Influence of chloralose and pentobarbitone sodium on atrioventricular conduction in dogs.

abstract：:1. The class III antiarrhythmic azimilide has previously been shown to inhibit I(Ks) and I(Kr) in guinea-pig cardiac myocytes and I(Ks) (minK) channels expressed in Xenopus oocytes. Because HERG channels underly the conductance I(Kr), in human heart, the effects of azimilide on HERG channels expressed in Xenopus oocyt...

journal_title：British journal of pharmacology

authors： Busch AE,Eigenberger B,Jurkiewicz NK,Salata JJ,Pica A,Suessbrich H,Lang F

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Human lung fibroblasts (HLF) express high levels of the LPA1 receptor, a GPCR that responds to the endogenous lipid mediator, lysophosphatidic acid (LPA). Several molecular species or analogues of LPA exist and have been detected in biological fluids such as serum and plasma. The most widely expr...

journal_title：British journal of pharmacology

authors： Sattikar A,Dowling MR,Rosethorne EM

更新日期：2017-02-01 00:00:00

abstract：:(1) Stimulation of the vanilloid receptor-1 (TRPV1) results in the activation of nociceptive and neurogenic inflammatory responses. Poor specificity and potency of TRPV1 antagonists has, however, limited the clarification of the physiological role of TRPV1. (2) Recently, iodo-resiniferatoxin (I-RTX) has been reported ...

journal_title：British journal of pharmacology

authors： Rigoni M,Trevisani M,Gazzieri D,Nadaletto R,Tognetto M,Creminon C,Davis JB,Campi B,Amadesi S,Geppetti P,Harrison S

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:5-HT(2B) receptors are localized within the myenteric nervous system, but their functions on motor/sensory neurons are unclear. To explore the role of these receptors, we further characterized the 5-HT(2B) receptor antagonist RS-127445 and studied its effects on peristalsis and defecation. EXPERIMENTAL APPR...

journal_title：British journal of pharmacology

authors： Bassil AK,Taylor CM,Bolton VJ,Gray KM,Brown JD,Cutler L,Summerfield SG,Bruton G,Winchester WJ,Lee K,Sanger GJ

更新日期：2009-09-01 00:00:00

abstract：:1 The influence of the epithelium on contractions produced by the peptidoleukotrienes, 5-hydroxytryptamine (5-HT) and the thromboxane mimetic, U-44069, was examined in trachea from control and ovalbumin-sensitized guinea-pigs. 2 In control tissues removal of the epithelium produced an approximately 2 to 4 fold leftwar...

journal_title：British journal of pharmacology

authors： Hay DW,Farmer SG,Raeburn D,Muccitelli RM,Wilson KA,Fedan JS

更新日期：1987-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The Rho GTPase, Rac1, is involved in the pathogenesis of neuropathic pain induced by malformation of dendritic spines in the spinal dorsal horn (sDH) neurons. In the present study, the contribution of spinal Rac1 to peripheral inflammatory pain was studied. EXPERIMENTAL APPROACH:Effects of s.c. ...

journal_title：British journal of pharmacology

authors： Wang Y,Lu YF,Li CL,Sun W,Li Z,Wang RR,He T,Yang F,Yang Y,Wang XL,Guan SM,Chen J

更新日期：2016-03-01 00:00:00

abstract：:1. The ability of the putative, selective post-junctional alpha 2-adrenoceptor antagonist, SK&F 104078 to antagonize the effects of structurally-diverse agonists at pre-junctional alpha 2-adrenoceptors in the guinea-pig ileum and rat vas deferens in vitro and in the rat heart in vivo, and at post-junctional alpha 2-ad...

journal_title：British journal of pharmacology

authors： Akers I,Coates J,Drew GM,Sullivan AT

更新日期：1991-04-01 00:00:00

abstract：:1. The mechanism by which neuropeptide Y (NPY) potentiates the vasoconstriction induced by alpha 1-adrenoceptor agonists was investigated in 3rd generation mesenteric arterioles of the rat. 2. At a maximally active concentration, nitrendipine (10(-6) M) displaced to the right the concentration-response curves to norad...

journal_title：British journal of pharmacology

authors： Andriantsitohaina R,Stoclet JC

更新日期：1990-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The function of transporters in peripheral blood mononuclear cells (PBMC) has been characterized, but less is known about cytochrome P450 (CYP) enzyme function in these cells. Given that cytokines are dysregulated in many diseases, the purpose of this work was to assess the impact of cytokines on...

journal_title：British journal of pharmacology

authors： Liptrott NJ,Penny M,Bray PG,Sathish J,Khoo SH,Back DJ,Owen A

更新日期：2009-02-01 00:00:00

abstract：:1. Bepridil (BPD) is a pharmacological compound able to bind to the Ca2+ sensor protein troponin C (TnC), which triggers skeletal muscle contraction upon Ca2+-binding. BPD can thereby modulate the Ca2+-affinity of this protein. 2. The Ca2+-sensitizing action of bepridil was investigated on slow and fast isoforms of Tn...

journal_title：British journal of pharmacology

authors： Kischel P,Stevens L,Mounier Y

更新日期：1999-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The effects of systemic treatment with indomethacin-loaded nanocapsules (IndOH-NC) were compared with those of free indomethacin (IndOH) in rat models of acute and chronic oedema. EXPERIMENTAL APPROACH:The following models of inflammation were employed: carrageenan-induced acute oedema (measured...

journal_title：British journal of pharmacology

authors： Bernardi A,Zilberstein AC,Jäger E,Campos MM,Morrone FB,Calixto JB,Pohlmann AR,Guterres SS,Battastini AM

更新日期：2009-10-01 00:00:00

abstract：:1. The role of nitric oxide in the coronary circulation under basal conditions and when exposed to various vasodilator stimuli was studied in instrumented, anaesthetized goats, by examining the action of inhibiting endogenous nitric oxide production with NG-nitro-L-arginine methyl ester (L-NAME). 2. In 12 goats, left ...

journal_title：British journal of pharmacology

authors： García JL,Fernández N,García-Villalón AL,Monge L,Gómez B,Diéguez G

更新日期：1992-07-01 00:00:00

abstract：:1. The effects of bretylium were investigated on purified Na,K-ATPase from guinea-pig heart and on the Na/K pump in trout erythrocytes, with a view to further identifying the mechanism(s) associated with its antiarrhythmic effects. 2. Na,K-ATPase activity of the thiocyanate-dispersed enzyme was determined by the measu...

journal_title：British journal of pharmacology

authors： Tiku PE,Nowell PT

更新日期：1991-12-01 00:00:00

abstract：:The binding of [3H]-iloprost (ZK36374) to NCB-20 membranes revealed a single population of high affinity receptors (KD = 9.55 nM, Bmax = 431 fmol mg-1 protein) and a low affinity, non-saturable binding component. Desensitization of prostacyclin-responsiveness of NCB-20 cells is induced by culture in the presence of th...

journal_title：British journal of pharmacology

authors： Leigh PJ,MacDermot J

更新日期：1985-05-01 00:00:00

abstract：:1 The appearance of pancreatic muscarinic receptors during development has been measured by use of the specific ligand [3H]-quinuclidinyl benzilate ([3H]-QNB). 2 QNB binding sites are present in foetal pancreas; their maximal concentration is attained at the age of 30 days and a significant decrease is observed in one...

journal_title：British journal of pharmacology

authors： Dumont Y,Larose L,Morisset J,Poirier GG

更新日期：1981-06-01 00:00:00

abstract：:1. The concentration-response curves for rate of mucus output, labelled-glycoprotein output and smooth muscle contraction in response to methacholine, phenylephrine and salbutamol were determined in the ferret trachea in vitro. 2. The potencies of methacholine and phenylephrine are both in order: smooth muscle contrac...

journal_title：British journal of pharmacology

authors： Kyle H,Widdicombe JG,Wilffert B

更新日期：1988-06-01 00:00:00

abstract：:Substance P and substance K (neurokinin A) (dose range: 0.08-80 nmol kg-1) were tested for their effects on gastrointestinal propulsion in the rat. The peptides were given by intraperitoneal injection concurrently with the intragastric administration of a test meal containing charcoal and 51Cr. Examination 3 min after...

journal_title：British journal of pharmacology

authors： Holzer P

更新日期：1985-09-01 00:00:00

abstract：:A well-known nitric oxide (NO)-releasing compound, sodium nitroprusside (SNP), decreases in a dose-dependent manner NO synthase (NOS) activity induced in rat neutrophils by treatment with lipopolysaccharide (LPS). This inhibitory action of SNP seems not to be due to its direct effect on the enzyme activity. The strong...

journal_title：British journal of pharmacology

authors： Mariotto S,Cuzzolin L,Adami A,Del Soldato P,Suzuki H,Benoni G

更新日期：1995-03-01 00:00:00

abstract：:1. To determine the possible role of Ca(2+)-activated K+ (KCa) channels in the regulation of resting tone of arteries from spontaneously hypertensive rats (SHR), the effects of agents which interact with these channels on tension and 86Rb efflux were compared in endothelium-denuded strips of carotid, femoral and mesen...

journal_title：British journal of pharmacology

authors： Asano M,Masuzawa-Ito K,Matsuda T

更新日期：1993-01-01 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. 1-3(Chlorophenyl)piperazine (mCPP) (5 mg kg-1, i.p.) inhibited 2 h food intake in rats previously deprived of food for one day. Ten 5-hydroxytryptamine (5-HT) antagonists given s.c. opposed this hypophagic response. Calculated ID50 values correlated significantly with reported affinities (r = 0.81, n = 10, P less t...

journal_title：British journal of pharmacology

authors： Kennett GA,Curzon G

更新日期：1991-08-01 00:00:00

abstract：:Low concentrations of several emetic, purgative or irritant drugs in the absence of added co-factors stimulated conversion of arachidonic acid to prostaglandin E2 and F2alpha by prostaglandin synthetase extracted from bull seminal vesicles (BSV prostaglandin synthetase). Their effect was dependent on concentration and...

journal_title：British journal of pharmacology

authors： Collier HO,McDonald-Gibson WJ,Saeed SA

更新日期：1976-10-01 00:00:00

abstract：:In CHO cells transfected with the rat dopamine D2 receptor (long isoform), administration of dopamine per se elicited a concentration-dependent increase in arachidonic acid (AA) release. The maximal effect was 197% of controls (EC50=25 nM). The partial D2 receptor agonist, (-)-(3-hydroxyphenyl)-N-n-propylpiperidine [(...

journal_title：British journal of pharmacology

authors： Nilsson CL,Hellstrand M,Ekman A,Eriksson E

更新日期：1998-08-01 00:00:00

abstract：:1. In order to define the electrophysiological mechanism(s) responsible for bradykinin (BK)-induced positive inotropic and chronotropic responses in isolated guinea-pig atria, effects of BK on the membrane currents were examined in isolated atrial cells using patch clamp techniques. 2. BK (0.1-1000 nM) increased the L...

journal_title：British journal of pharmacology

authors： Sakamoto N,Uemura H,Hara Y,Saito T,Masuda Y,Nakaya H

更新日期：1998-09-01 00:00:00

abstract：:Tannins are a heterogeneous group of high MW, water-soluble, polyphenolic compounds, naturally present in cereals, leguminous seeds and, predominantly, in many fruits and vegetables, where they provide protection against a wide range of biotic and abiotic stressors. Tannins exert several pharmacological effects, inclu...

journal_title：British journal of pharmacology

authors： Smeriglio A,Barreca D,Bellocco E,Trombetta D

更新日期：2017-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Bleomycin (BLM), one of the most common sclerosants, is often used to treat venous malformations (VMs). The present study was designed to investigate whether endothelial mesenchymal transition (EndoMT) contributes to the therapeutic effects of BLM. EXPERIMENTAL APPROACH:Endothelial and mesenchym...

journal_title：British journal of pharmacology

authors： Zhang W,Chen G,Ren JG,Zhao YF

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Selective and potent antagonists for the β(2) -adrenoceptor are potentially interesting as experimental and clinical tools, and we sought to identify novel ligands with this pharmacology. EXPERIMENTAL APPROACH:A range of pharmacological assays was used to assess potency, affinity, selectivity (β...

journal_title：British journal of pharmacology

authors： Hothersall JD,Black J,Caddick S,Vinter JG,Tinker A,Baker JR

更新日期：2011-09-01 00:00:00

abstract：:1. Ischaemic preconditioning (IP) protects the myocardium against irreversible ischaemic injury by activating protein kinase C (PKC). The mechanism by which PKC protects the myocardium is unknown. We have shown that PKC increases the activity of ecto-5'-nucleotidase (ecto-5'-N) and thereby the production of adenosine ...

journal_title：British journal of pharmacology

authors： Node K,Kitakaze M,Minamino T,Tada M,Inoue M,Hori M,Kamada T

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Inhibition of the T- and B-cell interaction through the CD40/CD40 ligand (L) axis is a favourable approach for inflammatory disease treatment. Clinical studies of anti-CD40L molecules in autoimmune diseases have met challenges because of thromboembolic events and adverse haemostasis. VIB4920 (for...

journal_title：British journal of pharmacology

authors： Nicholson SM,Casey KA,Gunsior M,Drabic S,Iverson W,Cook H,Scott S,O'Day T,Karanth S,Dixit R,Ryan PC

更新日期：2020-03-01 00:00:00

abstract：:(1) The effects on the whole-cell carbachol-induced muscarinic cationic current (mIcat) of antibodies against the alpha-subunits of various G proteins, as well as the effect of a Gbetagamma subunit, were studied in single guinea-pig ileal smooth muscle cells voltage-clamped at -50 mV. Ionized intracellular calcium con...

journal_title：British journal of pharmacology

authors： Yan HD,Okamoto H,Unno T,Tsytsyura YD,Prestwich SA,Komori S,Zholos AV,Bolton TB

更新日期：2003-06-01 00:00:00