Ovarian tumour xenografts in the study of the biology of human epithelial ovarian cancer

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Abstract
Human epithelial ovarian tumours were successfully established as xenografts in nude mice in 54% of cases. An evaluation of the biological characteristics of tumours propagated in nude mice was carried out and the functions investigated included morphology, growth kinetics, cellular DNA content, cell surface antigen expression and sensitivity to chemotherapy. To allow a more detailed study of the influence of ploidy on biological behaviour, xenografted tumour with varying degrees of aneuploidy and tumours with a common ancestry but different ploidies were also established. Although this is a highly selective model system favouring the growth of biologically aggressive tumours the xenografts, in general, reflect many of the characteristics of the tumours from which they were derived and are likely to provide a useful model for investigating the biology of ovarian cancer.