Summary
Rats were given 6600 ppm of butylated hydroxytoluene (BHT) in the diet along with 10 weekly oral doses of dimethylhydrazine (DMH, 30 mg/kg). The incidence and mean number of colonic tumors produced were similar to that of rats given DMH alone. Thus, BHT did not provide any protective effect against colon carcinogenesis.
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This work was supported in part by NIEHS Research Grant No. 2-PO1-ES00226-10, NIH Training Grant No. IT32-ES07058-DI, and Dr Abraham's Research Career Development Award No. 1-KO4-ES70608-05. We appreciate the excellent technical assistance given by S. Khilnani and N. Ringwood and the help given by M.T. Corey in preparing the manuscript.
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Barbolt, T.A., Araham, R. Lack of effect of butylated hydroxytoluene on dimethylhydrazine-induced colon carcinogenesis in rats. Experientia 35, 257–258 (1979). https://doi.org/10.1007/BF01920650
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DOI: https://doi.org/10.1007/BF01920650