Efeitos do Tratamento Crônico com Sinvastatina na Função Renal de Ratos Submetidos a um Modelo Experimental de Doença Renal Crônica/ Effects of Chronic Treatment with Sinvastatin on Renal Function in Rats Subjected to an Experimental Model of Chronic Ki
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Abstract
Objetivos: Avaliar os efeitos do tratamento crônico com sinvastatina na função renal de ratos submetidos a um modelo experimental de doença renal crônica. Metodologia: Foram utilizados 30 ratos, machos, adultos jovens, da linhagem Wistar, com peso entre 200 e 250 g e idade entre 60 e 90 dias. Os animais foram divididos aleatoriamente em 3 grupos com 10 ratos cada. Foi realizada a cirurgia seguindo o modelo experimental de doença renal crônica moderada (DRC-M) baseado na metodologia descrita por Ormrod & Miller, 1980. Após os procedimentos cirúrgicos, os animais receberam os referidos tratamentos, por um período de duas semanas: Grupo 1 - Animais com DRC-M tratados com água destilada VO (Gavagem) (n=10). Grupo 2 - Animais com DRC-M tratados com 5mg/Kg de sinvastatina VO (n=10). Grupo 3 - Animais com DRC-M tratados com 10mg/Kg de sinvastatina VO (n=10). Resultados: A indução de DRC-M não produziu alterações significativas sobre o débito urinário, ingesta hídrica, ingesta alimentar e parâmetros da função renal estudados, quando comparados o grupo controle com sinvastatina 5mg/Kg ou com sinvastatina 10mg/Kg ou quando comparados os grupos sinvastatinas entre si. Conclusão: Esses dados demonstram que o tratamento com sinvastatina, independente da dosagem do trabalho, não produziu melhora da função renal de ratos submetidos a um modelo experimental de Doença Renal Crônica Moderada (DRC-M).
Palavras-chave: doença renal crônica, sinvastatina, experimentos com ratos
ABSTRACT
Objectives: To evaluate the effects of chronic treatment with sinvastatin on renal function in rats subjected to an experimental model of chronic renal disease. Methods: 30 male rats were young adults, the Wistar strain, weighing between 200 and 250 g and aged between 60 and 90 days were used. The animals were randomly divided into 3 groups with 10 rats in each. Surgery was performed following the experimental moderate chronic (CKD-M) model of kidney disease based on the methodology described by Miller & Ormrod, 1980. After the surgical procedures, animals receive these treatments for a period of two weeks: Group 1 - animals with CKD-M with distilled water and treated orally (gavage) (n = 10). Group 2 - animals with CKD-M and treated with sinvastatin 5mg/kg orally (n = 10). Group 3- animals with CKD-M and sinvastatin treated with 10mg/kg orally (n = 10). Results: Induction of CKD-M produced no significant change on urine output, fluid intake, food intake and renal function parameters studied when comparing the control group with sinvastatin or sinvastatin 5mg/kg or 10mg/kg when comparing groups sinvastatin to each other. Conclusion: These data demonstrate that treatment with sinvastatin dosage independent from the work produced no improvement in renal function in rats subjected to an experimental model of Moderate Chronic Kidney Disease (CKD-M).
Keywords: Chronic Kidney Disease, sinvastatin, experiments with rats.
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