Influence of beta-adrenoceptor agonists and antagonists on baclofen-induced memory impairment in mice

Behavioural Pharmacology
M R ZarrindastB Djahanguiri

Abstract

Post-training administration of different doses of baclofen (a GABAB agonist) has been shown to impair memory retention, in a step-down passive avoidance test in mice. We have studied the effects of beta-adrenergic agonists and antagonists on baclofen-induced memory impairment in mice. Dobutamine (a beta 1-agonist) or salbutamol (a beta 2-agonist) reversed the memory impairment induced by baclofen without exhibiting intrinsic actions on memory when administered alone. The administration of atenolol (a beta 1-antagonist) or propranolol (a beta-antagonist) produced a memory impairment. When co-administered with baclofen, both atenolol and propranolol exacerbated the memory impairment induced by the GABAB agonist. It is concluded that beta-adrenergic mechanisms may be involved in the modulation of memory via GABAB receptors.

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Citations

Nov 30, 2012·Advances in Pharmacological Sciences·Dinesh Dhingra, Varun Kumar
Jan 6, 2011·The International Journal of Neuropsychopharmacology·Jodi E Gresack, Victoria B Risbrough
May 1, 2015·Journal of Neurophysiology·Gordon F BuchananGeorge B Richerson
Jul 21, 2012·Pharmacological Reports : PR·Halina Car, Piotr Michaluk

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