Catalepsy induced by the 5-HT(1A) receptor antagonist WAY 100635 in rats pretreated with the selective serotonin reuptake inhibitor citalopram.
Neither a high dose of the selective serotonin reuptake inhibitor citalopram (100 micromol kg(-1) s.c.), nor the 5-HT(1A) receptor antagonist N-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-N-(2-pyridinyl) cyclohexane carboxamide 3HCl (WAY 100635) (0.1--0.4 micromol kg(-1) s.c.) produced any evidence of catalepsy in adult male rats. When combined with citalopram, however, WAY 100635 produced a dose-dependent, and statistically significant, catalepsy in the inclined grid test.
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Department of Physiology and Pharmacology, Karolinska Institute, SE-171 77, Stockholm, Sweden.
Svensson
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Ahlenius
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D000818:Animals; D002375:Catalepsy / Q000139:chemically induced*; D015283:Citalopram / Q000494:pharmacology*; D004347:Drug Interactions; D008297:Male; D010879:Piperazines / Q000494:pharmacology*; D011725:Pyridines / Q000494:pharmacology*; D051381:Rats; D017208:Rats, Wistar; D011985:Receptors, Serotonin / Q000187:drug effects*; D044263:Receptors, Serotonin, 5-HT1; D012702:Serotonin Antagonists / Q000494:pharmacology*; D017367:Selective Serotonin Reuptake Inhibitors / Q000494:pharmacology*
D015283:Citalopram; D010879:Piperazines; D011725:Pyridines; D011985:Receptors, Serotonin; D044263:Receptors, Serotonin, 5-HT1; D012702:Serotonin Antagonists; D017367:Selective Serotonin Reuptake Inhibitors; C090413:N-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-N-(2-pyridinyl)cyclohexanecarboxamide