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dc.rights.licenseReconocimiento-NoComercial-SinObraDerivada 4.0 Internacional. (CC BY-NC-ND)es
dc.contributor.authorUrbanavicius, Jessikaes
dc.contributor.authorFabius, Saraes
dc.contributor.authorRoncalho, Alinees
dc.contributor.authorJoca, Samiaes
dc.contributor.authorTorterolo, Pabloes
dc.contributor.authorScorza, Ceciliaes
dc.date.accessioned2021-03-02T15:53:08Z-
dc.date.available2021-05-18T03:05:10Z-
dc.date.issued2019-07-31-
dc.identifier.urihttps://hdl.handle.net/20.500.12381/276-
dc.description.abstractAnimal studies have shown that antagonists of receptor 1 of Melanin-Concentrating Hormone (MCH-R1) elicit antidepressive-like behavior, suggesting that MCH-R1 might be a novel target for the treatment of depression and supports the hypothesis that MCHergic signaling regulates depressive-like behaviors. Consistent with the evidence that MCHergic neurons send projections to dorsal and median raphe nuclei, we have previously demonstrated that MCH microinjections in both nuclei induced a depressive-like behavior. Even though MCH neurons also project to Locus coeruleus (LC), only a few studies have reported the behavioral and neurochemical effect of MCH into the LC. We studied the effects of MCH (100 and 200 ng) into the LC on coping-stress related behaviors associated with depression, using two different behavioral tests: the forced swimming test (FST) and the learned helplessness (LH). To characterize the functional interaction between MCH and the noradrenergic LC system, we also evaluated the neurochemical effects of MCH (100 ng) on the extracellular levels of noradrenaline (NA) in the medial prefrontal cortex (mPFC), an important LC terminal region involved in emotional processing. MCH administration into the LC elicited a depressive-like behavior evidenced in both paradigms. Interestingly, in the LH, MCH (100) elicited a significant increase in escape failures only in stressed animals. A significant decrease in prefrontal levels of NA was observed after MCH microinjection into the LC. Our results demonstrate that increased MCH signaling into the LC triggers depressive-like behaviors, especially in stressed animals. These data further corroborate the important role of MCH in the neurobiology of depression.es
dc.description.sponsorshipAgencia Nacional de Investigación e Innovaciónes
dc.description.sponsorshipPrograma de Desarrollo de las Ciencias Básicases
dc.language.isoenges
dc.publisherElsevieres
dc.rightsAcceso abiertoes
dc.sourceBehavioural Brain Research 374:112120es
dc.subjectForced swimming testes
dc.subjectLearned Helplessnesses
dc.subjectNoradrenalinees
dc.subjectPrefrontal cortexes
dc.titleMelanin-concentrating hormone in the Locus Coeruleus aggravates helpless behavior in stressed ratses
dc.typeArtículoes
dc.subject.aniiCiencias Médicas y de la Saludes
dc.subject.aniiMedicina Básicaes
dc.subject.aniiNeurocienciases
dc.identifier.aniiFCE_3_2016_1_125324es
dc.type.versionAceptadoes
dc.identifier.doi10.1016/j.bbr.2019.112120-
dc.anii.institucionresponsableInstituto de Investigaciones Biológicas Clemente Establees
dc.rights.embargoterm2021-05-18es
dc.rights.embargoterm2021-05-18es
dc.identifier.urlhttps://pubmed.ncbi.nlm.nih.gov/31376444/-
dc.anii.subjectcompleto/ / Ciencias Médicas y de la Salud / Medicina Básica / Neurocienciases
Aparece en las colecciones: Instituto de Investigaciones Biológicas Clemente Estable

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