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  • Title: Systemic administration of 1R,4S-4-amino-cyclopent-2-ene-carboxylic acid, a reversible inhibitor of GABA transaminase, blocks expression of conditioned place preference to cocaine and nicotine in rats.
    Author: Ashby CR, Paul M, Gardner EL, Gerasimov MR, Dewey SL, Lennon IC, Taylor SJ.
    Journal: Synapse; 2002 May; 44(2):61-3. PubMed ID: 11891877.
    Abstract:
    We examined the effect of 1R,4S-4-amino-cyclopent-2-ene-carboxylic acid (ACC), a reversible inhibitor of GABA transaminase, on the expression of conditioned place preference response to cocaine and nicotine in rats. Cocaine (20 mg/kg i.p.) and nicotine (0.4 mg/kg s.c.), but not vehicle or 300 mg/kg i.p. of ACC, produced a significant conditioned place preference response. Pretreatment of animals with 300 and 75 mg/kg i.p. of ACC significantly attenuated the expression of the cocaine- and nicotine-induced conditioned place preference responses, respectively. These results are the first to suggest that reversible inhibition of GABA transaminase may be useful in blocking cue-induced relapse to nicotine and cocaine.
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