Ultrastuctural Observations in The Extracellular Matrix of Rat Bladder Treated With N-Butyl-N-(4-hydroxybutyl) nitrosamine (BBN)
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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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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...
متن کاملKnockout of phospholipase Cε attenuates N-butyl-N-(4-hydroxybutyl) nitrosamine-induced bladder tumorigenesis
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 ...
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 کاملThe interaction of arsenic and N-butyl-N-(4-hydroxybutyl)nitrosamine on urothelial carcinogenesis in mice
The bladder is an important organ for the storage of excreted water and metabolites. If metabolites with carcinogenic characteristics are present in urine, the urothelial lining of the bladder could be damaged and genetically altered. In this study, we analyzed the interaction of arsenic and N-butyl-N-(4-hydroxybutyl)nitrosamine (BBN) on mouse bladder carcinogenesis. Our previous study found th...
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ژورنال
عنوان ژورنال: The Japanese Journal of Urology
سال: 1995
ISSN: 0021-5287,1884-7110
DOI: 10.5980/jpnjurol.86.198_1