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Analysis of human papillomavirus sequences in cell lines recently derived from cervical cancers
R P Spence1, A Murray, L Banks
1Wellcome Research Laboratories, Beckenham, Kent, England.
Abstract:
The DNA and RNA from four cell lines recently derived from cervical carcinomas (HX151c, HX155c, HX156c, and HX160c) were analyzed for the presence of human Papillomavirus DNA. Each contained HPV-16 DNA in a multicopy integrated form of varying complexity. Each also expressed RNA transcripts of similar sizes to CaSki cell transcripts. The splice acceptor position within the E6 coding region of the cell line HX156c was identical to CaSki, SiHa, and HeLa cells as well as a cell line derived from mouse fibroblasts transformed with HPV-16 sequences in a retrovirus vector. Immunoprecipitation with an anti-HPV-16 E6 polyclonal antiserum demonstrated that HX160c cells contain the E6 polypeptide derived from unspliced transcripts.
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