Chronic treatment with the beta-carboline inverse agonist FG 7142 (25 mg/kg i.p. twice a day for 15 consecutive days) enhances in rats the effects of proconvulsant and convulsant beta-carbolines and of the inverse agonist Ro 15-4513 whilst leaving unchanged the response to the benzodiazepine receptor antagonists. Moreover, the same treatment reduces the sedative and the anticonvulsant effects of diazepam. These results are consistent with the view that chronic treatment with FG 7142 may produce a decrease in the pharmacological effects of benzodiazepines, whilst inducing sensitization to the convulsant effect of inverse agonists.
Decreased sensitivity to diazepam induced by chronic administration of FG 7142
LONGONI, BIANCAMARIA;
1988-01-01
Abstract
Chronic treatment with the beta-carboline inverse agonist FG 7142 (25 mg/kg i.p. twice a day for 15 consecutive days) enhances in rats the effects of proconvulsant and convulsant beta-carbolines and of the inverse agonist Ro 15-4513 whilst leaving unchanged the response to the benzodiazepine receptor antagonists. Moreover, the same treatment reduces the sedative and the anticonvulsant effects of diazepam. These results are consistent with the view that chronic treatment with FG 7142 may produce a decrease in the pharmacological effects of benzodiazepines, whilst inducing sensitization to the convulsant effect of inverse agonists.File in questo prodotto:
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