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Pre-stimulation of the kallikrein system in cisplatin-induced acute renal injury: An approach to renoprotection

Journal Article · · Toxicology and Applied Pharmacology
 [1];  [2];  [3]; ;  [4];  [5];  [5]
  1. Program of M.Sc., Faculty of Medicine, Universidad Austral de Chile, Valdivia (Chile)
  2. School of Biochemistry, Faculty of Sciences, Universidad Austral de Chile, Valdivia (Chile)
  3. Ph.D. Program, Faculty of Sciences, Universidad Austral de Chile, Valdivia (Chile)
  4. Department of Anatomy, Histology and Pathology, Universidad Austral de Chile, Valdivia (Chile)
  5. Department of Nephrology, Faculty of Medicine, Universidad Austral de Chile, Valdivia (Chile)
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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. - Highlights: • Mechanisms of cisplatin-induced-renal damage have not been completely clarified. • Cisplatin induces oxidative stress and apoptosis. • The renal kallikrein-kinin system is protective in experimental acute renal damage. • Kallikrein stimulation reduces oxidative stress and apoptosis induced by cisplatin. • Protection of the kallikrein-kinin system may reduce cisplatin toxicity.
OSTI ID:
22439868
Journal Information:
Toxicology and Applied Pharmacology, Journal Name: Toxicology and Applied Pharmacology Journal Issue: 2 Vol. 280; ISSN TXAPA9; ISSN 0041-008X
Country of Publication:
United States
Language:
English

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Related Subjects

60 APPLIED LIFE SCIENCES
ANIMAL TISSUES
APOPTOSIS
DIET
EXCRETION
INJURIES
INTRAPERITONEAL INJECTION
KALLIKREIN
KIDNEYS
OXIDATION
POTASSIUM
RATS
STIMULATION
TOXICITY