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首页> 外文期刊>The British journal of psychiatry : >Brain serotonin transporter binding in former users of MDMA ('ecstasy').
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Brain serotonin transporter binding in former users of MDMA ('ecstasy').

机译:大脑5-羟色胺转运蛋白结合在以前的摇头丸使用者中(“摇头丸”)。

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BACKGROUND: Animal experimental studies have prompted concerns that widespread use of 3,4-methylenedioxymethamphetamine (MDMA; 'ecstasy') by young people may pose a major public health problem in terms of persistent serotonin neurotoxicity. AIMS: To determine the status of brain serotonin neurons in a group of abstinent MDMA users. METHOD: We assessed the integrity of brain serotonin neurons by measuring serotonin transporter (SERT) binding using positron emission tomography (PET) and [(11)C]DASB in 12 former MDMA users, 9 polydrug users who had never taken MDMA and 19 controls who reported no history of illicit drug use. RESULTS: There was no significant difference in the binding potential of [(11)C]DASB between the groups in any of the brain regions examined. CONCLUSIONS: To the extent that [(11)C]DASB binding provides an index of the integrity of serotonin neurons, our findings suggest that MDMA use may not result in long-term damage to serotonin neurons when used recreationally in humans.
机译:背景:动物实验研究引起了人们的关注,即就持久性5-羟色胺神经毒性而言,年轻人广泛使用3,4-亚甲二氧基甲基苯丙胺(摇头丸)可能构成一个重大的公共卫生问题。目的:确定一组禁欲的MDMA用户中脑5-羟色胺神经元的状态。方法:我们通过使用正电子发射断层扫描(PET)和[(11)C] DASB测量12位以前的MDMA用户,9位从未服用过MDMA的多药用户和19位对照来评估5-羟色胺转运蛋白(SERT)的结合,从而评估了大脑5-羟色胺神经元的完整性。没有任何非法药物使用史的人。结果:在所检查的任何大脑区域中,各组之间的[(11)C] DASB结合潜力均无显着差异。结论:就[(11)C] DASB结合提供5-羟色胺神经元完整性的指标而言,我们的发现表明,在人类中娱乐使用MDMA可能不会长期损害5-羟色胺神经元。

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