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Published on: September 25, 2019
Humanized murine model for HBV and HCV using human induced pluripotent stem cells
Xiao-Ling Zhou1, Gareth J Sullivan, Pingnan Sun
1Department of Genetics, Yale Stem Cell Center, Yale School of Medicine, New Haven, CT 06520, USA.
Archives of Pharmacal Research
|February 29, 2012
Summary
Hepatitis B (HBV) and C (HCV) infections cause varied outcomes. A new personalized mouse model using human induced pluripotent stem cells (iPSCs) allows direct study of HBV and HCV in human liver cells.
Area of Science:
- Hepatology
- Virology
- Stem Cell Biology
Background:
- Hepatitis B virus (HBV) and hepatitis C virus (HCV) infections can lead to severe liver diseases, including cirrhosis and hepatocellular carcinoma (HCC).
- Current research models, including animal hepatocytes, cell lines, and transgenic mice, have limitations in fully recapitulating human liver responses to HBV and HCV.
- Humanized mouse models using primary human hepatocytes offer improved insights but face challenges due to limited cell availability.
Purpose of the Study:
- To review existing models for studying HBV and HCV pathogenesis.
- To introduce a novel personalized mouse model utilizing human induced pluripotent stem cells (iPSCs) for HBV and HCV research.
- To highlight the potential of iPSC-derived hepatocytes in understanding disease mechanisms and genetic influences on viral susceptibility.
Main Methods:
- Review of established in vitro and in vivo models for HBV and HCV research.
- Generation of a personalized mouse model by engrafting human iPSC-derived hepatocytes into immunodeficient mice.
- Utilizing this model for direct investigation of HBV and HCV infection in human hepatocytes.
Main Results:
- Humanized mouse models, particularly those derived from iPSCs, provide a more accurate platform for studying HBV and HCV.
- This model allows for the direct examination of viral infection within human hepatocytes in a living system.
- The model facilitates the exploration of how an individual's genetic makeup influences their susceptibility to HBV and HCV.
Conclusions:
- Human induced pluripotent stem cells (iPSCs) offer a scalable and genetically defined source for generating hepatocytes for disease modeling.
- The personalized iPSC-based mouse model represents a significant advancement in studying hepatitis virus infections and their pathogenesis.
- This innovative model holds promise for personalized medicine approaches in managing and treating HBV and HCV infections.
