Effect of sympathomimetic drugs in eliciting hypertensive responses to reserpine in the rat, after pretreatment with monoamineoxidase inhibitors.

abstract：:1. The nature and cellular mechanisms that are responsible for endothelium-dependent relaxations resistant to indomethacin and NG-nitro-L-arginine methyl ester (L-NAME) were investigated in phenylephrine (PE) precontracted isolated carotid arteries from the rabbit. 2. In the presence of the cyclo-oxygenase inhibitor, ...

journal_title：British journal of pharmacology

authors： Dong H,Waldron GJ,Galipeau D,Cole WC,Triggle CR

更新日期：1997-02-01 00:00:00

abstract：:1 The actions of 4-(2-hydroxy-3-isopropylaminopropoxy) phenyl acetamide (ICI 66082), a new beta-adrenoceptor blocking drug, on the twitch response of the isolated papillary muscle of the rabbit and on dP/dt max and free heart rate of a denervated dog heart preparation, are described.2 ICI 66082 (up to 1 mg/ml) did not...

journal_title：British journal of pharmacology

authors： Harry JD,Knapp MF,Linden RJ

更新日期：1974-06-01 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：:1. We have investigated the effects of chlorpheniramine, atropine and capsaicin pretreatment on inhaled sodium metabisulphite (MBS)-induced airway microvascular leakage and bronchoconstriction in anaesthetized guinea-pigs in order to clarify the mechanisms involved in these responses. The effects of frusemide and nedo...

journal_title：British journal of pharmacology

authors： Sakamoto T,Elwood W,Barnes PJ,Chung KF

更新日期：1992-10-01 00:00:00

abstract：:1. Fluoxetine (Prozac) is widely used as an antidepressant drug and is assumed to be a selective 5-hydroxytryptamine (5-HT) reuptake inhibitor (SSRI). Claims that its beneficial psychotropic effects extend beyond those in treatment of depression have drawn clinical and popular attention to this compound, raising the q...

journal_title：British journal of pharmacology

authors： Tytgat J,Maertens C,Daenens P

更新日期：1997-12-01 00:00:00

abstract：:For almost three decades intrathecal baclofen therapy has been the standard treatment for spinal cord injury spasticity when oral medication is ineffective or produces serious side effects. Although intrathecal baclofen therapy has a good clinical benefit-risk ratio for spinal spasticity, tolerance and the life-threat...

journal_title：British journal of pharmacology

authors： Gómez-Soriano J,Goiriena E,Taylor J

更新日期：2010-11-01 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. The aim of the study was to investigate the mechanism of a novel effect of hypoxia on intracellular Ca(2+) signalling in rabbit cerebral arteriolar smooth muscle cells, an effect that was resistant to the L-type Ca(2+) channel antagonist methoxyverapamil (D600). 2.[Ca(2+)](i) of smooth muscle cells in intact arteri...

journal_title：British journal of pharmacology

authors： Guibert C,Flemming R,Beech DJ

更新日期：2002-02-01 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：:1 The influence of the external calcium concentration on the effect of harmine 2 x 10(-5) M upon the guinea-pig atrial muscle was analysed. Transmembrane potentials of contractile fibres were measured during exposure to the drug at 30 degrees C. 2 In preparations superfused with 1.35 mM Ca2+-Tyrode solution and driven...

journal_title：British journal of pharmacology

authors： Carpentier RG

更新日期：1981-10-01 00:00:00

abstract：:1. The influence of different holding potentials (-120 to -70 mV) on the contraction of enzymatically dispersed myocytes from guinea-pig hearts was evaluated. Contractions were elicited by repetitive depolarizations to 0 mV at 0.5 Hz. 2. While ineffective at 140 and 5 mmol l-1 [Na+]o and pipette Na+, respectively, dep...

journal_title：British journal of pharmacology

authors： Mermi J,Yajima M,Ebner F

更新日期：1991-11-01 00:00:00

abstract：:1. Bradykinin has multiple effects on differentiated NG108-15 neuroblastoma x glioma cells: it increases Ins(1,4,5)P3 production and intracellular Ca2+ concentration [Ca2+]i evokes a Ca2+ activated K+ current (IK(Ca)) and inhibits M current (IM). We studied the effect of the aminosteroid U73122 and the antibiotic neom...

journal_title：British journal of pharmacology

authors： Hildebrandt JP,Plant TD,Meves H

更新日期：1997-03-01 00:00:00

abstract：:1 Human luteal tissue slices from days 18, 21 and 25 of the menstrual cycle were superfused in vitro with Medium 199 alone or containing cloprostenol (1 microgram/ml). Concentrations of progesterone, oestradiol-17beta and prostaglandins F2alpha and E2 were determined in the superfusate samples. 2 Secretion of steroids...

journal_title：British journal of pharmacology

authors： McDougall AN,Walker FM,Watson J

更新日期：1977-07-01 00:00:00

abstract：:1. 5-Hydroxytryptamine (5-HT) stimulates active sodium transport and decreases the passive mucosal to serosal chloride permeability across frog skin. The relative importance of the different regions of the 5-HT molecule in the mediation of these responses has been studied using a range of structurally related compound...

journal_title：British journal of pharmacology

authors： Dalton T

更新日期：1979-04-01 00:00:00

abstract：:1. The relationship between the capacity of the chick biventer preparation, both intact tissue and homogenate, to inactivate acetylcholine and the ability of eserine to increase the sensitivity of the tissue to acetylcholine have been investigated.2. At concentrations of eserine of 2.69 x 10(-9)M and 2.69 x 10(-8)M th...

journal_title：British journal of pharmacology

authors： Baldwin DW,Lesser E

更新日期：1971-07-01 00:00:00

abstract：:1 The isolated perfused ear of the rabbit connected to the body only by its nerve, was used to investigate the influence of prostaglandin F2alpha on the algesic effect of bradykinin and acetylcholine. 2 Bradykinin and acetylcholine, following intra-arterial injection into the isolated perfused ear elicited a dose-rela...

journal_title：British journal of pharmacology

authors： Juan H,Lembeck F

更新日期：1977-03-01 00:00:00

abstract：:1. Muscarinic receptors mediating contraction of the rat urinary bladder were characterized functionally in vitro by use of atropine, 4-diphenylacetoxy-N-methylpiperidine methiodide (4-DAMP methiodide), 4-diphenylacetoxy-N-(2-chloroethyl)-piperidine hydrochloride (4-DAMP mustard), hexahydro-sila-diphenidol hydrochlori...

journal_title：British journal of pharmacology

authors： Longhurst PA,Leggett RE,Briscoe JA

更新日期：1995-10-01 00:00:00

abstract：:1 The actions of 5-methoxytryptamine (5-MeOT), N,N-dimethyltryptamine (DMT), 5-hydroxy-N,N-dimethyltryptamine (bufotenine, 5-HODMT) and 5-methoxy-N,N-dimethyltryptamine (5-MeODMT), and their interactions with 5-hydroxytryptamine (5-HT), acetylcholine, (-)-noradrenaline, and glutamate were studied by microiontophoresis...

journal_title：British journal of pharmacology

authors： Bradley PB,Briggs I

更新日期：1974-03-01 00:00:00

abstract：:1. The alpha 2-adrenoceptor binding sites of rabbit spleen and rat kidney, labelled with [3H]-rauwolscine, were characterized using a range of subtype selective ligands. 2. In rabbit spleen, the alpha-2-adrenoceptor binding sites displayed high affinity for oxymetazoline and WB 4101 and low affinity for prazosin and c...

journal_title：British journal of pharmacology

authors： Michel AD,Loury DN,Whiting RL

更新日期：1990-03-01 00:00:00

abstract：:1 Hypolipidaemic agents may increase biliary cholesterol in man, inducing a supersaturated bile. 2 To evaluate this possible side-effect, we have studied bile lipid secretion over a period of 8 h with intact enterohepatic circulation and 4 h with complete interruption in rats treated for two months with a salt of chol...

journal_title：British journal of pharmacology

authors： Aldini R,Barbara L,Benelli A,Borzatta V,Geminiani S,Mascellani G,Morselli A,Roda A,Roda E

更新日期：1981-11-01 00:00:00

abstract：:1. Muscarinic receptors present in the human astrocytoma cell line 1321 N1 were characterized in radioligand binding studies and in functional studies of carbachol-stimulated phosphatidylinositol (PI) turnover. 2. In radioligand binding studies the muscarinic receptor in intact cells could be labelled using [3H]-N-met...

journal_title：British journal of pharmacology

authors： Kunysz EA,Michel AD,Whiting RL,Woods K

更新日期：1989-02-01 00:00:00

abstract：:1. The effects of long-term treatment with trandolapril, an angiotensin I-converting enzyme inhibitor, on exercise capacity of rats with chronic heart failure (CHF) following coronary artery ligation were examined. CHF was developed by 8 weeks after the coronary artery ligation. 2. The running time of rats with CHF in...

journal_title：British journal of pharmacology

authors： Yamaguchi F,Kawana K,Tanonaka K,Kamano I,Igarashi T,Gen E,Fujimoto Y,Maki T,Sanbe A,Nasa Y,Takeo S

更新日期：1999-04-01 00:00:00

abstract：:Airway hyper-reactivity to inhaled adenosine, mediated via mast cell activation, is a cardinal feature of asthma. Animal models have been developed in several species to mimic this phenomenon, but only in the rat has a mast cell involvement been clearly defined. In this study, a model of ovalbumin-induced adenosine hy...

journal_title：British journal of pharmacology

authors： Wyss D,Bonneau O,Trifilieff A

更新日期：2005-08-01 00:00:00

abstract：:The intravenous administration of naloxone 2 min before coronary artery occlusion in anaesthetized dogs reduced the incidence and severity of cardiac arrhythmias during coronary occlusion (20 min) and reperfusion (120 min) in a dose-related manner. It also reduced the mortality. At a dose of 1 mg kg-1 (the maximum dos...

journal_title：British journal of pharmacology

authors： Huang XD,Lee AY,Wong TM,Zhan CY,Zhao YY

更新日期：1986-03-01 00:00:00

abstract：:1 Peptide 401, a potent mast cell degranulating factor from bee venom, substantially inhibited the oedema provoked by subplantar injection of carrageenin or intra-articular injection of turpentine in the rat. The ED(50) of 401 was c. 0.1 mg/kg. The anti-inflammatory effect was assessed by measurement of the increased ...

journal_title：British journal of pharmacology

authors： Hanson JM,Morley J,Soria-Herrera C

更新日期：1974-03-01 00:00:00

abstract：:1. Leukotriene B(4) (LTB(4)) stimulation of guinea-pig peritoneal eosinophils, induced a biphasic activation of the NADPH oxidase composed of a rapid (<3 min) phase mediated by non-adherent cells and a sustained (3 - 120 min) phase mediated by CD11b/CD18 adherent eosinophils. Studies were undertaken to compare the int...

journal_title：British journal of pharmacology

authors： Lynch OT,Giembycz MA,Barnes PJ,Lindsay MA

更新日期：2001-10-01 00:00:00

abstract：:1. The inhibitory effect of caffeine on the calcium channel current was investigated in cultured myometrial cells isolated from pregnant rats. 2. Caffeine inhibited the calcium channel current elicited from a holding potential of -70 mV in a concentration-dependent manner. The IC50 was estimated to be 35 mM. 3. The ca...

journal_title：British journal of pharmacology

authors： Martin C,Dacquet C,Mironneau C,Mironneau J

更新日期：1989-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Accumulated evidence suggests that oxidative stress is involved in amyloid beta (Abeta)-induced cognitive dysfunction. Silibinin (silybin), a flavonoid derived from the herb milk thistle (Silybum marianum), has been shown to have antioxidative properties; however, it remains unclear whether silib...

journal_title：British journal of pharmacology

authors： Lu P,Mamiya T,Lu LL,Mouri A,Zou L,Nagai T,Hiramatsu M,Ikejima T,Nabeshima T

更新日期：2009-08-01 00:00:00

abstract：:1 The relative potencies of methotrimeprazine, (+)-methotrimeprazine, (+/-)-10-(3-dimethylamino-2-methylpropyl)-2-valeroyl phenothiazine hydrochloride (M & B 18,706) and (+)-M & B 18,706 in reducing the pressor action of noradrenaline in the spinal cat, reducing intercollicular decerebrate rigidity, and muscle spindle...

journal_title：British journal of pharmacology

authors： Maxwell DR,Sumpter EA

更新日期：1974-03-01 00:00:00

abstract：:Optimum assay conditions for the association of [3H]-para-tyramine [( 3H]-pTA) with rat brain membranes were characterized, and a saturable, reversible, drug-specific, and high affinity binding mechanism for this trace amine was revealed. The binding capacity (Bmax) for [3H]-pTA in the corpus striatum was approximatel...

journal_title：British journal of pharmacology

authors： Vaccari A

更新日期：1986-09-01 00:00:00