Journal of Pharmacy and Pharmacology
December 1, 1985
Michael E. Trulson, Terriann Crisp, Leslie J. Henderson
Pretreatment with ascorbic acid (500 mg kg-1 i.p.) antagonized the behavioural effects of lysergic acid diethylamide (LSD) and apomorphine, but not 5-methoxy-N,N-dimethyltryptamine, in cats. The data support the hypothesis that these behavioural effects in cats are due to drug action at both 5-HT and dopamine receptors, and that the action of LSD at dopamine receptors is modulated by ascorbic...
The International journal of applied radiation and isotopes
December 1, 1985
T Takahashi, K Takahashi, Tatsuo Ido et al.
27 citations
Five indolealkylamines (N,N-dimethyltryptamine, N-methyltryptamine, bufotenine, O-methylbufotenine, N,N,N-trimethyltryptamine iodide) were labeled with 11C by use of 11CH3I. The labeled compounds were synthesized with a radiochemical yield of 2-50% (based on trapped 11CH3I) in 20-35 min with radiochemical purities of more than 92%. The tissue distributions of these labeled compounds were...
Journal of Psychoactive Drugs
October 1, 1985
Ronald K. Siegel
9 citations
(1985). LSD Hallucinations: From Ergot to Electric Kool-Aid. Journal of Psychoactive Drugs: Vol. 17, LSD in Retrospect, pp. 247-256.
Journal of Medicinal Chemistry
September 1, 1985
Andrew J. Hoffman, David E. Nichols
44 citations
A convenient method for the synthesis of N(6)-alkyl norlysergic acid N,N-diethylamide derivatives was developed. A series of these compounds was synthesized and tested for substitution in the two-lever drug discrimination assay, in rats trained to discriminate injections of d-LSD tartrate (185.5 nmol/kg, ip) from saline. A dose-response curve for each of the compounds in the series was...
Journal of Pharmacy and Pharmacology
September 1, 1985
T Archer, B Tandberg, L Rényi et al.
8 citations
Repeated administration of drugs that increase tryptaminergic neurotransmission antagonized the increase in latency to onset and the duration of postdecapitation convulsions (PDCs) induced by an acute 5-methoxy-N,N-dimethyltryptamine (5-MeODMT) injection; Zimelidine (2 X 5 mg kg-1), fluoxetine (2 X 5 mg kg-1), amiflamine (2 X 2.5 mg kg-1) and alpha-ethyltryptamine (2 X 2.5 mg kg-1) administered...
Journal of Pharmacology and Experimental Therapeutics
July 1, 1985
E. B. Nielsen
Four monkeys (Cercopithecus aethiops) were trained to discriminate 0.06 mg/kg of lysergic acid diethylamide (LSD) from saline in a two-key task in which correct responding was reinforced with food under a fixed ratio 32 schedule. The ED50 of LSD was 0.011 mg/kg. The nonhallucinogenic ergot, lisuride, and the hallucinogen, 5-methoxy-N,N-dimethyltryptamine, substituted completely for LSD (ED50...
Journal of pharmacological methods
June 1, 1985
P Martin, H Frances, P Simon
21 citations
Intraperitoneal injection of 5-hydroxytryptophan and 5-methoxy-N,N-dimethyltryptamine is shown to provoke characteristic behaviors in mice that can be quantified. The two principal phenomena described here are head twitches and tremors. Tremors became more frequent when doses of the two substances studied were increased. Head twitches appeared at lower doses, but beyond a certain dose, they...
Brain Research
April 29, 1985
T Archer, B G Minor, C Post
37 citations
The acute effects of the 5-hydroxytryptamine agonist, 5-Methoxy-N,N-dimethyltryptamine (5-MeO-DMT), upon pain sensitivity, using shock titration, tail-flick and hot-plate methods, in noradrenaline- and 5-hydroxytryptamine-depleted rats were examined. Noradrenaline depletion, following the systemic administration of N-2-chloroethyl-N-ethyl-2-bromobenzylamine hydrochloride (DSP4, 2 X 50 mg/kg,...
Archives of Disease in Childhood
March 1, 1985
I A Auchterlonie, B. Benjamin
2 citations
1141 Objectives: The ayahuasca effect refers to the potentiation of action of hallucinogenic tryptamine alkaloids by co-administration of a plant extract containing MAO inhibitors, especially the beta-carboline harmine. The hallucinogenic tryptamines in the ayahuasca drink are primarily DMT and 5-MeO-DMT, the same tryptamines in extracts of Bufo skin, and the snuff yopo, another South American...
Brain Research
February 11, 1985
R Lalonde, M I Botez
1 citation
Male Sprague-Dawley rats were injected with phenytoin (PHT) once a day for 20 consecutive days and then tested as to their response to 5-methoxy-N,N-dimethyltryptamine (5-MDMT), a 5-hydroxytryptamine (5-HT) agonist, at 1 and 3 mg/kg on days 21 and 28. It was found that long-term PHT administration decreased the intensity of a stereotyped motor response induced by 5-MDMT (3 mg/kg) on day 21 but...