117-123
Number of pages7
JournalJournal of Medical Virology
Volume86
Issue number1
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Virus Diseases
Hepatitis B Surface Antigens
Natural History
Hepatitis B virus
Serum
Hepatitis B e Antigens
Hepatitis
Genotype
Immune Tolerance
DNA
Chronic Hepatitis B
Korea
Infection
Viral Load
Alanine Transaminase
Platelet Count
Multivariate Analysis
Biomarkers

Keywords

  • Chronic hepatitis B
  • Hepatitis B surface antigen
  • Natural history

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Clinical implications of the titer of serum hepatitis B surface antigen during the natural history of hepatitis B virus infection. / Suh, Sang Jun; Bae, Song I.; Kim, Ji Hoon; Kang, Keunhee; Yeon, Jong Eun; Byun, Kwan Soo.

In: Journal of Medical Virology, Vol. 86, No. 1, 01.01.2014, p. 117-123.

Research output: Contribution to journalArticle

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