Protective effects of Danshen (Salvia Miltiorrhiza) on adriamycin-induced cardiac and hepatic toxicity in rats
2007
You, Jyh-Sheng | Pan, Tai-Long | Lee, Ying-Shiung
The present study was carried out to investigate the protective effects of Danshen (DS, Salvia miltiorrhiza) on adriamycin (ADR)-induced cardiac and hepatic toxicity. Wistar rats were divided into six groups: control group, 10 animals received saline (i.p.); 15 animals received ADR (3 mg/kg, i.p.) three times weekly, for 2 weeks; 10 animals each received DS₁ (20 mg/kg, oral) and DS₂ (100 mg/kg, oral) for 30 days; 15 animals each received DS₁ + ADR and DS₂ + ADR. The ADR-induced cardiac and hepatic toxicity and protective action of DS were determined and quantitated with the use of hemodynamic measurements, biochemical analyses of serum, synthesis rates of DNA, RNA and protein, myocardial antioxidants, lipid peroxidation and histopathological procedure. Liver function was damaged. Nucleic acid as well as protein synthesis was inhibited, while lipid peroxidation was increased. Myocardial glutathione peroxidase (GSHPx) activity and superoxide dismutase activities (SOD) were decreased and histopathology revealed myocardial lesions indicative of ADR-induced cardiac and hepatic toxicity. In contrast, administration of DS before and concurrent with ADR significantly attenuated these effects. In conclusion, DS is potentially protective against ADR-induced cardiac and hepatic toxicity.
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