Protective effects of Salvia Officinalis extract against gentamicin-induced nephrotoxicity in rat

AUTHORS

Saeed Changizi Ashtiani 1 , * , Mostafa Jafari 2 , Houshang Najafi 3 , Mahboubeh Ahmadi 1

AUTHORS INFORMATION

1 Dept. of Physiology, School of Medicine, Arak University of Medical Sciences, Arak, Iran

2 Student Research Committee, Arak University of Medical Sciences, Arak, Iran

3 Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran

How to Cite: Changizi Ashtiani S, Jafari M, Najafi H, Ahmadi M. Protective effects of Salvia Officinalis extract against gentamicin-induced nephrotoxicity in rat, J Kermanshah Univ Med Sci. 2013 ; 17(4):e77097.

ARTICLE INFORMATION

Journal of Kermanshah University of Medical Sciences: 17 (4); e77097
Published Online: July 29, 2013
Article Type: Research Article
Received: February 11, 2013
Accepted: May 14, 2013

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Abstract

Background: The aim of this study was to examine the renoprotective effect of hydro alcoholic sage (Salvia Officinalis: SO) leaves extract against gentamicin-induced nephrotoxicity in rats.

Methods: In this experimental study forty male sprague dawley rats weighing 200-300 g were randomly divided into 5 groups; (1) the rats without treatment (control), (2) intraperitoneally injected with normal saline for one week (sham), (3) gentamicin 80 mg/kg/day, intraperitoneally for 7 days (GEN), (4) sage extract at 50 mg/kg/day plus gentamicin (80 mg/kg/day) for one week (GEN+SO 50) and (5) sage extract at 100 mg/kg/day plus gentamicin (80 mg/kg/day)  for one week (GEN+SO 100). During the last 6 hours, the rats were transferred to the metabolic cage for urine sampling. At the end of the period, after deep anesthesia with thiopental, blood samples were obtained from aorta and the left kidney were removed for oxidative stress measurement. Statistical analyses were made by one way analysis of variance.

Results: The decrease in the amount of glomerular filtration rate (GFR) induced by gentamicin was relatively improved by sage extract administration which leaded to the decrease in plasma creatinine and urea-nitrogen concentrations. In addition, the relative excretion of sodium and potassium decreased and absolute excretion of potassium increased in the GEN+SO groups. The degree of oxidative stress that had increased by gentamicin were also significantly lowered by sage extracts administration.

Conclusion: Sage extract exhibits nephroprotective effect in gentamicin induced renal damage probably by its anti-oxidant activity, but further studies on its exact mechanism of action are warranted.

Keywords

gentamicin Salvia Officinalis oxidative stress nephrotoxicity

© 2013, Journal of Kermanshah University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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