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Human Papillomavirus E6 and E7 play critical roles in cancer development, although not all isolates of the viral oncoproteins are identical. A common E7 variant encodes an amino acid change at N29S. We show that this change increases the levels of phosphorylation by CKII by creating an additional phospho-acceptor site at S29. This confers increased phospho-dependent interaction with a number of cellular...
HPV-16 E7 is one of the key proteins that, by interfering with the host metabolism through many protein-protein interactions, hijacks cell regulation and contributes to malignancy. Here we report the high resolution investigation of the CR3 region of HPV-16 E7, both as an isolated domain and in the full-length protein. This opens the way to the atomic level study of the many interactions in which...
Autophagy is an intracellular, catabolic process that maintains cellular health. We examined the response of pharmacologic modulation of autophagy in an HPV mouse model of anal carcinogenesis. K14E6/E7 mice were treated with the topical carcinogen DMBA weekly and assessed for tumors over 20 weeks. Concurrently, they were given either chloroquine or BEZ235, to inhibit or induce autophagy, respectively...
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