Delayed manifestation of ultraviolet reaction in the guinea-pig caused by anti-inflammatory drugs.

abstract：:1. Conscious, Long Evans rats (n = 10), chronically instrumented for the measurement of regional haemodynamics, were studied on 3 consecutive experimental days to assess responses to angiotensin II (AII) (125 pmol kg-1, i.v.) and noradrenaline (1 nmol kg-1, i.v.) in the absence and presence of the AT2-receptor antagon...

journal_title：British journal of pharmacology

authors： Widdop RE,Gardiner SM,Kemp PA,Bennett T

更新日期：1992-11-01 00:00:00

abstract：:Antihistamine induced cognitive decline was evaluated using positron emission tomography (PET) measurement of histamine H1 receptor (H1R) occupancy and regional cerebral blood flow (rCBF). Cognitive performance in attention-demanding task deteriorated dose-dependently and the effects were statistically significant aft...

journal_title：British journal of pharmacology

authors： Okamura N,Yanai K,Higuchi M,Sakai J,Iwata R,Ido T,Sasaki H,Watanabe T,Itoh M

更新日期：2000-01-01 00:00:00

abstract：:Almost all existing models for G-protein-coupled receptors (GPCRs) are based on the occurrence of monomers. Recent studies show that many GPCRs are dimers. Therefore for some receptors dimers and not monomers are the main species interacting with hormones/neurotransmitters/drugs. There are reasons for equivocal interp...

journal_title：British journal of pharmacology

authors： Franco R,Casadó V,Cortés A,Mallol J,Ciruela F,Ferré S,Lluis C,Canela EI

更新日期：2008-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Chronic stress impairs GABAA (GABA type A) receptor-mediated inhibition in the hypothalamic paraventricular nucleus (PVN). It is not clear whether GABAB receptor function is also altered. We hypothesize that chronic stress alters GABAB receptor function in PVN corticotrophin-releasing hormone (CR...

journal_title：British journal of pharmacology

authors： Gao Y,Zhou JJ,Zhu Y,Wang L,Kosten TA,Zhang X,Li DP

更新日期：2017-09-01 00:00:00

abstract：:1. Enprostil is composed, in approximately equal proportions, of 4 allenic isomers which are prostanoids structurally related to prostaglandin E2 (PGE2). The isomers are denoted as RS-86505-007, RS-86812-007 which are in the 'natural' R and S configuration (with respect to PGE2) and RS-86505-008 and RS-86812-008 which...

journal_title：British journal of pharmacology

authors： Eglen RM,Whiting RL

更新日期：1989-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:While selective, bitter tasting, TAS2R agonists can relax agonist-contracted airway smooth muscle (ASM), their mechanism of action is unclear. However, ASM contraction is regulated by Ca²⁺ signalling and Ca²⁺ sensitivity. We have therefore investigated how the TAS2R10 agonists chloroquine, quinin...

journal_title：British journal of pharmacology

authors： Tan X,Sanderson MJ

更新日期：2014-02-01 00:00:00

abstract：:1. The cardiovascular and behavioural effects elicted by the intracerebroventricular (i.c.v.) injection of substance P (SP), neurokinin A (NKA), [MePhe7]neurokinin B ([MePhe7]NKB) or angiotensin II (AII) in the conscious rat were assessed before and 5 min after i.c.v. pretreatment with antagonists selective for angiot...

journal_title：British journal of pharmacology

authors： Picard P,Chrétien L,Couture R

更新日期：1995-04-01 00:00:00

abstract：:We have shown earlier that activation of metabotropic glutamate (mGlu) receptors using a group I-specific mGlu receptor agonist, (RS)-3,5-dihydroxyphenylglycine (DHPG), can induce long-term depression (LTD) in the CA1 region of the hippocampus. In an attempt to determine the signal transduction mechanisms involved in ...

journal_title：British journal of pharmacology

authors： Schnabel R,Kilpatrick IC,Collingridge GL

更新日期：2001-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:GABAA receptors mediate neuronal inhibition in the brain. They are the primary targets for benzodiazepines, which are widely used to treat neurological disorders including anxiety, epilepsy and insomnia. The mechanism by which benzodiazepines enhance GABAA receptor activity has been extensively s...

journal_title：British journal of pharmacology

authors： Dixon CL,Harrison NL,Lynch JW,Keramidas A

更新日期：2015-07-01 00:00:00

abstract：:1. We have studied the ability of some adrenergic neurone blocking agents to inhibit the tracheal relaxant actions of isoprenaline, theophylline and the potassium channel openers (KCOs) BRL 38227, pinacidil and RP 52891. 2. BRL 38227, isoprenaline, pinacidil, RP 52891 and theophylline each caused concentration-depende...

journal_title：British journal of pharmacology

authors： Berry JL,Small RC,Foster RW

更新日期：1992-08-01 00:00:00

abstract：:1. The sigma(1) (sigma(1)) receptor cDNA was cloned in several animal species. Molecular tools are now available to identify its endogenous effectors, such as neuroactive steroids, and to establish its precise physiological role. In particular, the sigma(1) receptor is involved in memory processes, as observed in phar...

journal_title：British journal of pharmacology

authors： Maurice T,Phan VL,Urani A,Guillemain I

更新日期：2001-12-01 00:00:00

abstract：:Ever increasing use of engineered carbon nanoparticles in nanopharmacology for selective imaging, sensor or drug delivery systems has increased the potential for blood platelet-nanoparticle interactions. We studied the effects of engineered and combustion-derived carbon nanoparticles on human platelet aggregation in v...

journal_title：British journal of pharmacology

authors： Radomski A,Jurasz P,Alonso-Escolano D,Drews M,Morandi M,Malinski T,Radomski MW

更新日期：2005-11-01 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：:The interaction of ketamine with the 5-HT3 receptor of rabbit nodose ganglion neurones is described. Ketamine (3-30 microM) enhanced 5-HT3 receptor-mediated currents recorded under voltage-clamp conditions. This action did not appear to be related to the known effect of ketamine of inhibiting 5-HT uptake. ...

journal_title：British journal of pharmacology

authors： Peters JA,Malone HM,Lambert JJ

更新日期：1991-07-01 00:00:00

abstract：:1. Partial agonists of the beta2-adrenoceptor which activate adenylyl cyclase are widely used as bronchodilators for the relief of bronchoconstriction accompanying many disease conditions, including bronchial asthma. The bronchodilator salmeterol has both a prolonged duration of action in bronchial tissue and the abil...

journal_title：British journal of pharmacology

authors： January B,Seibold A,Allal C,Whaley BS,Knoll BJ,Moore RH,Dickey BF,Barber R,Clark RB

更新日期：1998-02-01 00:00:00

abstract：:Midbrain dopaminergic (DA) neurones sustain important physiological functions such as control of motricity, signalling of the error in prediction of rewards and modulation of emotions and cognition. Moreover, their degeneration leads to Parkinson's disease and they may be dysfunctional in other pathological states, su...

journal_title：British journal of pharmacology

authors： Seutin V

更新日期：2005-09-01 00:00:00

abstract：:BACKGROUND AND PURPOSE The Ca(2+) paradox is an important phenomenon associated with Ca(2+) overload-mediated cellular injury in myocardium. The present study was undertaken to elucidate molecular and cellular mechanisms for the development of the Ca(2+) paradox. EXPERIMENTAL APPROACH Fluorescence imaging was performe...

journal_title：British journal of pharmacology

authors： Kojima A,Kitagawa H,Omatsu-Kanbe M,Matsuura H,Nosaka S

更新日期：2010-12-01 00:00:00

abstract：:1. The concentrations of adrenaline and noradrenaline in the brains of chickens (Gallus domesticus) have been determined using two different methods of fluorimetric analysis.2. The concentrations of adrenaline, noradrenaline and also dopamine were found to increase with age, as did the relative amount of adrenaline pr...

journal_title：British journal of pharmacology

authors： Callingham BA,Sharman DF

更新日期：1970-09-01 00:00:00

abstract：:1. The mechanisms underlying the postjunctional blockade induced by phenthonium [N-(4-phenyl) phenacyl 1-hyoscyamine] were investigated in mammalian and amphibian muscles. This muscarinic antagonist was previously shown to enhance specifically the spontaneous acetylcholine (ACh) release at concentrations that blocked ...

journal_title：British journal of pharmacology

authors： Souccar C,Lima-Landman MT,Ballejo G,Lapa AJ

更新日期：1998-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The glucagon-like peptides GLP-1 and GLP-2 are secreted from enteroendocrine L-cells following nutrient ingestion. Drugs that increase activity of the GLP-1 axis are highly successful therapies for type 2 diabetes, and boosting L-cell secretion is a potential strategy for future diabetes treatmen...

journal_title：British journal of pharmacology

authors： Parker HE,Wallis K,le Roux CW,Wong KY,Reimann F,Gribble FM

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Protease-activated receptor 1 (PAR1) has been demonstrated to be involved in the pathogenesis of viral diseases. However, its role remains controversial. The goal of our study was to investigate the contribution of PAR1 to respiratory syncytial virus (RSV) and human metapneumovirus (hMPV) infecti...

journal_title：British journal of pharmacology

authors： Lê VB,Riteau B,Alessi MC,Couture C,Jandrot-Perrus M,Rhéaume C,Hamelin MÈ,Boivin G

更新日期：2018-01-01 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. The effects of lifarizine (RS-87476) on intracellular Ca2+ rises and the release of glutamate from rat cerebrocortical synaptosomes depolarized with 30 mM KCl were investigated by use of entrapped fura 2 and exogenous glutamate dehydrogenase. 2. Prior (1 min) addition of lifarizine decreased 30 mM KCl-induced total...

journal_title：British journal of pharmacology

authors： Budd DC,May GR,Nicholls DG,McCormack JG

更新日期：1996-05-01 00:00:00

abstract：:1. Angiotensin-converting enzyme (ACE) inhibitors exert their cardiovascular effects not only by preventing the formation of angiotensin II (AII), but also by promoting the accumulation of bradykinin in or at the vessel wall. In addition, certain ACE inhibitors have been shown to augment the vasodilator response to br...

journal_title：British journal of pharmacology

authors： Hecker M,Blaukat A,Bara AT,Müller-Esterl W,Busse R

更新日期：1997-08-01 00:00:00

abstract：:1. 5-Hydroxytryptamine (5-HT) transport has been investigated in rat blood platelets poisoned with dinitrophenol-sodium fluoride or ouabain.2. The inhibition of transport produced by different concentrations of the metabolic inhibitors has been correlated with changes in the internal Na(+) and K(+) concentrations of t...

journal_title：British journal of pharmacology

authors： Sneddon JM

更新日期：1971-12-01 00:00:00

abstract：:1. This study tested the hypothesis that the systemic effects of burn include altered metabolic activity in the heart. Metabolic activity was studied by measuring alterations in cyclic nucleotide levels and protein concentrations in atrial and ventricular muscle in mice at 14 and 22 days after a 20% body surface area ...

journal_title：British journal of pharmacology

authors： Tomera JF,Martyn JA

更新日期：1990-10-01 00:00:00

abstract：:1. The present study was undertaken to investigate the effects of the novel nociceptin receptor antagonist, [Nphe(1)]-Nociceptin (1-13)-NH(2) (bilateral intrahippocampal injection, 50 nmole rat(-1)) on purported nociceptin-induced (bilateral intrahippocampal injection, 5 nmole rat(-1)) deficits in spatial learning in ...

journal_title：British journal of pharmacology

authors： Redrobe JP,Calo G,Guerrini R,Regoli D,Quirion R

更新日期：2000-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Normal pregnancy is associated with decreased vascular resistance and increased release of vasodilators. Endothelin-1 (ET-1) causes vasoconstriction via endothelin receptor type A (ET(A)R), but could activate ET(B)R in the endothelium and release vasodilator substances. However, the roles of ET(B...

journal_title：British journal of pharmacology

authors： Mazzuca MQ,Dang Y,Khalil RA

更新日期：2013-07-01 00:00:00

abstract：:1. Previous studies demonstrated that elevation of the extracellular calcium concentration during a prolonged exposure to a high concentration of carbachol reverses the staurosporine-induced decrease in the extent of endplate resensitization in voltage-clamped snake twitch fibres. The present studies were designed to ...

journal_title：British journal of pharmacology

authors： Hardwick JC,Parsons RL

更新日期：1993-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Inhibitors of phosphodiesterase 5 (PDE5) affect signalling pathways by elevating cGMP, which is a second messenger involved in processes of neuroplasticity. In the present study, the effects of the PDE5 inhibitor, sildenafil, on the pathological features of Alzheimer's disease and on memory-relat...

journal_title：British journal of pharmacology

authors： Cuadrado-Tejedor M,Hervias I,Ricobaraza A,Puerta E,Pérez-Roldán JM,García-Barroso C,Franco R,Aguirre N,García-Osta A

更新日期：2011-12-01 00:00:00