Effects of heptanol on the neurogenic and myogenic contractions of the guinea-pig vas deferens.

abstract：:The effects of gamma-aminobutyric acid (GABA) applied by ionophoresis, pressure ejection and superfusion to myenteric neurones of the guinea-pig ileum were investigated by intracellular recording techniques. Ionophoretic or pressure application of GABA (10 pC-30 nC) caused membrane depolarizations of AH neurones but n...

journal_title：British journal of pharmacology

authors： Cherubini E,North RA

更新日期：1984-05-01 00:00:00

abstract：:Translational sciences increasingly emphasize the measurement of functions in native human tissues. However, such studies must confront variations in patient age, gender, genetic background and disease. Here, these are discussed with reference to neuromuscular and neurosecretory functions of the human gastrointestinal...

journal_title：British journal of pharmacology

authors： Sanger GJ,Broad J,Kung V,Knowles CH

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The beneficial effect of 5-HT6 receptor antagonism in cognition remains controversial. This study has been undertaken to reassess the cognition enhancing properties of acute vs subchronic treatment with the selective 5-HT6 receptor antagonist SB-271046 in unimpaired rats, as well as against scopo...

journal_title：British journal of pharmacology

authors： Marcos B,Chuang TT,Gil-Bea FJ,Ramirez MJ

更新日期：2008-10-01 00:00:00

abstract：:The contractile responses of the rabbit isolated coeliac and mesenteric arteries to five agonists (angiotensin, adrenaline, histamine, acetylcholine and 5-hydroxytryptamine), but not to K+, were potentiated by indomethacin (8.4 microM) The potentiation was similar whether indomethacin was added 1 h before or during th...

journal_title：British journal of pharmacology

authors： Novelli EL,Oshiro ME,Paiva AC,Paiva TB

更新日期：1983-11-01 00:00:00

abstract：:Opioid drugs such as morphine and meperidine are widely used in clinical pain management, although they can cause some adverse effects. A number of studies indicate that N-methyl-D-aspartate (NMDA) receptors may play a role in the mechanism of morphine analgesia, tolerance and dependence. Being an antitussive with NMD...

journal_title：British journal of pharmacology

authors： Chen SL,Huang EY,Chow LH,Tao PL

更新日期：2005-02-01 00:00:00

abstract：:1. The noradrenaline (NA) concentration in the "heart" (atria and right ventricle) of male rats was estimated at different periods following adrenal demedullation. For 1-3 weeks after the operation there was, in all rats, a reduction in NA content of the tissue, whereas, after somewhat longer intervals, the concentrat...

journal_title：British journal of pharmacology

authors： Borchard F,Vogt M

更新日期：1970-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Animal models of drug-seeking suggest that exposure to cues associated with self-administered drugs and drug primes might precipitate relapse via activation of central dopaminergic substrates. EXPERIMENTAL APPROACH:The effects of priming injections of dopamine and 5-HT agonists on drug-seeking a...

journal_title：British journal of pharmacology

authors： Schenk S,Gittings D,Colussi-Mas J

更新日期：2011-04-01 00:00:00

abstract：:1. Increased calcium (Ca2+) influx has been incriminated as a potential pathological mechanism in the chronic skeletal muscle degeneration exhibited by Duchenne muscular dystrophy (DMD) patients. We have studied the influence of the glucocorticoid alpha-methylprednisolone (PDN), the only drug known to have a beneficia...

journal_title：British journal of pharmacology

authors： Metzinger L,Passaquin AC,Leijendekker WJ,Poindron P,Rüegg UT

更新日期：1995-12-01 00:00:00

abstract：BACKGROUND:Dimebolin (latrepirdine), a compound with multiple potential drug targets, is being evaluated in clinical trials for the treatment of Alzheimer's disease (AD) and preliminary results suggest it can slow the disease process. There is also evidence that dimebolin directly improves aspects of cognition. Here we...

journal_title：British journal of pharmacology

authors： Webster SJ,Wilson CA,Lee CH,Mohler EG,Terry AV Jr,Buccafusco JJ

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Small molecule glucokinase activators (GKAs) have been associated with potent antidiabetic efficacy and hepatic steatosis in rodents. This study reports the discovery of S 50131 and S 51434, two novel GKAs with an original scaffold and an atypical pharmacological profile. EXPERIMENTAL APPROACH:A...

journal_title：British journal of pharmacology

authors： De Ceuninck F,Kargar C,Charton Y,Goldstein S,Perron-Sierra F,Ilic C,Caliez A,Rolin JO,Sadlo M,Harley E,Vinson C,Ktorza A

更新日期：2013-07-01 00:00:00

abstract：:1 Tissue was taken from guinea-pigs that had been injected with guanethidine (100 mg/kg, i.p.) 24 h before they were killed, and from paired control animals.2 Pretreatment with guanethidine caused a significant, substantial, and sometimes complete reduction of the nerve-mediated contractions of the vas deferens. There...

journal_title：British journal of pharmacology

authors： Furness JB

更新日期：1974-01-01 00:00:00

abstract：:1. Inhibition of mechanical activity in longitudinal muscle strips of rabbit duodenum was induced by perivascular and intramural nerve stimulation.2. The effects of perivascular stimulation were abolished by phentolamine + propranolol, guanethidine, reserpine and by tetrodotoxin. The effects of intramural stimulation ...

journal_title：British journal of pharmacology

authors： Weston AH

更新日期：1973-06-01 00:00:00

abstract：:1. In circular smooth muscle of the guinea-pig gastric fundus, transmural nerve stimulation evoked a cholinergic excitatory junction potential (e.j.p.), and blockade of the e.j.p. by atropine revealed a non-adrenergic non-cholinergic (NANC) inhibitory junction potential (i.j.p.). 2. The amplitude of the e.j.p. was inc...

journal_title：British journal of pharmacology

authors： Ohno N,Xue L,Yamamoto Y,Suzuki H

更新日期：1996-03-01 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: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：:In dog trachea in situ, perfused arterially with blood, isoprenaline, glyceryl trinitrate and N-nitroso-N-morpholinoamino-acetonitrile (SIN-1A) given intra-arterially, decreased tracheal tone which had been elevated by neostigmine and increased tracheal blood flow. Glyceryl trinitrate and SIN-1A were more effective on...

journal_title：British journal of pharmacology

authors： Maruyama M,Satoh K,Taira N

更新日期：1981-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Betulinic acid (BA) is a naturally occurring triterpenoid widely distributed throughout the plant kingdom. We previously reported that BA inhibits lipopolysaccharide (LPS)-induced interleukin-6 production through modulation of nuclear factor κB (NF-κB) in human peripheral blood mononuclear cells ...

journal_title：British journal of pharmacology

authors： Viji V,Helen A,Luxmi VR

更新日期：2011-03-01 00:00:00

abstract：:Ischaemia is amongst the leading causes of death. Despite this importance, there are only a few therapeutic approaches to protect from ischaemia-reperfusion injury (IRI). In experimental studies, the amino acid glycine effectively protected from IRI. In the prevention of IRI by glycine in cells and isolated perfused o...

journal_title：British journal of pharmacology

authors： Petrat F,Boengler K,Schulz R,de Groot H

更新日期：2012-04-01 00:00:00

abstract：:1. Non-steroidal anti-inflammatory drugs (NSAIDs) are effective anti-inflammatory and analgesic drugs although they also induce unwanted side effects due to the inhibition of the physiological effects regulated by prostaglandins. This has led to the search for new compounds with fewer side effects, such as the nitro-N...

journal_title：British journal of pharmacology

authors： Romero-Sandoval EA,Mazario J,Howat D,Herrero JF

更新日期：2002-03-01 00:00:00

abstract：:Bacteria have existed on Earth for three billion years or so and have become adept at protecting themselves against toxic chemicals. Antibiotics have been in clinical use for a little more than 6 decades. That antibiotic resistance is now a major clinical problem all over the world attests to the success and speed of ...

journal_title：British journal of pharmacology

authors： Bennett PM

更新日期：2008-03-01 00:00:00

abstract：:1 PD 117302, a new nonpeptide opioid compound shown in in vitro studies to be a selective kappa-opioid agonist, has been evaluated in vivo for antinociceptive activity and other effects characteristic of kappa-receptor activation. 2 Dose-related long lasting antinociception was produced by PD 117302 against a mechanic...

journal_title：British journal of pharmacology

authors： Leighton GE,Johnson MA,Meecham KG,Hill RG,Hughes J

更新日期：1987-12-01 00:00:00

abstract：:1 A rat isolated gastric mucosal preparation was used to monitor histamine output and acid secretion during stimulation by different secretagogues. 2 In non-stimulated preparations, spontaneous histamine output decreased over 450 min. 3 Stimulation of secretion with 4 (5)-methylhistamine or dibutyryl cyclic adenosine ...

journal_title：British journal of pharmacology

authors： Main IH,Pearce JB

更新日期：1982-05-01 00:00:00

abstract：:1. Porcine neuromedin U-8 produced a concentration (0.3 nM-1 microM)-dependent contraction of the longitudinal muscle of the human isolated ileum, which was unaffected by either atropine (1 microM) or tetrodotoxin (1 microM). 2. By contrast, neuromedin U-8 had only a weak effect on the circular muscle of the human iso...

journal_title：British journal of pharmacology

authors： Maggi CA,Patacchini R,Giuliani S,Turini D,Barbanti G,Rovero P,Meli A

更新日期：1990-01-01 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：:Carbon monoxide (CO) is firmly established as an important, physiological signalling molecule as well as a potent toxin. Through its ability to bind metal-containing proteins, it is known to interfere with a number of intracellular signalling pathways, and such actions can account for its physiological and pathologica...

journal_title：British journal of pharmacology

authors： Peers C,Boyle JP,Scragg JL,Dallas ML,Al-Owais MM,Hettiarachichi NT,Elies J,Johnson E,Gamper N,Steele DS

更新日期：2015-03-01 00:00:00

abstract：:1. We previously demonstrated that cyclopiazonic acid (CPA), an inhibitor of Ca(2+)-ATPase in the sarcoplasmic reticulum, induced rhythmic relaxations of active tension in the endothelium-denuded small arteries of the mesentery and the ear of the rabbit, but that this agent failed to induce rhythmic responses in the e...

journal_title：British journal of pharmacology

authors： Omote M,Mizusawa H

更新日期：1996-05-01 00:00:00

abstract：:1. The effects of sulphone have been studied on kinin production in dog plasma and on capillary permeability in the skin of rabbits.2. Dog plasma was used as a substrate for pancreatic kallikrein in vitro and the addition of sulphone caused an inhibition of kinin production, which was dependent on the concentration of...

journal_title：British journal of pharmacology

authors： Abitbol H,Piulats E,Roselló S

更新日期：1969-09-01 00:00:00

abstract：:1,1-Azobis[3-methyl-2-phenylbenzimidazolinium]dimethanesulphonate (AH 10407) has an ultrashort, competitive neuromuscular blocking action in the mouse, cat, dog, Cynamolgus monkey and cotton-eared marmoset. 2 AH 10407 is chemically unstable in bicarbonate-containing solutions and is degraded to inactive products. The ...

journal_title：British journal of pharmacology

authors： Brittain RT,Jack D,Tyers MB

更新日期：1977-09-01 00:00:00

abstract：:The effects of 15-hydroperoxy metabolites of arachidonic acid on vascular tone were evaluated in the perfused mesenteric preparation, the isolated perfused lung and segments of pulmonary arteries of the rat. In the mesenteric preparation, precontracted with phenylephrine, both 15-hydroperoxy-5,8,11,13-eicosatetraenoic...

journal_title：British journal of pharmacology

authors： d'Alarcao M,Corey EJ,Cunard C,Ramwell P,Uotila P,Vargas R,Wroblewska B

更新日期：1987-07-01 00:00:00

abstract：:1. In pithed rats, preganglionic vagal nerve stimulation (at 5 Hz) elicited a bradycardia. This bradycardia was potentiated by the angiotensin converting enzyme inhibitor, captopril (1 mg kg-1, i.v.) by about 40%. Subsequent angiotensin II infusion (0.03 micrograms kg-1 min-1) reversed this effect. A similar facilitat...

journal_title：British journal of pharmacology

authors： Rechtman M,Majewski H

更新日期：1993-09-01 00:00:00