Abstract：
:Sensitization of motor activity is a behavioural test to evaluate the effects of psychostimulants. Conditioned place preference (CPP) is an associative learning procedure to examine the rewarding properties of drugs. We aimed to assess whether motor sensitization to drugs of abuse can make zebrafish more vulnerable to establishing drug-induced CPP. We first evaluated sensitization of locomotor activity of zebrafish to repeated administrations of nicotine and cocaine during 5 days and after 5 days of withdrawal. After withdrawal, when zebrafish were re-exposed to the same dose of nicotine or cocaine locomotor activity was increased by 103% and 166%, respectively. Different groups of zebrafish were sensitized to nicotine or cocaine and trained on a nicotine-CPP task the day after withdrawal. The nicotine dose selected for sensitization was not effective for developing CPP in naïve zebrafish whereas it elicited CPP in zebrafish that were previously sensitized to nicotine or cocaine. Levels of nicotinic acetylcholine receptor β2, α6 and α7 subunit, Pitx3, and tyrosine hydroxylase 1 (TH1) mRNAs were increased in the brain of nicotine- and cocaine-sensitized zebrafish. Nicotine-CPP performed with drug-sensitized zebrafish provoked further enhancements in the expression of α6 and α7 subunit, Pitx3, and TH1 mRNAs suggesting that the expression of these molecules in the reward pathway is involved in both processes. Our findings indicate that repeated exposures to low doses of drugs of abuse can increase subject's sensitivity to the rewarding properties of the same or different drugs. This further suggests that casual drug intake increases the probability of becoming addict.
journal_name
Prog Neuropsychopharmacol Biol Psychiatryauthors
Pisera-Fuster A,Rocco L,Faillace MP,Bernabeu Rdoi
10.1016/j.pnpbp.2019.02.018subject
Has Abstractpub_date
2019-06-08 00:00:00pages
457-469eissn
0278-5846issn
1878-4216pii
S0278-5846(18)30782-6journal_volume
92pub_type
杂志文章abstract：:Hypericum perforatum is a medicinal plant with established antidepressant properties. The aim of this meta-analysis was to compare the efficacy and tolerability of this antidepressant with selective serotonin reuptake inhibitors (SSRIs) as a group of standard antidepressants. For this purpose, Pubmed, Embase, Scopus, ...
journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章,meta分析
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abstract：:The sleep pattern and conditions at the time of awakening were investigated by means of polygraphy and tests in 6 healthy adult volunteers following administration of amineptine. The drug was found to increase the number and duration of the REM phases, without affecting the overall sleeping time but reducing sleep lat...
journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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abstract：:The present study sought to assess whether the blockade of ionotropic glutamate receptors in the ventral tegmental area (VTA) could modulate the morphine withdrawal in male Sprague-Dawley rats. The effects of dizocilpine (MK-801) or 6,7-dinitroquinnoxaline-2,3-dione (DNQX), ionotropic glutamate receptor antagonists, m...
journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章
doi：10.1016/j.pnpbp.2006.03.018
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章,随机对照试验
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章,多中心研究,随机对照试验
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章,评审
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 临床试验,杂志文章
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更新日期：2013-12-02 00:00:00
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journal_title：Progress in neuro-psychopharmacology & biological psychiatry
pub_type： 杂志文章,评审
doi：10.1016/j.pnpbp.2012.08.020
更新日期：2013-08-01 00:00:00
