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Updated: Jul 5, 2026

A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
Published on: July 18, 2013
Human papilloma virus (HPV) and host cellular interactions
Ioannis N Mammas1, George Sourvinos, Athena Giannoudis
1Department of Virology, School of Medicine, University of Crete, Heraklion, 71100, Crete, Greece.
High-risk Human Papillomavirus (HPV) oncoproteins E6 and E7 interact with host proteins, contributing to viral carcinogenesis. Recent research reveals additional cellular targets and the role of DNA integration in malignant transformation.
Area of Science:
- Oncology
- Virology
- Molecular Biology
Background:
- Viral-induced carcinogenesis involves viral oncoproteins interacting with host cellular proteins.
- High-risk Human Papillomavirus (HPV) E6 and E7 oncoproteins are key drivers of malignant transformation.
- Initially, HPV E6 was known to degrade p53, and E7 to inactivate the retinoblastoma protein (Rb).
Purpose of the Study:
- To review the interactions of HPV E6 and E7 with host cellular target proteins.
- To discuss the role of DNA integration in epithelial cell malignant transformation.
Main Methods:
- Literature review of recent studies on HPV oncoprotein interactions.
- Analysis of the role of viral DNA integration in carcinogenesis.
Main Results:
- HPV E6 and E7 target multiple host cellular proteins beyond p53 and Rb.
- These interactions contribute significantly to malignant cellular transformation.
- Viral DNA integration is identified as a factor in epithelial cell malignancy.
Conclusions:
- HPV E6 and E7 possess a broader range of host cellular targets than previously understood.
- Understanding these interactions and DNA integration is crucial for comprehending viral carcinogenesis.
- Further research into these mechanisms can inform cancer prevention and treatment strategies.
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