Summary
Double transgenic mice bearing fusion genes consisting of mouse albumin enhancer/promoter-mouse c-myc cDNA and mouse metallothionein 1 promoter-human TGF-α cDNA were generated to investigate the interaction of these genes in hepatic oncogenesis and to provide a general paradigm for characterizing both the interaction of nuclear oncogenes and growth factors in tumorigenesis as well as to produce an experimental model to test how environmental chemicals might interact with these genes during the neoplastic process. Coexpression of c-myc and TGF-α as transgenes in the mouse liver resulted in a tremendous acceleration of neoplastic development in this organ as compared to expression of either of these transgenes alone. The two distinct cellular reactions that occurred in the liver of the double transgenic mice prior to the appearance of liver tumors were dysplastic and apoptotic changes in the existing hepatocytes followed by emergence of multiple focal lesions composed of both hyperplastic and dysplastic cell populations.
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Thorgeirsson, S.S., Santoni-Rugiu, E., Davis, C.D., Snyderwine, E.G. (1997). Hepatic Tumor Induction in c- Myc mono-transgenic and TGF- α/c-Myc double-transgenic Mice. In: Seiler, J.P., Vilanova, E. (eds) Applied Toxicology: Approaches Through Basic Science. Archives of Toxicology, vol 19. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60682-3_34
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DOI: https://doi.org/10.1007/978-3-642-60682-3_34
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