A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats

BACKGROUND: It has been proposed that the γ-aminobutyric acid (GABA) plays a key role in the regulation of food intake and body weight by controlling the excitability, plasticity and the synchronization of neuronal activity in the frontal cortex (FC). It has been also proposed that the high...

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Autores principales: Sandoval-Salazar,Cuauhtemoc, Ramírez-Emiliano,Joel, Trejo-Bahena,Aurora, Oviedo-Solís,Cecilia I., Solís-Ortiz,Martha Silvia
Lenguaje:English
Publicado: Sociedad de Biología de Chile 2016
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100015
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spelling oai:scielo:S0716-976020160001000152016-12-01A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of ratsSandoval-Salazar,CuauhtemocRamírez-Emiliano,JoelTrejo-Bahena,AuroraOviedo-Solís,Cecilia I.Solís-Ortiz,Martha Silvia Obesity GABA Frontal cortex Hippocampus High-fat diet BACKGROUND: It has been proposed that the γ-aminobutyric acid (GABA) plays a key role in the regulation of food intake and body weight by controlling the excitability, plasticity and the synchronization of neuronal activity in the frontal cortex (FC). It has been also proposed that the high-fat diet (HFD) could disturb the metabolism of glutamate and consequently the GABA levels, but the mechanism is not yet clearly understood. Therefore, the aim of this study was to investigate the effect of a HFD on the GABA levels in the FC and hippocampus of rats RESULTS: The HFD significantly increased weight gain and blood glucose levels, whereas decreased the GABA levels in the FC and hippocampus compared with standard diet-fed rats CONCLUSIONS: HFD decreases GABA levels in the FC and hippocampus of rat, which likely disrupts the GABAergic inhibitory processes, underlying feeding behavior.info:eu-repo/semantics/openAccessSociedad de Biología de ChileBiological Research v.49 20162016-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100015en10.1186/s40659-016-0075-6
institution Scielo Chile
collection Scielo Chile
language English
topic Obesity
GABA
Frontal cortex
Hippocampus
High-fat diet
spellingShingle Obesity
GABA
Frontal cortex
Hippocampus
High-fat diet
Sandoval-Salazar,Cuauhtemoc
Ramírez-Emiliano,Joel
Trejo-Bahena,Aurora
Oviedo-Solís,Cecilia I.
Solís-Ortiz,Martha Silvia
A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats
description BACKGROUND: It has been proposed that the γ-aminobutyric acid (GABA) plays a key role in the regulation of food intake and body weight by controlling the excitability, plasticity and the synchronization of neuronal activity in the frontal cortex (FC). It has been also proposed that the high-fat diet (HFD) could disturb the metabolism of glutamate and consequently the GABA levels, but the mechanism is not yet clearly understood. Therefore, the aim of this study was to investigate the effect of a HFD on the GABA levels in the FC and hippocampus of rats RESULTS: The HFD significantly increased weight gain and blood glucose levels, whereas decreased the GABA levels in the FC and hippocampus compared with standard diet-fed rats CONCLUSIONS: HFD decreases GABA levels in the FC and hippocampus of rat, which likely disrupts the GABAergic inhibitory processes, underlying feeding behavior.
author Sandoval-Salazar,Cuauhtemoc
Ramírez-Emiliano,Joel
Trejo-Bahena,Aurora
Oviedo-Solís,Cecilia I.
Solís-Ortiz,Martha Silvia
author_facet Sandoval-Salazar,Cuauhtemoc
Ramírez-Emiliano,Joel
Trejo-Bahena,Aurora
Oviedo-Solís,Cecilia I.
Solís-Ortiz,Martha Silvia
author_sort Sandoval-Salazar,Cuauhtemoc
title A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats
title_short A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats
title_full A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats
title_fullStr A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats
title_full_unstemmed A high-fat diet decreases GABA concentration in the frontal cortex and hippocampus of rats
title_sort high-fat diet decreases gaba concentration in the frontal cortex and hippocampus of rats
publisher Sociedad de Biología de Chile
publishDate 2016
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602016000100015
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