Increased intestinal formation of Paf in endotoxin-induced damage in the rat.

abstract：:The mechanism underlying the LTC(4)-induced contraction of guinea-pig taenia coli was determined using the simultaneous measurements of [Ca(2+)](i) and force in whole muscle preparations. Additional experiments were performed in receptor coupled permeabilized preparation. For comparison purposes, the contraction which...

journal_title：British journal of pharmacology

authors： Ieiri S,Nishimura J,Hirano K,Suita S,Kanaide H

更新日期：2001-06-01 00:00:00

abstract：:1 The effects of piribedil on contractile responses and noradrenaline release evoked by sympathetic nerve stimulation have been studied in the isolated kidney of the rabbit. These effects were compared to those of apomorphine.2 Electrical stimulation (2, 5 and 10 Hz) of sympathetic renal nerves produced frequency-depe...

journal_title：British journal of pharmacology

authors： Chevillard C,Mathieu MN,Recommis D

更新日期：1980-01-01 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：:1. A pentobarbitone-anaesthetized canine model of myocardial conduction was developed to evaluate drug effects on intra-atrial (I-A), intra-ventricular (I-V) and atrioventricular (A-V) conduction parameters, both at rest and during electrical pacing of the right atrium or ventricle. Drug effects on the ability of the ...

journal_title：British journal of pharmacology

authors： Allely MC,Alps BJ

更新日期：1988-02-01 00:00:00

abstract：:1. Microvascular permeability in the mesentery and consequent leakage of protein into the peritoneum of spontaneously hypertensive rats (SHR) and normotensive rats (NTR) was measured in vivo by the extravasation of Evans blue dye. 2. In sensitized NTR, challenge with antigen produced extensive increases in dye extrava...

journal_title：British journal of pharmacology

authors： Kwasniewski FH,Tavares de Lima W,Bakhle YS,Jancar S

更新日期：1998-06-01 00:00:00

abstract：:1 The effects of raising or lowering [Ca(2+)](o) or [Mg(2+)](o) on potential changes evoked by 5-hydroxytryptamine (5-HT) and by the nicotinic agonist, 1,1-dimethyl-4-phenyl piperazinium (DMPP) have been investigated.2 Changes in membrane potential were measured at the ganglion or in postganglionic axons by the sucros...

journal_title：British journal of pharmacology

authors： Nash HL,Wallis DI

更新日期：1981-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Disruptions of executive function, including attentional deficits, are a hallmark of a number of diseases. ACh in the prefrontal cortex regulates attentive behaviour; however, the role of α7 nicotinic ACh receptor (α7nAChR) in attention is contentious. EXPERIMENTAL APPROACH:In order to probe att...

journal_title：British journal of pharmacology

authors： Kolisnyk B,Al-Onaizi MA,Prado VF,Prado MA

更新日期：2015-10-01 00:00:00

abstract：:In helical strips cut from the small mesenteric artery of guinea-pig (GPSMA) (0.3-0.6 mm o.d.) relaxations induced by substance P were more susceptible to damage of the endothelium by rubbing than were relaxations evoked by carbachol. Relaxations induced by 2-nicotin-amidoethyl nitrate (SG75) were unaffected by this p...

journal_title：British journal of pharmacology

authors： Bolton TB,Clapp LH

更新日期：1986-04-01 00:00:00

abstract：:1. The subtype of alpha1-adrenoceptor mediating contractions to phenylephrine of the rat thoracic aorta, mesenteric artery and pulmonary artery were investigated by use of antagonists which show selectivity between the cloned alpha1-adrenoceptor subtypes in binding studies. 2. Cumulative concentration-contraction curv...

journal_title：British journal of pharmacology

authors： Hussain MB,Marshall I

更新日期：1997-11-01 00:00:00

abstract：:1. An 'atypical' 5-HT2 receptor which is located on the endothelium of rat jugular vein has been described. In the present study we have further defined the nature of the 5-HT2 receptor subtype present in this preparation. 2. In experiments conducted in the presence of ketanserin to preclude involvement of 5-HT2 recep...

journal_title：British journal of pharmacology

authors： Ellis ES,Byrne C,Murphy OE,Tilford NS,Baxter GS

更新日期：1995-01-01 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：BACKGROUND AND PURPOSE:Strontium ranelate reduces fracture risk in postmenopausal women with osteoporosis. Evidence from non-clinical studies and analyses of bone markers in phase III trials indicate that this is due to an increase in osteoblast formation and a decrease of osteoclastic resorption. The aim of this work ...

journal_title：British journal of pharmacology

authors： Brennan TC,Rybchyn MS,Green W,Atwa S,Conigrave AD,Mason RS

更新日期：2009-08-01 00:00:00

abstract：:1 We have examined the effect of the histone deacetylase inhibitors apicidin, trichostatin A (TSA) and n-butyrate on the histone acetylation and the differentiation of human eosinophilic leukemia HL-60 clone 15 cells into eosinophils. 2 Viability of the cells incubated with apicidin (100 nm), TSA (30 nm) or n-butyrate...

journal_title：British journal of pharmacology

authors： Ishihara K,Hong J,Zee O,Ohuchi K

更新日期：2004-07-01 00:00:00

abstract：:Along with many other mammalian ATP-binding cassette (ABC) transporters, members of the ABCG group are involved in the regulated transport of hydrophobic compounds across cellular membranes. In humans, five ABCG family members have been identified, encoding proteins ranging from 638 to 678 amino acids in length. All f...

journal_title：British journal of pharmacology

authors： Kerr ID,Haider AJ,Gelissen IC

更新日期：2011-12-01 00:00:00

abstract：:Alcohol-use disorders are chronically relapsing conditions characterized by cycles of use, abstinence and relapse. The ventral pallidum (VP) is a key node in the neural circuits controlling relapse to alcohol seeking and a key target of pharmacotherapies for relapse prevention. There has been a significant increase in...

journal_title：British journal of pharmacology

authors： Prasad AA,McNally GP

更新日期：2020-09-01 00:00:00

abstract：:1. Neural crest material from neurula stage Xenopus embryos was tissue cultured as small aggregates of cells or a single cell suspension. Isolated pigment cells differentiated after 2 days in culture. 2. Melatonin (10(-15) to 10(-13) M) induced pigment granule condensation; it was 10,000 times more effective than any ...

journal_title：British journal of pharmacology

authors： Messenger EA,Warner AE

更新日期：1977-12-01 00:00:00

abstract：:1 Dose-related increases in airways resistance (Raw) and decreases in dynamic lung compliance (Cdyn) were recorded in guinea-pigs and rats following intravenous injection of propranolol and of the cardioselective beta-adrenoceptor blocking drugs, atenolol and practolol. 2 The bronchoconstriction reached a peak in 2 to...

journal_title：British journal of pharmacology

authors： Maclagan J,Ney UM

更新日期：1979-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Memantine and marijuana smoking have been found to inhibit tremor in parkinsonian patients, although the observed effects were relatively weak. The tremorolytic effects of combinations of memantine and cannabinoids have not been studied. Here, we have evaluated the anti-tremor activity of memanti...

journal_title：British journal of pharmacology

authors： Ionov ID,Pushinskaya II,Frenkel DD,Gorev NP,Shpilevaya LA

更新日期：2020-04-01 00:00:00

abstract：:1 The relationship of agonist efficacy to the rate of G protein-coupled receptor signaling desensitization is controversial. 2 Expressing inwardly rectifying potassium channels (GIRKs) in Xenopus oocytes, we have devised a signaling assay that clearly identifies CB1 cannabinoid receptor agonists with low intrinsic eff...

journal_title：British journal of pharmacology

authors： Luk T,Jin W,Zvonok A,Lu D,Lin XZ,Chavkin C,Makriyannis A,Mackie K

更新日期：2004-06-01 00:00:00

abstract：:Idiopathic pulmonary fibrosis (IPF) is a fatal lung disease where the additional presence of pulmonary hypertension (PH) reduces survival. In particular, the presence of coexistent pulmonary vascular disease in patients with advanced lung parenchymal disease results in worse outcomes than either diagnosis alone. This ...

journal_title：British journal of pharmacology

authors： Rajagopal K,Bryant AJ,Sahay S,Wareing N,Zhou Y,Pandit LM,Karmouty-Quintana H

更新日期：2021-01-01 00:00:00

abstract：:1. The fall in arterial blood pressure with bradycardia that occurs on injection of clonidine into the cerebral ventricles and into the cisterna magna is attributed to an action on ;chemosensitive zones' situated at the ventral surface of the brain stem. This conclusion is based on the following results obtained in ca...

journal_title：British journal of pharmacology

authors： Bousquet P,Guertzenstein PG

更新日期：1973-12-01 00:00:00

abstract：:Nebivolol, a selective beta-adrenoceptor (beta1-AR) antagonist, induces vasodilatation by an endothelium- and NO-cGMP-dependent pathway. However, the mechanisms involved in the vascular effect of nebivolol have not been established. Thus, we evaluated the role of alpha1 and beta3-ARs in nebivolol-induced vasodilatatio...

journal_title：British journal of pharmacology

authors： Rozec B,Quang TT,Noireaud J,Gauthier C

更新日期：2006-04-01 00:00:00

abstract：:1. Aggressive behaviour was elicited in rats that had been deprived of food for 20 h daily (starved), by chronic administration of Cannabis sativa extract or (-)-Delta(9)-trans-tetrahydrocannabinol.2. The influence of intraperitoneal (i.p.) or oral glucose administration, cold environment, acidosis, and corn, and prot...

journal_title：British journal of pharmacology

authors： Carlini EA,Hamaoui A,Märtz RM

更新日期：1972-04-01 00:00:00

abstract：:Three genes encode the small-conductance Ca(2+)-activated K(+) channels (SK channels). We have stably expressed hSK1 and rSK2 in HEK 293 cells and addressed the pharmacology of these subtypes using whole-cell patch clamp recordings. The bee venom peptide apamin blocked hSK1 as well as rSK2 with IC(50) values of 3.3 nM...

journal_title：British journal of pharmacology

authors： Strøbaek D,Jørgensen TD,Christophersen P,Ahring PK,Olesen SP

更新日期：2000-03-01 00:00:00

abstract：:1. The convulsive effects of leptazol in the rat are potentiated by prior treatment with dexamphetamine.2. An intact dopamine synthesis is necessary for the potentiation of the convulsive action of leptazol.3. An intact noradrenaline synthesis is not necessary for this action of amphetamine, as long as the dopamine sy...

journal_title：British journal of pharmacology

authors： Spencer PS,Turner TA

更新日期：1969-09-01 00:00:00

abstract：:The role of nitric oxide (NO) in striatal dopamine release has been controversial. Most NO synthase inhibitors affect more than one isoform of the enzyme and exert vasoconstrictor effects which may also affect striatal dopamine function. We now report on the effect of a soluble monosodium salt of the selective brain N...

journal_title：British journal of pharmacology

authors： Silva MT,Rose S,Hindmarsh JG,Aislaitner G,Gorrod JW,Moore PK,Jenner P,Marsden CD

更新日期：1995-01-01 00:00:00

abstract：:1. We have characterized the 5-hydroxytryptamine (5-HT)-induced calcium signalling in endothelial cells from the human pulmonary artery. Using RT-PCR we show, that of all cloned G-protein coupled 5-HT receptors, these cells express only 5-HT1D beta, 5-HT2B and little 5-HT4 receptor mRNA. 2. In endothelial cells 5-HT i...

journal_title：British journal of pharmacology

authors： Ullmer C,Boddeke HG,Schmuck K,Lübbert H

更新日期：1996-03-01 00:00:00

abstract：:1. Despite the observation of pharmacological responses to neuropeptide Y (NPY) in mammalian kidneys, there are species differences in the ease with which specific NPY binding sites can be demonstrated; we have investigated whether this can be explained by differential metabolism of NPY by a membrane-bound peptidase. ...

journal_title：British journal of pharmacology

authors： Price JS,Kenny AJ,Huskisson NS,Brown MJ

更新日期：1991-10-01 00:00:00

abstract：:1. When the isolated small intestine of the rat is perfused via the mesenteric artery, an oxytocic principle (Gaddum's substance R) is released which is detectable in the perfusate after 30 min and is present in samples collected 8 h later. 2. The oxytocic activity of substance R is lost after boiling but is unaffecte...

journal_title：British journal of pharmacology

authors： Douglas GJ,Williams KI,Flower RJ

更新日期：1991-04-01 00:00:00

abstract：:The effect of baclofen, the GABAB-agent, on the potassium-evoked release of endogenous 5-hydroxytryptamine (5-HT) from slices of mouse frontal cortex has been investigated. The release of endogenous 5-HT evoked by addition of K+ (35 mM) was inhibited by (+/-)-baclofen in a dose-dependent manner with an IC50 of 0.1 mic...

journal_title：British journal of pharmacology

authors： Gray JA,Green AR

更新日期：1987-07-01 00:00:00