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Related Concept Videos

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...
Hepatitis01:25

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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...
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Viral Mutations

A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material for adaptive...
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Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
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Related Experiment Video

Updated: May 23, 2026

Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA
04:11

Real-Time Polymerase Chain Reaction-Based Detection and Quantification of Hepatitis B Virus DNA

Published on: December 15, 2023

New challenges in viral hepatitis.

David Thomas1, Fabien Zoulim

  • 1Division of Infectious Diseases, Johns Hopkins School of Medicine, Suite 437, 1830 Monument Street, Baltimore, MD 21205, USA. dthomas@jhmi.edu

Gut
|April 17, 2012
PubMed
Summary
This summary is machine-generated.

Significant progress has been made in diagnosing, treating, and preventing viral hepatitis. However, new challenges in viral hepatitis research and patient care are emerging.

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Area of Science:

  • Hepatology and Virology

Background:

  • Decades of research have led to major advancements in understanding and managing viral hepatitis.
  • Reliable diagnostic and monitoring tools are now available for all major hepatitis virus infections.

Purpose of the Study:

  • To outline the next generation of challenges in the field of viral hepatitis.
  • To highlight key issues for future research and clinical practice.

Main Methods:

  • This article serves as an introduction to a supplement focused on future directions.
  • It synthesizes current knowledge and identifies critical areas for advancement.

Main Results:

  • Despite progress, significant challenges persist in the viral hepatitis landscape.
  • Key issues requiring attention are identified for the next phase of research.

Conclusions:

  • Continued innovation is crucial to address the remaining challenges in viral hepatitis.
  • This work sets the stage for future research and improved patient outcomes.