Pressor responses induced by Bay K 8644 involve both release of adrenal catecholamines and calcium channel activation.

abstract：BACKGROUND AND PURPOSE:A non-psychoactive phytocannabinoid, cannabidiol (CBD), shows promising results as an effective potential antiepileptic drug in some forms of refractory epilepsy. To elucidate the mechanisms by which CBD exerts its anti-seizure effects, we investigated its effects at synaptic connections and on t...

journal_title：British journal of pharmacology

authors： Khan AA,Shekh-Ahmad T,Khalil A,Walker MC,Ali AB

更新日期：2018-06-01 00:00:00

abstract：:HMG-CoA reductase inhibitors (statins) have now become one of the most powerful pharmacological strategies in the treatment of cardiovascular diseases. Originally, the cardioprotective effects of statins were thought to be mediated through lipid lowering actions. However, it has now become increasingly clear that the ...

journal_title：British journal of pharmacology

authors： Calvert JW,Lefer DJ

更新日期：2006-10-01 00:00:00

abstract：:1. Short-circuit current (SCC) technique was used to study the adrenoceptors involved in the electrogenic chloride secretion by cultured cauda epididymal epithelium of rats. Stimulation of the epithelium with noradrenaline (primarily beta 1-adrenoceptor selective agonist), salbutamol (beta 2-adrenoceptor selective ago...

journal_title：British journal of pharmacology

authors： Leung AY,Yip WK,Wong PY

更新日期：1992-09-01 00:00:00

abstract：:1 Tegaserod (Zelnorm) is a potent 5-hydroxytryptamine4 (5-HT4) receptor agonist with clinical efficacy in disorders associated with reduced gastrointestinal motility and transit. The present study investigated the interaction of tegaserod with 5-HT2 receptors, and compared its potency in this respect to its 5-HT4 rece...

journal_title：British journal of pharmacology

authors： Beattie DT,Smith JA,Marquess D,Vickery RG,Armstrong SR,Pulido-Rios T,McCullough JL,Sandlund C,Richardson C,Mai N,Humphrey PP

更新日期：2004-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Due to their potent bronchodilator properties, beta(2)-adrenoceptor agonists are a mainstay of therapy in asthma. However, the effects of beta(2)-adrenoceptor agonists on inflammation are less clear. Accordingly, we have investigated the effects of beta(2)-adrenoceptor agonists on inflammatory me...

journal_title：British journal of pharmacology

authors： Holden NS,Rider CF,Bell MJ,Velayudhan J,King EM,Kaur M,Salmon M,Giembycz MA,Newton R

更新日期：2010-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In the sensorimotor (SM) and medial prefrontal (mPF) basal ganglia (BG) circuits, the cortical information is transferred to the substantia nigra pars reticulata (SNr) through the hyperdirect trans-subthalamic pathway and through the direct and indirect trans-striatal pathways. The cannabinoid CB...

journal_title：British journal of pharmacology

authors： Antonazzo M,Gutierrez-Ceballos A,Bustinza I,Ugedo L,Morera-Herreras T

更新日期：2019-04-01 00:00:00

abstract：:1. The rate of gastric emptying was measured directly in 14 convalescent hospital patients and paracetamol absorption was studied following an oral dose of 1.5 g.2. Rapid gastric emptying was associated with the early appearance of high peak plasma paracetamol concentrations whereas peak concentrations were low and oc...

journal_title：British journal of pharmacology

authors： Heading RC,Nimmo J,Prescott LF,Tothill P

更新日期：1973-02-01 00:00:00

abstract：:1. Dopamine is assumed to affect the ovary function after its conversion into noradrenaline (NA). 2. To study this bovine luteal slices from 11-14 days of the oestrous cycle were preincubated for 24 h to recover beta-receptors and next they were incubated for 1, 2 or 4 h with (a) different doses of dopamine; (b) dopam...

journal_title：British journal of pharmacology

authors： Kotwica J,Skarzynski D,Bogacki M,Miszkiel G

更新日期：1996-08-01 00:00:00

abstract：:1. Human epicardial coronary artery rings, freshly obtained from cardiac transplant patients, were examined for their responses to endothelium-derived relaxing factor (EDRF)-releasing agents. 2. Functional antagonism profoundly influenced relaxation responses in this tissue. Increasing force with concentrations of U46...

journal_title：British journal of pharmacology

authors： Stork AP,Cocks TM

更新日期：1994-12-01 00:00:00

abstract：:1. The effect of the nitro-derivative of aspirin, NCX4016, was assessed on ischaemic ventricular arrhythmias and myocardial infarct size in anaesthetized pigs in comparison to native aspirin. 2. Pigs were given aspirin (10 mg kg(-1); n=6), low dose NCX4016 (18.4 mg kg(-1); n=6) or high dose NCX4016 (60 mg kg(-1); n=7)...

journal_title：British journal of pharmacology

authors： Wainwright CL,Miller AM,Work LM,Del Soldato P

更新日期：2002-04-01 00:00:00

abstract：:1. 5-Hydroxytryptamine (5-HT) is known to produce a number of different effects in the gastrointestinal tract of various species, and has been proposed to play a key role in a number of intestinal disorders in man, including irritable bowel syndrome (IBS), although the receptors involved have yet to be established. Th...

journal_title：British journal of pharmacology

authors： Borman RA,Tilford NS,Harmer DW,Day N,Ellis ES,Sheldrick RL,Carey J,Coleman RA,Baxter GS

更新日期：2002-03-01 00:00:00

abstract：:1. Therapeutic doses of colistin sulphomethate sodium B.P. (Colomycin), pento-N sulphomethylpolymyxin B sodium (Thiosporin) and ampicillin B.P. (Penbritin) as well as normal saline have been given to volunteers with normal kidney function.2. A blind crossover technique was used and the effects of the compounds on bloo...

journal_title：British journal of pharmacology

authors： Caldwell AD,Martin AJ,Trigger DJ

更新日期：1969-09-01 00:00:00

abstract：:1 The concept that nitric oxide (NO) release can be beneficial in inflammatory conditions has raised more attention in the recent years, particularly with the development of nitric oxide-releasing anti-inflammatory drugs. There is considerable evidence that NO is capable of enhancing the anti-inflammatory benefits of ...

journal_title：British journal of pharmacology

authors： Hyun E,Bolla M,Steinhoff M,Wallace JL,Soldato PD,Vergnolle N

更新日期：2004-11-01 00:00:00

abstract：:1. Muscarinic receptors mediating contraction of the rat urinary bladder were characterized functionally in vitro by use of atropine, 4-diphenylacetoxy-N-methylpiperidine methiodide (4-DAMP methiodide), 4-diphenylacetoxy-N-(2-chloroethyl)-piperidine hydrochloride (4-DAMP mustard), hexahydro-sila-diphenidol hydrochlori...

journal_title：British journal of pharmacology

authors： Longhurst PA,Leggett RE,Briscoe JA

更新日期：1995-10-01 00:00:00

abstract：:1. In order to determine whether activation of adenosine triphosphate (ATP)-sensitive K+ channels exclusively explains the hypoxia- and ischaemia-induced action potential shortening, effects of tolbutamide and glibenclamide on changes in action potential duration (APD) during hypoxia, metabolic blockade or experimenta...

journal_title：British journal of pharmacology

authors： Nakaya H,Takeda Y,Tohse N,Kanno M

更新日期：1991-05-01 00:00:00

abstract：:1. ZENECA ZD7288 (4-(N-ethyl-N-phenylamino)-1,2-dimethyl-6-(methylamino) pyrimidinium chloride, formerly ICI D7288) is a novel sino-atrial node function modulator which selectively slows sinus node rate. Its effects on haemodynamic function have been studied in pentobarbitone anaesthetized dogs, in comparison with zat...

journal_title：British journal of pharmacology

authors： Rouse W,Johnson IR

更新日期：1994-11-01 00:00:00

abstract：:1. The electrophysiological effects of prazosin, a highly specific alpha 1-adrenoceptor antagonist, on transmembrane action potential characteristics were studied in guinea-pig papillary muscles. 2. At concentrations between 10(-6) M and 10(-5) M, prazosin produced a concentration-dependent decrease in the maximum ups...

journal_title：British journal of pharmacology

authors： Pérez O,Valenzuela C,Delpón E,Tamargo J

更新日期：1994-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The increased proliferation and migration of vascular smooth muscle cells (VSMCs) after arterial injury contributes greatly to the pathogenesis of neointimal hyperplasia. As a major component of epigenetics, histone methylation plays an important role in several cardiovascular diseases. However, ...

journal_title：British journal of pharmacology

authors： Liang J,Li Q,Cai W,Zhang X,Yang B,Li X,Jiang S,Tian S,Zhang K,Song H,Ai D,Zhang X,Wang C,Zhu Y

更新日期：2019-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Animal models of drug-seeking suggest that exposure to cues associated with self-administered drugs and drug primes might precipitate relapse via activation of central dopaminergic substrates. EXPERIMENTAL APPROACH:The effects of priming injections of dopamine and 5-HT agonists on drug-seeking a...

journal_title：British journal of pharmacology

authors： Schenk S,Gittings D,Colussi-Mas J

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In the setting of nitrate tolerance, endothelium-dependent relaxation is reduced in several types of peripheral vessels. However, it is unknown whether chronic in vivo administration of nitroglycerine modulates such relaxation in cerebral arteries. EXPERIMENTAL APPROACH:Isometric force and smoot...

journal_title：British journal of pharmacology

authors： Watanabe Y,Kusama N,Itoh T

更新日期：2008-01-01 00:00:00

abstract：:1. The present study addressed the role of neuropeptide (NPY) Y2 receptors in neurogenic contraction of mesenteric resistance arteries from female spontaneously hypertensive rats (SHR). Arteries were suspended in microvascular myographs, electrical field stimulation (EFS) was performed, and protein evaluated by Wester...

journal_title：British journal of pharmacology

authors： Gradin KA,Buus CL,Li JY,Frøbert O,Simonsen U

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Ajmaline is a widely used antiarrhythmic drug. Its action on voltage-gated ion channels in skeletal muscle is not well documented and we have here elucidated its effects on Na(+) and K(+) channels. EXPERIMENTAL APPROACH:Sodium (I(Na)) and potassium (I(K)) currents in amphibian skeletal muscle fi...

journal_title：British journal of pharmacology

authors： Friedrich O,V Wegner F,Wink M,Fink RH

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:N-arachidonoyl 5-HT (NA-5HT) has anti-nociceptive effects reported to be mediated by inhibitory actions at the transient receptor potential vanilloid receptor 1 (TRPV1) and fatty acid amide hydrolase (FAAH). Anandamide and N-arachidonoyl dopamine (NA-DA), endocannabinoids that activate TRPV1 or a...

journal_title：British journal of pharmacology

authors： Gilmore AJ,Heblinski M,Reynolds A,Kassiou M,Connor M

更新日期：2012-11-01 00:00:00

abstract：:The effects of 15-hydroperoxy metabolites of arachidonic acid on vascular tone were evaluated in the perfused mesenteric preparation, the isolated perfused lung and segments of pulmonary arteries of the rat. In the mesenteric preparation, precontracted with phenylephrine, both 15-hydroperoxy-5,8,11,13-eicosatetraenoic...

journal_title：British journal of pharmacology

authors： d'Alarcao M,Corey EJ,Cunard C,Ramwell P,Uotila P,Vargas R,Wroblewska B

更新日期：1987-07-01 00:00:00

abstract：:1 The venom of the green mamba, Dendroaspis angusticeps, was tested for effects on neuromuscular transmission and skeletal muscle contractility in isolated phrenic nerve-hemidiaphragm preparations of the rat and mouse, chick biventer cervicis muscle preparations and in aneural cultures of embryonic chick skeletal musc...

journal_title：British journal of pharmacology

authors： Barrett JC,Harvey AL

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：:1. The pharmacokinetic interaction between phenylbutazone and sulphadoxine has been studied in live sheep.2. Intravenous injection of phenylbutazone causes a rapid fall in the concentration of total sulphadoxine together with a simultaneous rise in the concentration of free sulphadoxine in plasma. Both processes are c...

journal_title：British journal of pharmacology

authors： McQueen EG,Wardell WM

更新日期：1971-10-01 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：:1. Electroconvulsive treatment (ECT) of rabbits produced ocular inflammation consisting of conjunctival hyperaemia, miosis and protein extravasation into the aqueous humour, reflected by the so-called aqueous flare response (AFR): the maximal reduction in pupil size was 3.8 +/- 0.1 mm (s.e. of mean, n = 16) while the ...

journal_title：British journal of pharmacology

authors： Wang ZY,Waldeck K,Grundemar L,Håkanson R

更新日期：1997-04-01 00:00:00

abstract：:1 Physiologically, perisinusoidal hepatic stellate cells (HSC) are quiescent and store retinoids. During liver injury and in cell culture, HSC transform into proliferating myofibroblast-like cells that express alpha-smooth muscle actin (alpha-sma) and produce excessive amounts of extracellular matrix. During transform...

journal_title：British journal of pharmacology

authors： Chi X,Anselmi K,Watkins S,Gandhi CR

更新日期：2003-06-01 00:00:00