A comparison of the haemodynamic effects of propranolol, 4-hydroxypropranolol and practolol in anaesthetized dogs.

abstract：:1 The effect of potassium channel opening compounds has been investigated in the smooth muscle of rabbit aorta under Ca-free conditions. Examination of the characteristics of the response has been performed using cromakalim as the prototype compound. 2 In order of potency, Ro 31-6930, cromakalim, minoxidil sulphate an...

journal_title：British journal of pharmacology

authors： Duty S,Weston AH

更新日期：1992-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Suramin is a clinically prescribed drug for treatment of human African trypanosomiasis, cancer and infection. It is also a well-known pharmacological antagonist of P2 purinoceptors. Despite its clinical use and use in research, the biological actions of this molecule are still incompletely unders...

journal_title：British journal of pharmacology

authors： Chi Y,Gao K,Zhang H,Takeda M,Yao J

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Tolerance induced by morphine and other opiates remains a major unresolved problem in the clinical management of pain. There is now good evidence for the importance of MAPKs in morphine-induced antinociceptive tolerance. A member of the MAPK kinase kinase family, TGF-β activated kinase 1 (TAK1) i...

journal_title：British journal of pharmacology

authors： Xu H,Xu T,Ma X,Jiang W

更新日期：2015-06-01 00:00:00

abstract：:In this study, the mechanism of nicotine-induced hippocampal acetylcholine (ACh) release in awake, freely moving rats was examined using in vivo microdialysis. Systemic administration of nicotine (0.4 mg kg(-1), s.c.) increased the levels of ACh in hippocampal dialysates. The nicotine-induced hippocampal ACh release w...

journal_title：British journal of pharmacology

authors： Reid RT,Lloyd GK,Rao TS

更新日期：1999-07-01 00:00:00

abstract：:1. The effect of the nootropic drug, piracetam on stress- and subsequent morphine-induced prolactin (PRL) secretion was investigated in vivo in male rats, by use of a stress-free blood sampling and drug administration method by means of a permanent indwelling catheter in the right jugular vein. 2. Four doses of pirace...

journal_title：British journal of pharmacology

authors： Matton A,Engelborghs S,Bollengier F,Finné E,Vanhaeist L

更新日期：1996-02-01 00:00:00

abstract：:1. Neurogenic responses to transmural electrical stimulation were examined in endothelium-denuded extrameningeal (vertebral and carotid) and intrameningeal (spinal, basilar and middle cerebral) arteries isolated from dogs. 2. In the extrameningeal arteries, transmural electrical stimulation produced a phasic contracti...

journal_title：British journal of pharmacology

authors： Kohno Y,Saito T,Saito H,Aoyama H,Nojyo Y,Kigoshi S,Muramatsu I

更新日期：1995-11-01 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

abstract：:1. Depolarization of rat cerebral cortical slices, prelabelled with [3H]-histidine, in high potassium (40 mM KCl) medium stimulated the release of [3H]-histamine. The K+-evoked release of [3H]-histamine was attenuated by incubation in calcium-free medium and prevented by prior incubation of brain slices with the selec...

journal_title：British journal of pharmacology

authors： Hill SJ,Straw RM

更新日期：1988-12-01 00:00:00

abstract：:Inhalation of cyclopropane in dogs, by the closed circuit method, for a fixed period, produced an emetic response during recovery from anaesthesia. Bilateral surgical ablation of the emetic chemoreceptor trigger zone of the area postrema rendered the dogs refractory to several times (3-6) the threshold emetic dose of ...

journal_title：British journal of pharmacology

authors： Badola RP,Bhargava KP,Dixit KS,Ratra CK

更新日期：1971-09-01 00:00:00

abstract：:1. The interactive effects of different metabotropic glutamate (mGlu) receptor subtypes to regulate phosphoinositide turnover have been studied in neonatal rat cerebral cortex and hippocampus by use of agonists and antagonists selective between group I and II mGlu receptors. 2, The group II-selective agonist 2R,4R-4-a...

journal_title：British journal of pharmacology

authors： Mistry R,Golding N,Challiss RA

更新日期：1998-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Orexins have been demonstrated to play important roles in many physiological processes. However, it is not known how orexin A affects the activity of the hypoglossal motoneuron (HMN) and genioglossus (GG) muscle. EXPERIMENTAL APPROACH:GG muscle electromyograms (GG-EMG) were recorded in anaesthet...

journal_title：British journal of pharmacology

authors： Zhang GH,Liu ZL,Zhang BJ,Geng WY,Song NN,Zhou W,Cao YX,Li SQ,Huang ZL,Shen LL

更新日期：2014-09-01 00:00:00

abstract：:The interaction of a new nonribose ligand (LUF5831) with the human adenosine A1 receptor was investigated in the present study. Radioligand binding experiments were performed in the absence and presence of diverse allosteric modulators on both wild-type (wt) and mutant (T277A) adenosine A1 receptors. Thermodynamic dat...

journal_title：British journal of pharmacology

authors： Heitman LH,Mulder-Krieger T,Spanjersberg RF,von Frijtag Drabbe Künzel JK,Dalpiaz A,IJzerman AP

更新日期：2006-03-01 00:00:00

abstract：:1. Exposure of depilated skin of guinea-pig to ultraviolet (u.v.) light for 20 s produces a prolonged inflammatory response.2. The erythaema becomes evident within 15-30 min after the exposure and progressively increases in intensity reaching its maximum by 4-6 hours. The erythaema persists over 24 hours.3. Increase i...

journal_title：British journal of pharmacology

authors： Gupta N,Levy L

更新日期：1973-02-01 00:00:00

abstract：:1 The actions of ethylenediamine (EDA) and structurally related compounds were investigated by microiontophoresis in Wistar rats. 2 EDA inhibited, via a bicuculline-sensitive mechanism, the spontaneous firing rate of all cortical and pallidal cells tested. 3 The results with the analogues suggest that two amine groups...

journal_title：British journal of pharmacology

authors： Perkins MN,Stone TW

更新日期：1982-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Metformin, a small molecule, antihyperglycaemic agent, is a well-known activator of AMP-activated protein kinase (AMPK) and protects against cardiac fibrosis. However, the underlying mechanisms remain elusive. TGFβ1 is a key cytokine mediating cardiac fibrosis. Here, we investigated the effects o...

journal_title：British journal of pharmacology

authors： Chen R,Feng Y,Wu J,Song Y,Li H,Shen Q,Li D,Zhang J,Lu Z,Xiao H,Zhang Y

更新日期：2018-04-01 00:00:00

abstract：:1. Selective antagonism of the cardiac beta(1)-adrenoceptors has been studied in normal human volunteers.2. Practolol and UK 6558 produced greater antagonism of the chronotropic and inotropic responses to i.v. isoprenaline than of the vasodilator response to either i.v. or intra-arterial isoprenaline. A third drug, M&...

journal_title：British journal of pharmacology

authors： Briant RH,Dollery CT,Fenyvesi T,George CF

更新日期：1973-09-01 00:00:00

abstract：:1. ICI D7114 is a novel, beta-adrenoceptor agonist which stimulates whole body oxygen consumption in conscious rats, cats and dogs and brown adipose tissue (BAT) activity in conscious rats. Treatment of rats with ICI D7114 stimulated oxygen consumption (ED50, 0.04 mg kg-1, p.o.) and BAT mitochondrial guanosine diphosp...

journal_title：British journal of pharmacology

authors： Holloway BR,Howe R,Rao BS,Stribling D,Mayers RM,Briscoe MG,Jackson JM

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Toll-like receptor 4 (TLR4) plays a key role in the induction of inflammatory responses both in peripheral organs and the CNS. Curcumin exerts anti-inflammatory functions by interfering with LPS-induced dimerization of TLR4-myeloid differentiation protein-2 (MD-2) complex and suppressing pro-infl...

journal_title：British journal of pharmacology

authors： Zusso M,Mercanti G,Belluti F,Di Martino RMC,Pagetta A,Marinelli C,Brun P,Ragazzi E,Lo R,Stifani S,Giusti P,Moro S

更新日期：2017-05-01 00:00:00

abstract：:1. The effects of the glycine/NMDA receptor antagonist, (+)-HA-966 on the neurochemical and behavioural responses to amphetamine have been determined in the mouse and rat. 2. In vehicle-treated control mice, (+)-HA-966 (30-100 mg kg-1) did not affect dopamine synthesis in either the nucleus accumbens or striatum and w...

journal_title：British journal of pharmacology

authors： Hutson PH,Bristow LJ,Thorn L,Tricklebank MD

更新日期：1991-08-01 00:00:00

abstract：:An attractive alternative to the use of direct agonists at the cannabinoid receptor type 1 (CB1) in the control of neuropathic pain may be to potentiate the actions of endogenous cannabinoids. Thus, the effects of AM404, an inhibitor of anandamide uptake, were assessed in an experimental model of neuropathic pain in r...

journal_title：British journal of pharmacology

authors： Costa B,Siniscalco D,Trovato AE,Comelli F,Sotgiu ML,Colleoni M,Maione S,Rossi F,Giagnoni G

更新日期：2006-08-01 00:00:00

abstract：:The present study examined the ability of the selective imidazoline I(2)-site ligands 2-(-2-benzofuranyl)-2-imidazoline (2-BFI) and 2-[4,5-dihydroimidaz-2-yl]-quinoline (BU224) and selected monoamine oxidase (MAO) inhibitors to evoke locomotor activity in rats bearing a lesion of the nigrostriatal pathway. Male Spragu...

journal_title：British journal of pharmacology

authors： Macinnes N,Duty S

更新日期：2004-12-01 00:00:00

abstract：:1. Effects of neuropeptides of the vasopressin family on Cl(-) secretion have not yet been reported in lung. Using the 16HBE14o- bronchial epithelial cell line, we investigated their action on Cl(-) secretion. 2. In symmetrical Cl(-) solutions, basolateral application of arginine vasotocin (AVT), oxytocin or isotocin ...

journal_title：British journal of pharmacology

authors： Bernard K,Bogliolo S,Ehrenfeld J

更新日期：2005-04-01 00:00:00

abstract：:Arthritis-associated inflammatory pain represents a serious medical problem worldwide. Current treatments for arthritic pain are not very effective and cause unwanted side effects. Resolvins, including the resolvin D and resolvin E series, are a family of novel endogenous lipid mediators derived from ω-3 polyunsaturat...

journal_title：British journal of pharmacology

authors： Xu ZZ,Ji RR

更新日期：2011-09-01 00:00:00

abstract：:The concentration of intracellular free Ca2+ ( [Ca2+]i) in human blood platelets was measured by use of the fluorescent probe quin-2. 5-Hydroxytryptamine (5-HT) caused a rapid increase of [Ca2+]i in the presence or absence of Ca2+ in the medium. The [Ca2+]i-rise was less marked in the absence of Ca2+ and could be anta...

journal_title：British journal of pharmacology

authors： Erne P,Pletscher A

更新日期：1985-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Calu-3 cells are derived from serous cells of human lung submucosal glands, a prime target for therapy in cystic fibrosis (CF). Calu-3 cells can be cultured to form epithelia capable of transepithelial transport of chloride. A CF Calu-3 cell is not available. EXPERIMENTAL APPROACH:A retroviral v...

journal_title：British journal of pharmacology

authors： MacVinish LJ,Cope G,Ropenga A,Cuthbert AW

更新日期：2007-04-01 00:00:00

abstract：:1 The reversible fatty acid amide hydrolase (FAAH) inhibitor OL135 reverses mechanical allodynia in the spinal nerve ligation (SNL) and mild thermal injury (MTI) models in the rat. The purpose of this study was to investigate the role of the cannabinoid and opioid systems in mediating this analgesic effect. 2 Elevated...

journal_title：British journal of pharmacology

authors： Chang L,Luo L,Palmer JA,Sutton S,Wilson SJ,Barbier AJ,Breitenbucher JG,Chaplan SR,Webb M

更新日期：2006-05-01 00:00:00

abstract：:In ring preparations of the rabbit external jugular vein contracted with the thromboxane-mimetic U-46619, submicromolar concentrations of 5-hydroxytryptamine (5-HT) and chemically related analogues produced relaxations that were dependent on the integrity of the vascular endothelium. The receptor mediating endothelium...

journal_title：British journal of pharmacology

authors： Leff P,Martin GR,Morse JM

更新日期：1987-06-01 00:00:00

abstract：:1. Calcium channel blockers increase cardiovascular morbidity and mortality in patients with left ventricular dysfunction. These adverse effects are probably related to the negative inotropic effect of calcium channel blockers and/or a neurohormonal activation. 2. The present study was designed to examine, in consciou...

journal_title：British journal of pharmacology

authors： Su J,Renaud N,Carayon A,Crozatier B,Hittinger L

更新日期：1994-10-01 00:00:00

abstract：:1. The role of nitic oxide (NO) derived from L-arginine in the regional vasodilator effects of endothelin-1 has been investigated in anaesthetized, spontaneously hypertensive (SH) rats in which autonomic reflexes were abolished by ganglion blockade. The experimental design incorporated animals infused with phenylephri...

journal_title：British journal of pharmacology

authors： Fozard JR,Part ML

更新日期：1992-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Inhalation of the superantigen,staphylococcal enterotoxin B (SEB), leads to the activation of the host T and invariant natural killer (iNK) T cells, thereby resulting in acute lung inflammation and respiratory failure but the underlying mechanism(s) of disease remain elusive, with limited treatme...

journal_title：British journal of pharmacology

authors： Rieder SA,Nagarkatti P,Nagarkatti M

更新日期：2012-11-01 00:00:00