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 for the mu, delta and kappa receptors respectively, were injected intracerebroventricularly into conscious rats and the levels of catecholamines in plasma determined at the peak of the response. Each agonist produced dose-dependent elevations in levels of noradrenaline and adrenaline, the order of potency being DADL approximately equal to morphine greater than U50,488H. These results exclude involvement of the kappa receptor but do not distinguish between an effect mediated by a mu or delta receptor. The responses to morphine were blocked in the presence of 300 nmol naloxone but were not altered by 41.5 nmol RX 781094, a selective alpha 2-adrenoceptor antagonist. The elevation in levels of adrenaline in plasma produced by small doses of the agonists was not related to behavioural changes.
journal_name
Neuropharmacologyjournal_title
Neuropharmacologyauthors
Conway EL,Brown MJ,Dollery CTdoi
10.1016/0028-3908(84)90047-9subject
Has Abstractpub_date
1984-11-01 00:00:00pages
1291-6issue
11eissn
0028-3908issn
1873-7064journal_volume
23pub_type
杂志文章abstract：:To investigate whether the reversible MAO-B inhibitor and sodium channel blocker safinamide impairs glutamate release under parkinsonian conditions in vivo, and this effect is dependent on MAO-B inhibition, safinamide (and rasagiline as a comparator) were administered to 6-hydroxydopamine hemilesioned rats, a model of...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2020.108006
更新日期：2020-05-01 00:00:00
abstract：:Although selective activation of the M1 muscarinic acetylcholine receptor (mAChR) subtype has been shown to improve cognitive function in animal models of neuropsychiatric disorders, recent evidence suggests that enhancing M4 mAChR function can also improve memory performance. Positive allosteric modulators (PAMs) tar...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2017.07.013
更新日期：2018-01-01 00:00:00
abstract：:The effects of guanosine-5'-triphosphate (GTP), sodium chloride and manganese chloride on the binding of buprenorphine to opiate receptors present in rat brain has been studied. Manganese chloride significantly decreased the affinity of binding of both [3H] buprenorphine and unlabelled buprenorphine to morphine and en...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(84)90201-6
更新日期：1984-03-01 00:00:00
abstract：:The effects of prostaglandin (PG) E(1) on NO neurotoxicity were examined using rat cultured spinal neurons. Rat cultured spinal neurons exposed to the NO donor, 2,2'-(hydroxynitrosohydrazono) bis-ethanamine (NOC18), showed neurotoxic effects that were accompanied by apoptotic nuclear change, free radical generation, a...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/s0028-3908(02)00020-5
更新日期：2002-04-01 00:00:00
abstract：:Radioligand binding studies were performed in membranes of human cerebellum using [125I][Tyr3]octreotide also known as [125I]204-090, [125I]LTT-SRIF-28 ([Leu8, D-Trp22, 125I-Tyr25]SRIF-28) and [125I]CGP 23996 ([125I]c[Asu-Lys-Asn-Phe-Trp-Lys-Thr-Tyr-Thr-Ser]) to characterize the nature of cerebellar somatostatin recep...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(96)84643-0
更新日期：1996-06-01 00:00:00
abstract：:R(-)11-Hydroxy-N-n-propylnoraporphine (11-OH-NPa) induced stereotyped behavior in the rat as potently (ED50 = 0.80 mg/kg, i.p.) as R(-)apomorphine (APO) and this effect was blocked by haloperidol; the 11-methoxy congener, R(-)11-MeO-NPa, had a weak effect (ED50 greater than 10 mg/kg) and the S(+) isomers had none. The...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(90)90064-x
更新日期：1990-06-01 00:00:00
abstract：:Evidence indicates that angiotensin II type 2 receptors (AT2R) exert cerebroprotective actions during stroke. A selective non-peptide AT2R agonist, Compound 21 (C21), has been shown to exert beneficial effects in models of cardiac and renal disease, as well as hemorrhagic stroke. Here, we hypothesize that C21 may exer...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2014.01.044
更新日期：2014-06-01 00:00:00
abstract：:Acromelic acid, a kainate derivative of natural origin, markedly increased intracellular Ca2+ concentration ([Ca2+]i) in cultured rat spinal neurons in a concentration dependent manner; the half effective concentration (EC50) was 1.3 microM. Acromelic acid was more potent in increasing [Ca2+]i than any other glutamate...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(94)90146-5
更新日期：1994-09-01 00:00:00
abstract：:Considerable biochemical evidence suggests that the protein kinase C (PKC) signaling cascade may be a convergent point for the actions of anti-manic agents, and that excessive PKC activation can disrupt prefrontal cortical regulation of thinking and behavior. To date, however, brain protein targets of PKC's anti-manic...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2008.08.015
更新日期：2009-01-01 00:00:00
abstract：:The patch-clamp technique was used to study the effects of nystatin on a cloned delayed rectifier potassium channel (Kv1.3) expressed in Chinese hamster ovary (CHO) cells. Kv1.3 currents recorded in the whole-cell configuration, using an intracellular solution containing nystatin, were subjected to a time- and concent...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(96)00094-9
更新日期：1996-01-01 00:00:00
abstract：:Fluorescently labeled, small molecule ligands designed for the labeling and tracking of neuronal receptors have become an increasingly popular tool in neurobiology. The small size of these probes allows for subcellular imaging of proteins in their native state with minimal perturbation of the system. Several factors s...
journal_title：Neuropharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.neuropharm.2015.03.033
更新日期：2015-11-01 00:00:00
abstract：:The ability of (-)N-n-propylnorapomorphine and selective D1 and D2 dopamine receptor agonists and antagonists to modify the release of [3H]dopamine, induced by potassium from the nucleus accumbens, was studied using an in vitro superfusion technique. (-)N-n-Propylnorapomorphine, in picomolar concentrations, inhibited ...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(90)90090-e
更新日期：1990-04-01 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
pub_type： 杂志文章
doi：10.1016/0028-3908(86)90083-3
更新日期：1986-07-01 00:00:00
abstract：:In the present study, we investigated the effect of ACPT-I [(1S, 3R,4S)-1-aminocyclopentane-1,2,4-tricarboxylic acid], a blood-brain-barrier permeable agonist of group III mGlu receptor, against oxygen-glucose deprivation (OGD)-evoked neuronal cell death in primary neuronal cell cultures and in the model of transient ...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2015.11.025
更新日期：2016-03-01 00:00:00
abstract：:In this study, we investigated whether resveratrol could protect against ischemic injury by improving brain energy metabolism and alleviating oxidative stress. Male rats were divided into three groups: sham operation, ischemia treatment, and ischemia combined with resveratrol treatment (resveratrol-treated group, 30 m...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2010.09.005
更新日期：2011-02-01 00:00:00
abstract：:E2020 is a piperidine cholinesterase inhibitor (ChEI) which is structurally distinct from other compounds presently under study for treatment of Alzheimer's disease. We studied the effect of this compound on acetylcholine (ACh), norepinephrine (NE), dopamine (DA) and serotonin (5-HT; 5-hydroxytryptamine) by means of t...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(95)00157-3
更新日期：1996-02-01 00:00:00
abstract：:The incretins glucagon-like peptide 1 (GLP-1) and glucose dependent insulinotropic polypeptide (GIP) are growth factors that have shown neuroprotective effects in animal models of Parkinson's and Alzheimer's disease. In addition, the GLP-1 mimetic exendin-4 has shown protective effects in a clinical trial in Parkinson...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2017.02.013
更新日期：2017-05-01 00:00:00
abstract：:Both psychostimulants and antidepressants target monoamine transporters and, as a consequence, augment monoamine transmission. These two groups of drugs also increase motor activity in preclinical behavioural screens for antidepressants. Substance P-preferring receptor (NK1R) antagonists similarly increase both motor ...
journal_title：Neuropharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.neuropharm.2014.03.021
更新日期：2014-12-01 00:00:00
abstract：:Psycho-genetic studies have revealed a role for the brain serotonin system in gambling proneness and poor decision-making. We assessed whether manipulation of brain serotonin levels in rats affected performance in operant-based tasks for decision-making and gambling proneness. Male Wistar rats were exposed to an l-try...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2011.11.002
更新日期：2012-03-01 00:00:00
abstract：:There is mounting evidence that inflammatory processes, including activation of microglia, are upregulated in Alzheimer's disease. The importance of this phenomenon is indicated by multiple epidemiological studies showing that patients taking non-steroidal anti-inflammatory drugs (NSAIDs) have a substantially reduced ...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/s0028-3908(99)00014-3
更新日期：1999-07-01 00:00:00
abstract：:The effects of the anxiolytic drug chlordiazepoxide (CDZ) on general activity and anxiety-related behaviour of male and female Swiss-Webster mice were investigated in the triple test, which combines the open field (OF), elevated-plus maze (EPM) and the light-dark box (LDB). Mice were injected with saline or CDZ (1.0, ...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2012.06.033
更新日期：2012-10-01 00:00:00
abstract：:The ability of specific dopamine (DA) receptor agonists and antagonists to modify the release and metabolism of DA in the ventrolateral striatum of awake rats was assessed using in vivo microdialysis. The specific DA D2 receptor antagonist, raclopride (0.1, 0.5 and 2.0 mg/kg, i.p.), dose-dependently increased release ...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(91)90022-4
更新日期：1991-12-01 00:00:00
abstract：:Dopamine denervation in Parkinson's disease and repeated Levodopa (L-DOPA) administration that induces dyskinesias are associated with an enhancement of basal ganglia neuropeptide transmission. Various adjunct non-dopaminergic treatments to Levodopa were shown to reduce and/or prevent dyskinesias. The aim of this stud...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2009.06.030
更新日期：2010-01-01 00:00:00
abstract：:This study shows that the selective GABAB antagonist CGP 35348 had no effect on body temperature in mice in doses up to 300 mg/kg i.p. However, the highest dose abolished the hypothermia induced by the GABAB agonist baclofen (10 mg/kg i.p.) but not that produced by the GABA-mimetic progabide (200 mg/kg i.p.); the benz...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(91)90018-7
更新日期：1991-05-01 00:00:00
abstract：:Under conditions in which NG-nitro-L-arginine (NOArg) treatment prevents morphine tolerance, NOArg induces a slow progressive inhibition of nitric oxide synthase (NOS), starting at approx. 20% after a single treatment and increasing to approx. 65% after 10 days. Studies designed to examine potential changes in NOS lev...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(94)90050-7
更新日期：1994-11-01 00:00:00
abstract：:The antagonist effects of the 4-carboxyphenylglycines: (S)-4-carboxy-3hydroxyphenylglycine (4C3HPG), (S)-4-carboxyphenylglycine (4CPG) and (+)-alpha-methyl-4-carboxyphenylglycine (M4CPG) were compared on functional responses of human metabotropic glutamate receptor (mGluR) subtypes mGluR1 alpha and mGluR5a. These rece...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(95)00069-i
更新日期：1995-08-01 00:00:00
abstract：:The release of substance P (SP) and two analogues by iontophoresis or pressure from microelectrodes was compared. Substance P was released linearly by iontophoresis from electrodes while no release of the analogues was detected. [N-methylphenylalanine8, N-methylglycine9-] SP5-11 (DiMeC7) and [methyl-2-aminoethyl]11 SP...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/0028-3908(83)90132-6
更新日期：1983-07-01 00:00:00
abstract：:GABAA and glycine receptors are close relatives in the "gene superfamily" of ligand-gated ion channels, but have distinctly different pharmacology. For example, barbiturates have two effects on GABAA receptors (GABAA-R): at low micromolar concentrations (2-5 microM), the anesthetic barbiturate methohexital potentiates...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/s0028-3908(96)00088-3
更新日期：1996-01-01 00:00:00
abstract：:Recently it has been reported that "I(f) channel blockers", which block the hyperpolarization-activated inward current (I(f)) in heart sino atrial node cells, also block the hyperpolarization-activated inward current (I(h)) in other tissues. Here we compared the effects of one of these agents, ZD7288 [4-(N-ethyl-N-phe...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/s0028-3908(99)00207-5
更新日期：2000-04-27 00:00:00
abstract：:Due in part to their rich behavioral repertoire rats have been widely used in behavioral studies of drug abuse-related traits for decades. However, the mouse became the model of choice for researchers exploring the genetic underpinnings of addiction after the first mouse study was published demonstrating the capabilit...
journal_title：Neuropharmacology
pub_type： 杂志文章
doi：10.1016/j.neuropharm.2013.05.047
更新日期：2014-01-01 00:00:00
