Prostaglandin production by a mild inflammatory lesion in sheep.

abstract：:The metabolism and efficacy of 5-fluorouracil (FUra) and other fluorinated pyrimidine (FP) derivatives have been intensively investigated for over fifty years. FUra and its antimetabolites can be incorporated at RNA- and DNA-levels, with RNA level incorporation provoking toxic responses in human normal tissue, and DNA...

journal_title：British journal of pharmacology

authors： Li LS,Morales JC,Veigl M,Sedwick D,Greer S,Meyers M,Wagner M,Fishel R,Boothman DA

更新日期：2009-10-01 00:00:00

abstract：:The neuroprotective drug riluzole has multiple effects on cellular signaling. We found that riluzole rapidly and reversibly inhibited spontaneous Ca2+ oscillations in both immortalized GnRH-secreting hypothalamic neurons (GT1 cells) and in the prolactin and growth-hormone-secreting GH3 cell line. At lower concentratio...

journal_title：British journal of pharmacology

authors： Beltran-Parrazal L,Charles A

更新日期：2003-11-01 00:00:00

abstract：:1. The aim of the present experiments was to determine whether 5-HT1A receptors play a role in the control of the reflex activation of pulmonary vagal motoneurones. This was carried out by investigating the effects of intracisternal injections (i.c.) of the 5-HT1A receptor ligands, 8-OH-DPAT (50 micrograms kg-1), busp...

journal_title：British journal of pharmacology

authors： Bootle DJ,Adcock JJ,Ramage AG

更新日期：1996-02-01 00:00:00

abstract：:3,4-Methylenedioxymethamphetamine (MDMA, 'ecstasy') administration to rats produces hyperthermia if they are housed in normal or warm ambient room temperature (Ta) conditions (>or=20 degrees C), but hypothermia when in cool conditions (Ta

journal_title：British journal of pharmacology

authors： Green AR,O'Shea E,Saadat KS,Elliott JM,Colado MI

更新日期：2005-09-01 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：:Although previous reports have suggested that the sigma 1 (sigma(1)) receptor may be involved in pain sensation, its specific site of action has not been elucidated. The aim of present study was to determine the role of the spinal sigma(1) receptor in formalin-induced pain behavior, spinal cord Fos expression and phos...

journal_title：British journal of pharmacology

authors： Kim HW,Kwon YB,Roh DH,Yoon SY,Han HJ,Kim KW,Beitz AJ,Lee JH

更新日期：2006-06-01 00:00:00

abstract：:1. Endothelial cells, under given circumstances, can initiate contraction (constriction) of the vascular smooth muscle cells that surround them. Such endothelium-dependent, acute increases in contractile tone can be due to the withdrawal of the production of nitric oxide, to the production of vasoconstrictor peptides ...

journal_title：British journal of pharmacology

authors： Vanhoutte PM,Feletou M,Taddei S

更新日期：2005-02-01 00:00:00

abstract：:1 Non-adrenergic non-cholinergic (NANC) vasodilator nerves regulate tone in certain vascular beds. We have investigated the mechanisms of the NANC dilator response in the isolated small mesenteric artery of the rabbit by use of the tension myograph. 2 Small second or third order (150-300 microm in diameter) arteries o...

journal_title：British journal of pharmacology

authors： Kakuyama M,Vallance P,Ahluwalia A

更新日期：1998-01-01 00:00:00

abstract：:1. To investigate the role of long-term stimulation of nicotinic acetylcholine receptors (AChRs) on the regulation of membrane potential, non-contracting C2C12 myotubes were stimulated for 1-4 days with carbachol (10 microM) and membrane potentials were measured by the intracellular microelectrode technique after wash...

journal_title：British journal of pharmacology

authors： Henning RH,Nelemans SA,van den Akker J,den Hertog A

更新日期：1994-02-01 00:00:00

abstract：:1. An investigation was carried out to determine if the sympathoinhibition caused by urapidil is due to activation of 5-HT1A receptors by investigating whether it could be reversed by the non-selective 5-HT1A receptor antagonist spiperone. To control for the possibility of functional antagonism by spiperone, the abili...

journal_title：British journal of pharmacology

authors： Ramage AG

更新日期：1991-04-01 00:00:00

abstract：:1. The interactions between N-methyl-D-aspartate (NMDA) and metabotropic glutamate receptors (mGluRs) were investigated in striatal slices, by utilizing intracellular recordings, both in current- and voltage-clamp mode. 2. Bath-application (50 microM) or focal application of NMDA induced a transient membrane depolariz...

journal_title：British journal of pharmacology

authors： Pisani A,Calabresi P,Centonze D,Bernardi G

更新日期：1997-03-01 00:00:00

abstract：:1. We investigated the potent 5-hydroxytryptamine (5-HT)-mediated vasorelaxation of the sheep pulmonary vein. Here we present evidence that this response is due to activation of 5-HT4 receptors. 2. 5-HT (1-1000 nM) caused concentration-dependent, maintained relaxations (pEC50 = 8.4 +/- 0.1) of isolated rings of sheep ...

journal_title：British journal of pharmacology

authors： Cocks TM,Arnold PJ

更新日期：1992-10-01 00:00:00

abstract：:1. We have taken advantage of our recent development of highly potent and specific phosphinic inhibitors of endopeptidase 3.4.24.15 to examine the putative contribution of the enzyme in the secretion of A beta by HK293 transfected cells overexpressing the wild type and the Swedish (Sw) double mutated form of beta APP7...

journal_title：British journal of pharmacology

authors： Chevallier N,Jiracek J,Vincent B,Baur CP,Spillantini MG,Goedert M,Dive V,Checler F

更新日期：1997-06-01 00:00:00

abstract：:Mouse spiders represent a potential cause of serious envenomation in humans. This study examined the activity of Missulena bradleyi venom in several in vitro preparations. Whilst female M. bradleyi venom at doses up to 0.05 microl ml(-1) failed to alter twitch or resting tension in all preparations used, male venom (0...

journal_title：British journal of pharmacology

authors： Rash LD,Birinyi-Strachan LC,Nicholson GM,Hodgson WC

更新日期：2000-08-01 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. The effect of several clinically used dyes on prostaglandin E2 (PGE2) inactivation was studied in rat and human isolated lung. 2. All the dyes, given as infusions through the pulmonary circulation, inhibited the inactivation of PGE2 as measured by bioassay. The action of the dyes was readily reversible on stopping ...

journal_title：British journal of pharmacology

authors： Bakhle YS

更新日期：1981-04-01 00:00:00

abstract：:Adenosine enhanced histamine release and prolonged the adenosine 3':5'-cyclic monophosphate (cyclic AMP) response in purified rat peritoneal mast cells following immunological challenge. The effect on the cyclic AMP response, which was blocked by 8-phenyltheophylline, probably results from an interaction with A2-purin...

journal_title：British journal of pharmacology

authors： Church MK,Hughes PJ

更新日期：1985-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Up-regulation of thioredoxin interacting protein (TXNIP), an endogenous inhibitor of thioredoxin (Trx), compromises cellular antioxidant and anti-apoptotic defences and stimulates pro-inflammatory cytokines expression, implying a role for TXNIP in apoptosis. Here we have examined the causal role ...

journal_title：British journal of pharmacology

authors： Al-Gayyar MM,Abdelsaid MA,Matragoon S,Pillai BA,El-Remessy AB

更新日期：2011-09-01 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：:Free radicals as well as the AT1 receptor are involved in the pathogenesis of cardiovascular disease. Both the intracellular mechanisms of AT1 receptor regulation and the effect of free radicals on AT1 receptor expression are currently unknown. This study investigates the role of free radicals in the modulation of AT1...

journal_title：British journal of pharmacology

authors： Nickenig G,Strehlow K,Bäumer AT,Baudler S,Wassmann S,Sauer H,Böhm M

更新日期：2000-10-01 00:00:00

abstract：:Perivascular adipose tissue (PVAT) is now recognized as an active player in vascular homeostasis. The expansion of PVAT in obesity and its possible role in vascular dysfunction have attracted much interest. In terms of the regulation of vascular tone and blood pressure, PVAT has been shown to release vasoactive mediat...

journal_title：British journal of pharmacology

authors： Ramirez JG,O'Malley EJ,Ho WSV

更新日期：2017-10-01 00:00:00

abstract：:1 ATP is an important vasoactive mediator, which acts via two receptor classes: P2X and P2Y. Activation of P2X receptors has traditionally been associated with the well-characterised vasoconstrictor properties of ATP. 2 In the current study, we have shown that the P2X(1 & 3) receptor ligand, alpha, beta methylene ATP,...

journal_title：British journal of pharmacology

authors： Harrington LS,Mitchell JA

更新日期：2004-11-01 00:00:00

abstract：:The effect of acute, streptozotocin-induced diabetes on the affinity (KD), density (Bmax) and selectivity of specific, high affinity binding sites for [125I]-endothelin [( 125I]-ET) in rat cardiac membrane fragments was determined. Three days after a single i.v. bolus dose of streptozotocin (60 mg kg-1), the density o...

journal_title：British journal of pharmacology

authors： Nayler WG,Liu JJ,Panagiotopoulos S,Casley DJ

更新日期：1989-08-01 00:00:00

abstract：:1. In anaesthetized patients under controlled respiration, samples of lumbar cerebrospinal fluid were withdrawn 15 and 60 min after an intravenous injection of 30 mg tubocurarine. When tested on the frog rectus muscle preparation contracted by acetylcholine, they exerted curare-like activity which corresponded to betw...

journal_title：British journal of pharmacology

authors： Devasankaraiah G,Haranath PS,Krishnamurty A

更新日期：1973-04-01 00:00:00

abstract：:1. To investigate the underlying mechanism for the angiotensin II-induced desensitization of the contractile response during the prolonged stimulation of the vascular smooth muscle, we determined the effects of angiotensin-II on (1) cytosolic Ca2+ concentration ([Ca2+]i) and tension using fura-2-loaded medial strips o...

journal_title：British journal of pharmacology

authors： Ushio-Fukai M,Yamamoto H,Toyofuku K,Nishimura J,Hirano K,Kanaide H

更新日期：2000-02-01 00:00:00

abstract：:1. The effects of inhibiting endogenous Cu/Zn superoxide dismutase (SOD) with diethyldithiocarbamate (DETCA) were examined on the ability of hydroquinone, hydroxocobalamin and carboxy-PTIO to block nitrergic relaxation in the bovine retractor penis (BRP) muscle. 2. Incubation of strips of BRP with DETCA (3 mM) for 2 h...

journal_title：British journal of pharmacology

authors： Paisley K,Martin W

更新日期：1996-04-01 00:00:00

abstract：:1 Citrated platelet-rich plasma was prepared from New Zealand white rabbits before, during and after administration of chlorpromazine (2 mg/kg) intramuscularly once daily for 3 to 4 weeks. 2 In these plasmas, the velocity of platelet aggregation by 5-hydroxytryptamine (5-HT) added at 1, 3 and 10 microM increased great...

journal_title：British journal of pharmacology

authors： Baldacci M,Baldacci M,Bergel TD,Born GV,Hickman M

更新日期：1980-05-01 00:00:00

abstract：:1. The concentrations of 5-hydroxytryptamine (5-HT), 5-hydroxyindolacetic acid (5-HIAA) and noradrenaline (NA) in homogenized rat brains were determined after intraperitoneal injection of 1,2,3,4-tetrahydro-2-naphthylamine (THN).2. THN caused a decrease in the concentration of brain 5-HIAA without altering its 5-HT co...

journal_title：British journal of pharmacology

authors： Bruinvels J

更新日期：1971-06-01 00:00:00

abstract：:1 Endothelin-1 (ET-1), an endothelium-derived vasoactive peptide, participates in the regulation of endothelial function through mechanisms that are not fully elucidated. This study examined the impact of ET-1 on oxidative stress, apoptosis and cell proliferation in human umbilical vein endothelial cells (HUVEC). HUVE...

journal_title：British journal of pharmacology

authors： Dong F,Zhang X,Wold LE,Ren Q,Zhang Z,Ren J

更新日期：2005-06-01 00:00:00

abstract：:1. The aim of this study was to investigate the cardiovascular effects of a novel, potent and specific phosphodiesterase 5 (PDE 5) inhibitor, 1,3 dimethyl-6-(2-propoxy-5-methane sulphonylamidophenyl)-pyrazolo[3,4-d]pyrimidin-4-(5H)-one (DMPPO) in phenylephrine-precontracted rat aortic rings and different in vivo rat p...

journal_title：British journal of pharmacology

authors： Delpy E,le Monnier de Gouville AC

更新日期：1996-07-01 00:00:00