Anti-inflammatory and Radical Scavenging Effects of Spirodela polyrrhiza

  • Jeon, Hoon (College of Pharmacy, Woosuk University)
  • Received : 2010.03.10
  • Accepted : 2010.05.25
  • Published : 2010.06.30

Abstract

Anti-inflammatory and anti-oxidant effect of Spirodela polyrrhiza (Lemnaceae), a widely used traditional medicinal plant were investigated. In macrophages nitric oxide (NO) is released as an inflammatory mediator and has been proposed to be an important modulator of many pathophysiological conditions including inflammation. 85% MeOH extracts of S. polyrrhiza (0.01, 0.1, 1 mg/mL) suppressed nitric oxide production in interferone-$\gamma$ (IFN-$\gamma$) and lipopoloysaccharide(LPS)-stimulated macrophages. It also attenuated the expression of inflammatory enzymes like inducible NOS (iNOS) and cyclooxygenase-2(COX-2) as assessed by immunoblotting with specific antibodies. Moreover, the values obtained with DPPH radical, superoxide anion and NO radical scavenging assay showed that S. polyrrhiza has potent antioxidant properties as a natural ROS scavenger. The results of the present study suggest the potential use of S. polyrrhiza in the treatment of ROS-mediated chronic inflammatory diseases such as atherosclerosis and rheumatoid arthritis.

Keywords

References

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