Related Experiment Video
Updated: Apr 17, 2026
09:54
Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models
Published on: December 3, 2019
10.9K
Hantavirus-induced pathogenesis in mice with a humanized immune system
Lidija Kobak1, Martin J Raftery1, Sebastian Voigt2,3
1Institute of Medical Virology, Helmut-Ruska-Haus, Charité-Universitätsmedizin Berlin, Berlin, Germany.
The Journal of General Virology
|February 14, 2015
Summary
This study introduces a humanized mouse model for hantavirus infection, revealing that human immune cells, particularly CD8+ T cells, play a role in disease severity and platelet reduction.
Area of Science:
- Immunology
- Virology
- Pathology
Background:
- Hantaviruses are emerging zoonotic pathogens causing severe human diseases.
- Clinical evidence suggests human immune components contribute to hantavirus pathology.
Purpose of the Study:
- To develop and characterize a humanized mouse model for hantavirus infection.
- To investigate the role of human immune cells in hantaviral pathogenesis.
Main Methods:
- Generation of mice with a humanized immune system.
- Infection of humanized mice with hantavirus.
- Monitoring of clinical signs, weight loss, and platelet counts.
- Analysis of human leukocyte antigen (HLA) class I-restricted CD8+ T cell responses.
Main Results:
- Humanized mice exhibited systemic hantavirus infection with weight loss, decreased activity, ruffled fur, and lung inflammation.
- Mice with HLA class I-restricted CD8+ T cells showed earlier weight loss compared to HLA class I-negative counterparts.
- Humanized mice experienced a significant drop in human platelets, while murine platelet counts remained stable.
Conclusions:
- This study presents the first humanized mouse model for hantavirus infection.
- Human immune cells, especially CD8+ T cells, are implicated in hantaviral pathogenesis.
- Differences in haemato-lymphoid systems between rodents and humans influence disease development.
