Abstract：
:This study sought to determine the potential role of nitric oxide (NO) in N-methyl-D-aspartate (NMDA)-stimulated efflux of [14C] gamma-aminobutyric acid (GABA) and [3H]acetylcholine from striatal slices in vitro. In Mg2+-free buffer, NMDA-stimulated [14C]GABA and [3H]acetylcholine release were inhibited by the guanylate cyclase inhibitor, 1 H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one (ODQ), and, to a lesser extent, by the nitric oxide synthase inhibitor, nitroarginine (N-Arg). Since reversal of catecholamine transporters previously has been implicated in the mechanism underlying NO-induced catecholamine release, we used the GABA transport inhibitor, 1-(2-(((diphenylmethylene)imino)oxy)ethyl)-1,2,5,6-tetrahydro-3-py ridine-carboxylic acid hydrochloride (NNC-711), to address the role of GABA transport in NArg-sensitive NMDA-induced release. NNC-711 inhibited NMDA-stimulated [14C]GABA efflux by 50%, confirming our previous report that NMDA-stimulated GABA release is partially dependent on reversal of the transporter. The effect of N-Arg in the presence of NNC-711 was similar to its effect in the absence of the transport inhibitor, suggesting that reversal of the transporter is not involved in the NO component of NMDA-stimulated [14C]GABA release. These data suggest that glutamatergic transmission through striatal NMDA receptors is partially mediated through activation of the NO/guanylate cyclase pathway and that this mechanism may contribute to the tetrodotoxin sensitivity of NMDA-induced release of GABA and acetylcholine in the striatum.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Hanania T,Johnson KMdoi
10.1016/s0014-2999(98)00636-0subject
Has Abstractpub_date
1998-10-23 00:00:00pages
111-7issue
2-3eissn
0014-2999issn
1879-0712pii
S0014-2999(98)00636-0journal_volume
359pub_type
杂志文章abstract：:We have investigated, by using the whole-cell patch-clamp technique, the Ca2+ channel antagonist properties of eliprodil in cultured cerebellar granule cells which are known to express L-, N-, P- as well as Q- and R-type Ca2+ channels. Eliprodil maximally antagonized 50% of the voltage-dependent Ba2+ current with an I...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(97)00141-6
更新日期：1997-04-04 00:00:00
abstract：:The efficacy of a novel, nonpeptidic, caspase 3/7-selective inhibitor, (S)-(+)-5-[1-(2-methoxymethylpyrrolidinyl)sulfonyl]isatin (MMPSI) for reducing ischemic injury in isolated rabbit hearts or cardiomyocytes was evaluated. MMPSI (0.1-10 microM) evoked a concentration-dependent reduction in infarct size (up to 56% vs...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(02)02484-6
更新日期：2002-12-05 00:00:00
abstract：:In the present study we investigated whether muscarinic receptors in human airway smooth muscle are coupled to phosphoinositide metabolism as a possible transduction mechanism of contraction. Using isolated bronchial smooth muscle preparations, we found that the muscarinic agonist methacholine caused a time- and conce...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90480-9
更新日期：1989-05-19 00:00:00
abstract：:SB203580 is the prototypical p38 MAPK inhibitor; however it cannot be used clinically due to liver toxicity. We developed a structural analogue of SB203580 - ML3403 - with equal in vitro and ex vivo p38alpha MAPK inhibition as SB203580, but with reduced activity towards liver cytochrome P450 enzymes. In addition, we d...
journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：2010-06-10 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(82)90061-9
更新日期：1982-05-21 00:00:00
abstract：:Our previous studies demonstrated the ability of exogenous agmatine to inhibit tolerance to and physical dependence on morphine in mice, rats and monkeys. The present study further evaluated the effect of agmatine on the psychological dependence induced by morphine in conditioned place preference assay. Agmatine (0.75...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2005.03.045
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journal_title：European journal of pharmacology
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doi：10.1016/j.ejphar.2013.01.054
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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更新日期：2001-02-23 00:00:00
abstract：:[3H]Zolpidem, a novel hypnotic drug possessing a chemical structure unrelated to that of benzodiazepine (BZD) was employed as a new ligand to determine its binding characteristics to membrane preparations of rat cerebral cortex and cerebellum. In both structures, the imidazopyridine [3H]zolpidem bound with high affini...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(86)90276-1
更新日期：1986-11-04 00:00:00
abstract：:The novel dopaminergic agents (+)- and (-)-3-PPP were evaluated for their effects upon thermoregulation in rats maintained at room temperature (approximately 22 degrees C). Although approximately 30 times less potent than apomorphine, (+)-3-PPP induced a clearcut, dose-dependent and haloperidol/pimozide-reversible hyp...
journal_title：European journal of pharmacology
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doi：10.1016/0014-2999(85)90254-7
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abstract：:The pharmacological properties of geissoschizine methyl ether, isolated from Uncaria sinensis Oliv., were analyzed in vitro and in vivo using mice central serotonin neurons. In the in vitro experiment, geissoschizine methyl ether inhibited [3H]8-hydroxy-2-(di-n-propylamino)tetralin) ([3H]8-OH-DPAT) (K(i)=0.8 microM), ...
journal_title：European journal of pharmacology
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更新日期：2001-08-17 00:00:00
abstract：:The influence of (+/-)-tamsulosin, a selective alpha 1A-adrenoceptor antagonist, on the positive inotropic effect and the accumulation of inositol phosphates that are induced via alpha 1-adrenoceptors was studied in comparison with that of another alpha 1A-adrenoceptor ligand oxymetazoline in the rabbit ventricular my...
journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：1996-10-03 00:00:00
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(86)90015-4
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(96)00819-9
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(96)00736-4
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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更新日期：1995-01-13 00:00:00
abstract：:7-chloro-5-(2-chlorophenyl)-1,5-dihydro-4,1-benzothiazepine-2(3H)-one (CGP-37157) inhibits mitochondrial Na(+)-Ca(2+) exchange. It is often used as an experimental tool for studying the role of the mitochondrial Na(+)-Ca(2+) exchanger in Ca(2+) signaling. Because the selectivity of CGP-37157 in adult cardiomyocytes ha...
journal_title：European journal of pharmacology
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doi：10.1016/j.ejphar.2006.09.013
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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abstract：:The development of selective corticotropin-releasing factor type-1 (CRF1) receptor antagonists represents a potential novel treatment for depression. These studies evaluated CRF1 receptor antagonists for antidepressant-like activity in mice. Subchronic dosing of both R 121919 (3-[6-(dimethylamino)-4-methyl-pyrid-3-yl]...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2004.07.091
更新日期：2004-09-19 00:00:00
abstract：:Na+-H+ exchange inhibitors may reduce myocardial damage after reperfusion. However, their effects on microvascular deterioration are not known. We examined the potency of a novel Na+-H+ exchange inhibitor, SM-20550 [ N-(Aminoiminomethyl)-1,4-dimethyl-1H-indole-2-carboxamide methanesulfonate], and its effects on microv...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00283-6
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：2016-10-15 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(99)00338-6
更新日期：1999-06-18 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(87)90387-6
更新日期：1987-12-15 00:00:00
abstract：:The effects of phencyclidine [1-(1-phenylcyclohexyl)-piperidine; PCP] on cardiac action potential duration (APD) were compared to those of some of its derivatives, in strips of isolated frog ventricular muscle perfused with normal Ringer solution. We studied compounds with PCP-like behavioral actions (N-ethyl-1-phenyl...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(83)90578-2
更新日期：1983-04-08 00:00:00
abstract：:Preclinical and clinical findings indicate that a GABA(B) receptor agonist baclofen decreases cocaine use. The present study investigated the effects of the GABA(B) receptor antagonist (2S)-(+)-5,5-dimethyl-2-morpholineacetic acid (SCH 50911), the agonists baclofen and 3-aminopropyl(methyl)phoshinic acid (SKF 97541) a...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.07.048
更新日期：2007-11-28 00:00:00
