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Multiple Routes to Oncogenesis Are Promoted by the Human Papillomavirus-Host Protein Network.
Authors
Jacques Archambault
Toni M Brand
+14 more
Manon Eckhardt
Kathleen E Franks-Skiba
Jennifer R Grandis
Andrew M Gross
Trey Ideker
Gwendolyn M Jang
Jeffrey R Johnson
Tasha L Johnson
Jason F Kreisberg
Nevan J Krogan
Priya S Shah
Danielle L Swaney
John Von Dollen
Wei Zhang
Publication date
12 November 2018
Publisher
eScholarship, University of California
Abstract
We have mapped a global network of virus-host protein interactions by purification of the complete set of human papillomavirus (HPV) proteins in multiple cell lines followed by mass spectrometry analysis. Integration of this map with tumor genome atlases shows that the virus targets human proteins frequently mutated in HPV- but not HPV+ cancers, providing a unique opportunity to identify novel oncogenic events phenocopied by HPV infection. For example, we find that the NRF2 transcriptional pathway, which protects against oxidative stress, is activated by interaction of the NRF2 regulator KEAP1 with the viral protein E1. We also demonstrate that the L2 HPV protein physically interacts with the RNF20/40 histone ubiquitination complex and promotes tumor cell invasion in an RNF20/40-dependent manner. This combined proteomic and genetic approach provides a systematic means to study the cellular mechanisms hijacked by virally induced cancers.Significance: In this study, we created a protein-protein interaction network between HPV and human proteins. An integrative analysis of this network and 800 tumor mutation profiles identifies multiple oncogenesis pathways promoted by HPV interactions that phenocopy recurrent mutations in cancer, yielding an expanded definition of HPV oncogenic roles. Cancer Discov; 8(11); 1474-89. ©2018 AACR.This article is highlighted in the In This Issue feature, p. 1333
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Last time updated on 25/12/2021