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Simultaneous treatment with benzyl isothiocyanate, a strong bladder promoter, inhibits rat urinary bladder carcinogenesis by N-butyl-N-(4-hydroxybutyl)nitrosamine. 2002

Kazushi Okazaki, and Megumi Yamagishi, and Hwa-Young Son, and Takayoshi Imazawa, and Fumio Furukawa, and Hideaki Nakamura, and Akiyoshi Nishikawa, and Toshiaki Masegi, and Masao Hirose
Division of Pathology, National Institute of Health Sciences, Tokyo 158-8501, Japan.

Effects of benzyl isothiocyanate (BITC) on urinary bladder carcinogenesis were examined in rats simultaneously treated with N-butyl-N-(4-hydroxybutyl)nitrosamine (BBN). Groups of 20 6-wk-old Fischer 344 male rats were given 10, 100, or 1,000 ppm BITC in the diet or a basal diet with 50 ppm BBN in the drinking water for 40 wk and then killed for autopsy. Additional groups consisting of 10 or 9 rats were similarly given BITC or the basal diet alone without BBN treatment. With BBN treatment, dysplasia, papilloma, and carcinoma incidences and multiplicities were dramatically decreased by simultaneous treatment with BITC in a clear dose-dependent manner. In contrast, epithelial hyperplasia was induced in rats treated with 100 and 1,000 ppm BITC without BBN. These results clearly indicate that although BITC may have weak carcinogenic potency, it is a potent chemopreventive agent against bladder tumor induction by BBN.

UI MeSH Term Description Entries
D008297 Male Males
D009929 Organ Size The measurement of an organ in volume, mass, or heaviness. Organ Volume,Organ Weight,Size, Organ,Weight, Organ
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
D001743 Urinary Bladder A musculomembranous sac along the URINARY TRACT. URINE flows from the KIDNEYS into the bladder via the ureters (URETER), and is held there until URINATION. Bladder,Bladder Detrusor Muscle,Detrusor Urinae,Bladder Detrusor Muscles,Bladder, Urinary,Detrusor Muscle, Bladder,Detrusor Muscles, Bladder
D001749 Urinary Bladder Neoplasms Tumors or cancer of the URINARY BLADDER. Bladder Cancer,Bladder Neoplasms,Cancer of Bladder,Bladder Tumors,Cancer of the Bladder,Malignant Tumor of Urinary Bladder,Neoplasms, Bladder,Urinary Bladder Cancer,Bladder Cancers,Bladder Neoplasm,Bladder Tumor,Cancer, Bladder,Cancer, Urinary Bladder,Neoplasm, Bladder,Neoplasm, Urinary Bladder,Tumor, Bladder,Tumors, Bladder,Urinary Bladder Neoplasm
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D002085 Butylhydroxybutylnitrosamine A substituted carcinogenic nitrosamine. Butylbutanolnitrosamine,N-Butyl-N-(4-hydroxybutyl)nitrosamine,N-Nitroso-N-butyl-(4-hydroxybutyl)amine,N-Nitrosobutyl-4-hydroxybutylamine,N Nitrosobutyl 4 hydroxybutylamine
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
D016588 Anticarcinogenic Agents Agents that reduce the frequency or rate of spontaneous or induced tumors independently of the mechanism involved. Anti-Carcinogenic Agents,Anti-Carcinogenic Drugs,Anti-Carcinogenic Effect,Anti-Carcinogenic Effects,Anticarcinogenic Drugs,Anticarcinogenic Effect,Anticarcinogenic Effects,Anticarcinogens,Agents, Anti-Carcinogenic,Agents, Anticarcinogenic,Anti Carcinogenic Agents,Anti Carcinogenic Drugs,Anti Carcinogenic Effect,Anti Carcinogenic Effects,Drugs, Anti-Carcinogenic,Drugs, Anticarcinogenic,Effect, Anti-Carcinogenic,Effect, Anticarcinogenic,Effects, Anti-Carcinogenic,Effects, Anticarcinogenic
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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