Abstract Title:

Inhibition of monosodium urate crystal-induced inflammation by withaferin A.

Abstract Source:

J Pharm Pharm Sci. 2008;11(4):46-55. PMID:

19183513

Abstract Author(s):

Evan Prince Sabina, Sonal Chandal, Mahaboob Khan Rasool

Abstract:

PURPOSE: Gouty arthritis is a characteristically intense acute inflammatory reaction resulting from the formation of sodium urate crystals in the joint cavity. In the present study, the effect of withaferin A, a steroidal lactone was investigated on monosodium urate crystal-induced inflammation in mice; an experimental model for gouty arthritis and compared it with that of the non-steroidal anti-inflammatory drug, indomethacin. METHODS: Paw volume and levels/activities of lysosomal enzymes, lipid peroxidation, anti-oxidant status and inflammatory mediator TNF-alpha were determined in control and monosodium urate crystal-induced mice. The levels of beta-glucuronidase and lactate dehydrogenase were also measured in monosodium urate crystal-incubated polymorphonuclear leucocytes (PMNL). RESULTS: Paw volume, the levels of lysosomal enzymes, lipid peroxidation, and inflammatory mediator tumour necrosis factor-alpha were found to be increased significantly and the activities of antioxidant status were in turn decreased in monosodium urate crystal-induced mice; however these changes were reverted back to near normal levels in withaferin A (30 mg/kg/b.wt, i.p.) treated monosodium urate crystal-induced mice. In addition, beta-glucuronidase and lactate dehydrogenase level were reduced in withaferin A (100microg/ml) treated monosodium urate crystal-incubated polymorphonuclear leucocytes. CONCLUSION: The present findings clearly indicated that withaferin A exerted a strong anti-inflammatory effect against gouty arthritis.

Study Type : In Vitro Study

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