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dc.contributor.author
Colettis, Natalia Claudia
dc.contributor.author
Snitcofsky, Marina
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Kornisiuk, Edgar Ernesto
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González, Emilio N.
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Quillfeldt, Jorge A.
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Jerusalinsky, Diana Alicia
dc.date.available
2017-05-31T19:46:57Z
dc.date.issued
2014-11
dc.identifier.citation
Colettis, Natalia Claudia; Snitcofsky, Marina; Kornisiuk, Edgar Ernesto; González, Emilio N.; Quillfeldt, Jorge A.; et al.; Amnesia of inhibitory avoidance by scopolamine is overcome by previous open-field exposure; Cold Spring Harbor Lab Press; Learning & Memory (cold Spring Harbor, N.y.); 21; 11; 11-2014; 634-645
dc.identifier.issn
1072-0502
dc.identifier.uri
http://hdl.handle.net/11336/17197
dc.description.abstract
The muscarinic cholinergic receptor (MAChR) blockade with scopolamine either extended or restricted to the hippocampus, before or after training in inhibitory avoidance (IA) caused anterograde or retrograde amnesia, respectively, in the rat, because there was no long-term memory (LTM) expression. Adult Wistar rats previously exposed to one or two open-field (OF) sessions of 3 min each (habituated), behaved as control animals after a weak though over-threshold training in IA. However, after OF exposure, IA LTM was formed and expressed in spite of an extensive or restricted to the hippocampus MAChR blockade. It was reported that during and after OF exposure and reexposure there was an increase in both hippocampal and cortical ACh release that would contribute to “prime the substrate,” e.g., by lowering the synaptic threshold for plasticity, leading to LTM consolidation. In the frame of the “synaptic tagging and capture” hypothesis, plasticity-related proteins synthesized during/after the previous OF could facilitate synaptic plasticity for IA in the same structure. However, IA anterograde amnesia by hippocampal protein synthesis inhibition with anisomycin was also prevented by two OF exposures, strongly suggesting that there would be alternative interpretations for the role of protein synthesis in memory formation and that another structure could also be involved in this “OF effect.”
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Cold Spring Harbor Lab Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc/2.5/ar/
dc.subject
Muscarinic Acetylcholine Receptors
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Learning
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Memory
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Rat Hippocampus
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Inhibitory Avoidance
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Open Field
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Amnesia of inhibitory avoidance by scopolamine is overcome by previous open-field exposure
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-05-26T14:43:13Z
dc.identifier.eissn
1549-5485
dc.journal.volume
21
dc.journal.number
11
dc.journal.pagination
634-645
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Colettis, Natalia Claudia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Biología Celular y Neurociencia "Prof. Eduardo de Robertis". Universidad de Buenos Aires. Facultad de Medicina. Instituto de Biología Celular y Neurociencia; Argentina
dc.description.fil
Fil: Snitcofsky, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Biología Celular y Neurociencia "Prof. Eduardo de Robertis". Universidad de Buenos Aires. Facultad de Medicina. Instituto de Biología Celular y Neurociencia; Argentina
dc.description.fil
Fil: Kornisiuk, Edgar Ernesto. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Biología Celular y Neurociencia "Prof. Eduardo de Robertis". Universidad de Buenos Aires. Facultad de Medicina. Instituto de Biología Celular y Neurociencia; Argentina
dc.description.fil
Fil: González, Emilio N.. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Biología Celular y Neurociencia "Prof. Eduardo de Robertis". Universidad de Buenos Aires. Facultad de Medicina. Instituto de Biología Celular y Neurociencia; Argentina
dc.description.fil
Fil: Quillfeldt, Jorge A.. Universidade Federal do Rio Grande do Sul; Brasil
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Fil: Jerusalinsky, Diana Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Biología Celular y Neurociencia "Prof. Eduardo de Robertis". Universidad de Buenos Aires. Facultad de Medicina. Instituto de Biología Celular y Neurociencia; Argentina
dc.journal.title
Learning & Memory (cold Spring Harbor, N.y.)
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1101/lm.036210.114
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://learnmem.cshlp.org/content/21/11/634
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4201807/
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