abstract：:High performance liquid chromatography with electrochemical detection (HPLC-EC) was adapted for the analysis of metabolites of monoamines (MA) in the developing brain of the rat. 3-Methoxy-4-hydroxy-phenyl-ethylene glycol (MOPEG), dihydroxy phenylacetic acid (DOPAC), homovanillic acid (HVA) and 5-hydroxy-3-indoleaceti...

journal_title：Neuropharmacology

authors： Ribary U,Schlumpf M,Lichtensteiger W

更新日期：1986-09-01 00:00:00

abstract：:The roles of recognition sites for central neurotransmitters in the mediation of the behavioural effects of the putative 5-hydroxytryptamine (5-HT1) receptor agonist, RU 24969 [5-methoxy-3(1,2,3,6-tetrahydropyridin-4-yl)1H indole] in the rat have been examined. The drug RU 24969 was found to have high affinity for 5-H...

journal_title：Neuropharmacology

authors： Tricklebank MD,Middlemiss DN,Neill J

更新日期：1986-08-01 00:00:00

abstract：:Amphetamine has been shown to either potentiate or protect against MPTP neurotoxicity. The time course of changes in dopamine and its metabolites was examined after MPTP, amphetamine, or MPTP plus amphetamine administration. Results suggest that under conditions of granular depletion and release of dopamine by 10 mg/k...

journal_title：Neuropharmacology

authors： Sershen H,Mason MF,Reith ME,Hashim A,Lajtha A

更新日期：1986-08-01 00:00:00

abstract：:The ability of the enantiomers of the atypical dopamine receptor agonist 3-(3-hydroxyphenyl)-N-n-propylpiperidine (3-PPP) to counteract gamma-butyrolactone-induced hyperprolactinemia was compared in male and female rats. Following gamma-butyrolactone (GBL) pretreatment serum prolactin concentrations were higher in fem...

journal_title：Neuropharmacology

authors： Carlsson M,Eriksson E,Nilsson C,Carlsson A

更新日期：1986-08-01 00:00:00

abstract：:Extracts of the skin of Pseudophryne coriacea displayed a powerful stimulant action on the leech helical muscle, both in vitro and in vivo. In the isolated dorsal muscle, the extract caused the appearance of vigorous phasic movements, accompanied by rapid increase in tonus, up to intense spasm. Hyoscine, physostigmine...

journal_title：Neuropharmacology

authors： Falconieri Erspamer G,Farruggia G

更新日期：1986-08-01 00:00:00

abstract：:4-Aminopyridine (4-AP) stimulated the release of [3H]dopamine from striatal synaptosomes in the rat. At a concentration of 200 microM, 4-aminopyridine increased the spontaneous efflux of dopamine by 170%. The effect of 4-aminopyridine was calcium-dependent, being abolished when calcium was omitted from the incubation ...

journal_title：Neuropharmacology

authors： Arzate ME,Morán J,Pasantes-Morales H

更新日期：1986-07-01 00:00:00

abstract：:The consumption of saline and water in a two-bottle test of salt-preference was measured after the administration of sulpiride, a dopamine receptor antagonist and of naloxone, an antagonist at opiate receptors. The two drugs were injected alone, or in combination. Three concentrations of saline (0.125, 0.6 and 1.7% Na...

journal_title：Neuropharmacology

authors： Gilbert DB,Cooper SJ

更新日期：1986-07-01 00:00:00

abstract：:An earlier finding that three systems were responsible for the uptake of gamma-aminobutyric acid by synaptosomes was corroborated. In addition, the existence of three uptake systems for RS-nipecotic acid and beta-alanine was demonstrated. We have called these systems high affinity, medium affinity and low affinity upt...

journal_title：Neuropharmacology

authors： Sidhu HS,Wood JD

更新日期：1986-05-01 00:00:00

abstract：:The effect of drugs which down-regulate the function of GABA at the level of the GABA/benzodiazepine receptor complex was studied on the conflict test in the rat. The GABA receptor antagonist, bicuculline, and the blockers of the GABA-receptor-coupled chloride channel, picrotoxin and pentylenetetrazol, produced a dose...

journal_title：Neuropharmacology

authors： Corda MG,Biggio G

更新日期：1986-05-01 00:00:00

abstract：:A new in vivo pharmacological method for the quantitative evaluation of alpha 1-adrenoceptor agonists and antagonists has been developed. It consists of recording the myoclonic twitch activity (MTA) of the suprahyoideal muscle of rats anesthetized with urethane. In these animals, the isomers of amphetamine elicited my...

journal_title：Neuropharmacology

authors： Menon MK,Kodama CK,Kling AS,Fitten J

更新日期：1986-05-01 00:00:00

abstract：:The present study investigated the effects of WB4101, a selective alpha 1-adrenoceptor blocking agent, and idazoxan, a selective alpha 2-adrenoceptor blocking agent, on antinociception and sedation in the rat mediated by adrenoceptors. Selective alpha 1-adrenoceptor agonists, e.g. ST587 and methoxamine induced antinoc...

journal_title：Neuropharmacology

authors： Hayes AG,Skingle M,Tyers MB

更新日期：1986-04-01 00:00:00

abstract：:Electrical stimulation of the optic nerve evoked two positive waves with short latency, followed by a large negative wave in the suprachiasmatic nucleus of slices of hypothalamus of the rat. The latency to peak of the two positive waves and the large negative wave were 2.7 +/- 0.1, 6.1 +/- 0.1 and 10.3 +/- 0.5 msec, r...

journal_title：Neuropharmacology

authors： Shibata S,Liou SY,Ueki S

更新日期：1986-04-01 00:00:00

abstract：:Substance P, administered intrathecally in the lumbar area of paraplegic rats activated the electromyogram (EMG) of the hindlimbs. This effect was markedly enhanced by previous denervation by 5,7-dihydroxytryptamine. Stimulation of the motoneurons by substance P was followed by a blunted response to the excitatory sub...

journal_title：Neuropharmacology

authors： Tremblay LE,Maheux R,Bédard PJ

更新日期：1986-04-01 00:00:00

abstract：:In genetically obese (ob/ob) mice the development of obesity was correlated with the binding of [3H] (+)-amphetamine to the hypothalamus. In 39-day-old ob/ob mice, which had obtained a body weight greater than 150% of their lean littermates, hypothalamic [3H] (+)-amphetamine binding had increased by approximately 60% ...

journal_title：Neuropharmacology

authors： Hauger R,Hulihan-Giblin B,Paul SM

更新日期：1986-03-01 00:00:00

abstract：:The uptake of norepinephrine into cortical punches from the brain of the rat was studied in the presence of buffer and plasma from patients containing bupropion and its metabolites. Even though bupropion and its metabolite (compound II) were equipotent in inhibiting the uptake of NE in buffer, compound II was twice as...

journal_title：Neuropharmacology

authors： Perumal AS,Smith TM,Suckow RF,Cooper TB

更新日期：1986-02-01 00:00:00

abstract：:Administration of 0.13% lead acetate solution as drinking fluid to breeding mice was without significant effect on the numbers of live or dead births or on weight of pups at 1 day. The appearance of fur was delayed and the body weights at 21 days and 31-38 weeks were smaller than in controls. On weaning, the treated o...

journal_title：Neuropharmacology

authors： Donald JM,Cutler MG,Moore MR,Bradley M

更新日期：1986-02-01 00:00:00

abstract：:In slices of the hypothalamus of the rat, prelabelled with [3H]5-hydroxytryptamine ([3H]5-HT), dihydroergocristine (DHEC) decreased in a concentration-dependent manner (0.01-1 microM) the release of [3H]transmitter elicited by stimulation. In the presence of phentolamine (1 microM), sulpiride (1 microM), atropine (1 m...

journal_title：Neuropharmacology

authors： Moret C,Briley M

更新日期：1986-02-01 00:00:00

abstract：:The effects of withdrawal from long-term treatment with increasing concentrations of sodium barbital in the drinking water were studied in rats. Animals were tested 72 hr after the removal of the drug. Withdrawal of barbital induced a significant leftward displacement of the dose-response curves obtained for the convu...

journal_title：Neuropharmacology

authors： Sandoval MR,Palermo-Neto J

更新日期：1985-12-01 00:00:00

abstract：:A study has been undertaken to identify the category of receptors mediating the inhibitory effects of adenosine on evoked activity in slices of olfactory cortex in the rat. The approach has been to measure the relative potencies of adenosine and a range of structural analogues [2-chloroadenosine, 2' deoxyadenosine, cy...

journal_title：Neuropharmacology

authors： Collins GG,Anson J

更新日期：1985-11-01 00:00:00

abstract：:The effects of pretreatment of rats with an intrahypothalamic injection of 6-hydroxydopamine on the thermal responses induced by intrahypothalamic injection of noradrenaline, prostaglandin E2, thyrotropin-releasing hormone or beta-endorphin were assessed. Administration of either noradrenaline (2-10 micrograms), prost...

journal_title：Neuropharmacology

authors： Lin MT,Chern YF,Chen SY

更新日期：1985-11-01 00:00:00

abstract：:The role of the stress-induced increase in the uptake of tryptophan in brain in opioid-induced analgesia was investigated by modifying the uptake of amino acid in brain with injections of competing amino acids. Blockade of analgesia by valine (200 mg/kg, i.p.) alone, and by valine and tyrosine (100 mg/kg, i.p.), but n...

journal_title：Neuropharmacology

authors： Kelly SJ,Franklin KB

更新日期：1985-11-01 00:00:00

abstract：:The effects of the chronic administration of antidepressants on threshold electroconvulsive (ECS) seizures were evaluated in rats. Initially, tonic-clonic seizures were induced in 90% of the animals. Of those animals responding with tonic-clonic seizures, 42% had hindlimb extension (extensors); the remainder showed on...

journal_title：Neuropharmacology

authors： Peterson SL,Trzeciakowski JP,St Mary JS

更新日期：1985-10-01 00:00:00

abstract：:Time-effects of morphine, methadone, meperidine and pentazocine upon locomotor activity were investigated in naive and in post-dependent rats. Dependence was induced by daily injection of 20 mg/kg (i.p.) of morphine for 30 days. Tests were run starting from 1 month after withdrawal from morphine. Morphine produced a g...

journal_title：Neuropharmacology

authors： Bartoletti M,Gaiardi M,Gubellini C,Bacchi A,Babbini M

更新日期：1985-09-01 00:00:00

abstract：:The study investigated the interaction between phencyclidine (PCP) and morphine in affecting the levels of met-enkephalin, dopamine, DOPAC and HVA in mice. Morphine 5 mg/kg alone and PCP 10 mg/kg alone failed to change the levels of met-enkephalin in the midbrain and striatum. However, PCP in combination with morphine...

journal_title：Neuropharmacology

authors： Nabeshima T,Hiramatsu M,Furukawa H,Kameyama T

更新日期：1985-08-01 00:00:00

abstract：:The effect of 5-(2-cyclohexylideneethyl)-5-ethyl barbituric acid (CHEB) on the isolated spinal cord of the immature rat was examined using extracellular recording. At concentrations less than 20 microM CHEB increased the monosynaptic reflex (MSR) but depressed the reflex at greater concentrations (30-100 microM). At c...

journal_title：Neuropharmacology

authors： Nicholson GM,Spence I,Johnston GA

更新日期：1985-06-01 00:00:00

abstract：:The patterns of spontaneous firing recorded from 25 cells in slice preparations of rat cerebral cortex were characterised using inter-spike interval plots (ISI). Histograms of the ISI showed two peaks having modal values of 20 and 82ms, corresponding to episodes of high frequency bursts of action potentials, and a low...

journal_title：Neuropharmacology

authors： Bagust J,Nagi I,Kerkut GA

更新日期：1985-06-01 00:00:00

abstract：:The effects of oxytocin (OXT) and of dipeptides derived from the C-terminal portion of oxytocin (Z-prolyl-leucine and Z-prolyl-D-leucine) on the development of acute and chronic tolerance to, and dependence on morphine were tested in the mouse. Oxytocin and the dipeptides attenuated the development of acute and chroni...

journal_title：Neuropharmacology

authors： Kovács GL,Horváth Z,Sarnyai Z,Faludi M,Telegdy G

更新日期：1985-05-01 00:00:00

abstract：:Ethylcholine mustard aziridinium ion (AF64A), or vehicle, was infused bilaterally (3 nmol/3 microliter per side) into the lateral ventricles of rats. The effect of such treatment on various cholinergic responses was measured in the hippocampus, cortex and striatum. Potassium-stimulated release of acetylcholine from su...

journal_title：Neuropharmacology

authors： Leventer S,McKeag D,Clancy M,Wulfert E,Hanin I

更新日期：1985-05-01 00:00:00

abstract：:Lithium in vitro at concentrations of 1-2 mM and above inhibited cyclic AMP accumulation due to noradrenaline in cerebral cortical slices prepared from both control rats and rats rendered supersensitive for the noradrenaline response by intraperitoneal injection of reserpine. There was no difference in the concentrati...

journal_title：Neuropharmacology

authors： Newman ME,Lichtenberg P,Belmaker RH

更新日期：1985-04-01 00:00:00

abstract：:In order to define the modulatory role played by gamma-aminobutyric acid (GABA) in corticopetal cholinergic projections, the effect of this amino acid and related drugs on gross behaviour, the EEG and the release of acetylcholine (ACh) from the cerebral cortex in freely moving guinea-pigs was studied. gamma Aminobutyr...

journal_title：Neuropharmacology

authors： Tanganelli S,Bianchi C,Beani L

更新日期：1985-04-01 00:00:00

abstract：:An infusion of dopamine for 13 days into the nucleus accumbens of rat caused biphasic peaks of hyperactivity responding during infusion and an enhanced locomotor responsiveness to the dopamine agonist (-)N-n-propylnorapomorphine [(-)NPA] after the infusion when rats where initially preselected as low activity responde...

journal_title：Neuropharmacology

authors： Costall B,Domeney AM,Naylor RJ

更新日期：1985-03-01 00:00:00

abstract：:The neurochemical basis for the clinical observation that some patients receiving a large dose of haloperidol exhibit no extrapyramidal side effects was investigated in rats. Haloperidol at doses of 1, 2.5, 5, 7.5 and 10 mg/kg (i.p.) caused a dose-dependent decrease in the duration of catalepsy. Haloperidol at a dose ...

journal_title：Neuropharmacology

authors： Toru M,Takashima M

更新日期：1985-03-01 00:00:00

abstract：:In dorsal horn neurones of the cat spinal cord iontophoretically administered (+/-)-beta-p-chlorophenylglutamate (chlorpheg) markedly enhanced the excitatory responses induced by L-homocysteate, L-homocysteine sulphinate, S-sulpho L-cysteine, L-cysteate and quisqualate, while responses to NMDA, kainate, L-glutamate, L...

journal_title：Neuropharmacology

authors： Davies J,Francis AA,Oakes DJ,Sheardown MJ,Watkins JC

更新日期：1985-02-01 00:00:00

abstract：:Intraventricular administration of amphetamine in mice produced hypothermia. Pretreatment with the dopaminergic (DA) receptor antagonist haloperidol reduced this response, whereas pretreatment with pimozide, sulpiride or cis-flupentixol did not. The direct DA agonist apomorphine strongly potentiated the hypothermia. P...

journal_title：Neuropharmacology

authors： Boschi G,Launay N

更新日期：1985-02-01 00:00:00

abstract：:Putative kappa binding was investigated in homogenates of the brain of the rat using [3H]ethylketocylazocine and [3H]diprenorphine under conditions where mu and delta sites were blocked. Under blocked conditions, the binding of [3H]ethylketocyclazocine labelled a single site, as defined by kinetic and equilibrium anal...

journal_title：Neuropharmacology

authors： Weyhenmeyer JA,Mack KJ

更新日期：1985-02-01 00:00:00

abstract：:Rat hearts were labelled with [3H]norepinephrine in vivo. Slices of ventricles were prepared, preincubated in Krebs-HCO3 medium (KRB), and then incubated in a Na+-deficient, choline+-Krebs HCO3 (Ch+-Ca2+). The choline+-Krebs HCO3 medium induced a delayed neurosecretion which could be inhibited by either one of the blo...

journal_title：Neuropharmacology

authors： Bogdanski DF

更新日期：1985-01-01 00:00:00

abstract：:The effect of postnatal administration of phenobarbital on enzymes degrading enkephalin was examined. Daily subcutaneous injections (45 mg/kg) of phenobarbital were given to male and female rats from postnatal day 1 to 19. Brains from rats treated with saline and phenobarbital were used to prepare aminopeptidases (hig...

journal_title：Neuropharmacology

authors： Mousa S,Tjioe S,Couri D

更新日期：1985-01-01 00:00:00

abstract：:In rats with partial, unilateral lesions of the dopaminergic nigrostriatal pathway, synthesis of dopamine (DA) per surviving neurone was assessed by measuring the ratio of DOPA accumulated after inhibition of aromatic amino acid decarboxylase to dopamine (DOPA/DA ratio). Release of DA per surviving neurone was assesse...

journal_title：Neuropharmacology

authors： Hefti F,Enz A,Melamed E

更新日期：1985-01-01 00:00:00

abstract：:In rat brain, the number of beta-adrenoceptors and activity of noradrenaline-dependent adenylate cyclase were examined after treatment with desipramine (7.5 mg kg-1 day-1) for three days alone or in combination with the alpha 2-adrenoceptor antagonist, yohimbine (2 mg kg-1 12 hr-1), or with phenoxybenzamine (7.5 mg kg...

journal_title：Neuropharmacology

authors： Campbell IC,McKernan RM,Smokcum RW,Stephenson JD,Weeramanthri TB

更新日期：1984-12-01 00:00:00

abstract：:Centrally-administered opioid peptides produce elevations in levels of catecholamines in plasma in conscious rats. To investigate the opioid receptor involved in mediating this response, morphine (3.5-105 nmol), [D-Ala2-D-Leu5]enkephalin (DADL, 1.05-35 nmol) and U50, 488H (35-1160 nmol), relatively selective ligands f...

journal_title：Neuropharmacology

authors： Conway EL,Brown MJ,Dollery CT

更新日期：1984-11-01 00:00:00