Cyclic adenosine 3',5'-monophosphate and leucocyte chemotaxis in vivo.

abstract：BACKGROUND AND PURPOSE:Up-regulation of thioredoxin interacting protein (TXNIP), an endogenous inhibitor of thioredoxin (Trx), compromises cellular antioxidant and anti-apoptotic defences and stimulates pro-inflammatory cytokines expression, implying a role for TXNIP in apoptosis. Here we have examined the causal role ...

journal_title：British journal of pharmacology

authors： Al-Gayyar MM,Abdelsaid MA,Matragoon S,Pillai BA,El-Remessy AB

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Lysophosphatidylinositol (LPI), a lipid signalling molecule, activates GPR55 and elevates intracellular Ca(2+). Here, we examine the actions of LPI in the rat resistance mesenteric artery and Ca(2+) responses in endothelial cells isolated from the artery. EXPERIMENTAL APPROACH:Vascular responses...

journal_title：British journal of pharmacology

authors： AlSuleimani YM,Hiley CR

更新日期：2015-06-01 00:00:00

abstract：:1--Responses (relaxation) to the beta-adrenoceptor agonists, isoprenaline, fenoterol or noradrenaline, were obtained on cat tracheal preparations contracted with a submaximal concentration of carbachol (0.5 microM). 2--The relative potencies of isoprenaline: fenoterol: noradrenaline were 100:8.1:10.7. From this, it wa...

journal_title：British journal of pharmacology

authors： O'Donnell SR,Wanstall JC

更新日期：1983-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Histamine modulates several behaviours and physiological functions, and its deficiency is associated with neuropsychiatric disorders. Gestational intake of valproic acid (VPA) is linked to autism spectrum disorder (ASD), characterized by impaired sociability and stereotypies. VPA effects on the n...

journal_title：British journal of pharmacology

authors： Baronio D,Puttonen HAJ,Sundvik M,Semenova S,Lehtonen E,Panula P

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Transient receptor potential melastatin 3 (TRPM3) proteins form non-selective but calcium-permeable membrane channels, rapidly activated by extracellular application of the steroid pregnenolone sulphate and the dihydropyridine nifedipine. Our aim was to characterize the steroid binding site by an...

journal_title：British journal of pharmacology

authors： Drews A,Mohr F,Rizun O,Wagner TF,Dembla S,Rudolph S,Lambert S,Konrad M,Philipp SE,Behrendt M,Marchais-Oberwinkler S,Covey DF,Oberwinkler J

更新日期：2014-02-01 00:00:00

abstract：:1. It was postulated that swelling dependent chloride channels are involved in the proton secretion of parietal cells. Since omeprazole, lansoprazole and its acid activated sulphenamide form AG2000 are structurally related to phenol derivatives known to block swelling dependent chloride channels, we set out to test, w...

journal_title：British journal of pharmacology

authors： Schmarda A,Dinkhauser P,Gschwentner M,Ritter M,Fürst J,Scandella E,Wöll E,Laich A,Rossmann H,Seidler U,Lang F,Paulmichl M

更新日期：2000-02-01 00:00:00

abstract：:5-Hydroxytryptamine(1B/1D) (5-HT(1B/1D)) receptor coupling to contraction was investigated in endothelium-denuded rabbit isolated renal arteries, by simultaneously measuring tension and intracellular [Ca(2+)], and tension in permeabilized smooth muscle cells. In intact arterial segments, 1 nM - 10 microM 5-HT failed t...

journal_title：British journal of pharmacology

authors： Hill PB,Dora KA,Hughes AD,Garland CJ

更新日期：2000-06-01 00:00:00

abstract：:1 A study was made of desensitization in chronically denervated and in normally innervated mouse soleus muscles. 2 Very high concentrations of acetylcholine produced small contractions of the innervated muscles; these were reduced in size when the addition was repeated 1 min after wash-out. 3 Desensitization in innerv...

journal_title：British journal of pharmacology

authors： Hall MT,Maleque MA,Wadsworth RM

更新日期：1975-09-01 00:00:00

abstract：:1. We investigated whether K(+) can act as an endothelium-derived hyperpolarizing factor (EDHF) in isolated small renal arteries of Wistar-Kyoto rats. 2. Acetylcholine (0.001 - 3 microM) caused relaxations that were abolished by removal of the endothelium. However, acetylcholine-induced relaxations were not affected b...

journal_title：British journal of pharmacology

authors： Jiang F,Dusting GJ

更新日期：2001-04-01 00:00:00

abstract：:1. In the anaesthetized dog bombesin had a potent antidiuretic effect, and sometimes arrested urine flow completely. Threshold doses, by i.v. infusion, were of the order of 0.5-1 (ng/kg)/minute. Antidiuresis was the result of a reduction in glomerular filtration rate provoked by a fall in intraglomerular hydrostatic p...

journal_title：British journal of pharmacology

authors： Erspamer V,Melchiorri P,Sopranzi N

更新日期：1973-07-01 00:00:00

abstract：:1. Two quinozalinediones, FG9041 and FG9065, which had previously been shown to displace binding to the quisqualate receptor, were tested on rat neocortex and frog spinal cord in vitro against depolarizations induced by quisqualate, kainate and N-methyl-D-aspartate (NMDA). In both preparations effects of quisqualate w...

journal_title：British journal of pharmacology

authors： Fletcher EJ,Martin D,Aram JA,Lodge D,Honoré T

更新日期：1988-10-01 00:00:00

abstract：:We examined whether a specific aminopeptidase P (APP) inhibitor, apstatin, increases vasodepressor responses to bradykinin in anaesthetized rats, and whether it would augment blood pressure responses further after treatment with the angiotensin-converting enzyme inhibitor (ACEi), lisinopril. Apstatin doubled the maxim...

journal_title：British journal of pharmacology

authors： Kitamura S,Carbini LA,Carretero OA,Simmons WH,Scicli AG

更新日期：1995-01-01 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：UNLABELLED:Alzheimer's disease (AD) is accepted nowadays as a complex neurodegenerative disorder with multifaceted cerebral pathologies, including extracellular deposition of amyloid β peptide-containing plaques, intracellular neurofibrillary tangles, progressive loss of cholinergic neurons, metal dyshomeostasis, mitoc...

journal_title：British journal of pharmacology

authors： Weinreb O,Amit T,Bar-Am O,Youdim MB

更新日期：2016-07-01 00:00:00

abstract：:1. It has previously been shown that the hypoglycaemic drug (-)-AZ-DF-265 stimulates insulin release from mouse islets; in the presence of 3 mM glucose it also inhibits 86Rb-efflux from 86Rb-loaded islets. Based on these data we tested the hypothesis that (-)-AZ-DF-265 inhibits ATP-sensitive potassium channels. 2. We ...

journal_title：British journal of pharmacology

authors： Ronner P,Hang TL,Kraebber MJ,Higgins TJ

更新日期：1992-06-01 00:00:00

abstract：:1. We investigated how microsomal cytochrome P450 mono-oxygenase (Cyp450 MO) is regulated in cultured porcine aortic endothelial cells. The hypothesis that a Cyp450 MO-derived metabolite links Ca2+ store depletion and Ca2+ entry was studied further. 2. Microsomal Cyp450 MO was monitored fluorometrically by dealkylatio...

journal_title：British journal of pharmacology

authors： Hoebel BG,Kostner GM,Graier WF

更新日期：1997-08-01 00:00:00

abstract：:1. The inhibitory effects of sodium nitroprusside (SNP), a nitric oxide (NO) donor, on mean arterial pressure (MAP) responses to NG-nitro-L-arginine (L-NNA) (NO synthase inhibitor), angiotensin II (AII) and noradrenaline (NA) were compared with those of pinacidil (KATP channel opener) and nifedipine (L-type calcium an...

journal_title：British journal of pharmacology

authors： Wang YX,Zhou T,Pang CC

更新日期：1993-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In addition to typical GPCR kinase (GRK)-/β-arrestin-dependent internalization, dopamine D3 receptor employed an additional GRK-independent sequestration pathway. In this study, we investigated the molecular mechanism of this novel sequestration pathway. EXPERIMENTAL APPROACH:Radioligand binding...

journal_title：British journal of pharmacology

authors： Min C,Zheng M,Zhang X,Caron MG,Kim KM

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Subunit-specific modulators of gamma-aminobutyric acid (GABA) type A (GABA(A)) receptors can help to assess the physiological function of receptors with different subunit composition and also provide the basis for the development of new drugs. Valerenic acid (VA) was recently identified as a beta...

journal_title：British journal of pharmacology

authors： Khom S,Strommer B,Ramharter J,Schwarz T,Schwarzer C,Erker T,Ecker GF,Mulzer J,Hering S

更新日期：2010-09-01 00:00:00

abstract：:1. Acetylcholine (ACh)-induced relaxation of aortic strips with endothelium and production of cyclic GMP between streptozotocin-induced diabetic and age-matched control rats were compared. 2. The concentration-response curve for ACh-induced relaxation was shifted to the right in diabetic rats. IC50 values for ACh were...

journal_title：British journal of pharmacology

authors： Kamata K,Miyata N,Kasuya Y

更新日期：1989-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Postsystolic wall thickening (PSWT) is part of thickening that occurs after end-systole and represents wasted effort as it does not contribute to ejection. The effects of antianginal drugs on PSWT remain to be established. We compared the effects on PSWT of two agents that reduce heart rate, the ...

journal_title：British journal of pharmacology

authors： Lucats L,Ghaleh B,Colin P,Monnet X,Bizé A,Berdeaux A

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:This paper is intended to assist pharmacologists to make the most of statistical analysis and in avoid common errors. APPROACH:A scenario is presented where an experimenter performed an experiment to test the effects of two drugs on cultured cells. Analysis of the results, expressed as percentag...

journal_title：British journal of pharmacology

authors： Lew M

更新日期：2007-10-01 00:00:00

abstract：:1 delta'-trans-Tetrahydrocannabinol (THC) is more active orally in mice than previously thought, as cataleptic responses occur at doses from 0.06 mg/kg upwards, with peak activity at 2 to 4 h after dosing. These doses and peaks correspond well with the effects in man. 2 Comparison with chlorpromazine in mice shows tha...

journal_title：British journal of pharmacology

authors： Fairbairn JW,Pickens JT

更新日期：1979-11-01 00:00:00

abstract：:Since December 2019 SARS-Cov-2 was found responsible for the disease COVID-19, which has spread worldwide. No specific therapies/vaccines are yet available for the treatment of COVID-19. Drug repositioning may offer a strategy and a number of drugs have been repurposed, including lopinavir/ritonavir, remdesivir, favip...

journal_title：British journal of pharmacology

authors： Scavone C,Brusco S,Bertini M,Sportiello L,Rafaniello C,Zoccoli A,Berrino L,Racagni G,Rossi F,Capuano A

更新日期：2020-11-01 00:00:00

abstract：:1. The effect of ondansetron, a selective 5-hydroxytryptamine3 (5-HT3) receptor antagonist, was studied in morphine-addicted rats. Morphine-dependence and tolerance, induced by drinking increasing concentrations of morphine sulphate in 5% sucrose solution for 3 weeks, were demonstrated by the naloxone-precipitated wit...

journal_title：British journal of pharmacology

authors： Hui SC,Sevilla EL,Ogle CW

更新日期：1996-06-01 00:00:00

abstract：:The relaxin family peptides, although structurally closely related to insulin, act on a group of four G protein-coupled receptors now known as Relaxin Family Peptide (RXFP) Receptors. The leucine-rich repeat containing RXFP1 and RXFP2 and the small peptide-like RXFP3 and RXFP4 are the physiological targets for relaxin...

journal_title：British journal of pharmacology

authors： Halls ML,van der Westhuizen ET,Bathgate RA,Summers RJ

更新日期：2007-03-01 00:00:00

abstract：:1. The stimulatory effect of neuropeptide Y (NPY) on food intake is well established but the roles of the receptor subtypes Y(1) and Y(5) have been difficult to define. We have studied the effects of two novel Y(1)-preferring and two Y(5)-preferring agonists on feeding in guinea pigs. 2. The Y(1)-preferring receptor a...

journal_title：British journal of pharmacology

authors： Lecklin A,Lundell I,Salmela S,Männistö PT,Beck-Sickinger AG,Larhammar D

更新日期：2003-08-01 00:00:00

abstract：:1. Recently we and others have demonstrated a stereoselective inhibition of slowly activating human I(Ks) (KCNQ1/MinK) and homomeric KCNQ1 potassium channels by the enantiomers of the chromanol 293B. Here, we further characterized the mechanism of the 293B block and studied the influence of the 293B enantiomers on the...

journal_title：British journal of pharmacology

authors： Seebohm G,Lerche C,Pusch M,Steinmeyer K,Brüggemann A,Busch AE

更新日期：2001-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The thiourea derivative KB-R7943, originally developed as inhibitor of the plasma membrane Na(+)/Ca(2+) exchanger, has been shown to protect against myocardial ischemia-reperfusion injury. We have studied here its effects on mitochondrial Ca(2+) fluxes. EXPERIMENTAL APPROACH:[Ca(2+)] in cytosol,...

journal_title：British journal of pharmacology

authors： Santo-Domingo J,Vay L,Hernández-Sanmiguel E,Lobatón CD,Moreno A,Montero M,Alvarez J

更新日期：2007-07-01 00:00:00

abstract：:1. CS-747 is a novel thienopyridine-type platelet ADP inhibitor which lacks in vitro activity. This study examined pharmacological profiles of R-99224, a hepatic metabolite of CS-747. 2. R-99224 produced a concentration-dependent inhibition of in vitro platelet aggregation in washed human platelets (0.03 - 1 microg ml...

journal_title：British journal of pharmacology

authors： Sugidachi A,Asai F,Yoneda K,Iwamura R,Ogawa T,Otsuguro K,Koike H

更新日期：2001-01-01 00:00:00