Inhibitory effect of sodium cromoglycate on pulmonary responses to histamine administered after indomethacin in anaesthetized guinea-pigs.

abstract：:1 The effects of a subconstrictor dose of histamine (9 x 10(-7) mol/l) on the responses of the isolated perfused ear artery of the rabbit to electrical stimulation (E.S.) and to exogenous noradrenaline (NA) were investigated.2 Both intraluminal (I/L) and extraluminal (E/L) histamine potentiated responses to E.S. and t...

journal_title：British journal of pharmacology

authors： Foldes A,Hall RC

更新日期：1979-11-01 00:00:00

abstract：:The ability of gamma-aminobutyric acid (GABA) to affect the release of [3H]-dopamine in rat brain synaptosomes prepared from corpus striatum, frontal cortex and hypothalamus and prelabelled with the radioactive catecholamine in the presence of desipramine was examined. GABA (10-300 microM) increased in a concentration...

journal_title：British journal of pharmacology

authors： Bonanno G,Raiteri M

更新日期：1987-05-01 00:00:00

abstract：:NO is a neurotransmitter released from enteric inhibitory neurons and responsible for modulating gastrointestinal (GI) motor behaviour. Enteric neurons express nNOS (NOS1) that associates with membranes of nerve varicosities. NO released from neurons binds to soluble guanylate cyclase in post-junctional cells to gener...

journal_title：British journal of pharmacology

authors： Sanders KM,Ward SM

更新日期：2019-01-01 00:00:00

abstract：:1. In decerebrated, non-spinalized rabbits, intrathecal administration of either of the selective 5-HT1A-receptor antagonists (S)WAY-100135 or WAY-100635 resulted in dose-dependent enhancement of the reflex responses of gastrocnemius motoneurones evoked by electrical stimulation of all myelinated afferents of the sura...

journal_title：British journal of pharmacology

authors： Clarke RW,Harris J,Houghton AK

更新日期：1996-11-01 00:00:00

abstract：:1. To determine the role of G protein-coupled receptor kinases (GRKs) in the regulation of endogenous secretin receptor responsiveness, we have transiently overexpressed both wild-type (WT) and dominant negative mutant (DNM) GRKs in NG108-15 mouse neuroblastoma x rat glioma hybrid cells and investigated the effects of...

journal_title：British journal of pharmacology

authors： Ghadessy RS,Willets JM,Kelly E

更新日期：2003-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The sodium channel is a primary target for treating central nervous system disorders such as epilepsy. In this study the anticonvulsant effect of BmK IT2, a sodium channel-specific neurotoxin, was evaluated in different animal models of epilepsy. EXPERIMENTAL APPROACH:Experiments were performed ...

journal_title：British journal of pharmacology

authors： Zhao R,Zhang XY,Yang J,Weng CC,Jiang LL,Zhang JW,Shu XQ,Ji YH

更新日期：2008-07-01 00:00:00

abstract：:The study investigated the role of endothelin (ET) and the ET receptor subtypes ET(A) and ET(B) in mediating longitudinal contraction in the mouse proximal and distal colon. Cumulative concentration-response curves to a range of ET agonists (ET-1, ET-2, ET-3, (Ala(1,3,11,13)) ET and IRL 1620) were established by admin...

journal_title：British journal of pharmacology

authors： Khan H,Naylor RJ,Tuladhar BR

更新日期：2006-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:While the slow delayed rectifier K(+) current (I(Ks)) is known to be enhanced by the stimulation of β-adrenoceptors in several mammalian species, phosphorylation-dependent regulation of the rapid delayed rectifier K(+) current (I(Kr)) is controversial. EXPERIMENTAL APPROACH:In the present study,...

journal_title：British journal of pharmacology

authors： Harmati G,Bányász T,Bárándi L,Szentandrássy N,Horváth B,Szabó G,Szentmiklósi JA,Szénási G,Nánási PP,Magyar J

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Pulmonary hypertension (PH) is a devastating disease characterized by increased pulmonary arterial pressure, which progressively leads to right-heart failure and death. A dys-regulated renin angiotensin system (RAS) has been implicated in the development and progression of PH. However, the role o...

journal_title：British journal of pharmacology

authors： Bruce E,Shenoy V,Rathinasabapathy A,Espejo A,Horowitz A,Oswalt A,Francis J,Nair A,Unger T,Raizada MK,Steckelings UM,Sumners C,Katovich MJ

更新日期：2015-05-01 00:00:00

abstract：:1 Neuroprotection has been reported after either activation or blockade of the group I metabotropic glutamate receptor subtype 5 (mGluR5). However, some recent evidence suggests that protection provided by mGluR5 antagonists may reflect their ability to inhibit N-methyl-D-aspartate (NMDA) receptor activity. 2 Here, in...

journal_title：British journal of pharmacology

authors： Lea PM 4th,Movsesyan VA,Faden AI

更新日期：2005-06-01 00:00:00

abstract：:1. The aim of the present experiments was to investigate the pharmacological action of a toxin from the spider Phoneutria nigriventer, Tx3-3, on the function of calcium channels that control exocytosis of synaptic vesicles. 2. Tx3-3, in confirmation of previous work, diminished the intracellular calcium increase induc...

journal_title：British journal of pharmacology

authors： Guatimosim C,Romano-Silva MA,Cruz JS,Beirão PS,Kalapothakis E,Moraes-Santos T,Cordeiro MN,Diniz CR,Gomez MV,Prado MA

更新日期：1997-10-01 00:00:00

abstract：:Rodent models of chronic pain may elucidate pathophysiological mechanisms and identify potential drug targets, but whether they predict clinical efficacy of novel compounds is controversial. Several potential analgesics have failed in clinical trials, in spite of strong animal modelling support for efficacy, but there...

journal_title：British journal of pharmacology

authors： Berge OG

更新日期：2011-10-01 00:00:00

abstract：:Serotonin 5-HT(7) receptors are present in astrocytes. Understanding their role in this type of cell would greatly benefit from the identification of astroglial cell lines expressing this receptor type. The aim of the present study was to assess the expression of native 5-HT(7) receptors and 5-HT(7) receptor mRNA in a...

journal_title：British journal of pharmacology

authors： Mahé C,Bernhard M,Bobirnac I,Keser C,Loetscher E,Feuerbach D,Dev KK,Schoeffter P

更新日期：2004-10-01 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. The effect of adenosine A1-receptor and P2-purinoceptor agonists on [3H]-inositol phosphate accumulation has been investigated in CHO-K1 cells transfected with the human adenosine A1-receptor. 2. Adenosine receptor agonists stimulated [3H]-inositol phosphate accumulation in CHO-K1 cells with a rank potency order of...

journal_title：British journal of pharmacology

authors： Megson AC,Dickenson JM,Townsend-Nicholson A,Hill SJ

更新日期：1995-08-01 00:00:00

abstract：:1. The purpose of this investigation was to determine whether enhanced contractile responses to noradrenaline (NA) of mesenteric arteries from rats with chronic streptozotocin-induced diabetes are associated with increases in mean cytosolic [Ca(2+)]i. 2. [Ca(2+)]i was measured with fura 2-AM, and was monitored simulta...

journal_title：British journal of pharmacology

authors： Chow WL,Zhang L,MacLeod KM

更新日期：2001-09-01 00:00:00

abstract：:The effects of 10 mM caffeine (CAF) on intramembrane charge movements (ICM) were studied in isolated guinea-pig ventricular heart cells with the whole-cell patch-clamp technique. In the presence of CAF, the properties (voltage dependence, maximum Q(ON) [Q(max)], availability with voltage) of Q(ON) charge activated fro...

journal_title：British journal of pharmacology

authors： Leroy J,Lignon JM,Gannier F,Argibay JA,Malécot CO

更新日期：2002-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Prefrontal dopamine release by the combined activation of 5-HT1A and sigma-1 (σ1 ) receptors is enhanced by the GABAA receptor antagonist picrotoxin in mice. Here, we examined whether this neurochemical event was accompanied by behavioural changes. EXPERIMENTAL APPROACH:Male mice were treated wi...

journal_title：British journal of pharmacology

authors： Hasebe S,Ago Y,Watabe Y,Oka S,Hiramatsu N,Tanaka T,Umehara C,Hashimoto H,Takuma K,Matsuda T

更新日期：2017-02-01 00:00:00

abstract：:1. Inhalational anaesthetics modulate ligand-gated ion channels at clinical concentrations. In this paper we address submolecular mechanisms for gamma-aminobutyric acid (GABA) receptor modulation by isoflurane. 2. Wild-type Drosophila melanogaster homo-oligomeric GABA receptors were characterized and compared with an ...

journal_title：British journal of pharmacology

authors： Edwards MD,Lees G

更新日期：1997-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Emesis is a multi-system reflex, which is usually investigated using in vivo models. The aim of the study is to compare the response induced by emetic compounds across species and investigate whether dogs, ferrets and rats are all similarly predictive of humans. EXPERIMENTAL APPROACH:A systemati...

journal_title：British journal of pharmacology

authors： du Sert NP,Holmes AM,Wallis R,Andrews PL

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Avoiding danger and finding food are closely related behaviours that are essential for surviving in a natural environment. Growing evidence supports an important role of gut-brain peptides in modulating energy homeostasis and emotional-affective behaviour. For instance, postprandial release of pa...

journal_title：British journal of pharmacology

authors： Verma D,Hörmer B,Bellmann-Sickert K,Thieme V,Beck-Sickinger AG,Herzog H,Sperk G,Tasan RO

更新日期：2016-06-01 00:00:00

abstract：:Burimamide, an H(2)-receptor blocking agent, has been shown capable of blocking the uptake and metabolism of [(14)C]-histamine, both in the guinea-pig isolated atrium and in murine neoplastic mast cells. This occurs even at concentrations far below the dose range capable of blocking the positive chronotropic effect of...

journal_title：British journal of pharmacology

authors： Fantozzi R,Mannaioni PF,Moroni F

更新日期：1973-10-01 00:00:00

abstract：:1 The effects of vinblastine and 6-hydroxydopamine (6-OHDA) on various parameters of adrenergic neurone functions in the rat were examined and compared.2 During the first 12 h after injection of vinblastine, although the concentration of cardiac noradrenaline was unaltered, the turnover rate of the catecholamine in th...

journal_title：British journal of pharmacology

authors： Hanbauer I,Jacobowitz DM,Kopin IJ

更新日期：1974-02-01 00:00:00

abstract：:1. The intravenous infusion of I.C.I. 50172 in doses up to 20 mg reduced, although not significantly, the increase in heart rate produced by the infusion of isoprenaline in healthy volunteers; the response to adrenaline was significantly reduced. The infusion of 1 mg propranolol abolished these responses2. After the p...

journal_title：British journal of pharmacology

authors： Brick I,Hutchison KJ,McDevitt DG,Roddie IC,Shanks RG

更新日期：1968-09-01 00:00:00

abstract：:1. The present study has compared the relative anti-aggregatory effect of various compounds which interfere with thromboxane (Tx) A2-dependent aggregation of human platelets in whole blood in vitro. These included the cyclo-oxygenase inhibitor aspirin, the TxA2 synthase inhibitor dazoxiben, the TxA2 (TP-) receptor blo...

journal_title：British journal of pharmacology

authors： Watts IS,Wharton KA,White BP,Lumley P

更新日期：1991-02-01 00:00:00

abstract：:1. Photoactivated mechanical responses that resulted from exposure to 3-NO2-1,4-dihydropyridines (3-NO2-DHP5) or NO-donors were examined in rat isolated oesophageal smooth muscle with a view to determining the role of calcium and cyclic GMP. 2. Isometric contractile force was recorded in preparations bathed in normal ...

journal_title：British journal of pharmacology

authors： Martin-Caraballo M,Triggle CR,Bieger D

更新日期：1995-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Inhaled corticosteroids (ICS) are the cornerstone of asthma pharmacotherapy and, acting via the glucocorticoid receptor (GR), reduce inflammatory gene expression. While this is often attributed to a direct inhibitory effect of the GR on inflammatory gene transcription, corticosteroids also induce...

journal_title：British journal of pharmacology

authors： Kelly MM,King EM,Rider CF,Gwozd C,Holden NS,Eddleston J,Zuraw B,Leigh R,O'Byrne PM,Newton R

更新日期：2012-03-01 00:00:00

abstract：:1. Des-Arg9 bradykinin (DAB), a classical B1-kinin receptor agonist was without effect when applied to the basolateral surface of rat isolated colon epithelium. Three hours after tissues were isolated DAB caused, after a delay of up to 2 min, a maintained increase of short circuit current (SCC). 2. The SCC increase in...

journal_title：British journal of pharmacology

authors： Teather S,Cuthbert AW

更新日期：1997-07-01 00:00:00

abstract：:1 We have investigated the effects of platelet-activating factor (PAF), an endogenous mediator of inflammation, on ion transport and prostaglandin synthesis in the human isolated colon. 2 Application of PAF to the serosal surface of human colonic mucosa induced a marked, concentration-dependent increase in ion transpo...

journal_title：British journal of pharmacology

authors： Borman RA,Jewell R,Hillier K

更新日期：1998-01-01 00:00:00

abstract：:1. In the presence of indomethacin (IM, 10 microM) and N omega-nitro-L- arginine (L-NOARG, 0.3 mM), acetylcholine (ACh) induces an endothelium-dependent smooth muscle hyperpolarization and relaxation in the rat isolated hepatic artery. The potassium (K) channel inhibitors, tetrabutylammonium (TBA, 1 mM) and to a lesse...

journal_title：British journal of pharmacology

authors： Zygmunt PM,Högestätt ED

更新日期：1996-04-01 00:00:00