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Protective effects of thymol against nephrotoxicity induced by cisplatin with using 99mTc-DMSA in mice
Seyed Jalal Hosseinimehr1, Reza Asadian, Farshad Naghshvar
1Department of Radiopharmacy, Faculty of Pharmacy, Traditional and Complementary Medicine Research Center, Mazandaran University of Medical Sciences , Sari , Iran .
Background:
In this study, we investigated the protective effect of thymol as a natural compound against cisplatin-induced nephrotoxicity by quantitative renal 99mTc-DMSA uptake and compared its effect with histopathology in mice.
Materials And Methods:
Mice were divided into six groups as control, cisplatin (7.5 mg/kg, intraperitoneally), thymol+cisplatin (thymol; 50 and 150 mg/kg+cisplatin; 7.5 mg/kg) and thymol (50 and 150 mg/kg). Thymol was orally administrated for two days before cisplatin injection and continued for 4 days. (99m)Tc-DMSA was injected through the tail of mice after the drug administration. The percentage of the injected dose per gram of kidney tissue (%ID/g) was calculated. In other experiment, kidneys of treated mice were assessed for histopathology.
Results:
99mTc-DMSA uptake per gram tissue of the kidneys as %ID/g was 85.27±21.81, 45.55±5.50, 65.02±32.21 and 88.46±20.46 in the control, cisplatin, thymol (50 mg/kg)+cisplatin and thymol (150 mg/kg)+cisplatin. Thymol administration with cisplatin resulted in a significant increase in the level of %ID/g. Histopathological examinations showed a protective effect of thymol against cisplatin nephrotoxicity in mice.
Conclusion:
The results showed that thymol significantly attenuates the cisplatin-induced nephrotoxicity in mice, and 99mTc-DMSA uptake in kidney is a suitable method for assessment of nephrotoxicity in mice.
