Abstract
To demonstrate that Fanconi anemia complementation group D2-deficient (Fancd2-/-) hematopoietic progenitor cell lines can be transformed by transfection with a plasmid containing either the E6 or E7 oncogene of human papillomavirus (HPV) to generate malignant plasmacytoma-inducing cell lines. In order to determine whether a single HPV type 16 (HPV16) oncogene induced malignant transformation, Fancd2-/- and Fancd2+/+ interleukin 3 (IL3)-dependent hematopoietic progenitor cell lines were transfected with plasmids containing E6 or E7 oncogene, or control empty plasmid. Fancd2-/- but not Fancd2+/+ cells were transformed into malignant IL3-independent cells by both E6, and E7 oncogenes, but not by empty plasmid. Hematopoietic cell lines and tumors induced by Fancd2-/- E6 and Fancd2-/- E7 cell lines were positive for each respective HPV RNA and protein. A single HPV16 oncogene is adequate to produce malignant transformation of Fancd2-/- hematopoietic cells.
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