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Ferulic acid ethyl ester diminished Complete Freund's Adjuvant-induced incapacitation through antioxidant and anti-inflammatory activity

Francisco Valmor Macedo Cunha, Bruno de Sousa Gomes, Benedito de Sousa Neto, Alana Rodrigues Ferreira, Damião Pergentino de Sousa, Maria do Carmo de Carvalho e Martins, Francisco de Assis Oliveira
Naunyn-Schmiedeberg's Archives of Pharmacology 2016, 389 (1): 117-30
26497184
Ferulic acid ethyl ester (FAEE) is a derivate from ferulic acid which reportedly has antioxidant effect; however, its role on inflammation was unknown. In this study, we investigated the orally administered FAEE anti-inflammatory activity on experimental inflammation models and Complete Freund's Adjuvant (CFA)-induced arthritis in rats. CFA-induced arthritis has been evaluated by incapacitation model and radiographic knee joint records at different observation time. FAEE (po) reduced carrageenan-induced paw edema (p < 0.001) within the 1st to 5th hours at 50 and 100 mg/kg doses. FAEE 50 and 100 mg/kg, po inhibited leukocyte migration into air pouch model (p < 0.001), and myeloperoxidase, superoxide dismutase, and catalase activities (p < 0.001) increased total thiol concentration and decreased the TNF-α and IL-1β concentrations, NO, and thiobarbituric acid reactive species. In the CFA-induced arthritis, FAEE 50 and 100 mg/kg significantly reduced the edema and the elevation paw time, a joint disability parameter, since second hour after arthritis induction (p < 0.001). FAEE presented rat joint protective activity in radiographic records (p < 0.001). The data suggest that the FAEE exerts anti-inflammatory activity by inhibiting leukocyte migration, oxidative stress reduction, and pro-inflammatory cytokines.

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