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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...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
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...
Viruses with RNA Genomes01:29

Viruses with RNA Genomes

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...
What are Viruses?00:50

What are Viruses?

Overview
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...

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Related Experiment Video

Updated: Jul 11, 2026

Development of a Hepatitis B Virus Reporter System to Monitor the Early Stages of the Replication Cycle
09:35

Development of a Hepatitis B Virus Reporter System to Monitor the Early Stages of the Replication Cycle

Published on: February 1, 2017

Hepatitis C viral life cycle.

Tetsuro Suzuki1, Koji Ishii, Hideki Aizaki

  • 1Department of Virology II, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan. tesuzuki@nih.go.jp

Advanced Drug Delivery Reviews
|September 11, 2007
PubMed
Summary

Hepatitis C virus (HCV) causes chronic liver disease globally. This review details HCV

Area of Science:

  • Hepatology
  • Virology
  • Molecular Biology

Background:

  • Hepatitis C virus (HCV) is a significant global cause of chronic liver disease.
  • The cloning of the HCV genome in 1989 enabled molecular studies.
  • Understanding HCV's molecular biology is crucial for disease management.

Purpose of the Study:

  • To review the genomic organization of Hepatitis C virus.
  • To summarize the characteristics of viral proteins.
  • To outline the viral life cycle of HCV.

Main Methods:

  • Literature review of molecular studies on HCV.
  • Analysis of genomic organization and protein features.
  • Synthesis of current knowledge on the HCV life cycle.

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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

Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors
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Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors

Published on: July 16, 2012

Related Experiment Videos

Last Updated: Jul 11, 2026

Development of a Hepatitis B Virus Reporter System to Monitor the Early Stages of the Replication Cycle
09:35

Development of a Hepatitis B Virus Reporter System to Monitor the Early Stages of the Replication Cycle

Published on: February 1, 2017

A Protocol for Analyzing Hepatitis C Virus Replication
13:04

A Protocol for Analyzing Hepatitis C Virus Replication

Published on: June 26, 2014

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

Main Results:

  • Significant progress in understanding HCV molecular biology, particularly protein processing and genome replication.
  • Detailed insights into the genomic structure of HCV.
  • Characterization of key viral proteins involved in the HCV life cycle.

Conclusions:

  • Current understanding of HCV genomic organization, protein characteristics, and life cycle has advanced significantly.
  • Further research is needed to fully elucidate all stages of the HCV life cycle.
  • This review consolidates essential knowledge for researchers and clinicians.