Effects of urinary crystals induced by acetazolamide, uracil, and diethylene glycol on urinary bladder carcinogenesis in N-butyl-N-(4-hydroxybutyl)nitrosamine-initiated rats. 1988

T Masui, and T Shirai, and K Imaida, and S Uwagawa, and S Fukushima
First Department of Pathology, Nagoya City University Medical School, Japan.

In order to examine the promoting effect of urinary crystals on urinary bladder carcinogenesis, acetazolamide, uracil, and diethylene glycol, all of which have been reported to cause urinary crystals or calculi, were administered to male F344 rats for 32 weeks after pretreatment with 0.05% N-butyl-N-(4-hydroxybutyl)nitrosamine (BBN) for 4 weeks. A marked increase in urinary crystals was observed in acetazolamide-treated rats and a slight increase in crystals was observed in uracil- and diethylene glycol-treated rats. Histological examination of the urinary bladder revealed that the BBN-acetazolamide treatment resulted in a higher incidence of carcinoma than BBN-control. Uracil and diethylene glycol did not cause any significant difference compared to the control. Promoting effects by urinary crystals were not clearly shown in the present experiment and, therefore, urinary crystals appear to play a very limited role, if any, in urinary bladder carcinogenesis.

UI MeSH Term Description Entries
D008297 Male Males
D009602 Nitrosamines A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties. Nitrosamine
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
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
D003460 Crystallization The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Crystalline Polymorphs,Polymorphism, Crystallization,Crystal Growth,Polymorphic Crystals,Crystal, Polymorphic,Crystalline Polymorph,Crystallization Polymorphism,Crystallization Polymorphisms,Crystals, Polymorphic,Growth, Crystal,Polymorph, Crystalline,Polymorphic Crystal,Polymorphisms, Crystallization,Polymorphs, Crystalline
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D005026 Ethylene Glycols An ethylene compound with two hydroxy groups (-OH) located on adjacent carbons. They are viscous and colorless liquids. Some are used as anesthetics or hypnotics. However, the class is best known for their use as a coolant or antifreeze. Dihydroxyethanes,Ethanediols,Glycols, Ethylene
D000086 Acetazolamide One of the CARBONIC ANHYDRASE INHIBITORS that is sometimes effective against absence seizures. It is sometimes useful also as an adjunct in the treatment of tonic-clonic, myoclonic, and atonic seizures, particularly in women whose seizures occur or are exacerbated at specific times in the menstrual cycle. However, its usefulness is transient often because of rapid development of tolerance. Its antiepileptic effect may be due to its inhibitory effect on brain carbonic anhydrase, which leads to an increased transneuronal chloride gradient, increased chloride current, and increased inhibition. (From Smith and Reynard, Textbook of Pharmacology, 1991, p337) Acetadiazol,Acetazolam,Acetazolamide Sodium, (Sterile),Acetazolamide, Monosodium Salt,Ak-Zol,Apo-Acetazolamide,Diacarb,Diamox,Diuramide,Défiltran,Edemox,Glauconox,Glaupax,Huma-Zolamide,Ak Zol,AkZol,Apo Acetazolamide,ApoAcetazolamide,Huma Zolamide,HumaZolamide
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
D014498 Uracil One of four nucleotide bases in the nucleic acid RNA.

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