THE EFFECT OF COMPLETE FREUND ADJUVANT ON THE DEVELOPMENT OF BLADDER TUMOR INDUCED BY N-BUTYL-N-(4-HYDROXYBUTYL) NITROSAMINE
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چکیده
منابع مشابه
Urinary bladder tumors induced by N-butyl-N-(4-hydroxybutyl)nitrosamine in dogs.
Clinicopathological, radiological, and histological studies were performed on urinary bladder neoplasia induced by N-butyl-N-(4-hydroxybutyl)nitrosamine (BBN) in five adult beagle dogs and in ten adult mongrel dogs. Tumors of the urinary bladder developed in dogs given various daily doses of BBN p.o. for different periods. The latent period of tumor induction was 4 years in dogs receiving a dai...
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Bladder cancer frequently shows mutational activation of the oncogene Ras, which is associated with bladder carcinogenesis. However, the signaling pathway downstream of Ras remains to be fully elucidated. N-butyl-N-(4-hydroxybutyl) nitrosamine (BBN) is able to induce bladder cancer by driving the clonal expansion of initiated cells carrying the activated form of Ras. Phospholipase Cε (PLCε) is ...
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The therapeutic effects of alpha-difluoromethylornithine (DFMO) on rats with bladder tumors induced by N-butyl-N-(4-hydroxybutyl) nitrosamine (BBN) were examined. Eight-week-old male Wistar rats were given 0.05% BBN in their drinking water for a period of 4 weeks. Therapy (0.1% DFMO in their drinking water) was started at week 4 and all rats were killed at week 60. DFMO was seen to significantl...
متن کاملEffects of promoters on N-butyl-N-(4-hydroxybutyl)nitrosamine-induced urinary bladder carcinogenesis in the rat.
It has been shown that the occurrence of the preneoplastic lesion, papillary or nodular hyperplasia (PN hyperplasia) in rat urinary bladder induced by carcinogens is correlated with that of cancer. Therefore, the promoting effects of chemicals in two-stage bladder carcinogenesis were judged by measuring their ability to induce PN hyperplasia in rats. Male rats were given N-butyl-N-(4-hydroxybut...
متن کاملMutagenicity of N-butyl-N-(4-hydroxybutyl)nitrosamine, a bladder carcinogen, and related compounds.
N-Butyl-N-(4-hydroxybutyl)nitrosamine (BBN), which specifically induces bladder tumors, was shown to be mutagenic to Salmonella typhimurium strains TA 1535 and TA100 in the presence of an S-9 mix prepared from the liver of rats treated with polychlorinated biphenyl. Reduced nicotinamide adenine dinucleotide was a more effective cofactor than reduced nicotinamide adenine dinucleotide phosphate i...
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ژورنال
عنوان ژورنال: The Japanese Journal of Urology
سال: 1988
ISSN: 0021-5287,1884-7110
DOI: 10.5980/jpnjurol1928.79.11_1824