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Expression of cannabinoid CB1R–GPR55 heteromers in neuronal subtypes of the Macaca fascicularis striatum
dc.contributor.author | Martínez Pinilla, Eva | |
dc.contributor.author | Rico, Alberto J | |
dc.contributor.author | Rivas Santisteban, Rafael | |
dc.contributor.author | Lillo, Jaume | |
dc.contributor.author | Roda, Elvira | |
dc.contributor.author | Navarro, Gemma | |
dc.contributor.author | Franco, Rafael | |
dc.contributor.author | Laciengo, José L | |
dc.date.accessioned | 2024-01-19T10:11:09Z | |
dc.date.available | 2024-01-19T10:11:09Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Annals of the New York Academy of Sciences (2020); doi: 10.1111/nyas.14413 | |
dc.identifier.issn | 1749-6632 | |
dc.identifier.uri | https://hdl.handle.net/10651/70908 | |
dc.description.abstract | The cannabinoid CB1 receptor (CB1R) is the most abundant G protein–coupled receptor in the central nervous system, consistent with the important role of endocannabinoids as neuromodulators. Cannabinoids also modulate the function of G protein–coupled receptor 55 (GPR55), which forms heteroreceptor complexes with the CB1R in the striatum. The aim was to characterize cannabinoid CB1R–GPR55 heteromers (CB1R/GPR55Hets) in the basal ganglia input nuclei of nonhuman primates, Macaca fascicularis, both in projection neurons and interneurons, by the in situ proximity ligation assay. Striatal projecting neurons were identified by the retrograde neuroanatomical tracer, biotinylated dextran amine (BDA), injected into external or internal subdivisions of the globus pallidus. Triple immunofluorescent stains were carried out to visualize (1) BDA-labeled neurons, (2) CB1R/GPR55Hets, and (3) striatal interneurons positive for choline acetyltransferase, parvalbumin, calretinin, or nitric oxide synthase. CB1R/GPR55Hets were identified within both types of projection neurons as well as all interneurons except those that are cholinergic. Moreover, CB1R/GPR55Hets were found specifically in the neuronal cell surface, and also in intracellular membranes. Further research efforts will be needed to confirm the intracellular occurrence of heteromers and their potential as therapeutic targets in diseases related to motor control imbalances, particularly within a parkinsonian context (with or without levodopa-induced dyskinesia). | spa |
dc.format.extent | p. 34-42 | spa |
dc.language.iso | eng | spa |
dc.relation.ispartof | Annals of the New York Academy of Sciences | spa |
dc.rights | © 2020 New York Academy of Sciences | |
dc.subject | G protein–coupled receptor (GPCR) | spa |
dc.subject | Heteromer | |
dc.subject | Biotinylated dextran amine | |
dc.subject | Projection neurons | |
dc.subject | Interneurons | |
dc.subject | Cannabinoid receptor | |
dc.subject | CB1 | |
dc.title | Expression of cannabinoid CB1R–GPR55 heteromers in neuronal subtypes of the Macaca fascicularis striatum | spa |
dc.type | journal article | spa |
dc.identifier.doi | 10.1111/nyas.14413 | |
dc.relation.projectID | Spanish Ministerio de Economía y Competitividad (MINECO) (#BFU2012-37907, #SAF2008-03118- E, and #SAF2012-39875-C02-01; they may include EU FEDER funds), Eranet-Neuron (Heteropark), CIBERNED (CB06/05/006), Fundació La Marató de TV3 (20141330 to R.F. and 20141331 to J.L.L.), and by the Departamento de Salud del Gobierno de Navarra | spa |
dc.relation.publisherversion | https://doi.org/10.1111/nyas.14413 | |
dc.type.hasVersion | VoR | spa |
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