Pharmacological diversity between native human 5-HT1B and 5-HT1D receptors sited on different neurons and involved in different functions.

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：:The effects of caffeine and procaine on noradrenergic transmission in the guinea-pig mesenteric artery were investigated by recording electrical responses of smooth muscle cells and by measuring the outflow of noradrenaline (NA) and 3,4-dihydroxyphenylglycol (DOPEG) induced by perivascular nerve stimulation. Caffeine ...

journal_title：British journal of pharmacology

authors： Fujii K,Miyahara H,Suzuki H

更新日期：1985-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:An innovative chemical approach, named peptide welding technology (PWT), allows the synthesis of multibranched peptides with extraordinary high yield, purity and reproducibility. With this approach, three different tetrabranched derivatives of nociceptin/orphanin FQ (N/OFQ) have been synthesized ...

journal_title：British journal of pharmacology

authors： Rizzi A,Malfacini D,Cerlesi MC,Ruzza C,Marzola E,Bird MF,Rowbotham DJ,Salvadori S,Guerrini R,Lambert DG,Calo G

更新日期：2014-09-01 00:00:00

abstract：:1 The metabolism of extracellular nucleotides plays an important role in nucleotide signalling mediated by P2 receptors. The nucleotide sequence encoding a putative human ecto-ATPase named CD39L1 was reported recently. However, the biological activity of this protein has not been established. 2 Based on the sequence o...

journal_title：British journal of pharmacology

authors： Mateo J,Harden TK,Boyer JL

更新日期：1999-09-01 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. It has previously been shown that the hypoglycaemic drug (-)-AZ-DF-265 stimulates insulin release from mouse islets; in the presence of 3 mM glucose it also inhibits 86Rb-efflux from 86Rb-loaded islets. Based on these data we tested the hypothesis that (-)-AZ-DF-265 inhibits ATP-sensitive potassium channels. 2. We ...

journal_title：British journal of pharmacology

authors： Ronner P,Hang TL,Kraebber MJ,Higgins TJ

更新日期：1992-06-01 00:00:00

abstract：:1. In mouse pancreatic beta-cells the regulation of the diazoxide-sensitivity of the adenosine 5'-triphosphate-dependent K+ channel (K-ATP-channel) was examined by use of the patch-clamp technique. 2. In intact beta-cells incubated at 37 degrees C in the presence of 3 mM D-glucose, diazoxide did not affect the single ...

journal_title：British journal of pharmacology

authors： Schwanstecher C,Dickel C,Ebers I,Lins S,Zünkler BJ,Panten U

更新日期：1992-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Cholecystokinin (CCK) is secreted by intestinal I cells and regulates important metabolic functions. In pancreatic islets, CCK controls beta cell functions primarily through CCK1 receptors, but the signalling pathways downstream of these receptors in pancreatic beta cells are not well defined. E...

journal_title：British journal of pharmacology

authors： Ning SL,Zheng WS,Su J,Liang N,Li H,Zhang DL,Liu CH,Dong JH,Zhang ZK,Cui M,Hu QX,Chen CC,Liu CH,Wang C,Pang Q,Chen YX,Yu X,Sun JP

更新日期：2015-11-01 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：:1. We have investigated the effects of salmeterol (0.3-50 microM) on several pro-inflammatory activities of human neutrophils in vitro. 2. Oxidant production by FMLP- and calcium ionophore (A23187)-activated neutrophils was particularly sensitive to inhibition by low concentrations (0.3-3 microM) of salmeterol, while ...

journal_title：British journal of pharmacology

authors： Anderson R,Feldman C,Theron AJ,Ramafi G,Cole PJ,Wilson R

更新日期：1996-04-01 00:00:00

abstract：:The mechanism underlying the LTC(4)-induced contraction of guinea-pig taenia coli was determined using the simultaneous measurements of [Ca(2+)](i) and force in whole muscle preparations. Additional experiments were performed in receptor coupled permeabilized preparation. For comparison purposes, the contraction which...

journal_title：British journal of pharmacology

authors： Ieiri S,Nishimura J,Hirano K,Suita S,Kanaide H

更新日期：2001-06-01 00:00:00

abstract：:1. The electrical activity of guinea-pig pelvic ganglion cells following iontophoretically applied cholinergic drugs, alone and during orthodromic nerve stimulation via the hypogastric nerve, has been recorded intracellularly.2. Iontophoretic application of nicotine (Nic) and acetylcholine (ACh) reduced membrane resis...

journal_title：British journal of pharmacology

authors： Holman ME,Muir TC,Szurszewski JH,Yonemura K

更新日期：1971-01-01 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. Transcriptional control of the human beta(2) adrenergic receptor gene (ADRB2) predominantly resides within a 549 base pair region immediately 5' to the start of translation. Within this region, four naturally occurring polymorphisms, -468 C-->G, -367 T-->C, -47 T-->C, and -20 T-->C, have been identified. 2. To dete...

journal_title：British journal of pharmacology

authors： Johnatty SE,Abdellatif M,Shimmin L,Clark RB,Boerwinkle E

更新日期：2002-12-01 00:00:00

abstract：:The past two decades have seen an immense increase in our appreciation of the vast range of signalling processes and supporting machinery that occur in cells. Pivotal to this is the notion of signal compartmentalization (compartmentation). Targeting by protein domains is critical in allowing signalling complexes to be...

journal_title：British journal of pharmacology

authors： Houslay MD

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The effects of bergamot essential oil (BEO; Citrus bergamia, Risso) on excitotoxic neuronal damage was investigated in vitro. EXPERIMENTAL APPROACH:The study was performed in human SH-SY5Y neuroblastoma cells exposed to N-methyl-D-aspartate (NMDA). Cell viability was measured by dye exclusion. R...

journal_title：British journal of pharmacology

authors： Corasaniti MT,Maiuolo J,Maida S,Fratto V,Navarra M,Russo R,Amantea D,Morrone LA,Bagetta G

更新日期：2007-06-01 00:00:00

abstract：:Research into the pharmacology of individual cannabinoids that began in the 1940s, several decades after the presence of a cannabinoid was first detected in cannabis, is concisely reviewed. Also described is how this pharmacological research led to the discovery of cannabinoid CB(1) and CB(2) receptors and of endogeno...

journal_title：British journal of pharmacology

authors： Pertwee RG

更新日期：2006-01-01 00:00:00

abstract：:The chronic morphine-induced inhibition of rat liver tryptophan pyrrolase activity and the resultant increases in tryptophan availability to the brain and brain 5-hydroxytryptamine (5-HT) synthesis are reversed within 10 min after naloxone administration. The possible involvement of hepatic tryptophan metabolism in mo...

journal_title：British journal of pharmacology

authors： Badawy AA,Evans M

更新日期：1981-11-01 00:00:00

abstract：:The binding of DL-[3,4-3H] 2-amino-4-phosphonobutyric acid DL[3H]-APB to rat whole brain synaptic membranes was investigated. Binding was linear with membrane protein concentration, and optimal at physiological pH and temperature. The association rate was rapid, achieving equilibrium within 10 min. Prolonged incubatio...

journal_title：British journal of pharmacology

authors： Butcher SP,Collins JF,Roberts PJ

更新日期：1983-10-01 00:00:00

abstract：:1. Prolongation of action potentials by cooling or pharmacological treatment can restore conduction in demyelinated axons. We have assessed the ability of pyrethroids (in vitro) to modify action potential kinetics and to reverse conduction block in lesioned peripheral nerve. 2. Fast Na+ currents were isolated in mamma...

journal_title：British journal of pharmacology

authors： Lees G

更新日期：1998-02-01 00:00:00

abstract：:Annexin A2 (AnxA2) was originally identified as a substrate of the pp60v-src oncoprotein in transformed chicken embryonic fibroblasts. It is an abundant protein that associates with biological membranes as well as the actin cytoskeleton, and has been implicated in intracellular vesicle fusion, the organization of memb...

journal_title：British journal of pharmacology

authors： Liu Y,Myrvang HK,Dekker LV

更新日期：2015-04-01 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. The aims of the present study were to determine whether long-term 5-hydroxytryptamine (5-HT) reuptake blockade and inhibition of type-A monoamine oxidase (MAO-A) lead to an enhancement of the electrically evoked release of tritum from guinea-pig brain slices preloaded with [3H]-5-HT, and to assess the sensitivity o...

journal_title：British journal of pharmacology

authors： Blier P,Bouchard C

更新日期：1994-10-01 00:00:00

abstract：:1 The effects of electrical stimulation, changes in external ion concentrations and various drugs on acetylcholine release from the myenteric plexus were measured by bioassay in the presence of physostigmine and by recording the responses of the longitudinal muscle. In preparations from the guinea-pig, the acetylcholi...

journal_title：British journal of pharmacology

authors： Cowie AL,Kosterlitz HW,Waterfield AA

更新日期：1978-12-01 00:00:00

abstract：:Using an in vitro mouse cerebellar slice preparation and whole-cell electrophysiological recording techniques we have characterized Purkinje and basket cell inhibitory post-synaptic currents (IPSCs), and examined the effects of a number of selective peptidergic K+ channel blockers. Spontaneous IPSC amplitude ranged fr...

journal_title：British journal of pharmacology

authors： Southan AP,Robertson B

更新日期：1998-11-01 00:00:00

abstract：:1. We have investigated the role of endogenous nitric oxide on renal vascular reactivity in late pregnancy in in situ blood perfused kidneys of alpha-chloralose anaesthetized Wistar-Kyoto rats. Nitric oxide synthesis inhibition was achieved by intravenous administration of NG-nitro-L-arginine or NG-nitro-L-arginine me...

journal_title：British journal of pharmacology

authors： Chu ZM,Beilin LJ

更新日期：1997-09-01 00:00:00

abstract：:1. Thoracic aortae, isolated from rats supplemented with dietary vitamin E after vitamin E deficiency, were analysed for changes in vascular reactivity. 2. Following 4 or 12 months of dietary vitamin E deficiency, endothelium-dependent vasodilator responses to acetylcholine were significantly impaired. However, when a...

journal_title：British journal of pharmacology

authors： Rubino A,Burnstock G

更新日期：1994-06-01 00:00:00

abstract：:Interleukin-2 (IL-2), an immunoregulatory cytokine possessing antitumour activity, is an inducer of nitric oxide (NO) synthesis in mice and man. In this study, the possibility that IL-2 possesses antiangiogenic properties that account for its antitumour effects in vivo was examined. IL-2 caused a dose-dependent inhibi...

journal_title：British journal of pharmacology

authors： Sakkoula E,Pipili-Synetos E,Maragoudakis ME

更新日期：1997-11-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Selective oestrogen receptor (ER) modulators (SERMs) are of great value in the treatment of breast cancer and osteoporosis. The aim of this study was to characterize pharmacologically a new class of SERMs synthesized based on the core structure of raloxifene. EXPERIMENTAL APPROACH:Competitive re...

journal_title：British journal of pharmacology

authors： Ning M,Zhou C,Weng J,Zhang S,Chen D,Yang C,Wang H,Ren J,Zhou L,Jin C,Wang MW

更新日期：2007-01-01 00:00:00

abstract：:1. Membranes from rat cerebral cortex, myocardium and extraorbital lacrimal gland were used as sources of M1, M2 and M3 muscarinic acetylcholine receptors respectively and the affinities of seven antagonists for the three subtypes were examined under different experimental conditions. 2. The affinities for the membran...

journal_title：British journal of pharmacology

authors： Pedder EK,Eveleigh P,Poyner D,Hulme EC,Birdsall NJ

更新日期：1991-06-01 00:00:00