Effects of acute and chronic administration of fluoxetine on the activity of serotonergic neurons in the dorsal raphe nucleus of the rat

JF Czachura, K Rasmussen - Naunyn-Schmiedeberg's archives of …, 2000 - Springer
The gradual recovery of activity of serotonergic neurons following an initial inhibition has
been hypothesized to play an important role in the delayed onset of efficacy of selective …

The novel 5-hydroxytryptamine1A antagonist LY426965: effects on nicotine withdrawal and interactions with fluoxetine

K Rasmussen, DO Calligaro, JF Czachura… - … of Pharmacology and …, 2000 - ASPET
LY426965 [(2S)-(+)-1-cyclohexyl-4-[4-(2-methoxyphenyl)-1-piperazinyl]2-methyl-2-phenyl-1-butanone
monohydrochloride] is a novel compound with high affinity for the cloned human 5…

The 5-HT3 receptor antagonist zatosetron decreases the number of spontaneously active A10 dopamine neurons

K Rasmussen, ME Stockton, JF Czachura - European journal of …, 1991 - Elsevier
Acute and chronic administration of low doses (eg 0.1, 0.3 mg/kg ip) of the selective 5-HT 3
antagonist zatosetron decreased the number of spontaneously active A 10 dopamine cells …

Nicotine withdrawal leads to increased sensitivity of serotonergic neurons to the 5-HT1A agonist 8-OH-DPAT

K Rasmussen, JF Czachura - Psychopharmacology, 1997 - Springer
In order to explore the neurophysiology of nicotine withdrawal, we examined the activity of
serotonergic neurons in the dorsal raphe nucleus in rats undergoing withdrawal from chronic …

[PDF][PDF] Electrophysiological effects of diphenylpyrazolidinone cholecystokinin-B and cholecystokinin-A antagonists on midbrain dopamine neurons.

K Rasmussen, JF Czachura, ME Stockton… - … of Pharmacology and …, 1993 - Citeseer
Electrophysiological Effects of Diphenylpyrazolidinone Cholecystokinin-B and
Cholecystokinin-A Antagonists on Midbrain Dopamine Page 1 VoL 264, No. 1 Printed in …

Nicotine withdrawal leads to increased firing rates of midbrain dopamine neurons

K Rasmussen, JF Czachura - Neuroreport, 1995 - journals.lww.com
In order to explore the neurophysiology of nicotine withdrawal, we examined the activity of
substantia nigra (A9) and ventral tegmental area (A10) dopamine cells in rats undergoing …

Central nervous system characterization of the new cholecystokininB antagonist LY288513

DR Helton, JE Berger, JF Czachura… - Pharmacology …, 1996 - Elsevier
The activity of LY288513, an investigational cholecystokinin (CCK) B antagonist, was evaluated
in a wide range of pharmacological tests in mice and rats. The anxiolytic benzodiazepine…

Cholecystokinin (CCK) and schizophrenia: the selective CCKB antagonist LY262691 decreases midbrain dopamine unit activity

K Rasmussen, ME Stockton, JF Czachura… - European journal of …, 1991 - Elsevier
Chronic administration of antipsychotic drugs has previously been shown to decrease the
number of spontaneously active midbrain dopamine cells. In an effort to evaluate CCK …

The CCK-B antagonist LY288513 blocks the effects of nicotine withdrawal on auditory startle

K Rasmussen, JF Czachura, MJ Kallman… - Neuroreport, 1996 - journals.lww.com
IN order to explore the potential clinical utility of CCK-B antagonists for the treatment of
nicotine withdrawal symptoms, the auditory startle reflex was examined in rats undergoing …

The novel atypical antipsychotic olanzapine, but not the CCK-B antagonist LY288513, blocks apomorphine-induced disruption of pre-pulse inhibition

K Rasmussen, MR Gates, JE Burger, JF Czachura - Neuroscience letters, 1997 - Elsevier
Pre-pulse inhibition (PPI) of the acoustic startle response is the diminution of the startle
response when the startle stimulus is preceded by a weaker, non-startle-eliciting stimulus. …