Related Experiment Video
Updated: Jul 5, 2026
07:25
Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice
Published on: September 25, 2019
[Neutralizing antibodies in hepatitis C virus infection]
S Fafi-Kremer1, M B Zeisel, E Schvoerer
1Laboratoire de virologie, Inserm U748, 3, rue Koeberlé, 67000 Strasbourg, France.
Gastroenterologie Clinique Et Biologique
|May 10, 2008
Summary
Hepatitis C virus (HCV) causes persistent infections by evading immune responses. New in vitro models now help study how antibodies neutralize HCV, improving understanding of infection and immune evasion.
Area of Science:
- Virology
- Immunology
- Infectious Diseases
Context:
- Hepatitis C virus (HCV) establishes persistent infections in over 70% of individuals, despite robust immune responses.
- Antibodies targeting viral proteins are produced, yet HCV effectively evades antibody-mediated neutralization.
- Research into host neutralizing responses has been hindered by the absence of a suitable HCV tissue culture system.
Purpose:
- To characterize the interaction of HCV glycoproteins with host cell entry factors using newly developed in vitro models.
- To detect antibodies that interfere with HCV entry and infection.
- To identify targets of neutralizing immune responses and elucidate their role in infection pathogenesis.
Summary:
- Recent advancements in in vitro models have enabled detailed characterization of HCV glycoprotein interactions with host cell receptors.
- These models facilitate the detection and analysis of neutralizing antibodies that inhibit HCV entry and infection.
- The study of these interactions is crucial for understanding viral pathogenesis and developing effective immune-based therapies.
Impact:
- Provides a platform for dissecting the mechanisms of HCV immune evasion.
- Facilitates the discovery of novel therapeutic targets and diagnostic markers for Hepatitis C.
- Enhances our comprehension of neutralizing antibody responses against persistent viral infections.
Related Concept Videos
01:25Hepatitis
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
01:29Immune 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...
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...