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Int. j. morphol ; 29(1): 144-150, Mar. 2011. ilus
Article in English | LILACS | ID: lil-591966

ABSTRACT

In this study, we evaluated the ultrastructural findings of kidney with systemic administration of different doses of atorvastatin in a rat model. Statins may have anti-inflammatory effects that would play a role in preventing the cellular damage. The aim of this study was to investigate how atorvastatin could play a role in kidney tissues. Forty adult male Wistar albino rats (200­250 g) were randomly divided into 4 groups of ten rats each (A1, A2, A3 and Control). Three different doses of atorvastatin were used to determine the effects on kidney tissues during 90 day period. The kidneys of A1 (0.1-mg group), A2 (0.5-mg group) and A3 (1-mg group) group were excised and the tissues were examined after the 90 days by transmission electron microscopy. Despite increasing the dose of atorvastatin intake, the histological structures of atorvastatin groups were appeared normal in the same period. In conclusion, long-term use of atorvastatin was not found to have an adverse effect on kidney tissue.


En un modelo de rata, se evaluaron los hallazgos ultraestructurales del riñón provocados por la administración sistémica de diferentes dosis de atorvastatina. Las estatinas pueden tener efectos anti-inflamatorios que desempeñan un importante rol en la prevención del daño celular. El objetivo de este estudio fue investigar cómo la atorvastatina podría desempeñar un papel en los tejidos del riñón. 40 Ratas Wistar albinas Adultas (200-250 g) machos fueron divididas aleatoriamente en cuatro grupos de 10 ejemplares cada uno (A1, A2, A3 y Control). Tres diferentes dosis de atorvastatina se utilizaron para determinar los efectos sobre los tejidos del riñón durante un período de 90 días. Los riñones de los grupos A1 (0,1 mg), A2 (0,5 mg) y A3 (1 mg) fueron extirpados a los 90 días y los tejidos examinados por microscopía electrónica de transmisión. A pesar de haberse aumentado la dosis de ingesta de atorvastatina, las estructuras histológicas se asemejaron al grupo normal del mismo período. En conclusión, el uso de atorvastatina en un plazo prolongado, no produce efecto negativo sobre el tejido renal.


Subject(s)
Animals , Male , Adult , Rats , Hydroxymethylglutaryl-CoA Reductase Inhibitors/administration & dosage , Hydroxymethylglutaryl-CoA Reductase Inhibitors/pharmacology , Hydroxymethylglutaryl-CoA Reductase Inhibitors/metabolism , Hydroxymethylglutaryl-CoA Reductase Inhibitors/blood , Kidney/anatomy & histology , Kidney/cytology , Kidney , Rats, Wistar/metabolism
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