Abstract:
:Behavior sensitization is a long-lasting enhancement of locomotor activity after exposure to psychostimulants. Incubation of sensitization is a phenomenon of remarkable augmentation of locomotor response after withdrawal and reflects certain aspects of compulsive drug craving. However, the mechanisms underlying these phenomena remain elusive. Here we pay special attention to the incubation of sensitization and suppose that the intervention of this procedure will finally decrease the expression of sensitization. Melatonin is an endogenous hormone secreted mainly by the pineal gland. It is effective in treating sleep disorder, which turns out to be one of the major withdrawal symptoms of methamphetamine (MA) addiction. Furthermore, melatonin can also protect neuronal cells against MA-induced neurotoxicity. In the present experiment, we treated mice with low dose (10mg/kg) of melatonin for 14 consecutive days during the incubation of sensitization. We found that melatonin significantly attenuated the expression of sensitization. In contrast, the vehicle treated mice showed prominent enhancement of locomotor activity after incubation. MeCP2 expression was also elevated in the vehicle treated mice and melatonin attenuated its expression. Surprisingly, correlation analysis suggested significant correlation between MeCP2 expression in the nucleus accumbens (NAc) and locomotion in both saline control and vehicle treated mice, but not in melatonin treated ones. MA also induced MeCP2 over-expression in PC12 cells. However, melatonin failed to reduce MeCP2 expression in vitro. Our results suggest that melatonin treatment during the incubation of sensitization attenuates MA-induced expression of sensitization and decreases MeCP2 expression in vivo.
journal_name
Prog Neuropsychopharmacol Biol Psychiatryauthors
Wu J,Zhu D,Zhang J,Li G,Liu Z,Sun Jdoi
10.1016/j.pnpbp.2015.09.008subject
Has Abstractpub_date
2016-02-04 00:00:00pages
145-52eissn
0278-5846issn
1878-4216pii
S0278-5846(15)30044-0journal_volume
65pub_type
杂志文章abstract::Even though 85% of adults drink caffeinated beverages daily, very limited studies on plasma caffeine concentration in the US population have been published. Smoking induces cytochrome P450 1A2 (CYP1A2), which is the main enzyme involved in caffeine metabolism. The current naturalistic pilot study explores plasma caffe...
journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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doi:10.1016/s0278-5846(02)00348-2
更新日期:2003-02-01 00:00:00
abstract:BACKGROUND:Several studies have found that depressed, post-menopausal females may respond differently to antidepressants compared to pre-menopausal females. The atypical antipsychotic lurasidone, whose mechanism of action differs from SSRIs and other standard antidepressants, was shown in a 6-week randomized, flexible-...
journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.pnpbp.2017.05.002
更新日期:2017-08-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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doi:10.1016/s0278-5846(98)00097-9
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/s0278-5846(02)00241-5
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abstract:BACKGROUND:Cannabis is one of the most widely-used drugs in industrialized countries. It is now well established that cannabis use impacts neurocognition. In the intoxication period time episodic memory, working memory and attention are impacted and impulsivity is increased. The long-term effects of cannabis use tend t...
journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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doi:10.1016/0278-5846(86)90073-4
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abstract::1. The patient population consisting of fifteen patients was divided into three groups, namely: diazepam group, phenobarbital group and placebo group. After three weeks the medicated groups were switched to placebo for a week and the placebo group was given phenobarbital. 2. The parameters to be assessed once a week c...
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:1982-01-01 00:00:00
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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
pub_type: 杂志文章,评审
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更新日期:2015-07-03 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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doi:10.1016/j.pnpbp.2018.01.026
更新日期:2018-06-08 00:00:00
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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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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,评审
doi:10.1016/0278-5846(87)90015-7
更新日期:1987-01-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2006.12.025
更新日期:2007-05-09 00:00:00
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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: 临床试验,杂志文章
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更新日期:2010-12-01 00:00:00
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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:10.1016/0278-5846(87)90067-4
更新日期:1987-01-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
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更新日期:2010-03-17 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2007.09.024
更新日期:2008-04-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2009.12.003
更新日期:2010-03-17 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,评审
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更新日期:1997-04-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2009.08.002
更新日期:2009-11-13 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2019.109661
更新日期:2019-08-30 00:00:00