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Velkov, S.* ; Protzer, U. ; Michler, T.

Global occurrence of clinically relevant hepatitis B virus variants as found by analysis of publicly available sequencing data.

Viruses 12:1344 (2020)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Several viral factors impact the natural course of hepatitis B virus (HBV) infection, the sensitivity of diagnostic tests, or treatment response to interferon-α and nucleos(t)ide analogues. These factors include the viral genotype and serotype but also mutations affecting the HBV surface antigen, basal core promoter/pre-core region, or reverse transcriptase. However, a comprehensive overview of the distribution of HBV variants between HBV genotypes or different geographical locations is lacking. To address this, we performed an in silico analysis of publicly available HBV full-length genome sequences. We found that not only the serotype frequency but also the majority of clinically relevant mutations are primarily associated with specific genotypes. Distinct mutations enriched in certain world regions are not explained by the local genotype distribution. Two HBV variants previously identified to confer resistance to the nucleotide analogue tenofovir in vitro were not identified, questioning their translational relevance. In summary, our work elucidates the differences in the clinical manifestation of HBV infection observed between genotypes and geographical locations and furthermore helps identify suitable diagnostic tests and therapies.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Escape Mutation ; Genotype ; Hepatitis B Virus ; Nucleoside Resistance Mutation ; Pre-core Mutation ; Serotype; Basal Core Promoter; Viral Replication; Mutations; Epidemiology; Resistance; Genotypes; Hbv; Susceptibility; Association; Infection
Sprache englisch
Veröffentlichungsjahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 1999-4915
e-ISSN 1999-4915
Zeitschrift Viruses
Quellenangaben Band: 12, Heft: 11, Seiten: , Artikelnummer: 1344 Supplement: ,
Verlag MDPI
Verlagsort St Alban-anlage 66, Ch-4052 Basel, Switzerland
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Virology (VIRO)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Immune Response and Infection
PSP-Element(e) G-502700-003
Förderungen Deutsche Forschungsgemeinschaft (DFG, German Research foundation)
Else-Kroner research college 'Microbial triggers as cause for disease'
DOI 10.3390/v12111344
WOS ID WOS:000593719900001
Scopus ID 85096817539
PubMed ID 33238650
Erfassungsdatum 2020-12-15
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