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Related Concept Videos

Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...

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Related Experiment Video

Updated: Jun 28, 2026

Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors
16:49

Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors

Published on: July 16, 2012

Full-length infectious HCV chimeras.

Thomas Pietschmann1

  • 1Center for Experimental and Clinical Infection Research, Department of Experimental Virology, Hannover, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|November 15, 2008
PubMed
Summary
This summary is machine-generated.

Hepatitis C virus (HCV) genetic diversity drives chronic infections. Researchers developed methods to study chimeric HCV genomes, combining JFH1 replicase with other HCV strains to investigate viral properties.

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Related Experiment Videos

Last Updated: Jun 28, 2026

Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors
16:49

Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors

Published on: July 16, 2012

A Protocol for Analyzing Hepatitis C Virus Replication
13:04

A Protocol for Analyzing Hepatitis C Virus Replication

Published on: June 26, 2014

Early Viral Entry Assays for the Identification and Evaluation of Antiviral Compounds
09:29

Early Viral Entry Assays for the Identification and Evaluation of Antiviral Compounds

Published on: October 29, 2015

Area of Science:

  • Virology
  • Molecular Biology
  • Hepatology

Background:

  • Hepatitis C virus (HCV) exhibits significant genetic plasticity due to error-prone RNA replication, facilitating chronic infections.
  • HCV is classified into six genotypes (GTs) and numerous subtypes, with genetic variations potentially influencing biological properties.

Purpose of the Study:

  • To describe experimental procedures for evaluating infectious full-length chimeric Hepatitis C virus (HCV) genomes.
  • To expand the utility of the JFH1-based cell culture system for studying HCV replication.

Main Methods:

  • Construction of chimeric HCV genomes by combining JFH1-derived replicase proteins with structural proteins from heterologous HCV strains.
  • Utilizing the JFH1 isolate's efficient replication in Huh-7 cells to investigate the complete viral replication cycle.

Main Results:

  • The JFH1 isolate (GT2a) demonstrates unprecedented replication efficiency in cell culture, enabling complete viral cycle studies.
  • Chimeric HCV genomes were successfully constructed, allowing for the evaluation of infectious viral properties.

Conclusions:

  • The development of chimeric HCV systems provides a powerful tool for studying the biological properties of diverse HCV isolates.
  • Investigating chimeric HCV genomes aids in understanding the genetic determinants of HCV replication and pathogenesis.