Related Experiment Video
Updated: Jun 19, 2026

11:36
Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms
Published on: May 29, 2020
IMMUNITY IN EXPERIMENTALLY INDUCED INFECTIOUS HEPATITIS.
1Section of Preventive Medicine, Yale University School of Medicine, New Haven.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Infectious hepatitis convalescents showed resistance to reinfection, demonstrating homologous immunity. This finding supports previous research on hepatitis virus strains and immunity.
Area of Science:
- Hepatology
- Virology
- Immunology
Background:
- Infectious hepatitis is a significant public health concern.
- Understanding viral hepatitis immunity is crucial for vaccine development.
- Previous studies suggested homologous immunity in infectious hepatitis.
Purpose of the Study:
- To investigate homologous immunity in human volunteers convalescent from experimentally induced infectious hepatitis.
- To assess the susceptibility of healthy individuals to the same infectious hepatitis virus strain.
Main Methods:
- Administering an infectious hepatitis virus strain to human volunteers.
- Monitoring convalescent volunteers for resistance to reinfection.
- Monitoring control subjects for hepatitis development.
Main Results:
- Convalescent volunteers (n=9) were resistant to reinfection with the same virus strain 6-9 months later.
- Control subjects (n=12) who received the same virus material developed infectious hepatitis with jaundice.
- Results indicate homologous immunity against this specific infectious hepatitis virus strain.
Conclusions:
- Homologous immunity is demonstrated in individuals recovered from experimental infectious hepatitis.
- This finding aligns with prior evidence of homologous immunity from other infectious hepatitis virus strains.
- The study supports the concept of strain-specific immunity in infectious hepatitis.
Related Concept Videos
Viral Hepatitis I: Introduction
Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Hepatitis
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...
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...
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...

