Pentobarbital anaesthesia prevents the adrenaline-releasing effect of the 5-HT1A receptor agonist, 8-hydroxy-2-(di-n-propylamino)tetralin
1990
Abstract Administration of the 5-HT 1A receptor agonist, 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH-DPAT; 0.25 mg/kg i.v.), to conscious rats increased plasma adrenaline and glucose levels for 30 and 60 min, respectively. Both 8-OH-DPAT-induced changes in plasma adrenaline and glucose levels were totally abolished in pentobarbital-anaesthetized rats. The present data indicate that pentobarbital anaesthesia, a procedure that is commonly used in pharmacological studies, prevents the release of adrenaline evoked by 5-HT 1A receptor activation.
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