<![CDATA[BACKGROUNDJatropha curcas leaves have been proven to be anti-inflammatory andantioxidant. In this study we examined the antiarthritic effects of ethanolicextract of J. curcas leaves using adjuvant induced arthritis (AIA) in rats.METHODSMale Wistar rats were divided into 6 groups (n=8), consisting of normal group (0.9% NaCl), control group (complete Freund’s adjuvant/CFA 1 mg/ml), sodium diclofenac group at a dose of 6.75 mg/kg (p.o), ethanolic extract of J.curcas groups at doses of 150 mg/kg (p.o), 300 mg/kg (p.o) and 600 mg/kg (p.o). Each group was induced by 0.2 ml CFA on day 1 and a booster injection on day.5. Extracts of J. curcas were administered on days 14-28. Arthritic scores weredetermined, then analyzed using Kruskal Wallis followed by Mann Whitneytests. Mobility scores were analyzed using one way analysis of variance, followed by least significant difference multiple comparison test. Arthritic jointhistopathology was observed on day 29.RESULTSThe results showed that the ethanolic extract of J. curcas leaves at doses of150 mg/kg, 300 mg/kg and 600 mg/kg significantly reduced arthritis scores(p<0.05) compared to control group (CFA). The J. curcas leaf extract at doses of 150 and 300 mg/kg BW decreased mobility scores. Histopathology studies showed that the J. curcas extract reduced edema and cartilage destruction in arthritic joints.CONCLUSIONSThe J. curcas leaf extract had anti-arthritic effects by reducing arthritis scoresand mobility scores. The extract should be further examined as a potentialcandidate for anti-arthritic therapies.]]>
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