HPV16E7 Oncoprotein Disrupts T Cell Maturation in Mice
Author Information
Author(s): K.M. MALCOLM, J. GILL, G.R. LEGGATT, R. BOYD, P. LAMBERT, I.H. FRAZER
Primary Institution: Centre for Immunology and Cancer Research, University of QLD
Hypothesis
Does the expression of the HPV16 E7 oncoprotein in thymic epithelium affect T cell maturation and thymus involution?
Conclusion
The expression of HPV16 E7 in thymic epithelium leads to thymic hypertrophy and disrupted T cell maturation.
Supporting Evidence
- Transgenic mice showed increased thymic hypertrophy with age.
- Thymocytes with reduced CD4 and/or CD8 were more abundant in transgenic mice.
- Thymic architecture was significantly altered in K14E7 mice compared to non-transgenic controls.
- Reduced apoptosis rates were observed in CD4lo and CD8lo populations in K14E7 mice.
Takeaway
Mice with a specific virus protein in their thymus grow larger thymuses and have trouble maturing their immune cells properly.
Methodology
Transgenic mice expressing HPV16 E7 were studied for thymic architecture and T cell maturation using flow cytometry and histological analysis.
Limitations
The study is limited to a specific mouse model and may not fully represent human responses.
Participant Demographics
Transgenic FVB mice expressing HPV16 E7.
Digital Object Identifier (DOI)
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