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A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
Published on: July 18, 2013
The HPV E2-Host Protein-Protein Interactions: A Complex Hijacking of the Cellular Network
Mandy Muller1, Caroline Demeret
1Unité de Génétique, Papillomavirus et Cancer Humain (GPCH), Institut Pasteur, 25 rue du Docteur Roux, 75015 Paris, France ; Univ. Paris Diderot, Sorbonne Paris cite, Cellule Pasteur, rue du Docteur Roux, 75015 Paris, France.
The Open Virology Journal
|January 24, 2013
Summary
Human papillomaviruses (HPVs) E2 proteins are crucial for viral life cycles and cancer development. A large study reveals how E2 proteins interact with host cells, influencing viral persistence and disease progression across diverse HPV genotypes.
Area of Science:
- Virology
- Molecular Biology
- Oncology
Background:
- Over 100 human papillomavirus (HPV) genotypes cause infections, from benign warts to cancer.
- HPV pathogenesis involves complex interactions between viral and host factors, particularly early viral proteins and the host proteome.
- The HPV E2 protein is essential for viral genome regulation, replication, and persistence, a key factor in cancer development.
Purpose of the Study:
- To review the functions of HPV E2 proteins.
- To explore E2 protein interactions with the host proteome.
- To understand the diversity of host cell hijacking by different HPV genotypes.
Main Methods:
- Analysis of E2 protein functions through E2/host proteome interplay.
- Review of a large-scale comparative interactomic study mapping E2-host protein-protein interactions.
- Examination of interactions involving 12 representative HPV genotypes.
Main Results:
- E2 proteins recruit host cell factors to regulate viral transcription, replication, and segregation.
- E2 proteins modulate host cell functions, creating conditions favorable for viral life cycle progression.
- Comparative interactomics reveal the complexity and genotypic diversity of host cell hijacking by HPV E2 proteins.
Conclusions:
- HPV E2 proteins are pivotal for viral persistence and cancer risk.
- E2 protein interactions with the host proteome are diverse and genotype-specific.
- Understanding these interactions is crucial for deciphering HPV pathogenesis and developing therapeutic strategies.
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