Therapy Implications of Hepatitis C Virus Genetic Diversity

Hepatitis C virus (HCV) is an important human pathogen with a high chronicity rate. An estimated 71 million people worldwide are living with chronic hepatitis C (CHC) infection, which carries the risk of progression to hepatic fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). Similar to other...

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Main Authors: Miguel Angel Martinez, Sandra Franco
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/13/1/41
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author Miguel Angel Martinez
Sandra Franco
author_facet Miguel Angel Martinez
Sandra Franco
author_sort Miguel Angel Martinez
collection DOAJ
description Hepatitis C virus (HCV) is an important human pathogen with a high chronicity rate. An estimated 71 million people worldwide are living with chronic hepatitis C (CHC) infection, which carries the risk of progression to hepatic fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). Similar to other RNA viruses, HCV has a high rate of genetic variability generated by its high mutation rate and the actions of evolutionary forces over time. There are two levels of HCV genetic variability: intra-host variability, characterized by the distribution of HCV mutant genomes present in an infected individual, and inter-host variability, represented by the globally circulating viruses that give rise to different HCV genotypes and subtypes. HCV genetic diversity has important implications for virus persistence, pathogenesis, immune responses, transmission, and the development of successful vaccines and antiviral strategies. Here we will discuss how HCV genetic heterogeneity impacts viral spread and therapeutic control.
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spelling doaj.art-53b91de6248e49e785c361bd73687d652023-11-21T03:00:03ZengMDPI AGViruses1999-49152020-12-011314110.3390/v13010041Therapy Implications of Hepatitis C Virus Genetic DiversityMiguel Angel Martinez0Sandra Franco1Miguel Angel Martínez, IrsiCaixa, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, SpainMiguel Angel Martínez, IrsiCaixa, Hospital Universitari Germans Trias i Pujol, 08916 Badalona, SpainHepatitis C virus (HCV) is an important human pathogen with a high chronicity rate. An estimated 71 million people worldwide are living with chronic hepatitis C (CHC) infection, which carries the risk of progression to hepatic fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). Similar to other RNA viruses, HCV has a high rate of genetic variability generated by its high mutation rate and the actions of evolutionary forces over time. There are two levels of HCV genetic variability: intra-host variability, characterized by the distribution of HCV mutant genomes present in an infected individual, and inter-host variability, represented by the globally circulating viruses that give rise to different HCV genotypes and subtypes. HCV genetic diversity has important implications for virus persistence, pathogenesis, immune responses, transmission, and the development of successful vaccines and antiviral strategies. Here we will discuss how HCV genetic heterogeneity impacts viral spread and therapeutic control.https://www.mdpi.com/1999-4915/13/1/41HCVgenetic diversityquasispeciestherapy
spellingShingle Miguel Angel Martinez
Sandra Franco
Therapy Implications of Hepatitis C Virus Genetic Diversity
Viruses
HCV
genetic diversity
quasispecies
therapy
title Therapy Implications of Hepatitis C Virus Genetic Diversity
title_full Therapy Implications of Hepatitis C Virus Genetic Diversity
title_fullStr Therapy Implications of Hepatitis C Virus Genetic Diversity
title_full_unstemmed Therapy Implications of Hepatitis C Virus Genetic Diversity
title_short Therapy Implications of Hepatitis C Virus Genetic Diversity
title_sort therapy implications of hepatitis c virus genetic diversity
topic HCV
genetic diversity
quasispecies
therapy
url https://www.mdpi.com/1999-4915/13/1/41
work_keys_str_mv AT miguelangelmartinez therapyimplicationsofhepatitiscvirusgeneticdiversity
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