Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus
- Autores
- Guevara, Manuel Alejandro; Romanowicz, Esteban Alejandro; García Menéndez, Sebastián Marcelo Manuel; Lafuente, José Vicente; Baiardi, Gustavo Carlos; Gargiulo, Pascual Angel
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- documento de conferencia
- Estado
- versión publicada
- Descripción
- Psychotogenic effects of ketamine, due to antagonism of NMDA (N-methyl-D-aspartic acid) glutamate receptors, are widely known, and they are subject of study in our laboratory. In the present study we searched for the effect of systemic administration of ketamine at low doses in the novel object recognition test. Holtzman derived colony rats weighing 240-290 g were used. Novel object recognition test involves variables related to memory and perception. We used an intraperitoneal administration of ketamine in sub-anesthetic doses (1.25, 2.5 and 5 mg / kg ip) 3 min before training. Test was realized 120 min after training. Additionally, groups of five rats treated with saline or different sub-anesthetic doses were paired for measurement of hippocampus metabolic activity 8 min after injection. It was evaluated using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) through spectrophotometric wavelength measurement. We observed that treatment produced a significant increase in total scan time in the evaluation session (p <0.05) at all doses. It also led to a significant decrease in the discrimination rate (p <0.001) at doses of 2.5 and 5 mg/kg. These findings allow us to postulate that treatment induced an inhibitory effect on short-term memory. Metabolic activity showed an evident and significant decrease in hippocampus (1.25 mg/kg; 2.5 mg/kg, p<0.001). We conclude that systemically administered ketamine in low doses produces inhibitory effect on short-term memory. These behavioral findings are accompanied by a decrease in metabolic activity in the hippocampus.
Fil: Guevara, Manuel Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;
Fil: Romanowicz, Esteban Alejandro. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;
Fil: García Menéndez, Sebastián Marcelo Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Medicina y Biología Experimental de Cuyo; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;
Fil: Lafuente, José Vicente. Universidad del País Vasco; España
Fil: Baiardi, Gustavo Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;
Fil: Gargiulo, Pascual Angel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;
XXXVI Reunión Anual de la Sociedad de Biología de Cuyo
Mendoza
Argentina
Sociedad de Biología de Cuyo. - Materia
-
KETAMINE
MEMORY
HIPPOCAMPUS
RAT - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/241033
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Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampusGuevara, Manuel AlejandroRomanowicz, Esteban AlejandroGarcía Menéndez, Sebastián Marcelo ManuelLafuente, José VicenteBaiardi, Gustavo CarlosGargiulo, Pascual AngelKETAMINEMEMORYHIPPOCAMPUSRAThttps://purl.org/becyt/ford/3.1https://purl.org/becyt/ford/3Psychotogenic effects of ketamine, due to antagonism of NMDA (N-methyl-D-aspartic acid) glutamate receptors, are widely known, and they are subject of study in our laboratory. In the present study we searched for the effect of systemic administration of ketamine at low doses in the novel object recognition test. Holtzman derived colony rats weighing 240-290 g were used. Novel object recognition test involves variables related to memory and perception. We used an intraperitoneal administration of ketamine in sub-anesthetic doses (1.25, 2.5 and 5 mg / kg ip) 3 min before training. Test was realized 120 min after training. Additionally, groups of five rats treated with saline or different sub-anesthetic doses were paired for measurement of hippocampus metabolic activity 8 min after injection. It was evaluated using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) through spectrophotometric wavelength measurement. We observed that treatment produced a significant increase in total scan time in the evaluation session (p <0.05) at all doses. It also led to a significant decrease in the discrimination rate (p <0.001) at doses of 2.5 and 5 mg/kg. These findings allow us to postulate that treatment induced an inhibitory effect on short-term memory. Metabolic activity showed an evident and significant decrease in hippocampus (1.25 mg/kg; 2.5 mg/kg, p<0.001). We conclude that systemically administered ketamine in low doses produces inhibitory effect on short-term memory. These behavioral findings are accompanied by a decrease in metabolic activity in the hippocampus.Fil: Guevara, Manuel Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;Fil: Romanowicz, Esteban Alejandro. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;Fil: García Menéndez, Sebastián Marcelo Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Medicina y Biología Experimental de Cuyo; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;Fil: Lafuente, José Vicente. Universidad del País Vasco; EspañaFil: Baiardi, Gustavo Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;Fil: Gargiulo, Pascual Angel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo;XXXVI Reunión Anual de la Sociedad de Biología de CuyoMendozaArgentinaSociedad de Biología de Cuyo.Tech Science Press2019info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectReuniónJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/241033Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus; XXXVI Reunión Anual de la Sociedad de Biología de Cuyo; Mendoza; Argentina; 2018; 71-710327-95451667-5746CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://sbcuyo.org.ar/wp-content/uploads/2019/08/Biocell-2018.pdfNacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:17:47Zoai:ri.conicet.gov.ar:11336/241033instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:17:47.308CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
title |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
spellingShingle |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus Guevara, Manuel Alejandro KETAMINE MEMORY HIPPOCAMPUS RAT |
title_short |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
title_full |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
title_fullStr |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
title_full_unstemmed |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
title_sort |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus |
dc.creator.none.fl_str_mv |
Guevara, Manuel Alejandro Romanowicz, Esteban Alejandro García Menéndez, Sebastián Marcelo Manuel Lafuente, José Vicente Baiardi, Gustavo Carlos Gargiulo, Pascual Angel |
author |
Guevara, Manuel Alejandro |
author_facet |
Guevara, Manuel Alejandro Romanowicz, Esteban Alejandro García Menéndez, Sebastián Marcelo Manuel Lafuente, José Vicente Baiardi, Gustavo Carlos Gargiulo, Pascual Angel |
author_role |
author |
author2 |
Romanowicz, Esteban Alejandro García Menéndez, Sebastián Marcelo Manuel Lafuente, José Vicente Baiardi, Gustavo Carlos Gargiulo, Pascual Angel |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
KETAMINE MEMORY HIPPOCAMPUS RAT |
topic |
KETAMINE MEMORY HIPPOCAMPUS RAT |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.1 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
Psychotogenic effects of ketamine, due to antagonism of NMDA (N-methyl-D-aspartic acid) glutamate receptors, are widely known, and they are subject of study in our laboratory. In the present study we searched for the effect of systemic administration of ketamine at low doses in the novel object recognition test. Holtzman derived colony rats weighing 240-290 g were used. Novel object recognition test involves variables related to memory and perception. We used an intraperitoneal administration of ketamine in sub-anesthetic doses (1.25, 2.5 and 5 mg / kg ip) 3 min before training. Test was realized 120 min after training. Additionally, groups of five rats treated with saline or different sub-anesthetic doses were paired for measurement of hippocampus metabolic activity 8 min after injection. It was evaluated using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) through spectrophotometric wavelength measurement. We observed that treatment produced a significant increase in total scan time in the evaluation session (p <0.05) at all doses. It also led to a significant decrease in the discrimination rate (p <0.001) at doses of 2.5 and 5 mg/kg. These findings allow us to postulate that treatment induced an inhibitory effect on short-term memory. Metabolic activity showed an evident and significant decrease in hippocampus (1.25 mg/kg; 2.5 mg/kg, p<0.001). We conclude that systemically administered ketamine in low doses produces inhibitory effect on short-term memory. These behavioral findings are accompanied by a decrease in metabolic activity in the hippocampus. Fil: Guevara, Manuel Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo; Fil: Romanowicz, Esteban Alejandro. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo; Fil: García Menéndez, Sebastián Marcelo Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Medicina y Biología Experimental de Cuyo; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo; Fil: Lafuente, José Vicente. Universidad del País Vasco; España Fil: Baiardi, Gustavo Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo; Fil: Gargiulo, Pascual Angel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Laboratorio de Neurociencias y Psicologia Experimental ; Facultad de Ciencias Medicas ; Universidad Nacional de Cuyo; XXXVI Reunión Anual de la Sociedad de Biología de Cuyo Mendoza Argentina Sociedad de Biología de Cuyo. |
description |
Psychotogenic effects of ketamine, due to antagonism of NMDA (N-methyl-D-aspartic acid) glutamate receptors, are widely known, and they are subject of study in our laboratory. In the present study we searched for the effect of systemic administration of ketamine at low doses in the novel object recognition test. Holtzman derived colony rats weighing 240-290 g were used. Novel object recognition test involves variables related to memory and perception. We used an intraperitoneal administration of ketamine in sub-anesthetic doses (1.25, 2.5 and 5 mg / kg ip) 3 min before training. Test was realized 120 min after training. Additionally, groups of five rats treated with saline or different sub-anesthetic doses were paired for measurement of hippocampus metabolic activity 8 min after injection. It was evaluated using MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) through spectrophotometric wavelength measurement. We observed that treatment produced a significant increase in total scan time in the evaluation session (p <0.05) at all doses. It also led to a significant decrease in the discrimination rate (p <0.001) at doses of 2.5 and 5 mg/kg. These findings allow us to postulate that treatment induced an inhibitory effect on short-term memory. Metabolic activity showed an evident and significant decrease in hippocampus (1.25 mg/kg; 2.5 mg/kg, p<0.001). We conclude that systemically administered ketamine in low doses produces inhibitory effect on short-term memory. These behavioral findings are accompanied by a decrease in metabolic activity in the hippocampus. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/conferenceObject Reunión Journal http://purl.org/coar/resource_type/c_5794 info:ar-repo/semantics/documentoDeConferencia |
status_str |
publishedVersion |
format |
conferenceObject |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/241033 Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus; XXXVI Reunión Anual de la Sociedad de Biología de Cuyo; Mendoza; Argentina; 2018; 71-71 0327-9545 1667-5746 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/241033 |
identifier_str_mv |
Action of Ketamine on acquisition in the novel object recognition test and the metabolic activity in hippocampus; XXXVI Reunión Anual de la Sociedad de Biología de Cuyo; Mendoza; Argentina; 2018; 71-71 0327-9545 1667-5746 CONICET Digital CONICET |
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eng |
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eng |
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Nacional |
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Tech Science Press |
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Tech Science Press |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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