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  • Title: Anti-inflammatory and antinociceptive activities of the ethanolic extract of Bougainvillea xbuttiana.
    Author: Alvarez Perez Gil AL, Barbosa Navarro L, Patipo Vera M, Petricevich VL.
    Journal: J Ethnopharmacol; 2012 Dec 18; 144(3):712-9. PubMed ID: 23104071.
    Abstract:
    ETHNOPHARMACOLOGICAL RELEVANCE: Bougainvillea xbuttiana is widely distributed in Mexico and it is used as an analgesic in folk medicine. AIM OF THE STUDY: In the present study the in vivo antinociceptive and anti-inflammatory effects of the Bougainvillea xbuttiana ethanolic extract have been studied in mice. MATERIALS AND METHODS: The phytochemical analysis was performed. Antinociceptive activity was evaluated through writhing and formalin test in mice. The anti-inflammatory activity was determined with the carrageenan-induced mice paw oedema model. IL-6, IL-10 and IFN-γ levels were determined by enzyme-like immunosorbent assay, whereas TNF and nitrite levels were detected by standard assay with L929 cells and colorimetric Griess reactive, respectively. RESULTS: The results showed that the ethanolic extract of the Bougainvillea xbuttiana has significant anti-inflammatory and antinociceptive activities, by inhibition of nociception induced by acetic acid and paw oedema. This extract also induced a decrease in TNF levels and an increase of IL-6, IFN-γ and NO levels that we observed up to 2h. The highest levels of IL-10 were observed up to 4h. The ratios of pro-/anti-inflammatory cytokines in sera from mice injected with the ethanolic extract, may be manifesting an anti-inflammatory status. CONCLUSIONS: The present study provides convincing evidences that Bougainvillea xbuttiana extract possesses significant anti-nociceptive and anti-inflammatory effects.
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