P Budhram

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Compounds of different chemical classes, with affinity for central benzodiazepine receptors, were investigated for effects on handling-induced ultrasonic cries in rat pups. Diazepam and clobazam inhibited ultrasounds and impaired motor performance at higher doses. Suriclone showed a similar profile to diazepam but premazepam clearly separated ultrasound(More)
Rats were trained to discriminate the low-efficacy benzodiazepine receptor inverse agonist RU 33965 from vehicle in a two-lever discrimination task on a fixed ratio (FR) 20 schedule. Consistent discrimination was obtained at 0.5 mg/kg PO RU 33965. Both leptazol and stronger inverse agonists (FG7142, S-135, RU 34000) substituted for the cue. The weak inverse(More)
The effects of the imidazobenzodiazepine Ro 15-4513 in combination with three CNS depressants (ethanol, benzodiazepine agonists and pentobarbital) were examined in three different experiments. Full antagonism of classical benzodiazepines by Ro 15-4513 was seen in all three situations. Partial antagonism of ethanol occurred in the pull up test of muscle(More)
Five members of a novel series of quinoline derivatives which all have similar activities on benzodiazepine receptor binding in vitro were compared in a food-motivated conflict and stress-induced ultrasounds models of anxiety and on suprahyoid muscle twitching in urethane-anaesthetised rats. RU 42382, RU 43028 and RU 39419 showed anxiolytic activity in both(More)
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