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dc.contributor.author
Cáceres, Lucila Guadalupe
dc.contributor.author
Cid, Mariana Paula
dc.contributor.author
Urán, Soledad Lucía
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Zorrilla Zubilete, María Aurelia
dc.contributor.author
Salvatierra, Nancy Alicia
dc.contributor.author
Guelman, Laura Ruth
dc.date.available
2017-10-05T15:38:54Z
dc.date.issued
2013-08
dc.identifier.citation
Cáceres, Lucila Guadalupe; Cid, Mariana Paula; Urán, Soledad Lucía; Zorrilla Zubilete, María Aurelia; Salvatierra, Nancy Alicia; et al.; Pharmacological alterations that could underlie radiation-induced changes in associative memory and anxiety; Elsevier Inc; Pharmacology Biochemistry and Behavior; 111; 8-2013; 37-43
dc.identifier.issn
0091-3057
dc.identifier.uri
http://hdl.handle.net/11336/25968
dc.description.abstract
It is widely known that ionizing radiation is a physical agent broadly used to kill tumor cells during human cancer therapy. Unfortunately, adjacent normal tissues can concurrently undergo undesirable cell injury. Previous data of our laboratory demonstrated that exposure of developing rats to ionizing radiations induced a variety of behavioral differences respect to controls, including changes in associative memory and in anxiety state. However, there is a lack of data concerning modifications in different related pharmacological intermediaries. Therefore, the aim of the present study was to investigate whether the behavioral differences observed in young animals irradiated at birth might be underlain by early changes in PKCß1 levels which, in turn, could lead to changes in hippocampal GABAergic neurotransmission. Male Wistar rats were irradiated with 5 Gy of X rays between 24 and 48 h after birth. Different pharmacological markers related to the affected behavioral tasks were assessed in control and irradiated hippocampus at 15 and 30 days, namely GABAA receptor, GAD65–67, ROS and PKCß1. Results showed that all measured parameters were increased in the hippocampus of 30-days-old irradiated animals. In contrast, in the hippocampus of 15-days-old irradiated animals only the levels of PKCß1 were decreased. These data suggest that PKCß1 might constitute a primary target for neonatal radiation damage on the hippocampus. Therefore, it could be hypothesized that an initial decrease in the levels of this protein can trigger a subsequent compensatory increase that, in turn, could be responsible for the plethora of biochemical changes that might underlie the previously observed behavioral alterations.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Inc
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Learning
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Radiation
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Neurotransmission
dc.subject.classification
Bioquímica y Biología Molecular
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Medicina Básica
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CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
Pharmacological alterations that could underlie radiation-induced changes in associative memory and anxiety
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-10-03T18:23:26Z
dc.journal.volume
111
dc.journal.pagination
37-43
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Cáceres, Lucila Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Centro de Estudios Farmacológicos y Botánicos. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; Argentina
dc.description.fil
Fil: Cid, Mariana Paula. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Urán, Soledad Lucía. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Centro de Estudios Farmacológicos y Botánicos. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; Argentina
dc.description.fil
Fil: Zorrilla Zubilete, María Aurelia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Centro de Estudios Farmacológicos y Botánicos. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; Argentina
dc.description.fil
Fil: Salvatierra, Nancy Alicia. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Guelman, Laura Ruth. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Centro de Estudios Farmacológicos y Botánicos. Universidad de Buenos Aires. Facultad de Medicina. Centro de Estudios Farmacológicos y Botánicos; Argentina
dc.journal.title
Pharmacology Biochemistry and Behavior
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.pbb.2013.08.004
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0091305713001949
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