Abstract:
:The study was undertaken to investigate the features and clinical implications of hepatitis B virus (HBV) genotypes, basal core promoter (BCP) and precore (PC) mutations in hepatitis B-related acute-on-chronic liver failure (HB-ACLF). Samples from 75 patients with HB-ACLF and without pre-existing liver cirrhosis and 328 age-matched patients with chronic hepatitis B (CHB) were analyzed. HBV genotype and BCP/PC mutations were determined by direct sequencing. Mutations at 8 sites of the BCP/PC region were compared between the two groups of patients. A significantly higher ratio of genotype B to C was found in patients with HB-ACLF than in patients with CHB (30.7-69.3% vs 16.5-82.6%, P < 0.01). Single mutations including T1753V (C/A/G), A1762T, G1764A, G1896A and G1899A and triple mutations T1753V/A1762T/G1764A and A1762T/G1764A/C1766T (or T1768A) were more frequently detected in patients with HB-ACLF than in patients with CHB. Correspondingly, BCP/PC wild-type sequences were absent in patients with HB-ACLF in contrast to 27.1% in patients with CHB. The BCP/PC mutations were found to be associated with increased HBeAg negativity, higher alanine aminotransferase level and lower viral load. Patients with HB-ACLF infected with the PC mutant virus had a higher mortality. The findings suggest that patients with CHB infected with genotype B with BCP/PC mutations were more likely to develop HB-ACLF than those with genotype C with wild-type BCP/PC regions, and patients with HB-ACLF with the PC mutation had increased risk of a fatal outcome.
journal_name
J Viral Hepatjournal_title
Journal of viral hepatitisauthors
Ren X,Xu Z,Liu Y,Li X,Bai S,Ding N,Zhong Y,Wang L,Mao P,Zoulim F,Xu Ddoi
10.1111/j.1365-2893.2009.01254.xsubject
Has Abstractpub_date
2010-12-01 00:00:00pages
887-95issue
12eissn
1352-0504issn
1365-2893pii
JVH1254journal_volume
17pub_type
杂志文章abstract::Chronic hepatitis B virus (HBV)-infected patients with liver failure have a poor prognosis, and no satisfactory biomarkers are available for diagnosis before the end-stage. We explored serum peptide profiling for diagnosis and prediction of progression to liver failure in HBV-infected patients. Serum samples (164) fro...
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pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Journal of viral hepatitis
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2001-07-01 00:00:00
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pub_type: 杂志文章,评审
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pub_type: 杂志文章
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journal_title:Journal of viral hepatitis
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pub_type: 杂志文章,多中心研究
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
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更新日期:2002-11-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章,多中心研究,随机对照试验
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