Construction and characterization of infectious intragenotypic and intergenotypic hepatitis C virus chimeras.

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Serval ID
serval:BIB_D90919F8880C
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Construction and characterization of infectious intragenotypic and intergenotypic hepatitis C virus chimeras.
Journal
Proceedings of the National Academy of Sciences of the United States of America
Author(s)
Pietschmann T., Kaul A., Koutsoudakis G., Shavinskaya A., Kallis S., Steinmann E., Abid K., Negro F., Dreux M., Cosset F.L., Bartenschlager R.
ISSN
0027-8424 (Print)
ISSN-L
0027-8424
Publication state
Published
Issued date
09/05/2006
Peer-reviewed
Oui
Volume
103
Number
19
Pages
7408-7413
Language
english
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov't
Publication Status: ppublish
Abstract
Chronic liver disease caused by infection with hepatitis C virus (HCV) is an important global health problem that currently affects 170 million people. A major impediment in HCV research and drug development has been the lack of culture systems supporting virus production. This obstacle was recently overcome by using JFH1-based full-length genomes that allow production of viruses infectious both in vitro and in vivo. Although this improvement was important, because of the restriction to the JFH1 isolate and a single chimera consisting of J6CF and JFH1-derived sequences, broadly based comparative studies between different HCV strains were not possible. Therefore, in this study we created a series of further chimeric genomes allowing production of infectious genotype (GT) 1a, 1b, 2a, and 3a particles. With the exception of the GT3a/JFH1 chimera, efficient virus production was obtained when the genome fragments were fused via a site located right after the first transmembrane domain of NS2. The most efficient construct is a GT2a/2a chimera consisting of J6CF- and JFH1-derived sequences connected via this junction. This hybrid, designated Jc1, yielded infectious titers 100- to 1,000-fold higher than the parental isolate and all other chimeras, suggesting that determinants within the structural proteins govern kinetic and efficiency of virus assembly and release. Finally, we describe an E1-specific antiserum capable of neutralizing infectivity of all HCV chimeras.
Keywords
Antibodies, Monoclonal/immunology, Antibodies, Monoclonal/pharmacology, Cell Line, Tumor, Chimerism, Genome, Viral/genetics, Genotype, Hepacivirus/genetics, Hepacivirus/metabolism, Humans, Kinetics, Molecular Sequence Data, RNA, Viral/genetics, Viral Envelope Proteins/genetics, Viral Envelope Proteins/immunology, Viral Envelope Proteins/metabolism
Pubmed
Web of science
Open Access
Yes
Create date
11/06/2021 10:17
Last modification date
07/07/2021 7:13
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