Induction of colon tumors in C57BL/6J mice fed MeIQx, IQ, or PhIP followed by dextran sulfate sodium treatment.


Heterocyclic amines (HCAs) have been shown to induce tumors in several organs of rodents, but except for MeIQ and PhIP, other HCAs such as MeIQx and IQ consistently failed to induce colon tumors in mice, whereas MeIQ, IQ, and PhIP exerted colon tumorigenicity in rats. Recently, we found that dietary MeIQx induces genotoxicity in the colon as well as the… (More)


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