Vasodilator responses to dopamine in rat perfused mesentery are age-dependent.

abstract：:1. Ca2+ buffering function of sarcoplasmic reticulum (SR) in the resting state of arteries from spontaneously hypertensive rats (SHR) was examined. Differences in the effects of cyclopiazonic acid (CPA) and thapsigargin, agents which inhibit the Ca(2+)-ATPase of SR, on tension and cellular Ca2+ level were assessed in ...

journal_title：British journal of pharmacology

authors： Nomura Y,Asano M,Ito K,Uyama Y,Imaizumi Y,Watanabe M

更新日期：1997-01-01 00:00:00

abstract：:1. The rate of gastric emptying was measured directly in 14 convalescent hospital patients and paracetamol absorption was studied following an oral dose of 1.5 g.2. Rapid gastric emptying was associated with the early appearance of high peak plasma paracetamol concentrations whereas peak concentrations were low and oc...

journal_title：British journal of pharmacology

authors： Heading RC,Nimmo J,Prescott LF,Tothill P

更新日期：1973-02-01 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 cardiovascular effects of bilateral injection into the hypothalamic paraventricular nuclei of selective mu-, delta-, and kappa-opioid receptor agonists were investigated in conscious, unrestrained Wistar Kyoto rats, chronically instrumented with pulsed Doppler flow probes for measurement of regional haemodynami...

journal_title：British journal of pharmacology

authors： Bachelard H,Pître M

更新日期：1995-06-01 00:00:00

abstract：:1 We investigated the neuritogenic action of nitric oxide (NO)-generating agents and their mechanisms of action in a subclone of rat pheochromocytoma, PC12h cells. 2 NO donors such as sodium nitroprusside (SNP, 0.05-1 microM), NOR1 (5-100 microM), NOR2 (5-20 microM), NOR3 (5-20 microM), NOR4 (5-100 microM), or S-nitro...

journal_title：British journal of pharmacology

authors： Yamazaki M,Chiba K,Mohri T

更新日期：2005-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The effect of age on the distribution of morphine and morphine-3-glucuronide (M3G) across the blood-brain barrier (BBB) was studied in a sheep model utilizing intracerebral microdialysis. The effect of neonatal asphyxia on brain drug distribution was also studied. EXPERIMENTAL APPROACH:Microdial...

journal_title：British journal of pharmacology

authors： Bengtsson J,Ederoth P,Ley D,Hansson S,Amer-Wåhlin I,Hellström-Westas L,Marsál K,Nordström CH,Hammarlund-Udenaes M

更新日期：2009-07-01 00:00:00

abstract：:1 The effect of thiopentone, methohexitone, urethane and ketamine on the uptake and release of gamma-aminobutyric acid (GABA) and D-aspartate by rat thalamic slices has been investigated. 2 A high, supra-anaesthetic concentration of methohexitone increased the uptake of both D-aspartate and GABA. 3 None of the anaesth...

journal_title：British journal of pharmacology

authors： Kendall TJ,Minchin MC

更新日期：1982-01-01 00:00:00

abstract：:1. Imidazoline binding sites have been reported to be present in the locus coeruleus (LC). To investigate the role of these sites in the control of LC neuron activity, we studied the effect of imidazolines using in vivo and in vitro single-unit extracellular recording techniques. 2. In anaesthetized rats, local (27 pm...

journal_title：British journal of pharmacology

authors： Ugedo L,Pineda J,Ruiz-Ortega JA,Martín-Ruiz R

更新日期：1998-12-01 00:00:00

abstract：:The concentration in rat striatum of the meta and para isomers of tyramine and alpha-methyltyramine, after the administration of (+)-amphetamine, alpha-methyl-p-tyrosine (AMPT) and alpha-methylphenylalanine (AMPA) has been determined using chemical ionization gas chromatography mass spectrometry (c.i.g.c.m.s.). Twenty...

journal_title：British journal of pharmacology

authors： Dougan DF,Duffield AM,Duffield PH,Wade DN

更新日期：1983-10-01 00:00:00

abstract：:1. The regulation of adenosine 3':5'-cyclic monophosphate (cyclic AMP) levels by cholinoceptors has been studied in cultured bovine adrenal medullary cells. 2. Acetylcholine (100 microM), nicotine (10 microM) and dimethylphenylpiperazinium (20 microM) each increased cellular cyclic AMP levels 2 to 4 fold over 5 min in...

journal_title：British journal of pharmacology

authors： Anderson K,Robinson PJ,Marley PD

更新日期：1992-06-01 00:00:00

abstract：:1. In decerebrated, non-spinalized rabbits, intrathecal administration of either of the selective 5-HT1A-receptor antagonists (S)WAY-100135 or WAY-100635 resulted in dose-dependent enhancement of the reflex responses of gastrocnemius motoneurones evoked by electrical stimulation of all myelinated afferents of the sura...

journal_title：British journal of pharmacology

authors： Clarke RW,Harris J,Houghton AK

更新日期：1996-11-01 00:00:00

abstract：:Dopamine, noradrenaline (NA) and adrenaline (Ad) depletion by 6-hydroxydopamine (6-OHDA) and pargyline plus 6-OHDA was investigated in the cat left ventricle, mesenteric and renal arteries, renal cortex, renal medulla and adrenal medulla. Catecholamine concentrations in plasma were also analyzed in these two experimen...

journal_title：British journal of pharmacology

authors： Caramona MM,Soares-da-Silva P

更新日期：1985-10-01 00:00:00

abstract：:1. A series of GABAB receptor antagonists were tested against (+/-)-baclofen for activity on the presynaptic GABAB receptor in the rat vas deferens. 2. All the antagonists tested caused a rightward shift in the concentration-response curve to (+/-)-baclofen. 3. pA2 values calculated from full Schild analysis were as f...

journal_title：British journal of pharmacology

authors： Hills JM,Larkin MM,Howson W

更新日期：1991-03-01 00:00:00

abstract：:Recent evidence has indicated that the mitogen platelet-derived growth factor (PDGF) can act acutely to regulate arterial tone. In this study we demonstrate that the BB isoform of PDGF (PDGF-BB) can cause endothelium-independent relaxation of rabbit isolated mesenteric arteries. In endothelium-denuded arteries, PDGF-B...

journal_title：British journal of pharmacology

authors： Yamawaki H,Sato K,Hori M,Ozaki H,Karaki H

更新日期：2000-12-01 00:00:00

abstract：:The dependence of neurotransmitter secretion on external calcium ions during development of opiate tolerance in the mouse vas deferens was studied. The writhing response of mice to an i.p. injection of acetylcholine was inhibited by morphine. Reversal of this antinociceptive effect of morphine during chronic treatment...

journal_title：British journal of pharmacology

authors： Einstein R,Lavidis NA

更新日期：1984-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Chromosomal instability is not only a hallmark of cancer but also an attractive therapeutic target. A diverse set of mitotic kinases maintains chromosomal stability. One of these is monopolar spindle 1 (Mps1, also known as TTK), which is essential for chromosome alignment and for the spindle asse...

journal_title：British journal of pharmacology

authors： Choi M,Min YH,Pyo J,Lee CW,Jang CY,Kim JE

更新日期：2017-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:AZ11645373 and N-{2-methyl-5-[(1R, 5S)-9-oxa-3,7-diazabicyclo[3.3.1]non-3-ylcarbonyl]phenyl}-2-tricyclo[3.3.1.13,7]dec-1-ylacetamide hydrochloride (compound-22) are recently described P2X(7) receptor antagonists. In this study we have further characterized these compounds to determine their mecha...

journal_title：British journal of pharmacology

authors： Michel AD,Ng SW,Roman S,Clay WC,Dean DK,Walter DS

更新日期：2009-04-01 00:00:00

abstract：:1. We have studied the mechanical response of circular strips of the guinea-pig ileum to tachykinins and characterized the receptors involved by means of receptor-selective agonists. 2. The strips responded to both substance P (SP) and neurokinin A (NKA), as well as to [Pro9]-SP sulphone (selective NK1-receptor agonis...

journal_title：British journal of pharmacology

authors： Maggi CA,Patacchini R,Giachetti A,Meli A

更新日期：1990-12-01 00:00:00

abstract：:An investigation of the effects of gamma-aminobutyric acid (GABA) and the selective GABAB receptor agonist, baclofen, on basal and stimulated adenosine 3':5'-cyclic monophosphate (cyclic AMP) levels in slices of rat cerebral cortex has been carried out. Neither GABA nor baclofen produced any significant change in basa...

journal_title：British journal of pharmacology

authors： Hill DR

更新日期：1985-01-01 00:00:00

abstract：:Chronic itch poses major health care and economic burdens worldwide. In 2013, B-type natriuretic peptide (BNP) was identified as an itch-selective neuropeptide and shown to be both necessary and sufficient to produce itch behaviour in mice. Since then, mechanistic studies of itch have increased, not only at central le...

journal_title：British journal of pharmacology

authors： Meng J,Chen W,Wang J

更新日期：2020-03-01 00:00:00

abstract：:1. We studied the effects of flash photolysis on the novel enantiomeric cardiac inotropes EMD 57033 (a calcium sensitizer) and EMD 57439 (a phosphodiesterase III inhibitor) in rat isolated ventricular trabeculae. 2. In skinned trabeculae, EMD 57439 had no effect on force production, consistent with lack of an active c...

journal_title：British journal of pharmacology

authors： Lee JA,Palmer S,Kentish JC

更新日期：1996-08-01 00:00:00

abstract：:1. The radioligand binding characteristics of the 3H-derivative of the novel 5-HT3 receptor antagonist BRL46470 were investigated and directly compared to the well characterized 5-HT3 receptor radioligand [3H]-granisetron, in tissue homogenates prepared from rat cerebral cortex/hippocampus, rat ileum, NG108-15 cells, ...

journal_title：British journal of pharmacology

authors： Steward LJ,Ge J,Bentley KR,Barber PC,Hope AG,Lambert JJ,Peters JA,Blackburn TP,Barnes NM

更新日期：1995-09-01 00:00:00

abstract：:A new C5a receptor antagonist, the cyclic peptide Phe-[Orn-Pro-D-cyclohexylalanine-Trp-Arg], (F-[OPdChaWR]), was tested for its ability to antagonize the neutropenic effects of both C5a and endotoxin in rats. Human recombinant C5a (2 microg kg(-1) i.v.) caused rapid neutropenia, characterized by an 83% decrease in cir...

journal_title：British journal of pharmacology

authors： Short A,Wong AK,Finch AM,Haaima G,Shiels IA,Fairlie DP,Taylor SM

更新日期：1999-02-01 00:00:00

abstract：:1. Plasma exudation and blood flow changes induced by intradermal injection of prostaglandins E2 (PGE2), I2 (PG12), D2 (PGD2) and F2 alpha (PGF2 alpha) were measured in rabbit dorsal skin by the use of [131I]-albumin and 133Xe. 2. Little plasma exudation was produced by any of the prostaglandins when injected alone. 3...

journal_title：British journal of pharmacology

authors： Williams TJ

更新日期：1979-03-01 00:00:00

abstract：:Glucagon-like peptide 1 (GLP-1) is a relatively recently discovered molecule originating in the so-called L-cells of the intestine. The peptide has insulinotrophic properties and it is this characteristic that has predominantly been investigated. This has led to the use of the GLP-1-like peptide exendin-4 (EX-4), whic...

journal_title：British journal of pharmacology

authors： Harkavyi A,Whitton PS

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Oxaliplatin is a platinum-based chemotherapeutic drug used as a first-line therapy for colorectal cancer. However, its use is associated with severe gastrointestinal side-effects resulting in dose limitations and/or cessation of treatment. In this study, we tested whether oxidative stress, caused...

journal_title：British journal of pharmacology

authors： McQuade RM,Carbone SE,Stojanovska V,Rahman A,Gwynne RM,Robinson AM,Goodman CA,Bornstein JC,Nurgali K

更新日期：2016-12-01 00:00:00

abstract：:Amyotrophic lateral sclerosis (ALS) is an adult onset disorder characterized by progressive neuromuscular junction (NMJ) dismantling and degeneration of motor neurons leading to atrophy and paralysis of voluntary muscles responsible for motion and breathing. Except for a minority of patients harbouring genetic mutatio...

journal_title：British journal of pharmacology

authors： Manzano R,Toivonen JM,Moreno-Martínez L,de la Torre M,Moreno-García L,López-Royo T,Molina N,Zaragoza P,Calvo AC,Osta R

更新日期：2020-09-28 00:00:00

abstract：BACKGROUND AND PURPOSE:GoSlo-SR compounds are efficacious BK (KCa 1.1) channel openers, but little is known about their mechanism of action or effect on bladder contractility. We examined the effects of two closely related compounds on BK currents and bladder contractions. EXPERIMENTAL APPROACH:A combination of electr...

journal_title：British journal of pharmacology

authors： Large RJ,Kshatri A,Webb TI,Roy S,Akande A,Bradley E,Sergeant GP,Thornbury KD,McHale NG,Hollywood MA

更新日期：2015-05-01 00:00:00

abstract：:This study was performed to characterize the receptor subtypes involved in the endothelin stimulation of phospholipase D (PLD) in rat cortical astrocytes in primary culture. PLD activity was determined by measuring the formation of [32P]phosphatidylbutanol in [32P]orthophosphate prelabelled cells stimulated in the pre...

journal_title：British journal of pharmacology

authors： Servitja JM,Masgrau R,Sarri E,Picatoste F

更新日期：1998-08-01 00:00:00

abstract：:Although cyclosporin (CsA) is considered to be the best immunosuppressive molecule in transplantation, it has been suspected to alter mitochondrial respiration of various tissues. We evaluated the acute effect of CsA and its vehicle on maximal oxidative capacity (V(max)) of cardiac, soleus and gastrocnemius muscles of...

journal_title：British journal of pharmacology

authors： Sanchez H,Zoll J,Bigard X,Veksler V,Mettauer B,Lampert E,Lonsdorfer J,Ventura-Clapier R

更新日期：2001-07-01 00:00:00