Acute and chronic tryptophan depletion differentially regulate central 5-HT1A and 5-HT 2A receptor binding in the rat.

abstract：:The augmentation effect of (-)pindolol as used in combination with SSRI to treat major depression has been ascribed to blocking of dorsal raphe nucleus cell body 5-HT autoreceptors. In this study, the radioligand [carbonyl-11C]WAY-100635 and positron emission tomography were used to establish whether pindolol at a cli...

journal_title：Psychopharmacology

authors： Andrée B,Thorberg SO,Halldin C,Farde L

更新日期：1999-06-01 00:00:00

abstract：:The behavioral consequences of prolonged continuous exposure to cocaine were examined in rhesus monkeys. Operant behavior was sampled for 0.5 h every 6 h, and cocaine was continuously infused through an intravenous catheter. Cocaine (4.0-32 mg/kg/day) initially caused reductions in the rate of responding for food and ...

journal_title：Psychopharmacology

authors： Woolverton WL,Kleven MS

更新日期：1988-01-01 00:00:00

abstract：:Peripheral administration of the unsulphated cholecystokinin octapeptide (CCK-8us) led to an anxiogenic-like action in the elevated plus-maze model of anxiety in rats. Devazepide and L-365,260 showed potent anxiolytic-like effects at similar doses. The fact that devazepide is 1000 times more potent as a CCK-A receptor...

journal_title：Psychopharmacology

authors： Chopin P,Briley M

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:It has recently been shown that acute alcohol globally impairs 'prospective memory' (PM)-remembering to do something in the future (Leitz et al. in Psychopharmacology 205:379-387, 2009). In healthy, sober individuals, simulating future events at encoding enhances PM performance. AIMS:We therefore aimed to d...

journal_title：Psychopharmacology

authors： Paraskevaides T,Morgan CJ,Leitz JR,Bisby JA,Rendell PG,Curran HV

更新日期：2010-02-01 00:00:00

abstract：:Chronic treatment (2 weeks) with piracetam (500 mg/kg, once daily PO) elevated m-cholinoceptor density in the frontal cortex of aged (18 months) female mice by about 30-40%, but had no effect on m-cholinoceptor density in the frontal cortex of young (4 weeks) mice. The effect of piracetam on m-cholinoceptor density as...

journal_title：Psychopharmacology

authors： Pilch H,Müller WE

更新日期：1988-01-01 00:00:00

abstract：:Monoamine oxidase inhibitors (MAOIs) are widely accepted as effective antidepressants. Unfortunately their use has been limited by their capacity to potentiate dietary tyramine (the so called "cheese effect") and their interaction with other drugs. The latter poses a particular problem for patients undergoing anaesthe...

journal_title：Psychopharmacology

authors： Hill S,Yau K,Whitwam J

更新日期：1992-01-01 00:00:00

abstract：:The forced swimming test is reviewed. This test appears to be suitable for detecting antidepressant activity in rats but not in mice. Difference in experimental procedure may account for the different sensitivity to drugs of the two animal species. ...

journal_title：Psychopharmacology

authors： Borsini F,Meli A

更新日期：1988-01-01 00:00:00

abstract：:In the present study a cross-familiarisation conditioned taste aversion (CTA) paradigm was utilized to reveal stimulus resemblance between the selective 5-HT1A agonist 8-OHDPAT and a variety of serotonergic and non-serotonergic drugs. In male mice, a 0.22 mg/kg dose of 8-OHDPAT was used as the reference compound induc...

journal_title：Psychopharmacology

authors： De Beun R,Rijk HW,Broekkamp CL

更新日期：1993-01-01 00:00:00

abstract：:NNC 756 is a new benzazepine with high affinity and selectivity for D1-dopamine receptors. In a double-blind, placebo controlled, cross-over study, positron emission tomography and the radioligand [11C]SCH 23390 were used to determine central D1-dopamine receptor occupancy after a single oral dose of 80 mg NNC 756 in ...

journal_title：Psychopharmacology

authors： Karlsson P,Farde L,Halldin C,Sedvall G,Ynddal L,Sloth-Nielsen M

更新日期：1995-05-01 00:00:00

abstract：RATIONALE:Epilepsy is a debilitating seizure disorder that affects approximately 50 million people. Noradrenaline reduces neuronal excitability, has anticonvulsant effects and is protective against seizure onset. OBJECTIVE:We investigated the role of α2-adrenoceptors in vivo in a neonatal domoic acid (DOM) rat model o...

journal_title：Psychopharmacology

authors： Thomsen MB,Lillethorup TP,Jakobsen S,Nielsen EH,Simonsen M,Wegener G,Landau AM,Tasker RA

更新日期：2016-10-01 00:00:00

abstract：RATIONALE:A variety of behavioral procedures have been developed to assess cannabinoid activity in mice; however, the feasibility of establishing Delta(9)-THC as a discriminative stimulus in mice has not been documented. OBJECTIVE:One goal was to establish Delta(9)-THC as a discriminative stimulus in mice; after havin...

journal_title：Psychopharmacology

authors： McMahon LR,Ginsburg BC,Lamb RJ

更新日期：2008-07-01 00:00:00

abstract：RATIONALE:A rigorously investigated model of stress and antidepressant administration during pregnancy is needed to evaluate possible effects on the mother. OBJECTIVE:The objective of this study was to develop a model of clinically relevant prenatal exposure to an antidepressant and stress during pregnancy to evaluate...

journal_title：Psychopharmacology

authors： Bourke CH,Capello CF,Rogers SM,Yu ML,Boss-Williams KA,Weiss JM,Stowe ZN,Owens MJ

更新日期：2013-07-01 00:00:00

abstract：RATIONALE:Research on the effects of nicotine abstinence and nicotine replacement has not provided consistent information about the impact of replacement therapies on tobacco withdrawal and craving. OBJECTIVE:. This study investigated craving and withdrawal symptoms over a 72-h period of abstinence from cigarettes. M...

journal_title：Psychopharmacology

authors： Teneggi V,Tiffany ST,Squassante L,Milleri S,Ziviani L,Bye A

更新日期：2002-11-01 00:00:00

abstract：RATIONALE:The high prevalence of smoking and low cessation rates among individuals with schizophrenia and similar conditions are not well understood. Behavioral economics has been extensively applied to studying addictive behavior and may contribute to understanding smoking in this subpopulation. OBJECTIVES:This study...

journal_title：Psychopharmacology

authors： MacKillop J,Tidey JW

更新日期：2011-07-01 00:00:00

abstract：RATIONALE:Like other monoamine releasers such as D-amphetamine, chronic treatment with phenmetrazine can attenuate cocaine self-administration in monkeys. OBJECTIVES:The present studies extended this finding to rodents and to cocaine-primed reinstatement, a putative laboratory animal model of relapse. METHODS:In expe...

journal_title：Psychopharmacology

authors： Czoty PW,Tran P,Thomas LN,Martin TJ,Grigg A,Blough BE,Beveridge TJ

更新日期：2015-07-01 00:00:00

abstract：:A recent study from our laboratory has demonstrated that C57BL/6 male mice that are chronically injected with nicotine develop a profound tolerance to nicotine that is not associated with changes in brain nicotinic receptors. We have proposed that alterations in the secretion of corticosterone (CCS) may regulate toler...

journal_title：Psychopharmacology

authors： Grun EA,Pauly JR,Collins AC

更新日期：1992-01-01 00:00:00

abstract：RATIONALE:Acute ethanol administration induces hypothermia in genetically susceptible animals. Tolerance to this effect may develop with repeated administration. Allopregnanolone is an endogenously produced neuroactive steroid that acts at the GABA-A receptor. We postulated that allopregnanolone would induce hypothermi...

journal_title：Psychopharmacology

authors： Palmer AA,Moyer MR,Crabbe JC,Phillips TJ

更新日期：2002-07-01 00:00:00

abstract：INTRODUCTION:Gelsemine is a natural alkaloid extracted from Gelsemium elegans Benth., a traditional Chinese medicinal herb. Gelsemine has been shown to penetrate the brain, and could produce neurological activities, such as anxiolytic and neuralgia-alleviating effects, suggesting that this natural compound might be use...

journal_title：Psychopharmacology

authors： Chen L,Pan H,Bai Y,Li H,Yang W,Lin ZX,Cui W,Xian YF

更新日期：2020-07-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to examine age-, hormone-, and sex-dependent differences to the behavioral effects of nicotine using place-conditioning procedures in female rats. METHODS:Animals received nicotine in their initially non-preferred side and saline on alternate days in their initially preferr...

journal_title：Psychopharmacology

authors： Torres OV,Natividad LA,Tejeda HA,Van Weelden SA,O'Dell LE

更新日期：2009-10-01 00:00:00

abstract：RATIONALE:Numerous substituted cathinone drugs have appeared in recreational use. This variety is often a response to legal actions; the scheduling of 3,4-methylenedioxypyrovalerone (MDPV; "bath salts") in the USA was followed by the appearance of the closely related drug α-pyrrolidinopentiophenone (alpha-PVP; "flakka"...

journal_title：Psychopharmacology

authors： Aarde SM,Creehan KM,Vandewater SA,Dickerson TJ,Taffe MA

更新日期：2015-08-01 00:00:00

abstract：RATIONALE:Exposure to a single session of uncontrollable inescapable shock (IS), but not to identical controllable escapable shock, produces a potentiation of morphine's rewarding properties that is unusual in that the stressor can be given a number of days before the drug administration in an environment quite differe...

journal_title：Psychopharmacology

authors： Will MJ,Der-Avakian A,Bland ST,Grahn RE,Hammack SE,Sparks PD,Pepin JL,Watkins LR,Maier SF

更新日期：2004-01-01 00:00:00

abstract：:Male rats of the Long-Evans strain were divided into two equal groups of nine each and given either 7.0 mg/kg trimethyltin (TMT) or 0.9% saline by intragastric gavage. The pattern of self-selection of alcohol in concentrations of 3%--30% was examined in both groups at 21 and 150 days following the gavage. The TMT-trea...

journal_title：Psychopharmacology

authors： Myers RD,Swartzwelder HS,Dyer RS

更新日期：1982-01-01 00:00:00

abstract：:The existence of cyclical (circadian) variations in lithium toxicity in mice was determined. Mice, standardized to a light-dark cycle, were injected with lithium chloride (940 mg/kg) at one of six times (20:00, 24:00, 4:00, 8:00, 12:00, and 16:00) and subsequently observed for mortality over 28 h. A significant (P les...

journal_title：Psychopharmacology

authors： Hawkins R,Kripke DF,Janowsky DS

更新日期：1978-01-31 00:00:00

abstract：:A modified hyponeophagia test is described as an animal model of anxiety. The effects of 0, 0.3, 1.0, 3.0 and 10 mg/kg diazepam, given both acutely and for 7 days pretest, were assessed in rats. Acutely, diazepam reduced hyponeophagia over the dose range 0.3-3.0 mg/kg but 10.0 mg/kg produced sedation and large variabi...

journal_title：Psychopharmacology

authors： Shephard RA,Broadhurst PL

更新日期：1982-01-01 00:00:00

abstract：:The aim of the present study was to (i) characterise the mouse behavioural profile (particularly social interactions) during the preweaning period, (ii) assess the effects of prenatal exposure to an anticonvulsant drug widely used in clinical practice, (iii) examine possible genetic differences both in baseline behavi...

journal_title：Psychopharmacology

authors： Laviola G,Terranova ML,Sedowofia K,Clayton R,Manning A

更新日期：1994-01-01 00:00:00

abstract：:The effect of electroconvulsive shock (ECS) on the responsiveness to pain (measured by the hot-plate test) and on the characteristics of L-type calcium channels (measured as [3H]nitrendipine binding sites) in the cortex and hippocampus was tested on the Wistar rat. In animals receiving a single ECS, the calcium channe...

journal_title：Psychopharmacology

authors： Antkiewicz-Michaluk L,Michaluk J,Romańska I,Vetulani J

更新日期：1990-01-01 00:00:00

abstract：RATIONALE:A positive relationship exists between chronic ethanol intoxication experiences and the severity of neural hyperactivity and withdrawal seizures. An important possibility is that withdrawal reactions also influence the motivation to obtain and consume ethanol. OBJECTIVES:To test this hypothesis, the effects ...

journal_title：Psychopharmacology

authors： Ciccocioppo R,Lin D,Martin-Fardon R,Weiss F

更新日期：2003-07-01 00:00:00

abstract：:Pigeons trained to discriminate between the presence and absence of delta 9-THC (0.56 mg/kg, IM, intramuscularly) were tested with diazepam (5.6-30 mg/kg), administered IG (intragastrically), and were found to generalize the response associated with the THC training to the diazepam treatment only to a limited extent. ...

journal_title：Psychopharmacology

authors： Järbe TU,Hiltunen AJ

更新日期：1988-01-01 00:00:00

abstract：:Twenty-one (three groups of seven), men and women, 25-50 years of age were studied to determine whether or not rebound insomnia would increase the likelihood of self administering a benzodiazepine (triazolam 0.25 mg) hypnotic. The groups compared were patients with insomnia and disturbed sleep, insomnia and normal sle...

journal_title：Psychopharmacology

authors： Roehrs T,Merlotti L,Zorick F,Roth T

更新日期：1992-01-01 00:00:00

abstract：:The discriminative stimulus (DS) effect of apomorphine was investigated in rats trained in a two-lever, food-reinforcement procedure. Rats were given subcutaneous injections of saline or 0.1 mg/kg apomorphine HCl, 15 min before training sessions. The training dose of apomorphine was chosen to activate dopamine autorec...

journal_title：Psychopharmacology

authors： Tang AH,Franklin SR

更新日期：1987-01-01 00:00:00