期刊
DRUG TESTING AND ANALYSIS
卷 4, 期 7-8, 页码 556-576出版社
WILEY
DOI: 10.1002/dta.1333
关键词
5-HT2; serotonin; DOI; HTR; model; 2; 5-dimethoxy-4-iodoamphetamine; phenylisopropylamine; psychedelic; hallucinogen
资金
- National Institutes of Health [R01 DA030989]
Two primary animal models persist for assessing hallucinogenic potential of novel compounds and for examining the pharmacological and neurobiological substrates underlying the actions of classical hallucinogens, the two-lever drug discrimination procedure and the drug-induced head-twitch response (HTR) in rodents. The substituted amphetamine hallucinogen, serotonin 2 (5-HT2) receptor agonist, 2,5-dimethoxy-4-iodoamphetamine (DOI) has emerged as the most popular pharmacological tool used in HTR studies of hallucinogens. Synthesizing classic, recent, and relatively overlooked findings, addressing ostensibly conflicting observations, and considering contemporary theories in receptor and behavioural pharmacology, this review provides an up-to-date and comprehensive synopsis of DOI and the HTR model, from neural mechanisms to utility for understanding psychiatric diseases. Also presented is support for the argument that, although both the two-lever drug discrimination and the HTR models in rodents are useful for uncovering receptors, interacting proteins, intracellular signalling pathways, and neurochemical processes affected by DOI and related classical hallucinogens, results from both models suggest they are not reporting hallucinogenic experiences in animals. Copyright (C) 2012 John Wiley & Sons, Ltd.
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