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dc.contributor.authorFreitas, Andiara E.-
dc.contributor.authorEgea Maiquez, Javier-
dc.contributor.authorBuendía Abaitua, Izaskun-
dc.contributor.authorParada, Esther-
dc.contributor.authorNavarro, Elisa-
dc.contributor.authorCuadrado, Antonio-
dc.contributor.authorLópez, Manuela G.-
dc.date.accessioned2017-06-12T10:13:08Z-
dc.date.available2017-06-12T10:13:08Z-
dc.date.issued2016-
dc.identifierdoi: 10.1007/s12035-015-9182-6-
dc.identifiere-issn: 1559-1182-
dc.identifierissn: 0893-7648-
dc.identifier.citationMolecular Neurobiology 53(5): 3030-3045 (2016)-
dc.identifier.urihttp://hdl.handle.net/10261/151237-
dc.description.abstractAgmatine, an endogenous neuromodulator, is a potential candidate to constitute an adjuvant/monotherapy for the management of depression. A recent study by our group demonstrated that agmatine induces Nrf2 and protects against corticosterone effects in a hippocampal neuronal cell line. The present study is an extension of this previous study by assessing the antidepressant-like effect of agmatine in an animal model of depression induced by corticosterone in mice. Swiss mice were treated simultaneously with agmatine or imipramine at a dose of 0.1 mg/kg/day (p.o.) and corticosterone for 21 days and the daily administrations of experimental drugs were given immediately prior to corticosterone (20 mg/kg/day, p.o.) administrations. Wild-type C57BL/6 mice (Nrf2 (+/+)) and Nrf2 KO (Nrf2 (−/−)) were treated during 21 days with agmatine (0.1 mg/kg/day, p.o.) or vehicle. Twenty-four hours after the last treatments, the behavioral tests and biochemical assays were performed. Agmatine treatment for 21 days was able to abolish the corticosterone-induced depressive-like behavior and the alterations in the immunocontent of mature BDNF and synaptotagmin I, and in the serotonin and glutamate levels. Agmatine also abolished the corticosterone-induced changes in the morphology of astrocytes and microglia in CA1 region of hippocampus. In addition, agmatine treatment in control mice increased noradrenaline, serotonin, and dopamine levels, CREB phosphorylation, mature BDNF and synaptotagmin I immunocontents, and reduced pro-BDNF immunocontent in the hippocampus. Agmatine’s ability to produce an antidepressant-like effect was abolished in Nrf2 (−/−) mice. The present results reinforce the participation of Nrf2 in the antidepressant-like effect produced by agmatine and expand literature data concerning its mechanisms of action.-
dc.description.sponsorshipThis work was supported by CNPq, CAPES/PDSE, CAPES/PROCAD, Núcleo de Excelência em Neurociências Aplicadas de Santa Catarina (NENASC) Project/ PRONEX Program CNPq/FAPESC (Brazil) to ALSR. The 8th Convocatoria de proyectos de Cooperación Interuniversitaria UAM-Santander con America Latina, Spanish Ministry of Economy and Competence Ref. SAF2012-32223 to MGL and ALSR. This work was also supported by FIS CA12/00122 to ARN and FPU12/02220 to AW.-
dc.publisherSpringer-
dc.rightsclosedAccess-
dc.subjectNrf2-
dc.subjectDepression-
dc.subjectCorticosterone-
dc.subjectBDNF-
dc.subjectAgmatine-
dc.titleAgmatine, by improving neuroplasticity markers and inducing Nrf2, prevents corticosterone-induced depressive-like behavior in mice-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.1007/s12035-015-9182-6-
dc.date.updated2017-06-12T10:13:09Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.contributor.funderUniversidade Federal de Santa Catarina-
dc.contributor.funderUniversidad Autónoma de Madrid-
dc.contributor.funderCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil)-
dc.contributor.funderConselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil)-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004593es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100007082es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002322es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003593es_ES
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