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Inflammation

, Volume 38, Issue 3, pp 1028–1035 | Cite as

Artesunate Ameliorates Functional Limitations in Freund’s Complete Adjuvant-Induced Monoarthritis in Rat by Maintaining Oxidative Homeostasis and Inhibiting COX-2 Expression

  • B. Guruprasad
  • Priyanka Chaudhary
  • Tenzin Choedon
  • Vijay L. KumarEmail author
Article

Abstract

Drugs exhibiting anti-inflammatory and analgesic properties have been clinically used in the management of pain and impairment of joint functions in arthritis. In view of available studies on the beneficial effect of artesunate in various inflammatory conditions, the present study was carried out to evaluate its efficacy in ameliorating functional limitations of arthritis and to understand the underlying mechanisms. The study was carried out in rat model of Freund’s complete adjuvant-induced monoarthritis where artesunate was found to produce a dose-dependent reduction in joint inflammation, improvement in functional parameters like stair climbing ability, motility, and suppression of mechanical allodynia at the doses of 50 and 150 mg/kg. Our study shows that protection afforded by artesunate was brought about by decreasing the levels of nitric oxide, influx of neutrophils, maintenance of oxidative homeostasis, inhibition of COX-2 expression, and apoptosis. Further, histological analysis of the arthritic joints also substantiated the anti-inflammatory property of artesunate. Thus, our study shows that artesunate has a potential for use in the treatment of arthritis.

KEY WORDS

artesunate arthritis COX-2 expression inflammatory hyperalgesia oxidative homeostasis 

Notes

Acknowledgements

This work was funded by a research grant from All India Institute of Medical Sciences, New Delhi, India (A-059).

Conflict of Interest

The authors declare that there is no conflict of interest.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • B. Guruprasad
    • 1
  • Priyanka Chaudhary
    • 1
  • Tenzin Choedon
    • 2
  • Vijay L. Kumar
    • 1
    Email author
  1. 1.Department of PharmacologyAll India Institute of Medical SciencesNew DelhiIndia
  2. 2.Virology Group, International Centre for Genetic Engineering and BiotechnologyNew DelhiIndia

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