Protective Effect of Licorice Water Extract against Cadmium-induced Nephro-toxicity in Rats

  • Lee, Jong-Rok (College of Oriental Medicine, Daegu Haany University) ;
  • Kim, Sang-Chan (College of Oriental Medicine, Daegu Haany University. Development Team for The New Drug of Oriental Medicine(BK21 program), Daegu Haany University)
  • Published : 2007.06.25

Abstract

Licorice has been used for cure of injuries and for detoxification in East Asia. This study investigated the protective effect of licorice water extract against cadmium (CdCl$_2$, Cd)-induced nephro-toxicity in rats. To induce acute toxicity, Cd (4 mg/kg body weight) was dissolved in normal saline and then, intravenously (i.v.) injected to animals. In experiments, animals were orally administrated with vehicle or licorice water extract (50-100 mg/kg) for 3 days, exposed to a single injection of Cd after 24 h the last licorice/vehicle treatment. Licorice protected kidney injuries by Cd treatment. The number of glomeruli showing vasodilatation and thickening of Bowman's capsule was dose-dependently decreased by licorice. These results suggest that licorice might be a potent preventive protector against Cd-induced nephro-toxicity in rats.

Keywords

References

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