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[Inhibitory effect of UFT on rat hepatocarcinogenesis induced by 3'-methyl-4-dimethylaminoazobenzene and phenobarbital promotion]. 1991

Y Aida, and T Sunaga, and S Maeyama, and T Takakuwa, and T Uchikoshi, and H Taga, and H Hirai, and Y Endo
Dept. of Pathology, St. Marianna University School of Medicine, Kawasaki, Japan.

Inhibitory effect of UFT on hepatocarcinogenesis in rats induced by 3'-methyl-4-dimethylaminoazobenzene (3'-MeDAB) and phenobarbital (PB) promotion was studied. Donryu male rats were divided into four groups. Group A was fed a diet containing 0.06% 3'-MeDAB for 3, 5, or 7 weeks, and then fed normal diet for 2 weeks, subsequently received a diet containing 0.05% PB. Group B was given UFT (20 mg/kg/5 days a week) simultaneously with feeding 3'-MeDAB. Group C was given UFT simultaneously with feeding PB. Group D was given 3'-MeDAB alone. In all groups, the development of hepatocellular carcinoma was investigated 37 weeks later and the number and area per mm2 of induced glutathione S-transferase placental form (GST-P) positive foci were measured using an image processor. The number and area of GST-P positive foci in group B and group C were markedly decreased as compared with those in group A. These results seem to show that the administration of UFT inhibited the production of GST-P positive foci and that stronger inhibitory effect of UFT was observed by simultaneous administration of an initiator than by that of a promoter.

UI MeSH Term Description Entries
D008114 Liver Neoplasms, Experimental Experimentally induced tumors of the LIVER. Hepatoma, Experimental,Hepatoma, Morris,Hepatoma, Novikoff,Experimental Hepatoma,Experimental Hepatomas,Experimental Liver Neoplasms,Hepatomas, Experimental,Neoplasms, Experimental Liver,Experimental Liver Neoplasm,Liver Neoplasm, Experimental,Morris Hepatoma,Novikoff Hepatoma
D008297 Male Males
D008749 Methyldimethylaminoazobenzene A very potent liver carcinogen. MeDAB,3'-Methyl-4-dimethylaminoazobenzene,Dimethyl-p-(m-tolylazo)aniline,3' Methyl 4 dimethylaminoazobenzene
D010634 Phenobarbital A barbituric acid derivative that acts as a nonselective central nervous system depressant. It potentiates GAMMA-AMINOBUTYRIC ACID action on GABA-A RECEPTORS, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations. Phenemal,Phenobarbitone,Phenylbarbital,Gardenal,Hysteps,Luminal,Phenobarbital Sodium,Phenobarbital, Monosodium Salt,Phenylethylbarbituric Acid,Acid, Phenylethylbarbituric,Monosodium Salt Phenobarbital,Sodium, Phenobarbital
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D005641 Tegafur Congener of FLUOROURACIL with comparable antineoplastic action. It has been suggested especially for the treatment of breast neoplasms. 1-(2-Tetrahydrofuryl)-5-fluorouracil,1-(Tetrahydro-2-furanyl)-5-fluorouracil,5-Fluoro-1-(tetrahydro-2-furanyl)-2,4-pyrimidinedione,FT-207,FT207,Florafur,Fluorofur,Ftorafur,Futraful,N1-(2'-Tetrahydrofuryl)-5-fluorouracil,Sunfural S,Uftoral,Utefos,FT 207
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000971 Antineoplastic Combined Chemotherapy Protocols The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form. Anticancer Drug Combinations,Antineoplastic Agents, Combined,Antineoplastic Chemotherapy Protocols,Antineoplastic Drug Combinations,Cancer Chemotherapy Protocols,Chemotherapy Protocols, Antineoplastic,Drug Combinations, Antineoplastic,Antineoplastic Combined Chemotherapy Regimens,Combined Antineoplastic Agents,Agent, Combined Antineoplastic,Agents, Combined Antineoplastic,Anticancer Drug Combination,Antineoplastic Agent, Combined,Antineoplastic Chemotherapy Protocol,Antineoplastic Drug Combination,Cancer Chemotherapy Protocol,Chemotherapy Protocol, Antineoplastic,Chemotherapy Protocol, Cancer,Chemotherapy Protocols, Cancer,Combinations, Antineoplastic Drug,Combined Antineoplastic Agent,Drug Combination, Anticancer,Drug Combination, Antineoplastic,Drug Combinations, Anticancer,Protocol, Antineoplastic Chemotherapy,Protocol, Cancer Chemotherapy,Protocols, Antineoplastic Chemotherapy,Protocols, Cancer Chemotherapy
D014498 Uracil One of four nucleotide bases in the nucleic acid RNA.
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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