Prostaglandin F2alpha reduces the algesic effect of bradykinin by antagonizing the pain enhancing action of endogenously released prostaglandin E.

abstract：:1. Nociceptin, the endogenous ORL(1) receptor agonist inhibited the motor response to electrical-field stimulation in the rat anococcygeus muscle. This effect was characterized using the peptide ligands acetyl-Arg-Tyr-Tyr-Arg-Trp-Lys-NH(2) (Ac-RYYRWK-NH(2)), acetyl-Arg-Tyr-Tyr-Arg-Ile-Lys-NH(2) (Ac-RYYRIK-NH(2)) and [...

journal_title：British journal of pharmacology

authors： Ho M,Corbett AD,McKnight AT

更新日期：2000-09-01 00:00:00

abstract：:1. Chronic benzodiazepine administration has been associated with tolerance and with downregulation of gamma-aminobutyric acidA (GABAA)-receptor binding and function. However, effects of individual benzodiazepines on brain regions have varied. 2. To compare the effects of chronic lorazepam and alprazolam, we have admi...

journal_title：British journal of pharmacology

authors： Galpern WR,Miller LG,Greenblatt DJ,Shader RI

更新日期：1990-12-01 00:00:00

abstract：:1. We have used the whole-cell patch clamp technique to study the effect of the partial anti-oestrogens clomiphene and nafoxidine, the pure anti-oestrogens ICI 182,780 and RU 58,668 and the oestrogen ss-estradiol, on the volume-regulated anion channel (VRAC) in cultured pulmonary artery endothelial (CPAE) cells. 2. In...

journal_title：British journal of pharmacology

authors： Maertens C,Droogmans G,Chakraborty P,Nilius B

更新日期：2001-01-01 00:00:00

abstract：:We have investigated the effects of methylenedioxymethamphetamine (MDMA, 'ecstasy'), i.v., on diastolic blood pressure (DBP) in pithed and pentobarbitone anaesthetized rats. In pithed rats, the non-selective 5-HT receptor antagonist methiothepin (0.1 mg kg(-1)) and the alpha2-adrenoceptor antagonists methoxyidazoxan a...

journal_title：British journal of pharmacology

authors： McDaid J,Docherty JR

更新日期：2001-06-01 00:00:00

abstract：:1. Intra-arterial blood pressures and heart rates were recorded in conscious, unrestrained, Long Evans and Brattleboro rats receiving sequential, continuous administrations of selective alpha 1- (prazosin) and alpha 2- (idazoxan) adrenoceptor antagonists. The same protocols were also run in the presence of ICI 118551 ...

journal_title：British journal of pharmacology

authors： Gardiner SM,Bennett T

更新日期：1988-01-01 00:00:00

abstract：:1. The present study was designed to test the hypothesis that beneficial effects of angiotensin converting enzyme (ACE)inhibitors are independent of a fall in blood pressure in rat experimental heart failure following coronary ligation. 2. The animals were assigned randomly to six groups; sham operation, controls subj...

journal_title：British journal of pharmacology

authors： Chiba K,Moriyama S,Ishigai Y,Fukuzawa A,Irie K,Shibano T

更新日期：1994-07-01 00:00:00

abstract：:1. We have investigated the effects of the selective phosphodiesterase (PDE) type 4 inhibitor, rolipram (0.01-1 microM) on cytosolic Ca2+ fluxes in FMLP-activated human neutrophils, as well as on superoxide production by, and release of elastase from, these cells. 2. Cytosolic Ca2+ fluxes were measured by use of fura-...

journal_title：British journal of pharmacology

authors： Anderson R,Goolam Mahomed A,Theron AJ,Ramafi G,Feldman C

更新日期：1998-06-01 00:00:00

abstract：:The alpha2-adrenoceptor function in mesenteric arteries of spontaneously hypertensive rats (SHR) was investigated by comparing membrane potential changes in response to adrenergic agonists in preparations from female SHR, Wistar-Kyoto (WKY) and normotensive Wistar rats (NWR). Resting membrane potential was found to be...

journal_title：British journal of pharmacology

authors： Feres T,Borges AC,Silva EG,Paiva AC,Paiva TB

更新日期：1998-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Rhythmical transient constrictions of the lymphatic vessels provide the means for efficient lymph drainage and interstitial tissue fluid balance. This activity is critical during inflammation, to avoid or limit oedema resulting from increased vascular permeability, mediated by the release of vari...

journal_title：British journal of pharmacology

authors： Rehal S,Blanckaert P,Roizes S,von der Weid PY

更新日期：2009-12-01 00:00:00

abstract：:1. The effects of intravenous administration of two alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) antagonists were studied on responses of single neurones to iontophoretically applied excitatory amino acids. The tests were performed on spinal neurones in alpha-chloralose anaesthetized, spinalized rat...

journal_title：British journal of pharmacology

authors： Chizh BA,Cumberbatch MJ,Headley PM

更新日期：1994-07-01 00:00:00

abstract：:1 Post-tetanic potentiation (p.t.p.) of the compound action potential in the presence of hexamethonium was observed in the isolated stellate ganglion of the hamster using extracellular postganglionic recordings. 2 The magnitude of the p.t.p. was small (less than a 20% increase) in the control solution, but increased a...

journal_title：British journal of pharmacology

authors： Christ D

更新日期：1980-06-01 00:00:00

abstract：:1. Calcium channel blockers increase cardiovascular morbidity and mortality in patients with left ventricular dysfunction. These adverse effects are probably related to the negative inotropic effect of calcium channel blockers and/or a neurohormonal activation. 2. The present study was designed to examine, in consciou...

journal_title：British journal of pharmacology

authors： Su J,Renaud N,Carayon A,Crozatier B,Hittinger L

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Although botulinum toxin type A (BoNT/A) is approved for chronic migraine treatment, its mechanism of action is still unknown. Dural neurogenic inflammation (DNI) commonly used to investigate migraine pathophysiology can be evoked by trigeminal pain. Here, we investigated the reactivity of crania...

journal_title：British journal of pharmacology

authors： Lacković Z,Filipović B,Matak I,Helyes Z

更新日期：2016-01-01 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：:1. The aim of the present study was to examine whether ramipril induces delayed myocardial protection against free radical injuries ex vivo and to determine the possible role of the bradykinin B2-nitric oxide (NO) pathway, prostaglandins(PGs) and protein synthesis in this delayed adaptive response. 2. Rats were pretre...

journal_title：British journal of pharmacology

authors： Jin ZQ,Chen X

更新日期：1998-10-01 00:00:00

abstract：:1 Isolated duodenum of the rat, exposed to ultraviolet (u.v.) light in the presence of NO2 ions, responded with reversible relaxation. 2 The photorelaxation response did not seem to involve any known receptor mechanisms and was independent of any ganglionic or neuronal influences. 3 Changes in the ionic environment of...

journal_title：British journal of pharmacology

authors： Dave KC,Jindal MN,Kelkar VV,Trivedi HD

更新日期：1979-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Parabens are commonly added in pharmaceutical, cosmetic and food products because of their wide antibacterial properties, low toxicity, inertness and chemical stability, although the molecular mechanism of their antibacterial effect is not fully understood. Some agonists of the transient receptor...

journal_title：British journal of pharmacology

authors： Fujita F,Moriyama T,Higashi T,Shima A,Tominaga M

更新日期：2007-05-01 00:00:00

abstract：:Hind paw oedema in rats, measured by plethysmography or extravasation of Evans Blue dye into the skin, after subplantar injection of submaximal doses of carrageenin (1-100 micrograms) was significantly increased for 4 h during kininase II inhibition with captopril (1 mg kg-1, s.c.). Submaximal oedema, as assessed by p...

journal_title：British journal of pharmacology

authors： Boura AL,Svolmanis AP

更新日期：1984-05-01 00:00:00

abstract：:Oestrogens are important sex hormones central to health and disease in both genders that have protective effects on the cardiovascular and metabolic systems. These hormones act in complex ways via both genomic and non-genomic mechanisms. The genomic mechanisms are relatively well characterized, whereas the non-genomic...

journal_title：British journal of pharmacology

authors： Nilsson BO,Olde B,Leeb-Lundberg LM

更新日期：2011-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:While remifentanil can be used either during labour or fetal surgery, more should be known about the transplacental transfer of this opioid. The aim of this study was to investigate the placental transfer and haemodynamic effects of remifentanil after i.v. administration to pregnant ewes. EXPERI...

journal_title：British journal of pharmacology

authors： Coonen JB,Marcus MA,Joosten EA,van Kleef M,Neef C,van Aken H,Gogarten W

更新日期：2010-12-01 00:00:00

abstract：:1. To investigate the quantitative relationship between elevation in the intracellular Ca(2+) concentration ([Ca(2+)](i)) and nitric oxide (NO) production, the changes in [Ca(2+)](i) and NO production were determined in parallel, using fluorimetry of fura-2 and 2, 3-diaminonaphthalene, respectively, in endothelial cel...

journal_title：British journal of pharmacology

authors： Mizuno O,Kobayashi S,Hirano K,Nishimura J,Kubo C,Kanaide H

更新日期：2000-07-01 00:00:00

abstract：:1. I.C.I. 50172 had marked quinidine-like effects on intracellular cardiac action potentials at concentrations above 20 mg/l. (6.61 x 10(-5)M). The rate of rise and overshoot of the action potential, conduction velocity and contractions were decreased. (-)-Propranolol had similar effects at less than 1/30 this concent...

journal_title：British journal of pharmacology

authors： Papp JG,Williams EM

更新日期：1969-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Non-alcoholic hepatic fatty liver disease (NAFLD) is a manifestation of the metabolic syndrome in the liver and non-alcoholic steatohepatitis (NASH) represents its advanced stage. R17 derived from bouchardatine, shows benefits in the metabolic syndrome, but has not been tested in the liver. The p...

journal_title：British journal of pharmacology

authors： Rao Y,Lu YT,Li C,Song QQ,Xu YH,Xu Z,Hu YT,Yu H,Gao L,Gu LQ,Ye JM,Huang ZS

更新日期：2019-08-01 00:00:00

abstract：:1. U937 cells are a continuous line of human cells of committed monocytic origin which serve as a useful model for studying human monocytic function. The present study investigated the effect of platelet-activating factor (Paf) on intracellular free calcium ion concentration ([Ca2+]i) in U937 cells using the calcium f...

journal_title：British journal of pharmacology

authors： Ward SG,Westwick J

更新日期：1988-04-01 00:00:00

abstract：:1. The actions of etorphine, morphine and diprenorphine were investigated on neurones of the cerebral cortex and spinal cord of rats anaesthetized with pentobarbitone.2. In the cerebral cortex, intravenous etorphine increased the latency of the primary evoked response to a peripheral nerve stimulus and suppressed the ...

journal_title：British journal of pharmacology

authors： Biscoe TJ,Duggan AW,Lodge D

更新日期：1972-10-01 00:00:00

abstract：:1. We examined the gastric mucosal blood flow (GMBF) and ulcerogenic responses following barrier disruption induced by sodium taurocholate (TC) in diabetic rats and investigated the role of capsaicin-sensitive sensory neurons in these responses. 2. Animals were injected streptozotocin (STZ: 70 mg kg(-1), i.p.) and use...

journal_title：British journal of pharmacology

authors： Tashima K,Korolkiewicz R,Kubomi M,Takeuchi K

更新日期：1998-08-01 00:00:00

abstract：:1. We have investigated pre- and post-junctional responsiveness in vas deferens from wild-type and alpha(2A/D)-adrenoceptor knockout mice. The response to a single stimulus was not significantly different between wild-type and knock-out mice. The isometric contraction to 10 Hz stimulation for 4 s was significantly lar...

journal_title：British journal of pharmacology

authors： Cleary L,Vandeputte C,Docherty JR

更新日期：2002-07-01 00:00:00

abstract：:1. The subtypes of endothelin receptors that mediate the effects of endothelin-1 (ET-1) on mean arterial pressure (MAP), heart rate (HR), mean circulatory filling pressure (MCFP), arterial resistance (RA), cardiac output (CO) and venous resistance (RV) were characterized in 9 groups of pentobarbitone-anaesthetized rat...

journal_title：British journal of pharmacology

authors： Palacios B,Lim SL,Pang CC

更新日期：1997-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:This study examined the antinociceptive effects of sinomenine in a rat model of postoperative pain. EXPERIMENTAL APPROACH:Male and female rats were subjected to a surgical incision in the right hind paw, and the von Frey filament test was used to measure mechanical hypersensitivity after drug or...

journal_title：British journal of pharmacology

authors： Zhu Q,Sun Y,Mao L,Liu C,Jiang B,Zhang W,Li JX

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Kyotorphin (KTP; L-Tyr-L-Arg), an endogenous neuropeptide, is potently analgesic when delivered directly to the central nervous system. Its weak analgesic effects after systemic administration have been explained by inability to cross the blood-brain barrier (BBB) and detract from the possible cl...

journal_title：British journal of pharmacology

authors： Ribeiro MM,Pinto A,Pinto M,Heras M,Martins I,Correia A,Bardaji E,Tavares I,Castanho M

更新日期：2011-07-01 00:00:00