5-HT1A-Receptor Subtype Mediates the Effect of Fluvoxamine, a Selective Serotonin Reuptake Inhibitor, on Marble-Burying Behavior in Mice
Year: 1995
Type: article
Abstract: The effect of fluvoxamine, a selective serotonin (5-HT) reuptake inhibitor, was studied in a model of anxiety and/or obsessive compulsive disorder (OCD) in mice. In the anxiety/OCD model, marble-burying behavior, marble-burying was significantly suppressed by fluvoxamine at 30 and 60 mg/kg, p.o. and the monoamine reuptake inhibitor clomipramine, at 60 mg/kg, p.o. No suppressive effect, however, was observed by the selective norepinephrine reuptake inhibitor desipramine at doses from 15 to 60 mg/kg, p.o. Suppressive effects were obtained by the serotonergic anxiolytic buspirone at 30 and 60 mg/kg, p.o. and the benzodiazepine anxiolytic diazepam at 10 mg/kg, p.o. The effect of fluvoxamine on marble-burying was slightly attenuated after repeated administration. On the other hand, both the effects of buspirone and diazepam completely disappeared after repeated administration. Effect of fluvoxamine on the marble-burying was unaffected by the 5-HT2 antagonist ritanserin. However, the 5-HT1A antagonist NAN-190 (1-(2-methoxyphenyl)-4-[4-(2-phthalimido)butyl] piperazine) inhibited the suppressive effect of fluvoxamine on the marble-burying. From these results, the 5-HT1A-receptor subtype may be involved in the suppressive effect of fluvoxamine on the marble-burying, but the 5-HT2-receptor subtype is not involved in this effect.
DOI: 10.1254/jjp.68.65
Authors: Yasuyuki Ichimaru, Takashi Egawa, Aiko Sawa
Institution: Meiji Seika Pharma Co., Ltd. (Japan)
Language: English
Subfield: Cellular and Molecular Neuroscience
Field: Neuroscience
Domain: Life Sciences
Open Access status: diamond
OpenAlex ID: W2071517122