Article
Susceptibility to colon carcinogenesis in C3H<-->C57BL/6 chimeric mice reflects both tissue microenvironment and genotype.
Cancer letters - 8 Aug 2006
Tsukamoto Tetsuya, Yamamoto Masami, Fukami Hiroko, Yoshikawa Akemi, Sakai Hiroki, Hirata Akihiro, Kusakabe Moriaki, Tatematsu Masae
Abstract excerpt
Considerable rodent strain differences have been documented with regard to susceptibility to colon carcinogens. To clarify mechanisms, chimeras of susceptible strain C3H and relatively resistant strain C57BL/6N (B6) mice were exposed to a colonotropic carcinogen, 1,2-dimethylhydrazine (DMH) and tumor incidence and multiplicity were assessed. In the chimeras, incidence was as high as the C3H level. Multiplicity of...
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