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Clinical and serological variation between patients infected with different Hepatitis B virus genotypes.

Kidd-Ljunggren, Karin LU ; Myhre, Erling LU and Bläckberg, Jonas LU (2004) In Journal of Clinical Microbiology 42(12). p.5837-5841
Abstract
Hepatitis B virus (HBV) has eight genotypes which have distinct geographical distributions. Studies comparing differences in the clinical outcomes of infections caused by strains with genotype-related variations in the HBV genome have largely compared genotypes B and C and genotypes A and D but not all four genotypes. The present study included 196 HBV-infected patients attending an infectious diseases outpatient clinic in Sweden. The age and geographic origin, liver function, HBeAg and anti-HBe status, and the presence or absence of HBV DNA were analyzed for each patient. HBV DNA was detected in 144 patients, and the HBV genotype and the core promoter and precore sequences were determined for the isolates from 101 of these patients. Among... (More)
Hepatitis B virus (HBV) has eight genotypes which have distinct geographical distributions. Studies comparing differences in the clinical outcomes of infections caused by strains with genotype-related variations in the HBV genome have largely compared genotypes B and C and genotypes A and D but not all four genotypes. The present study included 196 HBV-infected patients attending an infectious diseases outpatient clinic in Sweden. The age and geographic origin, liver function, HBeAg and anti-HBe status, and the presence or absence of HBV DNA were analyzed for each patient. HBV DNA was detected in 144 patients, and the HBV genotype and the core promoter and precore sequences were determined for the isolates from 101 of these patients. Among the patients who might be considered most likely to be nonviremic, namely, anti-HBe-positive HBV carriers with normal alanine aminotransferase (ALT) levels, 65% had detectable HBV DNA and were thus viremic. Among the viremic patients, HBeAg-positive patients were more likely to have elevated ALT levels than anti-HBe-positive patients. HBV genotypes A to F were represented in the study, and their distributions coincided accurately with the origin of the patient. A significantly higher number of genotype D-infected patients were anti-HBe positive and had elevated ALT levels (42% of genotype D-infected patients but 0% of patients infected with genotypes B and C). Genotype D strains with mutations in the core promoter and precore regions were significantly correlated with elevated ALT levels in the patients. The differences were not age related. Therefore, in this large-scale cross-sectional study, genotype D appears to be associated with more active disease. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Clinical Microbiology
volume
42
issue
12
pages
5837 - 5841
publisher
American Society for Microbiology
external identifiers
  • pmid:15583320
  • wos:000226035800059
  • scopus:10844264016
ISSN
1098-660X
DOI
10.1128/JCM.42.12.5837-5841.2004
language
English
LU publication?
yes
id
493d4df8-3063-487d-87b9-dfbc21490943 (old id 132126)
alternative location
http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=PubMed&list_uids=15583320&dopt=Abstract
date added to LUP
2016-04-01 15:45:33
date last changed
2022-01-28 06:54:57
@article{493d4df8-3063-487d-87b9-dfbc21490943,
  abstract     = {{Hepatitis B virus (HBV) has eight genotypes which have distinct geographical distributions. Studies comparing differences in the clinical outcomes of infections caused by strains with genotype-related variations in the HBV genome have largely compared genotypes B and C and genotypes A and D but not all four genotypes. The present study included 196 HBV-infected patients attending an infectious diseases outpatient clinic in Sweden. The age and geographic origin, liver function, HBeAg and anti-HBe status, and the presence or absence of HBV DNA were analyzed for each patient. HBV DNA was detected in 144 patients, and the HBV genotype and the core promoter and precore sequences were determined for the isolates from 101 of these patients. Among the patients who might be considered most likely to be nonviremic, namely, anti-HBe-positive HBV carriers with normal alanine aminotransferase (ALT) levels, 65% had detectable HBV DNA and were thus viremic. Among the viremic patients, HBeAg-positive patients were more likely to have elevated ALT levels than anti-HBe-positive patients. HBV genotypes A to F were represented in the study, and their distributions coincided accurately with the origin of the patient. A significantly higher number of genotype D-infected patients were anti-HBe positive and had elevated ALT levels (42% of genotype D-infected patients but 0% of patients infected with genotypes B and C). Genotype D strains with mutations in the core promoter and precore regions were significantly correlated with elevated ALT levels in the patients. The differences were not age related. Therefore, in this large-scale cross-sectional study, genotype D appears to be associated with more active disease.}},
  author       = {{Kidd-Ljunggren, Karin and Myhre, Erling and Bläckberg, Jonas}},
  issn         = {{1098-660X}},
  language     = {{eng}},
  number       = {{12}},
  pages        = {{5837--5841}},
  publisher    = {{American Society for Microbiology}},
  series       = {{Journal of Clinical Microbiology}},
  title        = {{Clinical and serological variation between patients infected with different Hepatitis B virus genotypes.}},
  url          = {{https://lup.lub.lu.se/search/files/4464449/624279.pdf}},
  doi          = {{10.1128/JCM.42.12.5837-5841.2004}},
  volume       = {{42}},
  year         = {{2004}},
}