The irreversible binding of acetylcholine mustard to muscarinic receptors in intestinal smooth muscle of the guinea-pig.

abstract：BACKGROUND AND PURPOSE:Many dementia patients exhibit behavioural and psychological symptoms (BPSD) that include psychosis, aggressivity, depression and anxiety. Antipsychotic drugs are frequently prescribed but fail to significantly attenuate mood deficits, may interfere with cognitive function and are associated with...

journal_title：British journal of pharmacology

authors： Kołaczkowski M,Mierzejewski P,Bieńkowski P,Wesołowska A,Newman-Tancredi A

更新日期：2014-02-01 00:00:00

abstract：:1. Heptaminol stopped or delayed the progressive decline in tension which characterizes the phenomenon of fatigue in frog isolated twitch muscle fibre. 2. Heptaminol had no action on the sodium, potassium and calcium voltage-dependent ionic conductances. 3. The hypothesis of an action via an internal alkalinization wa...

journal_title：British journal of pharmacology

authors： Allard B,Jacquemond V,Lemtiri-Chlieh F,Pourrias B,Rougier O

更新日期：1991-11-01 00:00:00

abstract：:The role of cyclo-oxygenase-1 (COX-1) and cyclo-oxygenase-2 (COX-2) in the upper urinary tract of the guinea-pig and rat was examined using simultaneous tension recordings of the proximal and distal regions of the renal pelvis and the ureter. The guinea-pig upper urinary tract contracted at a frequency (7.52+/-0.3 min...

journal_title：British journal of pharmacology

authors： Davidson ME,Lang RJ

更新日期：2000-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Adrenoceptors can associate with cardiac caveolae. To investigate the function of vascular caveolae, adrenoceptor-mediated effects were compared in the saphenous artery of caveolin-1 knockout (cav-1KO) and wild-type (WT) mice. EXPERIMENTAL APPROACH:Electronmicroscopy was used to detect caveolae....

journal_title：British journal of pharmacology

authors： Neidhold S,Eichhorn B,Kasper M,Ravens U,Kaumann AJ

更新日期：2007-02-01 00:00:00

abstract：:1 The present study comprised treatment of healthy male rats with Delta(9)-tetrahydrocannabinol (THC, 10 mg kg(-1), p.o.), and combinations of THC with benzoflavone moiety (BZF, 10 and 20 mg kg(-1), p.o.) isolated from Passiflora incarnata Linneaus, over a period of 30 days. 2 Upon 30-days chronic administrations, the...

journal_title：British journal of pharmacology

authors： Dhawan K,Sharma A

更新日期：2003-01-01 00:00:00

abstract：:1 In the isolated kidney of the rabbit perfused with oxygenated Tyrode solution, we studied the effect of bradykinin on the vasoconstriction evoked by sympathetic nerve stimulation (3Hz, 1 ms) and by injections of noradrenaline (50 to 75 ng) in the presence and in the absence of indomethacin (1 microgram/ml), an inhib...

journal_title：British journal of pharmacology

authors： Malik KU,Nasjletti A

更新日期：1979-10-01 00:00:00

abstract：:Rat vas deferens preparations became desensitized to the alpha 1-adrenoceptor antagonist thymoxamine: after 6 h in vitro, the t 1/2 value (time to attain half the occupancy of receptors occupied at equilibrium) of the response to this drug was 1.50 fold greater in control strips (strips exposed to thymoxamine at 6 h) ...

journal_title：British journal of pharmacology

authors： Onnen I

更新日期：1984-09-01 00:00:00

abstract：:The control of ligand-gated receptors with light using photochromic compounds has evolved from the first handcrafted examples to accurate, engineered receptors, whose development is supported by rational design, high-resolution protein structures, comparative pharmacology and molecular biology manipulations. Photoswit...

journal_title：British journal of pharmacology

authors： Bregestovski P,Maleeva G,Gorostiza P

更新日期：2018-06-01 00:00:00

abstract：:1. We have investigated the cellular target of K(+) channel blockers responsible for the inhibition of the EDHF-mediated relaxation in the rat mesenteric artery by studying their effects on tension, smooth muscle cell (SMC) membrane potential and endothelial cell Ca(2+) signal ([Ca(2+)](endo)). 2. In arteries contract...

journal_title：British journal of pharmacology

authors： Ghisdal P,Morel N

更新日期：2001-11-01 00:00:00

abstract：:1. Inositol phospholipid hydrolysis was examined in human cerebral cortex slices by a [3H]-inositol prelabelling assay. 2. Enhancement of [3H]-inositol phosphates accumulation was observed in the presence of carbachol, noradrenaline, histamine, 5-hydroxytryptamine (5-HT) and depolarizing concentrations of KCl. 3. Desp...

journal_title：British journal of pharmacology

authors： Kendall DA,Firth JL

更新日期：1990-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Patients with diabetes mellitus are reported to show a raised prevalence of mental disorders, which may be reflected in impaired social interaction. However, the mechanisms underlying such impairment in diabetes are unknown. EXPERIMENTAL APPROACH:The present study investigated whether social int...

journal_title：British journal of pharmacology

authors： Ueda D,Yonemochi N,Kamata T,Shibasaki M,Kamei J,Waddington JL,Ikeda H

更新日期：2021-02-01 00:00:00

abstract：:In intact mesenteric arteries, increasing [K(+)]o by 5 mM hyperpolarized both endothelial and smooth muscle cells. Subsequent exposure to 10 microM phenylephrine depolarized both cell types which were then repolarized by a 5 mM increase in [K(+)]o. In endothelium-denuded vessels, increasing [K(+)]o by 5 mM hyperpolari...

journal_title：British journal of pharmacology

authors： Richards GR,Weston AH,Burnham MP,Félétou M,Vanhoutte PM,Edwards G

更新日期：2001-09-01 00:00:00

abstract：:1. The effects of four specific inhibitors of 5-hydroxytryptamine (K-HT) uptake on morphine-, methadone- or pethidine-induced antinociception was studied in rats. Antinociception was assessed by means of hot plate (55 degrees C) reaction times. The effect of the compounds on the uptake of [3H]-5-HT into rat whole brai...

journal_title：British journal of pharmacology

authors： Sugrue MF

更新日期：1979-04-01 00:00:00

abstract：:1. In strips of human isolated detrusor muscle, the 5-hydroxytryptamine (5-HT) receptor (5-HT4) that mediates facilitation of neuromuscular cholinergic transmission was further characterized by using 5-HT and a series of ligands known for their 5-HT4 agonist (5-methoxytryptamine: 5-MeOT, cisapride, (R,S)-zacopride, BI...

journal_title：British journal of pharmacology

authors： Candura SM,Messori E,Franceschetti GP,D'Agostino G,Vicini D,Tagliani M,Tonini M

更新日期：1996-08-01 00:00:00

abstract：:In the mammalian CNS, glutamate is the major excitatory neurotransmitter. Ionotropic glutamate receptors (iGluRs) are responsible for the glutamate-mediated postsynaptic excitation of neurons. Regulation of glutamatergic synapses is critical for higher brain functions including neural communication, memory formation, ...

journal_title：British journal of pharmacology

authors： Hayashi T

更新日期：2020-03-11 00:00:00

abstract：:1. The distribution of sympathetic adrenergic nerves on the rat middle cerebral artery and on the arterioles which originated from it was determined by use of gloxylic histochemistry. 2. Whereas the middle cerebral artery and proximal arterioles arising from this artery received a sympathetic innervation, the distal r...

journal_title：British journal of pharmacology

authors： Edwards FR,Hards D,Hirst GD,Silverberg GD

更新日期：1989-04-01 00:00:00

abstract：:1 The beta-adrenoceptor agonist isoprenaline normally causes only a small and inconsistent increase in the membrane potential of cells in guinea-pig liver slices, in contrast to the large hyperpolarizations seen with alpha-agonists. However, after a selective alpha-adrenoceptor agonist has been applied, the response t...

journal_title：British journal of pharmacology

authors： Jenkinson DH,Koller K

更新日期：1977-01-01 00:00:00

abstract：:1: Prostaglandin H synthase-2 (PGHS-2), is an inducible enzyme involved in various inflammatory responses. We established here that interleukin-1beta (IL-1beta) but not tumour necrosis factor-alpha (TNF-alpha) increased its expression in human pulmonary microvascular endothelial cells (HPMEC). However, associated with...

journal_title：British journal of pharmacology

authors： Said FA,Werts C,Elalamy I,Couetil JP,Jacquemin C,Hatmi M

更新日期：2002-08-01 00:00:00

abstract：:1. The effects of diprafenone and propafenone on transmembrane action potential were examined and compared in papillary muscles and single ventricular myocytes isolated from guinea-pig hearts. 2. In papillary muscles, both diprafenone and propafenone > or = 10(-6) M caused a significant and dose-dependent decrease in ...

journal_title：British journal of pharmacology

authors： Kodama I,Suzuki R,Honjo H,Toyama J

更新日期：1992-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Pyrazole derivatives have recently been suggested as selective blockers of transient receptor potential cation (TRPC) channels but their ability to distinguish between the TRPC and Orai pore complexes is ill-defined. This study was designed to characterize a series of pyrazole derivatives in term...

journal_title：British journal of pharmacology

authors： Schleifer H,Doleschal B,Lichtenegger M,Oppenrieder R,Derler I,Frischauf I,Glasnov TN,Kappe CO,Romanin C,Groschner K

更新日期：2012-12-01 00:00:00

abstract：:1. Although extensively investigated, the extent of differences between receptors mediating negative inotropic and chronotropic responses is still unclear. In the present study atrial and intestinal muscarinic receptors were identified by [3H]-N-methyl-scopolamine ([3H]-NMS) binding and the affinities of some presumab...

journal_title：British journal of pharmacology

authors： Brunner F

更新日期：1989-06-01 00:00:00

abstract：:Intracellular potentials were recorded from rabbit atria, cardiac Purkinje cells and papillary muscles before and after exposure to various concentrations of indecainide. The effects of aprindine also were studied in the atrial preparations. Both drugs depressed the maximum rate of depolarization (MRD) in a dose-relat...

journal_title：British journal of pharmacology

authors： Dennis PD,Vaughan Williams EM

更新日期：1985-05-01 00:00:00

abstract：:1. The effect of prolonged anti-hypertensive drug treatment on the blood pressure of conscious spontaneously hypertensive rats (SH-rats), and of age-matched normotensive Sprague-Dawley rats was determined during the development of hypertension in SH-rats and in the early stages of established hypertension. A compariso...

journal_title：British journal of pharmacology

authors： Hamilton TC

更新日期：1975-08-01 00:00:00

abstract：:The effects of histamine and of H1- and H2-receptor agonists on the response to specific antigen were studied in isolated hearts taken from actively sensitized guinea-pigs. Histamine and H2-receptor agonists (dimaprit, impromidine) dose-dependently decrease the positive chronotropic and inotropic effects, and the seve...

journal_title：British journal of pharmacology

authors： Blandina P,Brunelleschi S,Fantozzi R,Giannella E,Mannaioni PF,Masini E

更新日期：1987-03-01 00:00:00

abstract：:1 Vasodilator responses to histamine, bradykinin and sympathetic nerve stimulation were elicited in the perfused paw of dogs treated with bretylium (15-20 mg/kg) and atropine. The H2-receptor blocking agent, burimamide, when administered in the dose of 5 mg/kg intravenously and 4 mg intra-arterially did not depress si...

journal_title：British journal of pharmacology

authors： Kraft E,Zimmerman BG

更新日期：1975-01-01 00:00:00

abstract：:1. This study examined the impact of allopurinol on the renal functional responses to a 30 min period of ischaemia in anaesthetized rats. 2. Immediately on reperfusion, blood pressure rose transiently, while renal blood flow remained stable throughout at control values. Glomerular filtration rate was decreased by some...

journal_title：British journal of pharmacology

authors： Hestin D,Johns EJ

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Hydrogen sulphide (H(2)S) is a labile, endogenous metabolite of cysteine, with multiple biological roles. The development of sulphide-based therapies for human diseases will benefit from a reliable method of quantifying H(2)S in blood and tissues. EXPERIMENTAL APPROACH:Concentrations of reactive...

journal_title：British journal of pharmacology

authors： Wintner EA,Deckwerth TL,Langston W,Bengtsson A,Leviten D,Hill P,Insko MA,Dumpit R,VandenEkart E,Toombs CF,Szabo C

更新日期：2010-06-01 00:00:00

abstract：:1. Intraplantar administration of the nitric oxide (NO) donor, sodium nitroprusside (SNP), induces hyperaemia in the rat paw skin, which is in part due to release of calcitonin gene-related peptide (CGRP) from afferent nerve fibres. The present study examined whether prostaglandins or other inflammatory mediators part...

journal_title：British journal of pharmacology

authors： Holzer P,Jocic M,Peskar BA

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Benzofurans are newly used psychoactive substances, but their pharmacology is unknown. The aim of the present study was to pharmacologically characterize benzofurans in vitro. EXPERIMENTAL APPROACH:We assessed the effects of the benzofurans 5-APB, 5-APDB, 6-APB, 6-APDB, 4-APB, 7-APB, 5-EAPB and ...

journal_title：British journal of pharmacology

authors： Rickli A,Kopf S,Hoener MC,Liechti ME

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Hydrogen sulphide reduces uterine contractility and is of potential interest as a treatment for uterine disorders. The aim of this study was to explore the mechanism of sodium sulphide (Na2 S)-induced relaxation of rat uterus, investigate the importance of redox effects and ion channel-mediated m...

journal_title：British journal of pharmacology

authors： Mijušković A,Kokić AN,Dušić ZO,Slavić M,Spasić MB,Blagojević D

更新日期：2015-07-01 00:00:00