5‐HT depletion, but not 5‐HT1A antagonist, prevents the anxiolytic‐like effect of citalopram in rat contextual conditioned fear stress model
T Masuda, H Nishikawa, T Inoue, H Toda… - Acta …, 2013 - cambridge.org
ObjectiveSelective serotonin reuptake inhibitors (SSRIs) have been widely used in the
treatment of most anxiety disorders. In this study, to clarify the mechanism of the anxiolytic …
treatment of most anxiety disorders. In this study, to clarify the mechanism of the anxiolytic …
Effect of co-administration of the selective 5-HT1A receptor antagonist WAY 100,635 and selective 5-HT1B/1D receptor antagonist GR 127,935 on anxiolytic effect of …
I Muraki, T Inoue, T Koyama - European journal of pharmacology, 2008 - Elsevier
This study investigated the effect of co-administration of the selective 5-HT1A receptor
antagonist WAY 100,635 and selective 5-HT1B/1D receptor antagonist GR 127,935 with a …
antagonist WAY 100,635 and selective 5-HT1B/1D receptor antagonist GR 127,935 with a …
Effects of the co-administration of 5-HT1A receptor antagonists with an SSRI in conditioned fear stress-induced freezing behavior
S Hashimoto, T Inoue, T Koyama - Pharmacology Biochemistry and …, 1997 - Elsevier
The effects of the co-administration of the serotonin (5-HT) 1A receptor antagonists NAN-190
or (+)-WAY100135 with a selective 5-HT reuptake inhibitor (SSRI) citalopram on conditioned …
or (+)-WAY100135 with a selective 5-HT reuptake inhibitor (SSRI) citalopram on conditioned …
Synergistic effects of tandospirone and selective serotonin reuptake inhibitors on the contextual conditioned fear stress response in rats
H Nishikawa, T Inoue, T Izumi, T Koyama - European …, 2007 - Elsevier
The purpose of this study was to investigate the effects of co-administration of tandospirone
(a 5-HT1A receptor agonist) and individual selective serotonin reuptake inhibitors (SSRIs) …
(a 5-HT1A receptor agonist) and individual selective serotonin reuptake inhibitors (SSRIs) …
A Complex Impact of Systemically Administered 5-HT2A Receptor Ligands on Conditioned Fear
SM Hagsäter, R Pettersson, C Pettersson… - International Journal …, 2021 - academic.oup.com
Background Though drugs binding to serotonergic 5-HT2A receptors have long been
claimed to influence human anxiety, it remains unclear if this receptor subtype is best …
claimed to influence human anxiety, it remains unclear if this receptor subtype is best …
Serotonergic activation reduces defensive freezing in the conditioned fear paradigm
T Inoue, K Tsuchiya, T Koyama - Pharmacology Biochemistry and Behavior, 1996 - Elsevier
Our previous study showed that conditioned fear stress (CFS) increased serotonin (5-HT)
metabolism in the medial prefrontal cortex and induced freezing behavior. Although these …
metabolism in the medial prefrontal cortex and induced freezing behavior. Although these …
Activation of the serotonin 5-HT2C receptor is involved in the enhanced anxiety in rats after single-prolonged stress
K Harada, T Yamaji, N Matsuoka - Pharmacology Biochemistry and …, 2008 - Elsevier
We have recently confirmed that exposure of rats to the single-prolonged stress (SPS)
paradigm induces enhanced hypothalamic–pituitary–adrenal (HPA) axis negative feedback …
paradigm induces enhanced hypothalamic–pituitary–adrenal (HPA) axis negative feedback …
Effects of acute citalopram on the expression of conditioned freezing in naive versus chronic citalopram-treated rats
S Hashimoto, T Inoue, I Muraki, T Koyama - Progress in Neuro …, 2009 - Elsevier
An acute challenge with selective serotonin (5-HT) reuptake inhibitors (SSRIs) reduces the
conditioned freezing in rats, a model of anxiety. The increase in the 5-HT levels in the nerve …
conditioned freezing in rats, a model of anxiety. The increase in the 5-HT levels in the nerve …
Serotonin reuptake inhibitors reduce conditioned fear stress-induced freezing behavior in rats
S Hashimoto, T Inoue, T Koyama - Psychopharmacology, 1996 - Springer
Conditioned fear stress (CFS)-induced freezing behavior has been proposed as an animal
model of anxiety. In the present study, freezing was used to determine the anxiolytic activity …
model of anxiety. In the present study, freezing was used to determine the anxiolytic activity …
Target brain sites of the anxiolytic effect of citalopram, a selective serotonin reuptake inhibitor
T Izumi, T Inoue, Y Kitaichi, S Nakagawa… - European journal of …, 2006 - Elsevier
The purpose of the present study was to elucidate the brain regions in which citalopram, a
selective serotonin reuptake inhibitor (SSRI), exerts its anxiolytic effects in conditioned fear …
selective serotonin reuptake inhibitor (SSRI), exerts its anxiolytic effects in conditioned fear …