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Published on: June 26, 2020
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Morphogenesis of Hepatitis E Virus
Xing Liu1, Shuhui Qi1, Xin Yin2
1State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Advances in Experimental Medicine and Biology
|May 24, 2023
Summary
Hepatitis E virus (HEV) exists in both naked and quasi-enveloped forms, impacting hepatitis E pathogenesis. Recent discoveries explore the dual life cycle and implications of quasi-enveloped HEV, advancing molecular biology understanding.
Area of Science:
- Virology
- Hepatology
- Molecular Biology
Background:
- Hepatitis E virus (HEV) was historically classified as a non-enveloped virus.
- HEV is a major global cause of acute hepatitis.
- Recent findings reveal a quasi-enveloped form of HEV associated with a lipid membrane.
Purpose of the Study:
- To review recent discoveries on the dual life cycle of naked and quasi-enveloped HEV.
- To discuss the implications of quasi-envelopment in HEV molecular biology.
- To elucidate the biogenesis and functional mechanisms of quasi-enveloped HEV virions.
Main Methods:
- Literature review of recent HEV research.
- Analysis of studies on HEV virion composition and biogenesis.
- Discussion of the functional roles of different HEV forms in pathogenesis.
Main Results:
- HEV exhibits a dual life cycle involving both naked and quasi-enveloped virions.
- The quasi-enveloped form of HEV is associated with a lipid membrane.
- Both forms contribute significantly to the pathogenesis of hepatitis E.
Conclusions:
- The existence of quasi-enveloped HEV challenges previous classifications.
- Understanding the biogenesis and function of quasi-enveloped HEV is crucial.
- This dual nature of HEV has significant implications for understanding HEV molecular biology and pathogenesis.
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