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Updated: Dec 17, 2025

A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target
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Hepatitis B Virus Entry into Cells.

Charline Herrscher1, Philippe Roingeard1,2, Emmanuelle Blanchard1,2

  • 1Inserm U1259. Morphogénèse et Antigénicité du VIH et des Virus des Hépatites (MAVIVH), Université de Tours and CHRU de Tours, 37032 Tours, France.

Cells
|June 24, 2020
PubMed
Summary

Hepatitis B virus (HBV) entry into liver cells remains incompletely understood, hindering new treatments. This review details current knowledge on HBV internalization mechanisms and host factors, crucial for developing novel therapies.

Keywords:
Hepatitis B virusentry pathwayvirus–host interaction

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Area of Science:

  • Hepatology
  • Virology
  • Molecular Biology

Background:

  • Hepatitis B virus (HBV) causes over 250 million chronic infections globally.
  • Current therapies cannot eliminate HBV due to persistent covalently closed circular DNA (cccDNA).
  • Sodium taurocholate co-transporting polypeptide (NTCP) is identified as an entry receptor for HBV and hepatitis delta virus (HDV).

Purpose of the Study:

  • To review current knowledge on Hepatitis B virus (HBV) internalization into host cells.
  • To highlight the importance of understanding HBV entry mechanisms for developing new therapeutic strategies.
  • To discuss the host factors involved in HBV uptake.

Main Methods:

  • Literature review of studies on HBV entry and host factors.
  • Analysis of research on NTCP's role in HBV and HDV infection.
  • Synthesis of current understanding of HBV internalization processes.

Main Results:

  • While NTCP is a key HBV entry receptor, the precise mechanisms of viral internalization and involved host factors are not fully elucidated.
  • Understanding HBV entry is critical for preventing de novo infection of hepatocytes.
  • Advances in understanding HBV entry facilitate the design of targeted therapeutic approaches.

Conclusions:

  • Further research into HBV internalization mechanisms is essential for effective antiviral strategies.
  • Targeting the early stages of HBV infection, particularly viral entry, holds promise for new treatments.
  • A comprehensive understanding of HBV-host interactions at the cellular level is needed to combat chronic infection.