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Related Concept Videos

Hepatitis01:25

Hepatitis

78
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.
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Viruses with RNA Genomes01:29

Viruses with RNA Genomes

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RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
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Related Experiment Video

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A Protocol for Analyzing Hepatitis C Virus Replication
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A Protocol for Analyzing Hepatitis C Virus Replication

Published on: June 26, 2014

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A protocol for analyzing hepatitis C virus replication.

Songyang Ren1, Deisy Contreras1, Vaithilingaraja Arumugaswami2

  • 1Liver Program at Regenerative Medicine Institute, Department of Biomedical Sciences, Department of Surgery, Cedars-Sinai Medical Center.

Journal of Visualized Experiments : Jove
|July 8, 2014
PubMed
Summary

Hepatitis C Virus (HCV) research requires robust cell culture models. This study details virological assays to characterize HCV replication, aiding vaccine and therapy development.

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Last Updated: Apr 27, 2026

A Protocol for Analyzing Hepatitis C Virus Replication
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Area of Science:

  • Virology
  • Hepatology
  • Molecular Biology

Background:

  • Hepatitis C Virus (HCV) infects 3% of the global population, leading to severe liver diseases like cirrhosis and cancer.
  • Existing treatments for HCV are suboptimal, with significant side effects and no available vaccine, necessitating further research.
  • An effective HCV cell culture system is essential for understanding viral replication dynamics and developing interventions.

Purpose of the Study:

  • To present and validate a comprehensive set of virological assays for characterizing the Hepatitis C Virus replication cycle.
  • To establish a functional cell culture model for studying HCV infection and viral particle production.
  • To provide tools for assessing viral replication levels and infectivity crucial for therapeutic and vaccine development.

Main Methods:

  • Utilized a wild-type intragenotype 2a chimeric virus (FNX-HCV) and a Renilla luciferase reporter virus (FNX-Rluc) in a human hepatoma cell line (Huh-7).
  • Assessed viral RNA replication via quantitative RT-PCR and detection of double-stranded RNA.
  • Verified viral protein expression (NS3, NS5A) using Western blot and immunofluorescence; measured infectious viral particles and luciferase activity.

Main Results:

  • Demonstrated successful transfection and replication of HCV RNA in Huh-7 cells.
  • Confirmed the release of infectious HCV particles into cell culture supernatants.
  • Quantified viral replication levels and infectivity using luciferase reporter assays.

Conclusions:

  • The presented virological assays effectively characterize multiple stages of the HCV replication cycle in a cell culture system.
  • This methodology supports the study of HCV pathogenesis and the evaluation of novel antiviral strategies and vaccine candidates.
  • The established system provides a valuable platform for advancing Hepatitis C Virus research.