Abstract：
:The effect of selective D1 receptor agonists on acetylcholine (ACh) release in the striatum was investigated using in vivo microdialysis. Administration of the reactive enantiomer, (+)-SKF 38393 (2, 10 mg/kg s.c.), doses which elevate grooming and sniffing behaviour, increased ACh release by 40 and 75%, respectively. Another D1 receptor agonist CY 204-283 (1 mg/kg s.c.) also produced a 75% increase in ACh output. The racemate (+/-)-SFK 38393 (20 mg/kg s.c.) increased ACh output by 60% and this was completely blocked by the D1 receptor antagonist SCH 23390 (0.3 mg/kg s.c.). In contrast, administration of the D2 receptor antagonist raclopride (1 mg/kg s.c.), 60 min after (+/-)-SKF 38393 (20 mg/kg s.c.), further increased ACh release. These results suggest that activation of D1 receptors increases ACh release in vivo and that D1 and D2 receptors have opposing roles in the regulation of striatal ACh release.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Damsma G,Tham CS,Robertson GS,Fibiger HCdoi
10.1016/0014-2999(90)90456-gsubject
Has Abstractpub_date
1990-09-21 00:00:00pages
335-8issue
2-3eissn
0014-2999issn
1879-0712pii
0014-2999(90)90456-Gjournal_volume
186pub_type
杂志文章abstract：:Persistent hyperglycemia increases a systemic oxidative stress, causing the onset of vascular endothelial dysfunction and atherosclerosis. Diallyl trisulfide (DAT), a natural organosulfur compound in garlic, has been reported to have actions of dilating blood vessels and antibacteria, etc. In this study, models of obe...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.01.010
更新日期：2014-02-15 00:00:00
abstract：:Despite ample in vitro evidence that myofilament Ca(2+)-responsiveness of stunned myocardium is decreased, in vivo data are inconclusive. Conversely, while Ca(2+)-sensitizing agents increase myofilament Ca(2+)-responsiveness in vitro, it has been questioned whether this also occurs in vivo. We therefore tested in open...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(00)00513-6
更新日期：2000-09-01 00:00:00
abstract：:COPD is a chronic lung disease characterized by persistent respiratory symptoms and airflow limitation due to airway and/or alveolar abnormalities. Furthermore, COPD is often characterized by extrapulmonary manifestations and comorbidities worsening COPD progression and quality of life. A neglected comorbidity in COPD...
journal_title：European journal of pharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.ejphar.2018.10.001
更新日期：2019-01-05 00:00:00
abstract：:The possibility of a role of hypothalamic growth hormone (GH)-releasing factor (GRF) in GH secretion induced by centrally administered galanin was investigated in freely moving male rats. Intracerebroventricular (i.c.v.) injection of synthetic galanin (0.4 or 2 micrograms/rat) elicited a dose-related increase in plasm...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(87)90316-5
更新日期：1987-04-29 00:00:00
abstract：:Recently, it has been suggested that bumetanide, an inhibitor of the Na-K-2Cl co-transporter (NKCC1), may be useful in the treatment of central nervous system (CNS) disorders. However, from a physicochemical perspective, bumetanide may not cross the blood-brain barrier to the extent that is necessary for it to be an e...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2015.12.001
更新日期：2016-01-05 00:00:00
abstract：:Sulfonylurea drugs exert their insulinotropic action by inhibiting ATP-sensitive potassium channels in the pancreas. However, these channels are also expressed in myocardial and vascular smooth muscle, implicating possible detrimental cardiovascular effects. Aim of the present study was to investigate the inhibitory p...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2012.02.006
更新日期：2012-04-15 00:00:00
abstract：:The effects of ketamine and barbiturates (pentobarbital, thiopental, methohexital) were studied in an isolated rabbit Langendorff preparation. All agents tested depressed contractility. Ketamine, as well as the lipophilic barbiturates (thiopental, methohexital), caused a relatively greater depression at higher pacing ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(79)90025-6
更新日期：1979-10-26 00:00:00
abstract：:Interleukin-8 is assumed to play a central role in the pathogenesis of psoriasis. Since an increased expression of the interleukin-8 receptor has been observed both in polymorphonuclear leukocytes and in affected psoriatic epidermis, we were interested in whether the interleukin-8 receptor could be a molecular target ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(94)90490-1
更新日期：1994-06-13 00:00:00
abstract：:A conditioned place preference paradigm was used to assess the potential rewarding properties of the uncompetitive NMDA receptor antagonist, MK-801 (dizolcipine), the two competitive NMDA receptor antagonists, CGP 37849 (DL-(E)-2-amino-4-methyl-5-phosphono-3-pentonoic acid) and its (R)-enantiomer CGP 40116, as well as...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(96)00747-9
更新日期：1996-12-19 00:00:00
abstract：:Terfenadine and astemizole rarely cause cardiac arrhythmias by suppressing the cardiac rapid delayed rectifier K+ channel encoded by the human ether-a-go-go-related gene (HERG). Epinastine, however, has not been reported to have the adverse effect. We have therefore compared the effects of epinastine, terfenadine and ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00375-1
更新日期：1999-06-25 00:00:00
abstract：:(-)-Epigallocatechin-3-gallate (EGCG), a main flavanol of green tea, potently suppressed the urokinase-type plasminogen activator (uPA) expression in human fibrosarcoma HT 1080 cells. EGCG induced not only the suppression of the uPA promoter activity but also the destabilization of uPA mRNA. EGCG inhibited the phospho...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2003.12.031
更新日期：2004-03-08 00:00:00
abstract：:Calcium ions are versatile and universal biological signaling factors that regulate numerous cellular processes ranging from cell fertilization, to neuronal plasticity that underlies learning and memory, to cell death. For these functions to be properly executed, calcium signaling requires precise regulation, and fail...
journal_title：European journal of pharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.ejphar.2013.11.012
更新日期：2014-09-15 00:00:00
abstract：:Lipopolysaccharide (LPS) increases inflammatory cytokines of the brain and deregulates the mitochondrial function, thus could increase the seizure susceptibility. Studies have shown that minocycline has neuroprotective and antioxidant properties. In this study, we aimed to evaluate the anticonvulsant properties of min...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2019.172446
更新日期：2019-09-05 00:00:00
abstract：:Phorbol esters reduce depolarization-evoked Ca2+ influx in adrenal chromaffin cells, suggesting that voltage-sensitive Ca2+ channels (VSCCs) are inhibited by protein kinase C-mediated phosphorylation. We now address the possibility that L- and P/Q-type Ca2+ channel subtypes might be differentially involved in phorbol ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(98)00908-x
更新日期：1999-02-05 00:00:00
abstract：:The purposes of the present study were to clarify whether some Cl(-) channels exist in rat pleural mesothelial cells, and to investigate functional and molecular characteristics of these channels. Electrophysiological recordings were performed at room temperature using the whole-cell configuration of the patch-clamp t...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2009.05.001
更新日期：2009-07-01 00:00:00
abstract：:The loss of cholinergic neurons and synapses relates to the severity of dementia in several neurodegenerative pathologies; and the vesicular acetylcholine transporter (VAChT) provides a reliable biomarker of cholinergic function. We recently characterized and (11)C-labeled a new VAChT inhibitor, (-)-TZ659. Here we rep...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2015.02.001
更新日期：2015-04-05 00:00:00
abstract：:Pulmonary hypertension is a progressive disease of various origins that is associated with right ventricular dysfunction. In the present study, the protective effect of diosgenin was investigated in monocrotaline-induced pulmonary hypertension in rats. Pulmonary hypertension was induced by a single subcutaneous inject...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.07.026
更新日期：2014-10-05 00:00:00
abstract：:Taurine influx in the perfused rat heart was characterized and the effect of isoproterenol on this process determined. Hearts were perfused by the Langendorff technique with [3H]-taurine in a non-recirculating system. The rate of taurine influx was constant for at least 20 min and the process was saturable. A Km of 45...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(78)90163-2
更新日期：1978-04-15 00:00:00
abstract：:Several antimalarial drugs are known to produce a QT interval prolongation via a blockade of the rapidly activating delayed rectifier K+ current (IKr), encoded by the human-ether-a-go-go-related gene (hERG). We investigated the influence of lumefantrine and its major metabolite desbutyl-lumefantrine, as well as halofa...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2003.11.003
更新日期：2004-01-19 00:00:00
abstract：:We investigated the effects of 7-nitroindazole, a specific inhibitor of neuronal nitric oxide (NO) synthase, on NO concentration and on blood flow in rat hippocampus after transient forebrain ischemia which was induced by 4-vessel occlusion for 10 min. NO concentration was measured directly by an NO-selective electrod...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00555-5
更新日期：1999-09-10 00:00:00
abstract：:Binding of the radioligand [125I]iodoclonazepam to three different areas of rat brain (cerebellum, hippocampus and striatum) has been characterised. In all three regions binding is rapid, saturable and of high affinity (cerebellum Bmax = 1.49 +/- 0.3 pmol/mg of protein, Kd = 0.39 +/- 0.06 nM; hippocampus Bmax = 1.5 +/...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(91)90484-8
更新日期：1991-04-03 00:00:00
abstract：:The effect of lidocaine on alpha 1-adrenoceptors in cultured neonatal rat ventricular cardiocytes was studied by binding assay. When the cells were cultured in the presence of lidocaine, the binding of (+/-)-beta-([125I]iodo-4-hydroxyphenyl)-ethyl-aminomethyl-tetralone to the cells increased in a concentration- and ti...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(95)00060-x
更新日期：1995-04-24 00:00:00
abstract：:Two clinically effective anticonvulsants, phenobarbitone and diazepam, protected 5-day old chicks against picrotoxin convulsions without reducing brain GABA-transaminase activity or raising brain GABA concentration. Ethanolamine-O-sulphate and amino-oxyacetic acid, in doses which inhibited GABA-transminase by at least...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(76)90359-9
更新日期：1976-11-01 00:00:00
abstract：:Although a number of studies have shown that perivascular adipose tissue (PVAT) attenuates arterial contraction through the release of perivascular-derived relaxation factors (PVRF), the role of PVAT in modulating venous function and its mechanism(s) remained unknown. Here we examined the role of PVAT in the modulatio...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2010.12.028
更新日期：2011-04-25 00:00:00
abstract：:The effects of histamine H(1) receptor antagonists (promethazine, diphenhydramine, chlorphenilamine and triprolidine) on hippocampal theta rhythm during eight-arm radial maze performance were investigated using rats. Promethazine showed a significant increase in the number of total errors and working memory errors at ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.08.020
更新日期：2007-12-08 00:00:00
abstract：:(-)Baclofen, a GABAB receptor agonist, and GABA attenuated by 60% the high K+-evoked 45Ca2+ uptake into cultured cerebellar granule cells with an EC50 of 110 +/- 18 nM and 2.4 +/- 0.2 microM, respectively. The attenuation by baclofen of 45Ca2+ uptake was stereospecific and the effect of GABA was unaffected by bicucull...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(87)90557-7
更新日期：1987-09-23 00:00:00
abstract：:Topical glucocorticoid treatment (betamethasone-17-valerate (0.018 mg/cm2, 3 h pretreatment) significantly inhibited neurogenic oedema formation induced by electrical antidromic stimulation (2 Hz, 15 V, 0.1 ms for 5 min) of the rat saphenous nerve; a response mediated by neuropeptides released from activated capsaicin...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(95)00350-t
更新日期：1995-09-05 00:00:00
abstract：:The vasodepressor actions of the cyclic endoperoxides PGG2 and PGH2 were compared with those of their products PGD2 and PGE2 using anaesthetised normotensive and genetically hypertensive rats. Given into the aortic arch of normotensives PGE2 was approximately 6 times more potent than PGH2 and 11 times more potent tha...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(76)90133-3
更新日期：1976-10-01 00:00:00
abstract：:Epidermal growth factor (EGF) (10-100 ng ml-1) induced a rapidly developing relaxation of precontracted rabbit mesenteric artery rings within 30 min of exposure. Indomethacin or protein synthesis inhibitors prevented or acutely reversed the effect of EGF on the preparation and an erbstatin analogue significantly reduc...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(94)90164-3
更新日期：1994-06-23 00:00:00
abstract：:Experiments were designed to determine whether or not ketanserin (R 41 468) antagonizes the augmentation by 5-hydroxytryptamine of contractions evoked in isolated arteries by non-adrenergic vasoconstrictor substances. Rings of rabbit femoral arteries were studied under isometric conditions in organ chambers filled wit...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(82)90130-3
更新日期：1982-02-05 00:00:00
