Summary
Fischer rat embryo cells chronically infected with Rauscher murine leukemia virus, and known to be sensitive to transformation by potent chemical carcinogens, were transformed by the weak carcinogen 4-nitropyridine-1-oxide. Transformed cells grew in semi-solid agar and produced tumors in newborn Fischer rats. Transformation was inhibited by antisera specific for the ecotropic Rauscher murine leukemia virus, but not by antisera of equal toxicity specific for xenotropic Swiss mouse AT-124 virus.
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This work was supported by contract NO1-CP-43240 within the Virus Cancer Program of the National Cancer Institute.
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Price, P.J., Auletta, A.E., King, M.P. et al. The co-carcinogenic activity of 4-nitropyridine-1-oxide (4-npo) and prevention of transformation by type-specific anti-viral antibodies. In Vitro Cell.Dev.Biol.-Plant 12, 595–598 (1976). https://doi.org/10.1007/BF02797444
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DOI: https://doi.org/10.1007/BF02797444