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dc.contributor.authorNunes, Rodolfo de Melo-
dc.contributor.authorMartins, Morgana Ramos-
dc.contributor.authorSilva Junior, Francisco Saraiva da-
dc.contributor.authorLeite, Ana Caroline Rocha de Melo-
dc.contributor.authorGirão, Virgínia Cláudia Carneiro-
dc.contributor.authorCunha, Fernando de Queiroz-
dc.contributor.authorMarinho, Aryana Lushese Lima Feitosa-
dc.contributor.authorPinto, Ana Carolina Matias Dinelly-
dc.contributor.authorRocha, Francisco Airton Castro-
dc.identifier.citationNUNES, R. M. et al. Strontium ranelate analgesia in arthritis models is associated to decreased cytokine release and opioid-dependent mechanisms. Inflammation Research, Basel, v. 64, n. 10, p. 781-787, oct. 2015.pt_BR
dc.description.abstractObjective We investigated the anti-inflammatory activity of strontium ranelate (SR) in arthritis models. Materials and methods Rats received 1 mg zymosan (Zy) or saline intra-articularly. Other groups were subjected to anterior cruciate ligament transection in the right knee, as an osteoarthritis (OA) model, or a sham procedure. Joint pain was assessed using the articular incapacitation and paw-pressure tests. Cell influx and cytokines were measured in joint exudates. Treatment Groups received either SR (30–300 mg/kg per os) or saline. Results SR dose-dependently and significantly inhibited joint pain in both Zy and OA models, while not altering cell influx. Naloxone administration significantly reversed SR analgesia. SR significantly reduced levels of Interleukin-1β and tumor necrosis factor-α in Zy arthritis, whereas those of cytokine-induced neutrophil chemoattractant (CINC)-1 were not altered. Conclusions SR provides analgesia in arthritis that is associated to inhibition of the release of inflammatory cytokines into inflamed joints. This effect is abrogated by administration of the opioid antagonist naloxone.pt_BR
dc.publisherInflammation Researchpt_BR
dc.titleStrontium ranelate analgesia in arthritis models is associated to decreased cytokine release and opioid-dependent mechanismspt_BR
dc.typeArtigo de Periódicopt_BR
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