{"title":"Conditioning of discriminable stimuli produced by morphine.","authors":"S Miksic, N Smith, H Lal","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 4","pages":"357-67"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12179360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Intraventricularly injected p-chloroamphetamine (p-CA) was actively metabolized to 3,4-dimethoxyamphetamine (3,4-DMA) in the rat brain. Time-course experiments with intraperitoneally injected p-CA confirmed that the presence of cerebral 3,4-DMA was not due to its "one-pass" entry from the peripheral organs. The identity of 3,4-DMA from brain tissue and urine was established by comparison to authentic 3,4-DMA. The synthetic and biological samples were isographic in all analytical systems. 3,4-DMA from biological samples was verified by mass spectrography.
{"title":"Mass-spectrographic evidence of the conversion of p-chloroamphetamine to 3,4-dimethoxyamphetamine.","authors":"A D Sherman, E M Gál","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Intraventricularly injected p-chloroamphetamine (p-CA) was actively metabolized to 3,4-dimethoxyamphetamine (3,4-DMA) in the rat brain. Time-course experiments with intraperitoneally injected p-CA confirmed that the presence of cerebral 3,4-DMA was not due to its \"one-pass\" entry from the peripheral organs. The identity of 3,4-DMA from brain tissue and urine was established by comparison to authentic 3,4-DMA. The synthetic and biological samples were isographic in all analytical systems. 3,4-DMA from biological samples was verified by mass spectrography.</p>","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 5-6","pages":"421-7"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12206671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1976-01-01DOI: 10.1007/978-1-4684-3090-5_4
S. Holtzman, H. Shannon, G. J. Schaefer
{"title":"Discriminative properties of narcotic antagonists.","authors":"S. Holtzman, H. Shannon, G. J. Schaefer","doi":"10.1007/978-1-4684-3090-5_4","DOIUrl":"https://doi.org/10.1007/978-1-4684-3090-5_4","url":null,"abstract":"","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"34 3","pages":"315-8"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"51016841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Discriminative properties of narcotic antagonists.","authors":"S G Holtzman, H E Shannon, G J Schaefer","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 4","pages":"315-8"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12011862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Clonidine, a proposed alpha-noradrenergic receptor stimulant, intensifies the aggression occuring during morphine-withdrawal or following the administration of apomorphine. The possibility of a noradrenergic/dopaminergic interaction in drug-induced aggression is discussed.
{"title":"Enhancement of morphine-withdrawal and apomorphine-induced aggression by clonidine.","authors":"G Gianutsos, M D Hynes, H Lal","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Clonidine, a proposed alpha-noradrenergic receptor stimulant, intensifies the aggression occuring during morphine-withdrawal or following the administration of apomorphine. The possibility of a noradrenergic/dopaminergic interaction in drug-induced aggression is discussed.</p>","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 2","pages":"165-71"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12170639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Convulsive responsiveness of O'Grady mice, inbred for susceptibility to audiogenic seizures, was decreased following treatment with the serotonin precursor, 5-hydroxytryptophan, or serotonin depletor, p-chlorophenylalanine. Neither agent exerted any antagonistic or synergistic action on the effect of the other. Upon sequential administration, their effects were additive. There was no indication that the increase in brain serotonin due to administration of its direct precursor interfered with the protective effect of p-chlorophenylalanine against seizures. Neither was there evidence that p-chlorophenylalanine-induced interruption of biosynthesis which led to severe depletion of brain serotonin affected the protective action of 5-hydroxytryptophan.
{"title":"Additive effect of 5-hydroxytryptophan and p-chloro-phenylalanine in preventing audiogenic seizures in inbred mice.","authors":"G J Alexander, L M Kopeloff","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Convulsive responsiveness of O'Grady mice, inbred for susceptibility to audiogenic seizures, was decreased following treatment with the serotonin precursor, 5-hydroxytryptophan, or serotonin depletor, p-chlorophenylalanine. Neither agent exerted any antagonistic or synergistic action on the effect of the other. Upon sequential administration, their effects were additive. There was no indication that the increase in brain serotonin due to administration of its direct precursor interfered with the protective effect of p-chlorophenylalanine against seizures. Neither was there evidence that p-chlorophenylalanine-induced interruption of biosynthesis which led to severe depletion of brain serotonin affected the protective action of 5-hydroxytryptophan.</p>","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 5-6","pages":"379-90"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11358981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nisoxetine, a potent and specific inhibitor of norepinephrine uptake, suppressed REM sleep in cats. Oral doses as small as 0.1 mg/kg were effective during the first 2 1/2 hours of a recording session; 0.25 mg/kg, for 5 hours. The amount of slow wave sleep increased in cats that received 0.1-1.0 mg/kg of nisoxetine. These changes in sleep pattern resemble those reported after treatment with somewhat higher doses of tricylic antidepressants.
{"title":"Depression of REM sleep in cats by nisoxetine, a potential antidepressant drug.","authors":"I H Slater, G T Jones, R A Moore","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Nisoxetine, a potent and specific inhibitor of norepinephrine uptake, suppressed REM sleep in cats. Oral doses as small as 0.1 mg/kg were effective during the first 2 1/2 hours of a recording session; 0.25 mg/kg, for 5 hours. The amount of slow wave sleep increased in cats that received 0.1-1.0 mg/kg of nisoxetine. These changes in sleep pattern resemble those reported after treatment with somewhat higher doses of tricylic antidepressants.</p>","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 3","pages":"181-8"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11403208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Desmethylperazine (norperazine) and desmethylprochlorperazine (norprochlorperazine), like nor1- and nor2chlorpromazine, are excellent substrates for indolethylamine N-methyltransferase (NMT) and also inhibit the formation of dimethyltryptamine (DMT) from N-methyl-tryptamine (NMT). Nortriptyline and protriptyline, antidepressant compounds which like NMT contain a secondary amino group, also serve as substrates for INMT but lack in inhibitory effect on DMT formation.
{"title":"Structure-activity relationships among desmethyl derivatives of neuroleptics and antidepressants for substrate specificty to indolethylamine N-methyltransferase from rabbit lung.","authors":"N Narasimhachari, R L Lin","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Desmethylperazine (norperazine) and desmethylprochlorperazine (norprochlorperazine), like nor1- and nor2chlorpromazine, are excellent substrates for indolethylamine N-methyltransferase (NMT) and also inhibit the formation of dimethyltryptamine (DMT) from N-methyl-tryptamine (NMT). Nortriptyline and protriptyline, antidepressant compounds which like NMT contain a secondary amino group, also serve as substrates for INMT but lack in inhibitory effect on DMT formation.</p>","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 1","pages":"27-38"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11233398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In a shock-escape T-maze task, rats rapidly discriminated diazepam, flurazepam and chloridazepoxide from no drug. The discriminable effects of these benzodiazepines were not completely interchangeable with those of barbiturate anesthetics. The dose-response curve for diazepam asymptoted over the range 15 to 100 mg/kg, ip whereas dose-response curves for flurazepam and chloridazepoxide were more linear.
{"title":"Discriminable effects of benzodiazepines.","authors":"D A Overton","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In a shock-escape T-maze task, rats rapidly discriminated diazepam, flurazepam and chloridazepoxide from no drug. The discriminable effects of these benzodiazepines were not completely interchangeable with those of barbiturate anesthetics. The dose-response curve for diazepam asymptoted over the range 15 to 100 mg/kg, ip whereas dose-response curves for flurazepam and chloridazepoxide were more linear.</p>","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"2 4","pages":"339-43"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11234611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1976-01-01DOI: 10.1007/978-1-4684-3090-5_5
H. Barry, E. C. Krimmer
{"title":"Discriminable stimuli produced by alcohol and other CNS depressants.","authors":"H. Barry, E. C. Krimmer","doi":"10.1007/978-1-4684-3090-5_5","DOIUrl":"https://doi.org/10.1007/978-1-4684-3090-5_5","url":null,"abstract":"","PeriodicalId":76387,"journal":{"name":"Psychopharmacology communications","volume":"87 1","pages":"323-6"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"51016877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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