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Updated: Oct 17, 2025
13:41
Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
Published on: March 8, 2012
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Host defence and persistent human papillomavirus infection
1Department of Pathology, University of Cambridge, UK.
Current Opinion in Virology
|October 10, 2021
Summary
Human papillomaviruses (HPV) establish persistent infections by evading the immune system. HPV early proteins suppress immune responses, hindering dendritic cell function and T cell activation.
Area of Science:
- Immunology
- Virology
- Microbiology
Background:
- Human papillomaviruses (HPV) are known for establishing persistent infections.
- This persistence is linked to a complex local immune environment that HPV manipulates.
Purpose of the Study:
- To investigate the mechanisms by which HPV evades host immune responses.
- To understand the role of HPV early proteins in subverting innate and adaptive immunity.
Main Methods:
- Utilizing mouse models of papillomavirus infection (MmuPV1).
- Employing gene-deficient mouse strains to dissect host-virus interactions.
- Analyzing the effects of HPV early proteins on immune cell function.
Main Results:
- HPV early proteins inhibit innate immune receptors and signaling pathways.
- This inhibition leads to impaired dendritic cell maturation, antigen processing, and presentation.
- Consequently, cytotoxic T cell responses are not effectively activated.
Conclusions:
- HPV's ability to establish persistent infections is mediated by the suppression of critical immune responses.
- Mouse papillomavirus models are valuable tools for studying these complex host-virus interactions.
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