Hepatitis B and D virus entry

Hepatitis B virus (HBV) entry is the initial step of viral infection, leading to the formation of covalently closed circular DNA, which is a molecular reservoir of viral persistence and a key obstacle for HBV cure. The restricted entry of HBV into specific cell types determines the nature of HBV, wh...

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Vydáno v:Nature reviews. Microbiology Ročník 23; číslo 5; s. 318
Hlavní autoři: Watashi, Koichi, Shionoya, Kaho, Kobayashi, Chisa, Morita, Takeshi
Médium: Journal Article
Jazyk:angličtina
Vydáno: England 01.05.2025
Témata:
Animals
Hepatitis B - virology
Hepatitis B Surface Antigens - metabolism
Hepatitis B virus - physiology
Hepatitis D - virology
Hepatitis Delta Virus - physiology
Humans
Organic Anion Transporters, Sodium-Dependent - metabolism
Receptors, Virus - metabolism
Symporters - metabolism
Virus Internalization
ISSN:1740-1534, 1740-1534
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Shrnutí:Hepatitis B virus (HBV) entry is the initial step of viral infection, leading to the formation of covalently closed circular DNA, which is a molecular reservoir of viral persistence and a key obstacle for HBV cure. The restricted entry of HBV into specific cell types determines the nature of HBV, which has a narrow host range in tissues and species. Hepatitis D virus (HDV) shares viral surface antigens with HBV and thus follows a similar entry mechanism at its early stages. In late 2012, sodium taurocholate cotransporting polypeptide was discovered as an HBV and HDV entry receptor. Since then, the mechanisms of HBV and HDV entry have been extensively analysed. These analyses have expanded our understanding of HBV and HDV host tropism and have provided new strategies for the development of antiviral agents. Notably, the structures of sodium taurocholate cotransporting polypeptide and its interaction with the 2-48 amino acid region of viral preS1 have been recently solved. These findings will stimulate further entry studies. In this Review, we summarize current understanding of HBV and HDV entry and future perspectives.
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ISSN:1740-1534
1740-1534
DOI:10.1038/s41579-024-01121-2