Satureja khozestanica essential oil ameliorates progression of diabetic nephropathy in uninephrectomized diabetic rats
2011
Tavafi, Majid | Ahmadvand, Hassan | Tamjidipoor, Ahmad | Delfan, Bahram | Khalatbari, Ali Reza
Diabetic nephropathy is the common cause of leading to end stage of renal disease (ESRD). Satureja khozestanica essential oil (SKEO) was used as an antioxidant and antidiabetic for the inhibition of diabetic nephropathy. Forty male rats were uninephrectomized and divided in four groups randomly; group one as control, group two diabetic untreatment, groups three and four treatment with SKEO by 250 or 500ppm in drinking water, respectively. Diabetes was induced in the second, third and fourth groups by alloxan injection subcutaneously. After eight weeks treatment, serum malondialdehyde, serum creatinine and serum urea were measured. The kidney paraffin sections were stained by periodic acid Schiff method. Glomerular volume and glomerular number were estimated by stereological rules. Glomerular sclerosis was studied semi-quantitatively. The means were compared by SPSS 13 software and Mann–Whitney test at p<0.05. Satureja khozestanica essential oil (250 or 500ppm) significantly inhibited the progression of glomerular hypertrophy, glomerular number loss, glomerulosclerosis, lipid peroxidation, serum urea and creatinine compared with the diabetic untreated group. The level of glomerular number, serum malondialdehyde, serum creatinine and urea in the treated groups was significantly maintained at the same level as that of the control group. In conclusion, satureja essential oil significantly can ameliorate glomerular hypertrophy, loss of glomerular number, glomerulosclerosis and attenuated serum urea and serum creatinine in diabetic rats.
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