Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens.

Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens.
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DOI:
10.1016/j.neuropharm.2011.01.017
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发表时间:
2011-09
期刊:
影响因子:
4.7
通讯作者:
Geyer, Mark A.
Geyer, Mark A.
中科院分区:
医学2区
文献类型:
--
作者:
Halberstadt, Adam L.;Geyer, Mark A.

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5-羟色胺能致幻剂在知觉、情绪和认知方面产生深刻的变化。这些药物包括苯基烷基胺如美斯卡林和2,5-二甲氧基-4-甲基苯丙胺(DOM),以及吲哚胺如(+)-麦角酸二乙基酰胺(LSD)和裸盖菇素。尽管它们的化学结构不同,但这两类致幻剂在人类身上产生的主观效果非常相似,并诱导交叉耐受。苯烷基胺类致幻剂是选择性5-HT 2受体激动剂,而吲哚胺类对5-羟色胺(5-HT)受体相对无选择性。从动物和人类研究中有大量证据表明,致幻剂的特征性作用是通过与5-HT 2A受体的相互作用介导的。然而,也有证据表明,与其他受体位点的相互作用有助于吲哚胺致幻剂的精神药理学和行为效应。本文综述了吲哚胺类致幻剂在多种动物行为模式中的作用是由5-HT 2和非5-HT 2受体介导的证据。
Serotonergic hallucinogens produce profound changes in perception, mood, and cognition. These drugs include phenylalkylamines such as mescaline and 2,5-dimethoxy-4-methylamphetamine (DOM), and indoleamines such as (+)-lysergic acid diethylamide (LSD) and psilocybin. Despite their differences in chemical structure, the two classes of hallucinogens produce remarkably similar subjective effects in humans, and induce cross-tolerance. The phenylalkylamine hallucinogens are selective 5-HT2 receptor agonists, whereas the indoleamines are relatively non-selective for serotonin (5-HT) receptors. There is extensive evidence, from both animal and human studies, that the characteristic effects of hallucinogens are mediated by interactions with the 5-HT2A receptor. Nevertheless, there is also evidence that interactions with other receptor sites contribute to the psychopharmacological and behavioral effects of the indoleamine hallucinogens. This article reviews the evidence demonstrating that the effects of indoleamine hallucinogens in a variety of animal behavioral paradigms are mediated by both 5-HT2 and non-5-HT2 receptors.
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