The effect of long-term administration of aspirin and sodium saccharin on the rat kidney

Toxicology and Applied Pharmacology
S L JohanssonS M Cohen

Abstract

In a study primarily designed to evaluate the inhibitory effects of aspirin on N-[4-(5-nitro-2-furyl)-2-thiazolyl]formamide (FANFT)-initiated and saccharin-promoted bladder carcinogenesis, significant renal lesions were observed. Thus, administration in the diet of aspirin and sodium saccharin to F344 male rats for 68 weeks resulted in significant lesions of the renal papilla. In contrast to the bladder, aspirin enhanced the frequency and severity of the proliferative action of sodium saccharin on the epithelium of the renal papilla (p less than 0.05 compared to rats treated with either compound alone). The majority of rats administered the two chemicals together demonstrated moderate to severe urothelial hyperplasia of the renal papilla. Columnar metaplasia of the papillary epithelium also occurred frequently in rats fed the combination of chemicals. The rats treated with a combination of sodium saccharin and aspirin had a high incidence of renal papillary necrosis which was also present to a lesser extent among rats treated with aspirin only. Papillary calcification was also frequently observed in the rats fed the combination of aspirin and sodium saccharin. Sodium saccharin or aspirin alone reduced the light microscopic inci...Continue Reading

References

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Citations

Mar 6, 1998·Journal of Toxicology and Environmental Health. Part B, Critical Reviews·R G Schnellmann
Oct 16, 2008·Nihon yakurigaku zasshi. Folia pharmacologica Japonica·Masaya Takaoka
May 15, 2010·Urology·Fèlix GrasesAntonio Conte
Jun 1, 1992·Regulatory Toxicology and Pharmacology : RTP·C I Chappel
Mar 21, 1998·Toxicologic Pathology·J W Verlander
Mar 21, 1998·Toxicologic Pathology·P H Bach, T K Nguyen

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