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Titolo: Cannabinoid CB1 receptor agonists increase rat cortical and hippocampal acetylcholine release in vivo
Autori: 
Data di pubblicazione: 2000
Rivista: 
EUROPEAN JOURNAL OF PHARMACOLOGY  
Abstract: Intravenous administration of the cannabinoid CB, receptor agonists (R-(+)-[2,3-Dihydro-5-methyl-3[morpholinyl)me pyrrolo[1,2,3-de]-1,4-benzoxazinyl]-(1-naphthalenyl)methanone mesylate), WIN 55,212-2 (10, 37.5, 75 and 150 mu g/kg), and ((6aR)trans-3-(1, 1-Dimethylheptyl)-6a,7,10,10a-tetrahydro-1-hydroxy-6,6-dimethyl-6H-dibenzo[b,d]pyran-9-methanol), HU 210 (1 and 4 mu g/kg) dose-dependently increased acetylcholine release in dialysates from the prefrontal cortex and the hippocampus of freely moving rats. Administration of the cannabinoid receptor antagonist {N-(piperidin-1-yl)-5-(4-chlorophenyl)-1-(2,3-dichlorophenyl)-3-methyl-1H-pyrazole-3carboxamide}HCl, SR 141716A, at a dose that per se did not affect basal acetylcholine release (2.5 mu g/kg), prevented the increase of acetylcholine release by WIN 55,212-2 (150 mu g/kg i.v.) or by HU 210 (4 mu g/kg i.v.) in both areas. These data demonstrate that, at low i.v. doses, the synthetic cannabinoid CB1 receptor agonists, WIN 55,212-2 and HU 210 stimulate cortical and hippocampal acetylcholine release.
Handle: http://hdl.handle.net/11584/103987
Tipologia:1.1 Articolo in rivista

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