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A Cell Culture Model for Producing High Titer Hepatitis E Virus Stocks
Published on: June 26, 2020
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Advances in Hepatitis E Virus Biology and Pathogenesis.
1Molecular Virology Laboratory, VA-MD College of Veterinary Medicine and Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742, USA.
Viruses
|February 12, 2021
Summary
Hepatitis E virus (HEV) causes liver inflammation globally. This review details HEV virology, immune evasion, and severe outcomes in pregnant women, highlighting challenges in managing chronic infections.
Area of Science:
- Virology
- Hepatology
- Immunology
Background:
- Hepatitis E virus (HEV) is a global cause of liver inflammation.
- HEV comprises four genotypes, with genotypes 1 & 2 primarily infecting humans and 3 & 4 causing zoonotic infections.
- HEV infection can lead to acute hepatitis, but genotype 1 poses severe risks to pregnant women, potentially causing fulminant hepatitis.
Purpose of the Study:
- To review advances in Hepatitis E virus (HEV) virology.
- To discuss the HEV life cycle and viral interference with host immune responses.
- To explore the pathogenesis of HEV infection in pregnant women and challenges in chronic cases.
Main Methods:
- Literature review of HEV research.
- Analysis of viral-host interactions.
- Synthesis of data on HEV pathogenesis and immune response.
Main Results:
- HEV genotypes 1 & 2 cause acute hepatitis, while genotype 1 infection in pregnant women can be fatal.
- HEV genotype 3 infections can become chronic and rapidly progressive in immunocompromised individuals.
- HEV employs complex strategies to downregulate host antiviral defenses and promote its replication.
Conclusions:
- Understanding HEV's interaction with host cells is crucial for determining infection outcomes.
- HEV pathogenesis, particularly in pregnant women and immunocompromised patients, requires further investigation.
- Advances in HEV research offer insights into viral replication, immune evasion, and disease progression.
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