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- Title
N-Acetylcysteine ameliorates lithium-induced renal failure in rats.
- Authors
Shai Efrati; Michael Averbukh; Sylvia Berman; Leonid Feldman; Victor Dishy; Leonid Kachko; Joshua Weissgarten; Ahuva Golik; Zhan Averbukh
- Abstract
Background. Prolonged lithium treatment may induce progressive deterioration of renal function in humans and experimental animals. N-Acetylcysteine (NAC) has been shown to be effective in the prevention of hypoperfusion and toxin-induced renal failure, but its effect on lithium nephrotoxicity has not been evaluated yet. The purpose of this study was to examine a possible renoprotective effect of NAC against lithium-induced renal failure in a rat model.Methods. Moderate renal failure was induced in 40 SpragueDawley rats using a 5 week protocol including 3 weeks of lithium chloride administration in the drinking water. The animals were divided randomly into two equal groups receiving either 10?mg/kg NAC or saline by two daily intraperitoneal injections. In week 6, the glomerular filtration rate (GFR) was assessed by 99mTechnetium diethylene triaminepentaacetic acid, and serum creatinine, blood urea nitrogen (BUN) and 24?h urinary protein and osmolarity were measured. Kidneys were excised for pathological evaluation.Results. At the end of the lithium protocol, the GFR was significantly higher in the NAC-treated group compared with the control group, 0.920.35 vs 0.560.25?ml/min/100?g, respectively, P = 0.002. Serum creatinine and BUN were also significantly lower in the NAC-treated group 1.0090.107 vs 1.1430.118?mg/dl, P = 0.001, and 83.96.8 vs 88.957.1?mg/dl, P = 0.28, respectively. The percentages of tubular necrosis and tubular lumen obstruction, evaluated by light microscopy, were significantly lower in the NAC-treated group, P = 0.002 and P = 0.007, respectively.Conclusions. NAC treatment has a renoprotective effect against lithium-induced renal failure in a rat model.
- Publication
Nephrology Dialysis Transplantation, 2005, Vol 20, Issue 1, p65
- ISSN
0931-0509
- Publication type
Academic Journal
- DOI
10.1093/ndt/gfh573