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The aim of the present study was to evaluate the effect of DAU 6215 (N-(endo-8-methyl-8-azabicyclo[3.2.1]oct-3-yl)-2, 3-dihydro-2-oxo-1H-benzimidazol-1-carboxamide, hydrochloride), which is a 5HT-3 receptor antagonist, chemically different from the other 5HT-3 antagonists, on a wide variety of animal models sensitive to anxiolytics. Nine animal models were(More)
BIMT 17 (1-[2-[4-(3-trifluoromethyl phenyl) piperazin-1-yl] ethyl] benzimidazol- [1H]-2-one), a 5-HT1A receptor agonist/5-HT2A receptor antagonist (see Borsini et al., accompanying paper), in a dose range of 1-10 mg/kg i.v., dose-dependently inhibited the electrical activity of rat medial prefronto-cortical neurons, whereas buspirone, in a dose range of(More)
In the search for antidepressant agents with a rapid onset of action, we have found that compound BIMT 17 (1-[2-[4-(3-trifluoromethylphenyl)piperazin-1- yl]ethyl]benzimidazol-[1H]-2-one) shows a good affinity for cerebral cortical 5-HT1A (pKi = 7.72) and 5-HT2A (pKi = 6.90) receptors, with no appreciable affinity for the other 5-HT receptor subtypes,(More)
The muscarinic receptors responsible for two effects elicited by McN-A-343, i.e. the relaxation of the rat duodenum and the inhibition of the twitch contraction of rabbit vas deferens, were investigated by use of derivatives of 4-diphenyl acetoxy-N-methyl piperidine methobromide (4-DAMP). Both receptors had been previously identified as M1 on the basis of(More)
Guanylpirenzepine, a polar, non-quaternary analog of pirenzepine, exhibited a novel binding behavior in rat brain regions: in competition binding experiments against [3H]pirenzepine labeling the M1 receptor in membranes from cerebral cortex, hippocampus and striatum, the compound, differently from pirenzepine, displayed heterogeneous binding curves.(More)
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