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Toxicol Appl Pharmacol ; 280(2): 216-23, 2014 Oct 15.
Artigo em Inglês | MEDLINE | ID: mdl-25110056

RESUMO

Antineoplastic treatment with cisplatin is frequently complicated by nephrotoxicity. Although oxidative stress may be involved, the pathogenic mechanisms responsible for renal damage have not been completely clarified. In order to investigate the role of the renal kinin system in this condition, a group of rats was submitted to high potassium diet to stimulate the synthesis and excretion of tissue kallikrein 1 (rKLK1) previous to an intraperitoneal injection of 7 mg/kg cisplatin. A significant reduction in lipoperoxidation, evidenced by urinary excretion of malondialdehyde and renal immunostaining of hidroxy-nonenal, was accompanied by a decline in apoptosis. Coincident with these findings we observed a reduction in the expression of renal KIM-1 suggesting that renoprotection may be occurring. Stimulation or indemnity of the renal kinin system deserves to be evaluated as a complementary pharmacological measure to diminish cisplatin nephrotoxicity.


Assuntos
Injúria Renal Aguda/induzido quimicamente , Antineoplásicos/toxicidade , Cisplatino/toxicidade , Calicreínas/fisiologia , Animais , Moléculas de Adesão Celular/análise , Rim/efeitos dos fármacos , Masculino , Malondialdeído/urina , Ratos , Ratos Sprague-Dawley , Superóxido Dismutase/metabolismo , Superóxido Dismutase-1
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