Dietary β-cryptoxanthin inhibits N-butyl-N-(4-hydroxybutyl)nitrosamine-induced urinary bladder carcinogenesis in male ICR mice
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Chemopreventive effects of silymarin and silibinin on N-butyl-N-(4-hydroxybutyl) nitrosamine induced urinary bladder carcinogenesis in male ICR mice.
Effective strategies are lacking for the management of urinary bladder cancer for which smoking is a potential risk factor. Herein, we evaluated chemoprevention of urinary bladder cancer by natural chemopreventive agents, silymarin and silibinin, in a preclinical animal (ICR mouse) model of bladder cancer induced by tobacco smoke carcinogen N-butyl-N-(4-hydroxybutyl) nitrosamine (OH-BBN). Mice ...
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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...
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Epidemiological studies have shown that nonsteroidal anti-inflammatory drugs (NSAIDs) may have a role in the prevention of human cancers. A number of preclinical studies have also suggested that inhibition of cyclooxygenase (COX) with NSAIDs has an anticancer effect in animal models of colon, urinary bladder, skin, and breast. In these studies, we evaluated the COX-2 inhibitor celecoxib in two ...
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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...
متن کاملInhibitory effect of 13-cis-retinoic acid on urinary bladder carcinogenesis induced in C57BL/6 mice by N-butyl-N-(4-hydroxybutyl)-nitrosamine.
The effect of 13-cis-retinoic acid on the induction of urinary bladder carcinoma by N-butyl-N-(4-hydroxybutyl)nitrosamine (OH-BBN) was studied in male C57BL/6 mice. Animals received a total dose of either 90 or 140 mg of OH-BBN via gastric intubations of 7.5 or 10.0 mg of OH-BBN 2 times each week for 6 or 7 weeks, respectively. Seven days after the last OH-BBN intubation, animals were fed labor...
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ژورنال
عنوان ژورنال: Oncology Reports
سال: 2007
ISSN: 1021-335X,1791-2431
DOI: 10.3892/or.17.2.297