The striatal adenosinergic modulation of ethanol-induced motor incoordination in rats: possible role of chloride flux

Brain Research
Z H MengM S Dar

Abstract

Previous studies from our laboratory have provided strong evidence that brain adenosine modulates acute ethanol (i.p.)-induced motor incoordination (MI) through receptor mediated mechanism(s). Recently, we have reported the involvement of the striatum in ethanol-induced MI as well as the striatal adenosinergic modulation of the ethanol-induced motor deficit. The present study was thus designed to further characterize the modulatory effect of striatal adenosine on ethanol-induced MI and to look for its functional correlation with chloride flux within the rat striatum. Intrastriatal microinfusion of adenosine A1 receptor agonist N6-cyclohexyladenosine (CHA) and antagonist 8-cyclopentyl-1,3-dipropylxanthine (DPCPX), significantly accentuated and attenuated, respectively, the motor incoordinating effect of ethanol while having no effect on the normal motor coordination in saline-treated control animals. These data confirmed the role of striatal adenosine in ethanol-induced MI. The selectivity of interactions between adenosine A1 agonist and antagonist and ethanol was further confirmed by the study in which neither intrastriatal CHA nor DPCPX significantly altered the MI induced by sodium pentobarbital. Previously, we have shown tha...Continue Reading

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Citations

Sep 1, 2011·Journal of Caffeine Research·Sergi Ferré, Mary Claire O'Brien
Jan 13, 2011·Alcoholism, Clinical and Experimental Research·Liana AsatryanDoo-Sup Choi
Aug 20, 2004·Alcoholism, Clinical and Experimental Research·Rahul T KhistiA Leslie Morrow
May 23, 2007·The International Journal of Neuropsychopharmacology·Cameron L AdamsAndrew J Lawrence

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