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dc.contributor.authorGalán-Arriero, Iriana-
dc.contributor.authorAvila-Martín, Gerardo-
dc.contributor.authorFerrer-Donato, Águeda-
dc.contributor.authorGómez-Soriano, Julio-
dc.contributor.authorPiazza, Stefano-
dc.contributor.authorTaylor, Julian S.-
dc.date.accessioned2020-02-03T11:55:14Z-
dc.date.available2020-02-03T11:55:14Z-
dc.date.issued2015-
dc.identifier.citationNeuroscience Letters 604: 69-74 (2015)-
dc.identifier.issn0304-3940-
dc.identifier.urihttp://hdl.handle.net/10261/199492-
dc.description.abstractMicroglia cell activation plays a role in the development of neuropathic pain partly due to the activation of the p38α MAPK signaling pathway after nerve injury. In this study we assessed the effect of UR13870, a p38α MAPK inhibitor, in the “spared nerve injury” (SNI) model, to study its effects on modulation of spinal microglial activation and to test behavioral hyperreflexia responses and cerebral-mediated pain behavior. The effect of daily administration of UR13870 (10 mg/kg p.o.) and Pregabalin (50 mg/kg p.o.) on reflex hypersensitivity to mechanical and cold test stimuli and on affective related pain responses measured with the place escape avoidance paradigm and the open field-induced anxiety test, were evaluated after SNI in Sprague Dawley rats. Microglial reactivity in the ipsilateral lumbar laminae I/II dorsal horn was evaluated with OX-42 immunohistochemistry. UR13870 treatment significantly decreased hindlimb hyperreflexia to both mechanical and cold stimuli after SNI without loss of general motor function, in addition to a reduction in pain-related anxiety behavior at day 21 after SNI, accompanied by normalization of OX-42 immunoreactivity within the ipsilateral lumbar dorsal horn. Pregabalin treatment only reduced mechanical hyperreflexia and affected general motor function. Oral administration of the p38α MAPK inhibitor, UR13870, mediates antinociception to both mechanical and cold stimuli, and significantly restored inner-zone exploration in the open field test, accompanied by normalization in dorsal horn microglial activation in the SNI model.-
dc.description.sponsorshipThis work has been funded by Fundación Mutua Madrileña2010 and 2013, INNPACTO (Ministerio de Ciencia e Innovación, IPT-010000-2010-016), BIO2010-21132, Consorcio ‘Dendria- Draconis Pharma S.L. (CDTI), Instituto de Salud Carlos III PI11/00592-
dc.languageeng-
dc.publisherElsevier BV-
dc.rightsclosedAccess-
dc.subjectSpared nerve injury-
dc.subjectNeuropathic pain-
dc.subjectp38α MAPK inhibitor-
dc.subjectAntinociception-
dc.subjectMicroglia-
dc.subjectOX-42-
dc.subjectPlace escape/avoidance paradigm-
dc.subjectOpen field induced anxiety test-
dc.titleEarly treatment with UR13870, a novel inhibitor of p38α mitogenous activated protein kinase, prevents hyperreflexia and anxiety behaviors, in the spared nerve injury model of neuropathic pain-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.1016/j.neulet.2015.07.044-
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.neulet.2015.07.044-
dc.identifier.e-issn1872-7972-
dc.date.updated2020-02-03T11:55:14Z-
dc.contributor.funderFundación Mutua Madrileña-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderInstituto de Salud Carlos III-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004587es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100008061es_ES
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