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Evaluation of the effect of acetyl L-carnitine on experimental cisplatin nephrotoxicity
Ozlem Tufekci1, Dilek Gunes, Candan Ozoğul
1Departments of Pediatrics, Dokuz Eylul University Faculty of Medicine, Izmir, Turkey.
Background/Aims:
To evaluate the protective effects of acetyl L-carnitine (ALCAR) on cisplatin-induced nephrotoxicity in rats, and to gain insights into the possible protective mechanisms of ALCAR against nephrotoxicity.
Methods:
Twenty-eight Wistar rats were divided into four groups. Group 1 was administered saline only, group 2 was administered ALCAR, group 3 was administered cisplatin, and group 4 was administered ALCAR prior to cisplatin. Rats were sacrificed after 72 h of cisplatin/saline infusion. Serum creatinine and glomerular filtration rate values were obtained, and kidney samples were examined by light and electron microscopy. Apoptotic cell death and caspase-3, 8 and 9 activities were studied immunohistochemically.
Results:
In group 4, ALCAR administration resulted in an improvement in kidney function tests. Histopathological findings confirmed the biochemical data. Whilst the fusion of the foot processes of podocytes was observed in group 3, they were intact in group 4 on electron-microscopic examination. Apoptotic cell death and caspase-3, 8 and 9 activities were also decreased in group 4 compared to group 3.
Conclusions:
Antioxidative, antiapoptotic and anti-inflammatory properties of ALCAR were supported by the findings that this agent improves kidney function tests and has the effects of tissue protection and inhibition of apoptosis in cisplatin-induced nephrotoxicity.
