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    Changes in cervical keratinocyte gene expression associated with integration of human papillomavirus 16

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    Authors
    Alazawi, William
    Pett, Mark
    Arch, Barbara N.
    Scott, Laurie
    Freeman, Tom
    Stanley, Margaret A.
    Coleman, Nicholas
    Affiliation
    Medical Research Council Cancer Cell Unit, MRC/Hutchison Research Centre, Cambridge ; Department of Pathology, University of Cambridge ; Institute of Public Health, Cambridge ; Medical Research Council Human Genome Mapping Resource Centre, Cambridge ; Medical Research Council Human Genome Mapping Resource Centre, Cambridge ; Department of Pathology, University of Cambridge ; Medical Research Council Cancer Cell Unit, MRC/Hutchison Research Centre, Cambridge/Department of Pathology, University of Cambridge
    Publication Date
    2002-12-01
    
    Metadata
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    Abstract
    Episomal integration is a critical event in human papillomavirus (HPV)-related oncogenesis, although little information is currently available concerning the effect of integration on the host transcriptome. Expression microarrays were used to investigate the effect of integration of HPV16 on gene expression in cervical keratinocytes, using the unique cell line model W12. W12 was generated from a cervical low-grade squamous intraepithelial lesion "naturally" infected with HPV16 and at low passage contains approximately 100 HPV16 episomes/cell. With passage in vitro, integration of viral episomes is associated with the development of phenotypic and genomic abnormalities resembling those seen in cervical neoplastic progression in vivo. The Affymetrix U95A oligonucleotide array that contains probes for 12,600 human transcripts was used and 85 genes from a range of host cell pathways that show changes in expression levels after integration of HPV16 were identified. A range of genes not previously described as being involved in cervical neoplastic progression were identified. Interestingly, integration is associated with up-regulation of numerous IFN-responsive genes, in comparison with a baseline of episomally infected cells. These genes include p48, a component of the primary regulator of the IFN response pathway, IFN-stimulated gene factor 3. The physical state of high-risk HPV may substantially influence the response to IFN in infected keratinocytes.
    Citation
    Cancer Research, 62, 2002, pp. 6959-6965
    Publisher
    American Association for Cancer Research
    Journal
    Cancer Research
    URI
    http://hdl.handle.net/10034/96634
    Additional Links
    http://cancerres.aacrjournals.org
    Type
    Article
    Language
    en
    Description
    This article is not available through ChesterRep. It can be accessed at http://cancerres.aacrjournals.org/cgi/reprint/62/23/6959
    ISSN
    0008-5472
    Sponsors
    This article was submitted to the RAE2008 for the University of Chester - Allied Health Professions and Studies.
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    Biological Sciences

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