Immunologic Aspects of 1,2-Dimethylhydrazine-Induced Colon Tumors in Rats2

Abstract
Investigation of immunologic aspects of colon tumors induced in rats by 1,2-dimethylhydrazine demonstrated that: 1) An antigen in an extract of colon tumors was not detected in the normal colon. It was related to antigens in rat fetuses and did not cross-react immunologically with carcinoembryonic antigen. 2) Mucinous adenocarcinomas of the colon were significantly associated spatially with lymphoid follicles.

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