1999
DOI: 10.1038/sj.bjp.0702266
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Cytokine‐mediated inflammatory hyperalgesia limited by interleukin‐4

Abstract: 1 The e ect of IL-4 on responses to intraplantar (i.pl.) carrageenin, bradykinin, TNFa, IL-1b, IL-8 and PGE 2 was investigated in a model of mechanical hyperalgesia in rats. Also, the cellular source of the IL-4 was investigated. 2 IL-4, 30 min before the stimulus, inhibited responses to carrageenin, bradykinin, and TNFa, but not responses to IL-1b, IL-8 and PGE 2 . 3 IL-4, 2 h before the injection of IL-1b, did not a ect the response to IL-1b, whereas IL-4, 12 or 12+2 h before the IL-1b, inhibited the hyperal… Show more

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Cited by 129 publications
(75 citation statements)
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“…Discussion IL-33 is a newly discovered cytokine that acts through the ST2/IL1RAcP (IL-1 receptor accessory protein) receptor complex (1, 20,21) and is closely associated with Th2-type immune functions (1, 7,8) and mast cell activation (1, 22, 23). We have previously demonstrated that Th1 cytokines induce hypernociception, whereas Th2 cytokines such as IL-4 and IL-13 inhibit hypernociception (24)(25)(26)(27). Thus, data presented here showing a pronociceptive role of IL-33 may seem contraintuitive.…”
Section: Il-33 Inducesmentioning
confidence: 53%
“…Discussion IL-33 is a newly discovered cytokine that acts through the ST2/IL1RAcP (IL-1 receptor accessory protein) receptor complex (1, 20,21) and is closely associated with Th2-type immune functions (1, 7,8) and mast cell activation (1, 22, 23). We have previously demonstrated that Th1 cytokines induce hypernociception, whereas Th2 cytokines such as IL-4 and IL-13 inhibit hypernociception (24)(25)(26)(27). Thus, data presented here showing a pronociceptive role of IL-33 may seem contraintuitive.…”
Section: Il-33 Inducesmentioning
confidence: 53%
“…Identical responses were obtained in vitro on macrophage cultures. Moreover, the hyperalgesic response to IL-1␤ was inhibited by 30 to 74% by intraplantar IL-4 when IL-4 was injected 12 h before IL-1␤ whereas it had no effect when it was administered 30 min before IL-1␤ (Cunha et al 1999). Exposure of murine peritoneal macrophages to murine IL-4 for 16 h before stimulation with LPS inhibited LPS-induced production of prostaglandin E 2 (PGE 2 ) but not of IL-1␤.…”
Section: Discussionmentioning
confidence: 97%
“…In particular, sublethally infected mice given IL-4 at the time of infection responded to this treatment with increased mortality and overproduction of TNF-␣ (Giampietri et al 2000). Moreover, IL-4 administered 30 min before inhibited the hyperalgesia induced by bradykinin and TNF-␣ but not by IL-1␤ (Cunha et al 1999). In vitro, IL-4 failed to inhibit LPS-induced production of IL-1␤ in cocultures of rat microglia and astrocytes (Ledeboer et al 2000) and IL-6 in mouse primary astrocytes , and it was able to enhance TNF-␣ (Giampietri et al 2000) and IL-6 production (Pousset et al 1999) under some conditions.…”
Section: Discussionmentioning
confidence: 98%
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“…Bien que peu d'études aient recherché l'efficacité de telles stratégies sur l'hyperalgésie, leurs résultats semblent prometteurs. Dans les modèles de douleur inflammatoire comme neurologique, l'hyperalgésie décrite est atténuée par l'application locale (au site d'inflammation ou de lésion) d'IL-10 ou d'IL-4 [19,20], ou encore par l'introduction dans l'espace intrathécal de vecteurs plasmidiques ou adé-noviraux permettant la production d'IL-2 ou d'IL-10 [21,22]. Le contrôle ciblé de leur production et de leur libération par les cellules gliales spinales activées pourrait repré-senter une voie thérapeutique dans le traitement des douleurs chroniques chez l'homme.…”
Section: Cytokines Et Thérapie Génique De La Douleurunclassified