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Human papillomavirus 16 (HPV16) is causative in human cancer. The E2 protein regulates transcription from and replication of the viral genome; the role of E2 in regulating the host genome has been less well studied. We have expressed HPV16 E2 (E2) stably in U2OS cells; these cells tolerate E2 expression well and gene expression analysis identified 74 genes showing differential expression specific...
Human papillomavirus 16 E1 and E2 interact with cellular factors to replicate the viral genome. E2 forms homodimers and binds to 12bp palindromic sequences adjacent to the viral origin and recruits E1 to the origin. E1 forms a di-hexameric helicase complex that replicates the viral genome. This manuscript demonstrates that E1 stabilises the E2 protein, increasing the half life in both C33a and 293T...
Integration of human papillomaviruses into that of the host promotes genomic instability and progression to cancer; factors that promote integration remain to be fully identified. DNA damage agents can promote double strand breaks during DNA replication providing substrates for integration and we investigated the ability of DNA damage to regulate HPV E1 and E2 mediated DNA replication. Results demonstrate...
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