Vagal mechanisms and the effect of indomethacin on bronchoconstrictor stimuli in the guinea-pig.

abstract：:1. The sulphonylureas, tolbutamide (0.1-10 mM) and glibenclamide (0.1-100 microM) shown not to inhibit ATP-K+ channel currents when applied to inside-out membrane patches excised from rat cultured cerebral cortex or freshly-dispersed ventromedial hypothalamic nucleus (VMHN) neurones. 2. Saturable binding sites for [3H...

journal_title：British journal of pharmacology

authors： Ashford ML,Boden PR,Treherne JM

更新日期：1990-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The aggregation of α-synuclein is connected to the pathology of Parkinson's disease and prolyl oligopeptidase (PREP) accelerates the aggregation of α-synuclein in vitro. The aim of this study was to investigate the effects of a PREP inhibitor, KYP-2047, on α-synuclein aggregation in cell lines ov...

journal_title：British journal of pharmacology

authors： Myöhänen TT,Hannula MJ,Van Elzen R,Gerard M,Van Der Veken P,García-Horsman JA,Baekelandt V,Männistö PT,Lambeir AM

更新日期：2012-06-01 00:00:00

abstract：:1. A quaternary derivative of (-)-hyoscyamine, phenthonium (Phen) induced a concentration-dependent increase in the rate of spontaneous quantal release of acetylcholine (ACh) at the mammalian neuromuscular junction, as shown by intracellular recordings of the miniature endplate potentials (m.e.p.ps) in rat diaphragm m...

journal_title：British journal of pharmacology

authors： Fann ML,Souccar C,Lapa AJ

更新日期：1990-07-01 00:00:00

abstract：:Two-state and operational models of both agonism and allosterism are compared to identify and characterize common pharmacological parameters. To account for the receptor-dependent basal response, constitutive receptor activity is considered in the operational models. By arranging two-state models as the fraction of ac...

journal_title：British journal of pharmacology

authors： Roche D,Gil D,Giraldo J

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Idiopathic pulmonary fibrosis (IPF) is a progressive fibro-proliferative disorder refractory to current therapy commonly complicated by the development of pulmonary hypertension (PH); the associated morbidity and mortality are substantial. Natriuretic peptides possess vasodilator and anti-fibroti...

journal_title：British journal of pharmacology

authors： Baliga RS,Scotton CJ,Trinder SL,Chambers RC,MacAllister RJ,Hobbs AJ

更新日期：2014-07-01 00:00:00

abstract：:1. Cumulative concentration-response curves (CRC) to prostaglandin E1 (PGE1), PGE2, PGD2 and PGF2alpha (0.01-30 microM) and to the thromboxane A2 (TXA2) receptor agonist U-46619 (0.01-30 microM) were constructed in human isolated detrusor muscle strips both in basal conditions and during electrical field stimulation. ...

journal_title：British journal of pharmacology

authors： Palea S,Toson G,Pietra C,Trist DG,Artibani W,Romano O,Corsi M

更新日期：1998-07-01 00:00:00

abstract：:Bovine culture endothelial cells (BAECs) generate platelet-activating factor (Paf) following activation by bradykinin (Bk 0.1 nM), the ionophore, A23187 (3 microM), and ATP (10 microM), but Paf is not released from the cells. These stimuli also elicit generation of prostacyclin (PGI2). The specific and competitive Paf...

journal_title：British journal of pharmacology

authors： Stewart AG,Dubbin PN,Harris T,Dusting GJ

更新日期：1989-03-01 00:00:00

abstract：:1. A new method for the estimation of 4-hydroxy-3-methoxyphenylethylamine (3-methoxytyramine) in brain tissue is described. This is based on the formation of a fluorescent derivative by oxidation with potassium ferricyanide in ammonium hydroxide solution.2. The effects of some drugs on the concentration of 3-methoxyty...

journal_title：British journal of pharmacology

authors： Guldberg HC,Sharman DF,Tegerdine PR

更新日期：1971-08-01 00:00:00

abstract：:The fate and activity of drugs are frequently dictated not only by the host per se but also by the microorganisms present in the gastrointestinal tract. The gut microbiome is known to, both directly and indirectly, affect drug metabolism. More evidence now hints at the effects that drugs can have on the function and c...

journal_title：British journal of pharmacology

authors： Walsh J,Griffin BT,Clarke G,Hyland NP

更新日期：2018-12-01 00:00:00

abstract：:1. The single-channel current recording technique has been used to investigate the effects of cromakalim, diazoxide and ATP, separately and combined, on the opening of ATP-sensitive potassium channels in the insulin-secreting cell-line RINm5F. The actions of these drugs have been studied using the permeabilized open-c...

journal_title：British journal of pharmacology

authors： Dunne MJ,Aspinall RJ,Petersen OH

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:An alteration in the communication between the innate and adaptive immune cells is a hallmark of ulcerative colitis (UC). Semaphorin-3E (SEMA3E), a secreted guidance protein, regulates various immune responses. EXPERIMENTAL APPROACH:We investigated the expression of SEMA3E in colonic biopsies of...

journal_title：British journal of pharmacology

authors： Kermarrec L,Eissa N,Wang H,Kapoor K,Diarra A,Gounni AS,Bernstein CN,Ghia JE

更新日期：2019-05-01 00:00:00

abstract：:1. The effects of some rapidly metabolized sympathomimetic amines, such as beta-phenylethylamine and p-tyramine, in eliciting hypertensive responses to reserpine in the anaesthetized rat, have been studied.2. Retardation of metabolism, by pretreatment with the monoamineoxidase inhibitors iproniazid or phenelzine, caus...

journal_title：British journal of pharmacology

authors： Cashin CH

更新日期：1972-02-01 00:00:00

abstract：:1. Salmeterol is a potent, selective and long acting beta 2-adrenoceptor agonist. In vitro, salmeterol exerts 'reassertion' relaxation of airways smooth muscle. Reassertion relaxation refers to the capacity of salmeterol to cause repeated functional antagonism of induced contraction when airway smooth muscle is interm...

journal_title：British journal of pharmacology

authors： Bergendal A,Lindén A,Skoogh BE,Gerspacher M,Anderson GP,Löfdahl CG

更新日期：1996-03-01 00:00:00

abstract：:1. The mechanisms of action of semotiadil fumarate, a novel Ca2+ antagonist, were examined by measuring the cytosolic Ca2+ level ([Ca2+]i) and force of contraction in porcine coronary arteries, and by determining [3H]-pyrilamine binding to bovine cerebellar membranes. 2. Semotiadil or verapamil (0.1 and 1 microM) inhi...

journal_title：British journal of pharmacology

authors： Kageyama M,Yanagisawa T,Taira N

更新日期：1995-03-01 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：:A dispersed rat anterior pituitary cell system has been used to investigate the effects of cyproheptadine and metergoline on prolactin secretion. Both drugs were potent inhibitors of prolactin secretion. However, the inhibition was not antagonized by either 5-hydroxytryptamine or a variety of dopamine antagonists. We ...

journal_title：British journal of pharmacology

authors： Besser GM,Delitala G,Grossman A,Yeo T

更新日期：1980-09-01 00:00:00

abstract：:Three genes encode the small-conductance Ca(2+)-activated K(+) channels (SK channels). We have stably expressed hSK1 and rSK2 in HEK 293 cells and addressed the pharmacology of these subtypes using whole-cell patch clamp recordings. The bee venom peptide apamin blocked hSK1 as well as rSK2 with IC(50) values of 3.3 nM...

journal_title：British journal of pharmacology

authors： Strøbaek D,Jørgensen TD,Christophersen P,Ahring PK,Olesen SP

更新日期：2000-03-01 00:00:00

abstract：:1. The ability of PD 128907 to activate dopamine receptors in the ventral tegmental area, substantia nigra pars compacta, and striatum was investigated by use of in vitro electrophysiological recording and fast cyclic voltammetry. The affinity of a novel D2 selective antagonist L-741,626 for receptors activated by thi...

journal_title：British journal of pharmacology

authors： Bowery BJ,Razzaque Z,Emms F,Patel S,Freedman S,Bristow L,Kulagowski J,Seabrook GR

更新日期：1996-12-01 00:00:00

abstract：:Chronic heart failure (HF) is characterized by left ventricular (LV) structural remodeling, impaired function, increased circulating noradrenaline (NA) levels and impaired responsiveness of the myocardial beta-adrenoceptor (betaAR)-adenylyl cyclase (AC) system. In failing hearts, inhibition of the sodium/proton-exchan...

journal_title：British journal of pharmacology

authors： Leineweber K,Aker S,Beilfuss A,Rekasi H,Konietzka I,Martin C,Heusch G,Schulz R

更新日期：2006-05-01 00:00:00

abstract：:1. Effects of KC399, an opener of ATP-sensitive K+ channels were investigated on membrane potential, isometric force and intracellular Ca2+ ([Ca2+]i) mobilization induced by acetylcholine (ACh) in smooth muscle from the rabbit trachea. 2. In these smooth muscle cells, ACh (0.1 and 1 microM) depolarized the membrane in...

journal_title：British journal of pharmacology

authors： Kamei K,Nabata H,Kuriyama H,Watanabe Y,Itoh T

更新日期：1995-08-01 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. The action of adrenaline on the K(+) balance of the isolated heart was found to depend on the ionic composition and the temperature of the perfusion fluids used.2. When the perfusion fluid contained 145 mM Na(+), 1.7 mM Ca(++) and 3-9 mM K(+), adrenaline caused the hearts to gain K(+); when the K(+) concentration w...

journal_title：British journal of pharmacology

authors： Stafford A

更新日期：1969-07-01 00:00:00

abstract：:Prostanoids, generated from cyclooxygenase (COX) isoenzymes, play a role in the physiological function of the lower urinary tract and are important mediators of inflammatory hyperalgesia. The present work evaluates the effects of the COX-1/COX-2 inhibitor dexketoprofen as well as of a selective COX-2 inhibitor, NS-398...

journal_title：British journal of pharmacology

authors： Lecci A,Birder LA,Meini S,Catalioto RM,Tramontana M,Giuliani S,Criscuoli M,Maggi CA

更新日期：2000-05-01 00:00:00

abstract：:1. Preparations were developed whereby the hypogastric ganglion of the rat or guinea-pig was perfused through its vasculature with saline solutions. Drugs were injected into the perfusion stream, and their effects were indicated by contractions of the vas deferens. The base of this organ could be ligated to prevent th...

journal_title：British journal of pharmacology

authors： Bentley GA

更新日期：1972-03-01 00:00:00

abstract：:1. The effects of dopamine on the L-type Ca2+ current (ICa,L) of both atrial and ventricular single myocytes and on the force of contraction of atrial trabeculae in rat heart were investigated. 2. Dopamine increased atrial ICa,L at concentrations higher than 1 microM, but had little or no effect on ICa,L at lower conc...

journal_title：British journal of pharmacology

authors： Zhao H,Matsuoka S,Fujioka Y,Noma A

更新日期：1997-08-01 00:00:00

abstract：:Aminobisphosphonates (aminoBPs) are potent inhibitors of bone resorption. However, they cause undesirable inflammatory reactions, including fever, in humans. Intraperitoneal injection of aminoBPs into mice also induces inflammatory reactions, including a prolonged elevation of the activity of the histamine-forming enz...

journal_title：British journal of pharmacology

authors： Yamaguchi K,Motegi K,Iwakura Y,Endo Y

更新日期：2000-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Antiretroviral (ARV) drugs activate pregnane X receptors and constitutive androstane receptors, increasing the risk of drug interactions due to altered drug metabolism and disposition. The closely related liver X receptors (LXRα/β), oestrogen receptors (ERα/β) and glucocorticoid receptor (GR) reg...

journal_title：British journal of pharmacology

authors： Svärd J,Blanco F,Nevin D,Fayne D,Mulcahy F,Hennessy M,Spiers JP

更新日期：2014-01-01 00:00:00

abstract：:The effects of high (20 mM) concentrations of caffeine were studied on the transmembrane voltage and currents in rat single ventricular myocytes by the whole cell configuration of the patch clamp technique. Rapid application of caffeine released Ca2+ from the sarcoplasmic reticulum and induced a Ni(2+)-sensitive trans...

journal_title：British journal of pharmacology

authors： Varro A,Hester S,Papp JG

更新日期：1993-08-01 00:00:00

abstract：:Platelet-activating factor (Paf) has been proposed as a mediator of the gastrointestinal damage in endotoxic shock. The formation of Paf in rat jejunal tissue, determined following extraction and bioassay on rabbit washed platelets has therefore been correlated with the induction of damage following endotoxin administ...

journal_title：British journal of pharmacology

authors： Whittle BJ,Boughton-Smith NK,Hutcheson IR,Esplugues JV,Wallace JL

更新日期：1987-09-01 00:00:00

abstract：:(1) UNC-49B and UNC-49C are gamma-aminobutyric acid (GABA) receptor subunits encoded by the Caenorhabditis elegans unc-49 gene. UNC-49B forms a homomeric GABA receptor, or can co-assemble with UNC-49C to form a heteromeric receptor. The pharmacological properties of UNC-49B homomers and UNC-49B/C heteromers were inves...

journal_title：British journal of pharmacology

authors： Bamber BA,Twyman RE,Jorgensen EM

更新日期：2003-03-01 00:00:00