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Disassociation of cerebellar phospholipid composition and acute ethanol effects in mice selectively bred for differential sensitivity to ethanol. 小脑磷脂成分的分离和乙醇对小鼠的急性乙醇效应。
Alcohol and drug research Pub Date : 1987-01-01
R C Baker
{"title":"Disassociation of cerebellar phospholipid composition and acute ethanol effects in mice selectively bred for differential sensitivity to ethanol.","authors":"R C Baker","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The relationship between genetically determined acute ethanol sensitivity and cerebellar phospholipid composition was investigated. Cerebellar phospholipid composition was compared in two lines of mice that have been selected for differential sensitivity to the acute hypnotic actions of ethanol. The relative ethanol sensitivity of the long sleep (LS) and ethanol resistance of short sleep (SS) mice is well established, and was observed in this study. Cerebellar phospholipid and cholesterol concentrations were found to be identical in the two lines. No differences were found in the total cerebellar or synaptosomal plasma membrane phospholipid fatty acid composition between the two lines. Additionally, there was no change in phospholipid composition or cholesterol concentration in the cerebellum of either SS or LS mice following chronic alcohol treatment. This study suggests that neither total cerebellar nor synaptosomal phospholipid composition is a major determinant of the differential response to acute ethanol in the ethanol sensitive and resistant mouse lines.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"7 4","pages":"291-9"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14945416","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}
引用次数: 0
Effects of acute, in utero, alcohol exposure on growth and electrolyte metabolism in male offspring of C57BL/10J mice. 急性、子宫内酒精暴露对C57BL/10J雄性后代生长和电解质代谢的影响
Alcohol and drug research Pub Date : 1987-01-01
D Desroches, K Ryan, E Vleck, R H Benno
{"title":"Effects of acute, in utero, alcohol exposure on growth and electrolyte metabolism in male offspring of C57BL/10J mice.","authors":"D Desroches,&nbsp;K Ryan,&nbsp;E Vleck,&nbsp;R H Benno","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effects of acute low-dose maternal alcohol exposures were investigated in C57B1/10J mice offspring. Pregnant mice were randomly placed into three alcohol groups and were injected twice intraperitoneally on gestation day 7, 0 hours and gestation day 7, 4 hours, with one of the following dosages of 25% alcohol: Group 2 received 1.25 Gm/Kg body weight; Group 3 2.50 Gm/Kg body wt.; Group 4 3.75 Gm/Kg body wt. A control group (Group 1) received .015 ml/gm body wt. of physiological saline. At birth all offspring were weighed and observed for any gross physical abnormalities. On day 25, all female offspring and mothers were sacrificed. The male pups were maintained until day 61. On day 61, the male pups were placed in individual metabolic cages where food and water consumption, and urine excretion were monitored for 24 hrs. On day 62, these animals were sacrificed. Blood was drawn for serum calcium (Ca) and phosphorous (P) determination. Brains, kidneys, testes, hearts and thymus glands were removed and weighed. Ca and P levels were also measured in the urine. No significant difference in litter size and fetal weight was obtained among the four groups. There was no evidence of physical abnormalities in the alcohol groups compared to the control one. The 62 day old pups from all three alcohol groups had significantly lower serum and urine levels of Ca and P than the control group, with the lowest values recorded for Group 4. There was no significant difference in final body weight but small organ size differences were observed.(ABSTRACT TRUNCATED AT 250 WORDS)</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"7 5-6","pages":"415-22"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14740609","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}
引用次数: 0
Genetic selection of mouse lines sensitive (cold) and resistant (hot) to acute ethanol hypothermia. 对急性乙醇低温敏感(冷)和耐(热)小鼠系的遗传选择。
Alcohol and drug research Pub Date : 1987-01-01
J C Crabbe, A Kosobud, B R Tam, E R Young, C M Deutsch
{"title":"Genetic selection of mouse lines sensitive (cold) and resistant (hot) to acute ethanol hypothermia.","authors":"J C Crabbe,&nbsp;A Kosobud,&nbsp;B R Tam,&nbsp;E R Young,&nbsp;C M Deutsch","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Using the technique of within-family selective breeding, we have generated mouse lines that differ genetically in sensitivity to the acute hypothermia induced by injection of 3 g/kg ethanol (EtOH). After 5 generations of selection, the difference in maximal hypothermic response between COLD and HOT lines was 1.6 degrees C in the first replicate and 1.2 degrees C in the second replicate. Estimates of realized heritability were h2 = .17 in each replicate. No differences in EtOH metabolism have developed, so the differences between HOT and COLD mice are presumably in neurosensitivity. These lines of animals should be useful for studying the biological mechanisms underlying neurosensitivity to EtOH. In conjunction with other selectively bred lines, they should improve our understanding of the genetic relationships among EtOH neurosensitivity, tolerance and physical dependence.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"7 3","pages":"163-74"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14944664","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}
引用次数: 0
Ten years of opioid peptides--retrospectives and perspectives. 阿片肽的十年——回顾与展望。
Alcohol and drug research Pub Date : 1985-01-01
E Simon
{"title":"Ten years of opioid peptides--retrospectives and perspectives.","authors":"E Simon","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 2-3","pages":"91-3"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14137680","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}
引用次数: 0
Signals to and from the nicotinic acetylcholine receptor. 烟碱乙酰胆碱受体之间的信号。
Alcohol and drug research Pub Date : 1985-01-01
M Raftery
{"title":"Signals to and from the nicotinic acetylcholine receptor.","authors":"M Raftery","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 2-3","pages":"69-71"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13564712","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}
引用次数: 0
Doctors' drug abuse reduced during contingency-contracting treatment. 在应急承包治疗中，医生滥用药物的情况有所减少。
Alcohol and drug research Pub Date : 1985-01-01
T J Crowley
{"title":"Doctors' drug abuse reduced during contingency-contracting treatment.","authors":"T J Crowley","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Fifteen drug-abusing doctors each directed their psychiatrist to mail to their licensing boards a pre-prepared license-surrendering letter if any of a series of urine samples contained drugs. The doctors also received other, individualized treatments. Profound reductions in drug use occurred. Seven patients did not relapse at all during the 2-year (average) follow-up, and 4 others experienced only very brief relapses. Four licenses were suspended temporarily by contract, but 6 were suspended or revoked for other reasons. Other reports on such patients reveal some adverse outcomes, and two of these patients had adverse outcomes after relapsing and discontinuing treatment.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 4","pages":"299-307"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15203599","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}
引用次数: 0
Inhibitory neuromodulation of release of amino acid neurotransmitters. 氨基酸神经递质释放的抑制性神经调节。
Alcohol and drug research Pub Date : 1985-01-01
J Peris, T V Dunwiddie
{"title":"Inhibitory neuromodulation of release of amino acid neurotransmitters.","authors":"J Peris,&nbsp;T V Dunwiddie","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Many drugs of abuse (opiates, cocaine, amphetamine, caffeine) modulate or interact with neurotransmitter systems in the brain (e.g., opiate, dopaminergic, adrenergic, purinergic), generally in an inhibitory fashion. However the cellular mechanisms underlying these interactions are varied and often not well-characterized. A summary of the literature on the neuromodulation of two amino acid neurotransmitters (gamma-aminobutyric acid, glutamate) by these drugs and their analogs may contribute to the understanding of the mechanisms underlying inhibitory neuromodulation. In addition, the types of experiments needed to alleviate some of the problems in this area are outlined.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 4","pages":"253-64"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14006080","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}
引用次数: 0
Plasma delta-9-tetrahydrocannabinol in pregnant sheep and fetus after inhalation of smoke from a marijuana cigarette. 吸入大麻烟后妊娠羊和胎儿血浆中δ -9-四氢大麻酚的含量。
Alcohol and drug research Pub Date : 1985-01-01
R M Abrams, C E Cook, K H Davis, K Niederreither, M J Jaeger, H H Szeto
{"title":"Plasma delta-9-tetrahydrocannabinol in pregnant sheep and fetus after inhalation of smoke from a marijuana cigarette.","authors":"R M Abrams,&nbsp;C E Cook,&nbsp;K H Davis,&nbsp;K Niederreither,&nbsp;M J Jaeger,&nbsp;H H Szeto","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Seven pregnant ewes were prepared with open-ended tracheal T tubes and with catheters in maternal femoral artery and in central circulation of fetus. Several days postoperatively, at 129-132 days gestation, ewes inhaled smoke from one marijuana cigarette containing 3.19% delta-9-tetrahydrocannabinol (delta-9-THC). Smoke was produced continuously in a hand-held chamber and delivered to the protruding arm of the tracheal tube. Samples of maternal and fetal blood were taken during the 8-10 minute smoking period and at intervals up to 24 hours. Delta-9-THC was detected in maternal plasma at 3 minutes and peaked at 10 minutes. Fetal plasma delta-9-THC reached detectable levels in 5 animals by 10 minutes. Maximum mean level was reached at 90 minutes and remained nearly constant until the fourth hour. Fetal delta-9-THC levels remained lower than maternal levels at all times. The terminal half-life of delta-9-THC in fetal and maternal plasma exceeded 10 hours.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 5","pages":"361-9"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14144048","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}
引用次数: 0
Effects of exposure to stressful stimuli on the free-choice consumption of various phenethylamines by rats. 应激刺激对大鼠自由选择消耗各种苯乙胺的影响。
Alcohol and drug research Pub Date : 1985-01-01
J F Nash, R P Maickel
{"title":"Effects of exposure to stressful stimuli on the free-choice consumption of various phenethylamines by rats.","authors":"J F Nash,&nbsp;R P Maickel","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In an attempt to investigate whether a relationship exists between exposure to stressful stimuli and the consumption of CNS stimulants, rats were given continuous access to an 0.1% saccharin solution and either d-amphetamine (AMP), methamphetamine (MET) or phenylpropanolamine (PPA) at two concentrations. Animals were exposed to either isolation/novel environment or immobilization stress repetitively over a two week period on an irregular/unpredictable schedule. No differences were seen between control (non-stressed) and stressed animals with respect to the volume of AMP, MET or PPA consumed either during stress or in two weeks post-stress. All three drugs failed to demonstrate any oral reinforcing properties as evaluated by positional perseveration. In contrast to earlier work using ethanol, the data suggests that stress has very little influence over the oral ingestion of phenethylamines.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 6","pages":"403-15"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14952641","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}
引用次数: 0
Oral ethanol reinforcement: interactive effects of amphetamine, pimozide and food-restriction. 口服乙醇强化:安非他明、吡莫胺和食物限制的相互作用。
Alcohol and drug research Pub Date : 1985-01-01
A O Pfeffer, H H Samson
{"title":"Oral ethanol reinforcement: interactive effects of amphetamine, pimozide and food-restriction.","authors":"A O Pfeffer,&nbsp;H H Samson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Twelve male Long Evans rats, trained to lever press using 10% (v/v) oral ethanol reinforcement, were maintained with ad lib access to food and water in the home cage. After stabilization of responding, the rats were randomly divided into two groups: Group P received pimozide (PIM) injections (0.1 to 0.5 mg/kg) and Group A received d-amphetamine (DEX) injections (0.05 to 0.5 mg/kg). Following the sequence of either PIM or Dex injections, all rats were given four different combinations of PIM + DEX injections. The lower doses of amphetamine did not affect responding, but 0.5 mg/kg significantly reduced responding. All PIM doses except the lowest reduced responding. The combined PIM + DEX doses all reduced responding, in some cases further than either constituent dose alone. Next, all rats were reduced to 80% of their free feeding weights by food restriction, and tested with 0.25 mg/kg DEX, 0.1 mg/kg PIM, and 0.1 PIM + 0.25 DEX. As a result of food restriction, baseline responding increased significantly. The 0.25 mg/kg DEX dose tended to increase responding even above this baseline increase, while both PIM and PIM + DEX reduced responding.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 1","pages":"37-48"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14993045","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}
引用次数: 0
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