Abstract:
:Drug addiction is a chronic disorder characterized by a relatively high rate of relapse even after long period of abstinence. In the present study, we used the conditioned place preference (CPP) paradigm to investigate the establishment, extinction, reinstatement and cross-reinstatement of nicotine-induced place conditioning in rats. Nicotine produced a place preference to the initially less-preferred compartment paired with its injections during conditioning (0.5mg/kg, i.p., three drug sessions). Once established, nicotine CPP was extinguished by repeated testing. Following this extinction phase, the reinstatement of CPP was investigated. Nicotine-experienced rats were challenged with nicotine (0.5mg/kg, i.p.) or morphine (10mg/kg, i.p.). These priming injections of both drugs induced a marked preference for the compartment previously paired with nicotine. Furthermore, the objective of the present study was to evaluate the efficacy of CB1 cannabinoid receptor antagonist rimonabant (0.5, 1 and 2mg/kg, i.p.) in blocking the reinstatement of nicotine-induced CPP provoked by nicotine and morphine. It was shown that rimonabant attenuated the reinstatement of nicotine-conditioned response induced by both drugs. The outcome of our studies may suggest that CB1 receptor antagonists may become a promising target for effective pharmacotherapy of tobacco addiction and polydrug abuse.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Biala G,Budzynska B,Staniak Ndoi
10.1016/j.bbr.2009.03.042subject
Has Abstractpub_date
2009-09-14 00:00:00pages
260-5issue
2eissn
0166-4328issn
1872-7549pii
S0166-4328(09)00216-2journal_volume
202pub_type
杂志文章abstract::We have previously demonstrated that kindling of the nucleus accumbens (NAc) induced psychosis relevant behaviors only after one, but not after five, stage-5 seizures, suggesting that five stage-5 NAc-evoked seizures antagonized psychosis relevant behaviors in rats. We hypothesized that brain opioid receptors are resp...
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journal_title:Behavioural brain research
pub_type: 临床试验,杂志文章
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journal_title:Behavioural brain research
pub_type: 杂志文章
doi:10.1016/0166-4328(90)90088-v
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
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pub_type: 杂志文章
doi:10.1016/j.bbr.2014.07.032
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journal_title:Behavioural brain research
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journal_title:Behavioural brain research
pub_type: 杂志文章
doi:10.1016/j.bbr.2011.04.040
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journal_title:Behavioural brain research
pub_type: 杂志文章
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pub_type: 杂志文章
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abstract::Serotonin (5-HT) and testosterone (T) have both been implicated in the regulation of aggression. Findings in humans however are very inconclusive, with respect to main effects of either system. Animal models implicate T to modulate 5-HT system activity, and furthermore have shown behaviorally relevant interactions of ...
journal_title:Behavioural brain research
pub_type: 杂志文章
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