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Clinical and Diagnostic Laboratory Immunology, March 2000, p. 298-300, Vol. 7, No. 2
Molecular Diagnostics Laboratory, Institute
of Hygiene,1 Department of
Pediatrics,2 and Department of
Internal Medicine,3 Karl Franzens University,
A-8010 Graz, Austria
Received 27 August 1999/Returned for modification 15 October
1999/Accepted 15 November 1999
The level of hepatitis B virus (HBV) DNA in serum reflects the
replicative activity of HBV. To compare serum HBV DNA levels in
different states of hepatitis B, 47 sera of patients with
HBeAg-positive chronic hepatitis B, 4 sera of patients with
HBeAg-negative chronic hepatitis B, 40 samples of patients after HBeAg
seroconversion during alpha interferon treatment, 57 sera of inactive
HBsAg carriers, and 42 sera of patients who had recovered from
chronic hepatitis B more than 12 months prior to blood collection were
checked for the presence of HBV DNA with the Amplicor HBV Monitor Test.
In patients with HBeAg-positive chronic hepatitis B, the median of serum HBV DNA levels (8.3 × 108 copies/ml) was
significantly higher than that for patients after HBeAg seroconversion
(6.2 × 103 copies/ml) and than that for inactive
HBsAg carriers (5.6 × 103 copies/ml). None of the
patients who had recovered from hepatitis B had detectable HBV DNA in
serum. Quantitative PCR proved to be a valuable tool for identification
of different states of HBV infection. This technique was found to be a
good method for determination of serum HBV DNA levels both for patients
with HBeAg seroconversion and for inactive carriers who showed low
viremia not detectable by conventional hybridization assays.
1071-412X/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Identification of Different States of Hepatitis B
Virus Infection with a Quantitative PCR Assay
*
Corresponding author. Mailing address: Molecular
Diagnostics Laboratory, Institute of Hygiene, Karl Franzens University
Graz, Universitaetsplatz 4, A-8010 Graz, Austria. Phone:
43-316-380-4363. Fax: 49-316-380-9649. E-mail:
harald.kessler{at}kfunigraz.ac.at.
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