Dose response of 1,2-dimethylhydrazine and methylazoxymethanol acetate in the F 344 rat. 1980

E E McConnell, and R E Wilson, and J A Moore, and J K Haseman

Weanling male and female F 344 rats were given various doses of 1,2-dimethylhydrazine (DMH) or methylazoxymethyl acetate (MAMAc), and were then held for 46-64 weeks in an effort to determine a dose response and establish a dose level which would produce a low level of intestinal neoplasia with a minimal number of tumors in other organs. DMH proved superior to MAM in this respect, although liver lesions were still observed with both compounds at the lowest carcinogenic intestinal dose.

UI MeSH Term Description Entries
D008113 Liver Neoplasms Tumors or cancer of the LIVER. Cancer of Liver,Hepatic Cancer,Liver Cancer,Cancer of the Liver,Cancer, Hepatocellular,Hepatic Neoplasms,Hepatocellular Cancer,Neoplasms, Hepatic,Neoplasms, Liver,Cancer, Hepatic,Cancer, Liver,Cancers, Hepatic,Cancers, Hepatocellular,Cancers, Liver,Hepatic Cancers,Hepatic Neoplasm,Hepatocellular Cancers,Liver Cancers,Liver Neoplasm,Neoplasm, Hepatic,Neoplasm, Liver
D008297 Male Males
D008746 Methylazoxymethanol Acetate The aglycone of CYCASIN. It acts as a potent carcinogen and neurotoxin and inhibits hepatic DNA, RNA, and protein synthesis. (Methyl-ONN-azoxy)methanol Acetate,Acetate, Methylazoxymethanol
D008763 Methylhydrazines Hydrazines substituted by one or more methyl groups in any position.
D009374 Neoplasms, Experimental Experimentally induced new abnormal growth of TISSUES in animals to provide models for studying human neoplasms. Experimental Neoplasms,Experimental Neoplasm,Neoplasm, Experimental
D011916 Rats, Inbred F344 An inbred strain of rat that is used for general BIOMEDICAL RESEARCH purposes. Fischer Rats,Rats, Inbred CDF,Rats, Inbred Fischer 344,Rats, F344,Rats, Inbred Fisher 344,CDF Rat, Inbred,CDF Rats, Inbred,F344 Rat,F344 Rat, Inbred,F344 Rats,F344 Rats, Inbred,Inbred CDF Rat,Inbred CDF Rats,Inbred F344 Rat,Inbred F344 Rats,Rat, F344,Rat, Inbred CDF,Rat, Inbred F344,Rats, Fischer
D004127 Dimethylhydrazines Hydrazines substituted with two methyl groups in any position. Dimethylhydrazine
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D005260 Female Females
D005770 Gastrointestinal Neoplasms Tumors or cancer of the GASTROINTESTINAL TRACT, from the MOUTH to the ANAL CANAL. Gastrointestinal Cancer,Cancer of Gastrointestinal Tract,Cancer of the Gastrointestinal Tract,Neoplasms, Gastrointestinal,Cancer, Gastrointestinal,Cancers, Gastrointestinal,Gastrointestinal Cancers,Gastrointestinal Neoplasm,Gastrointestinal Tract Cancer,Gastrointestinal Tract Cancers,Neoplasm, Gastrointestinal

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