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Immune Response Against Viral Pathogens

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...

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Related Experiment Video

Updated: Aug 27, 2025

Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice

Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice

Published on: September 25, 2019

[Hepatitis C virus and neutralizing antibodies].

Catherine Fauvelle¹, Laura Heydmann¹, Mirjam B Zeisel¹

¹Inserm, U748, 67000 Strasbourg, France, Université de Strasbourg, 67000 Strasbourg, France.

Virologie (Montrouge, France)

|September 24, 2022

Summary

Neutralizing antibodies are crucial for controlling viral infections. Recent advances highlight their potential in combating Hepatitis C Virus (HCV) infection, offering hope for new vaccines and therapies.

Keywords:

hepatitis C virus neutralizing antibodies viral entry viral escape

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Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice

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Two Methods of Heterokaryon Formation to Discover HCV Restriction Factors

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Analysis of HBV-Specific CD4 T-cell Responses and Identification of HLA-DR-Restricted CD4 T-Cell Epitopes Based on a Peptide Matrix

Analysis of HBV-Specific CD4 T-cell Responses and Identification of HLA-DR-Restricted CD4 T-Cell Epitopes Based on a Peptide Matrix

Published on: October 20, 2021

Area of Science:

Immunology
Virology

Context:

Neutralizing antibodies are vital for controlling viral infections.
Historically, their role in Hepatitis C Virus (HCV) infection was considered minor compared to cellular immunity.
Recent advancements in understanding HCV entry and escape have renewed interest in neutralizing antibodies.

Purpose:

To re-evaluate the role of neutralizing antibodies in Hepatitis C Virus (HCV) infection.
To explore the potential of these antibodies in therapeutic and preventive strategies against HCV.

Summary:

Neutralizing antibodies, previously underestimated in Hepatitis C Virus (HCV) infection, are now recognized for their potential immune control.
Advances in studying HCV entry mechanisms and viral escape have spurred new research into antibody-based interventions.
The development of monoclonal antibodies capable of neutralizing diverse HCV strains offers promising therapeutic and vaccine development avenues.

Impact:

Highlights the evolving understanding of immune responses in Hepatitis C Virus (HCV) infection.
Suggests that neutralizing antibodies could be key to developing effective HCV therapies and preventive vaccines.
Emphasizes the need for further research to fully leverage antibody-based strategies against HCV.