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Effect of Sphaeranthus indicus ethanol extract on tissue antioxidant activity in gentamicin induced nephrotoxic rats

100%
Mathew J. E., Mantri A., Vachala S. D., Srinivasan K. K., Movaliya V.
Herba Polonica
|
2009
|
tom 55
|
nr 4
86-95
The purpose of the present study is to investigate whether the alcoholic extract of Sphaeranthus indicus could decrease the intensity of toxicity in albino rats. Gentamicin at a dose of 80mg/kg body weight was administered intraperitonially to albino male Wistar rats for 8 days. Then another set of animals were given the alcoholic extracts of S. indicus along with gentamicin treatment. The antioxidant levels, serum creatinine, serum urea etc were analyzed. The extracts could significantly decrease the gentamicin induced nephrotoxicity as inferred from the tissue antioxidant status in the drug administered animals. Remarkable change was observed in serum creatinine and urea levels. Lipid peroxidation in the kidney and liver tissues was also considerably reduced in S. indicus extract treated animals. The nephrotoxic rats showed lower activities of superoxide dismutase, catalase, glutathione transferase and reduced glutathione content in the liver and kidney which were restored to normal levels by treatment with S. indicus extract. The increased levels of lipid peroxidation in nephrotoxic rats were reverted back to normal levels after the treatment with S. indicus ethanol extract. These results suggest that it has protective effect against gentamicin induced nephrotoxicity which may be attributed to its antioxidant potential.
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Effect of ethanol extract of Graptophyllum pictum (L.) Griff. on cisplatin induced nephrotoxicity in rats

100%
Srinivasan K. K., Mathew J. E., Joseph K., Vachala S. D., Malini S.
Herba Polonica
|
2011
|
tom 57
|
nr 2
The purpose of the present study is to investigate whether the alcoholic extract of Graptophyllum pictum (L.) Griff. could decrease the intensity of nephrotoxicity in albino rats. Cisplatin at a single dose of 12 mg/kg body weight was administered intraperitonially to albino male Wistar rats. Nephrotoxicity was assessed by determining the serum creatinine and urea levels as well as renal antioxidant status in rats after cisplatin administration. Ethanolic extract of G. pictum at 150 and 300 mg/kg body weight was administered orally after cisplatin injection for 15 days. The extracts could significantly reduce the elevated serum creatinine and urea levels. Renal antioxidant defence systems, such as superoxide dismutase, catalase, glutathione peroxidase activities and reduced glutathione level, depleted by cisplatin therapy were restored to normal by treatment with the extract. Cisplatin induced lipid peroxidation was also found markedly reduced by treatment with the extract. This result indicated that ethanolic extract of G. pictum rendered significant preventive effect against cisplatin induced nephrotoxicity.
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