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dc.creatorGonzález,Luis F.
dc.creatorHenríquez-Belmar,Francisca
dc.creatorDelgado-Acevedo,Claudia
dc.creatorCisternas-Olmedo,Marisol
dc.creatorArriagada,Gloria
dc.creatorSotomayor-Zárate,Ramón
dc.creatorMurphy,Dennis L.
dc.creatorMoya,Pablo R.
dc.date2017-01-01
dc.date.accessioned2019-05-02T21:22:39Z
dc.date.available2019-05-02T21:22:39Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0716-97602017000100225
dc.identifier.urihttp://revistaschilenas.uchile.cl/handle/2250/82722
dc.descriptionAbstract Background Obsessive–compulsive disorder (OCD) is a severe neuropsychiatric condition affecting 1–3% of the worldwide population. OCD has a strong genetic component, and the SLC1A1 gene that encodes neuronal glutamate transporter EAAT3 is a strong candidate for this disorder. To evaluate the impact of reduced EAAT3 expression in vivo, we studied male EAAT3 heterozygous and wild-type littermate mice using a battery of behavioral paradigms relevant to anxiety (open field test, elevated plus maze) and compulsivity (marble burying), as well as locomotor activity induced by amphetamine. Using high-performance liquid chromatography, we also determined tissue neurotransmitter levels in cortex, striatum and thalamus—brain areas that are relevant to OCD. Results Compared to wild-type littermates, EAAT3 heterozygous male mice have unaltered baseline anxiety-like, compulsive-like behavior and locomotor activity. Administration of acute amphetamine (5 mg/kg intraperitoneally) increased locomotion with no differences across genotypes. Tissue levels of glutamate, GABA, dopamine and serotonin did not vary between EAAT3 heterozygous and wild-type mice. Conclusions Our results indicate that reduced EAAT3 expression does not impact neurotransmitter content in the corticostriatal circuit nor alter anxiety or compulsive-like behaviors.
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dc.languageen
dc.publisherSociedad de Biología de Chile
dc.relation10.1186/s40659-017-0138-3
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceBiological Research v.50 2017
dc.subjectEAAT3
dc.subjectSLC1A1
dc.subjectNeuronal glutamate transporter
dc.subjectObsessive–compulsive disorder
dc.titleNeurochemical and behavioral characterization of neuronal glutamate transporter EAAT3 heterozygous mice


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