A patch clamp study of gamma-aminobutyric acid (GABA)-induced macroscopic currents in rat melanotrophs in cell culture.

abstract：:N-terminal labelled fluorescent BODIPY-NPY peptide analogues were tested in Y1, Y2, Y4 and Y5 receptor-binding assays performed in rat brain membrane preparations and HEK293 cells expressing the rat Y1, Y2, Y4 and Y5 receptors. BODIPY TMR/FL-[Leu31, Pro34]NPY/PYY were able to compete for specific [125][Leu31, Pro34]PY...

journal_title：British journal of pharmacology

authors： Dumont Y,Gaudreau P,Mazzuferi M,Langlois D,Chabot JG,Fournier A,Simonato M,Quirion R

更新日期：2005-12-01 00:00:00

abstract：:1. The effects of 8-bromoguanosine 3':5'-cyclic monophosphate (8-bromo-cyclic GMP) on phenylephrine-induced contractions and phosphatidylinositol (PI) hydrolysis were investigated in rat isolated caudal artery. The effects of the nucleotide were compared to those of felodipine, a dihydropyridine Ca2+ channel antagonis...

journal_title：British journal of pharmacology

authors： Lum Min SA,Tabrizchi R

更新日期：1995-09-01 00:00:00

abstract：:In electrophysiological measurements the beta-carboline ethyl 6-benzyloxy-beta-carboline-3-carboxylate (ZK 91085) acts as a positive allosteric modulator on rat recombinant alpha1beta2gamma2 GABA(A) receptors and binds with high affinity (IC50-1.5 nM) to the [3H]-flunitrazepam site. Flumazenil was able to partially co...

journal_title：British journal of pharmacology

authors： Thomet U,Baur R,Scholze P,Sieghart W,Sigel E

更新日期：1999-07-01 00:00:00

abstract：:1. Primary porcine hepatocytes and enterocytes were isolated and cultured in Williams' E medium for up to 10 days to investigate potential organ differences in the metabolism of the immunosuppressive compound tacrolimus (FK 506) and of two investigational drugs (KC11346 and KC12291). Using LC-MS (FK506) and HPLC-FL (K...

journal_title：British journal of pharmacology

authors： Bader A,Hansen T,Kirchner G,Allmeling C,Haverich A,Borlak JT

更新日期：2000-01-01 00:00:00

abstract：:1. The vasodilator effects of arginine, nitric oxide (NO), acetylcholine (ACh) and sodium nitroprusside (NP) in the noradrenaline-preconstricted ('high tone') perfused rat kidney have been examined. 2. L-Arginine (0.6-23 mumol) caused a biphasic change in renal perfusion pressure. D-Arginine (0.6-23 mumol) was without...

journal_title：British journal of pharmacology

authors： Bhardwaj R,Moore PK

更新日期：1989-07-01 00:00:00

abstract：:1. The effect of 1-aminocyclopropanecarboxylic acid (ACPC), a partial agonist at the glycine site of the N-methyl-D-aspartate (NMDA) receptor complex that exhibits neuroprotective, anxiolytic and antidepressant-like actions, was investigated in a functional assay for presynaptic NMDA receptors. 2. NMDA (100 microM) pr...

journal_title：British journal of pharmacology

authors： Clos MV,Garcia Sanz A,Trullas R,Badia A

更新日期：1996-06-01 00:00:00

abstract：:(1) We determined the effects of long-term treatment with aminoguanidine (AG), an inhibitor of advanced glycation end products, on the mechanical properties of the arterial system in aged Fisher 344 rats, using the aortic impedance analysis. (2) Normotensive rats were treated from 18 to 24 months with AG (1 g/l-1 in d...

journal_title：British journal of pharmacology

authors： Chang KC,Hsu KL,Peng YI,Lee FC,Tseng YZ

更新日期：2003-09-01 00:00:00

abstract：:1 Uniaxial cyclic stretch leads to an upregulation of cyclooxygenase (COX)-2 through increases in the intracellular Ca(2+) concentration via the stretch-activated (SA) channel and following nuclear factor kappa B (NF-kappaB) activation in human fibroblasts. However, the signaling mechanism as to how the elevated Ca(2+...

journal_title：British journal of pharmacology

authors： Amma H,Naruse K,Ishiguro N,Sokabe M

更新日期：2005-06-01 00:00:00

abstract：:1. We studied the role of bradykinin (BK) and its active metabolite Des-Arg9-BK on noradrenaline release in association with the incidence of ventricular arrhythmias at reperfusion of the ischaemic myocardium. 2. Experiments were performed in Langendorff perfused isolated hearts of rats subjected to 30 min no flow fol...

journal_title：British journal of pharmacology

authors： Chahine R,Adam A,Yamaguchi N,Gaspo R,Regoli D,Nadeau R

更新日期：1993-02-01 00:00:00

abstract：:1. Intrathecal (i.t.) administration of nociceptin and high doses of morphine induced allodynia in response to innocuous tactile stimuli, and i.t. nociceptin evoked hyperalgesia in response to noxious thermal stimuli in conscious mice. Here we have characterized the nociceptin-induced allodynia and compared it with th...

journal_title：British journal of pharmacology

authors： Hara N,Minami T,Okuda-Ashitaka E,Sugimoto T,Sakai M,Onaka M,Mori H,Imanishi T,Shingu K,Ito S

更新日期：1997-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Pancreatic cancer is characterized by alterations in several key signalling proteins, including increased expression and activity of the Src tyrosine kinase and focal adhesion kinase (FAK), which have been linked to its chemoresistance. Sustained Src inhibition reactivates survival pathways regul...

journal_title：British journal of pharmacology

authors： Pathania D,Kuang Y,Sechi M,Neamati N

更新日期：2015-01-01 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：BACKGROUND AND PURPOSE:beta-Amyloid peptide (Abeta) is implicated in the pathogenesis of Alzheimer's disease by initiating a cascade of events from mitochondrial dysfunction to neuronal death. The metabolic enhancer piracetam has been shown to improve mitochondrial dysfunction following brain aging and experimentally i...

journal_title：British journal of pharmacology

authors： Kurz C,Ungerer I,Lipka U,Kirr S,Schütt T,Eckert A,Leuner K,Müller WE

更新日期：2010-05-01 00:00:00

abstract：:1. The effect of the potassium channel openers, NIP-121 and cromakalim, on agonist-induced relaxation of the guinea-pig isolated trachea was investigated and the results were compared with those in the epithelium-denuded trachea. 2. Tracheal strips were incubated with a potassium channel opener or vehicle for 30 min i...

journal_title：British journal of pharmacology

authors： Shikada K,Tanaka S

更新日期：1992-12-01 00:00:00

abstract：:Specific [125I]-angiotensin II (AII) and [125I]-bradykinin (Bk) binding sites have been identified within epithelial membranes from rat jejunum and descending colon. These high affinity intestinal sites exhibited KD values of 0.64 +/- 0.16 nM for [125I]-AII and 0.69 +/- 0.13 nM for [125I]-Bk, which were similar to tho...

journal_title：British journal of pharmacology

authors： Cox HM,Munday KA,Poat JA

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Evidence suggests that phosphorylation of TRPV1 is an important component underlying its aberrant activation in pathological pain states. To date, the detailed pharmacology of diverse TRPV1 receptor agonists and antagonists has yet to be reported for native TRPV1 under phosphorylating conditions....

journal_title：British journal of pharmacology

authors： Mogg AJ,Mill CE,Folly EA,Beattie RE,Blanco MJ,Beck JP,Broad LM

更新日期：2013-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Leucocyte infiltration is a rate-limiting step in the pathophysiology of acute pancreatitis (AP) although the adhesive mechanisms supporting leucocyte-endothelium interactions in the pancreas remain elusive. The aim of this study was to define the role of lymphocyte function antigen-1 (LFA-1) in ...

journal_title：British journal of pharmacology

authors： Awla D,Abdulla A,Zhang S,Roller J,Menger MD,Regnér S,Thorlacius H

更新日期：2011-05-01 00:00:00

abstract：:1. Vasorelaxant properties of three nitric oxide (NO) donor drugs (glyceryl trinitrate, sodium nitroprusside and spermine NONOate) in mouse aorta (phenylephrine pre-contracted) were compared with those of endothelium-derived NO (generated with acetylcholine), NO free radical (NO*; NO gas solution) and nitroxyl ion (NO...

journal_title：British journal of pharmacology

authors： Wanstall JC,Jeffery TK,Gambino A,Lovren F,Triggle CR

更新日期：2001-10-01 00:00:00

abstract：:1 Burimamide injected intravenously in the anaesthetized or conscious cat produced significant increases in gastric acid secretion: in the anaesthetized cat it produced increased gastric mucosal blood flow. 2 Metiamide, in doses which inhibited pentagastrin-stimulated acid secretion, produced no increase in gastric ac...

journal_title：British journal of pharmacology

authors： Harris DW,Smy JR,Reed JD,Venables CW

更新日期：1975-02-01 00:00:00

abstract：:1 The binding of [3H]-5-hydroxytryptamine ([3H]-5-HT), [3H]-haloperidol and [3H]-dopamine to human blood platelets was investigated and the effects of unlabelled haloperidol on [3H]-5-HT binding and (+)- and (-)-butaclamol on [3H]-haloperidol were studied. 2 Scatchard analysis did not show any specific binding of [3H]...

journal_title：British journal of pharmacology

authors： Boullin DJ,Molyneux D,Roach B

更新日期：1978-07-01 00:00:00

abstract：:The cardiovascular actions of cannbinoids are complex. In general they cause vasorelaxation in isolated blood vessels, while in anaesthetised animals they cause multiphasic responses which involve an early bradycardia and long-lasting hypotension. However, in conscious animals, the picture is one of bradycardia follow...

journal_title：British journal of pharmacology

authors： Randall MD,Kendall DA,O'Sullivan S

更新日期：2004-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:We determined the effects of treatment with LR-90, an inhibitor of advanced glycation end products, on the mechanical properties of the arterial system in streptozotocin (STZ)-induced diabetic Sprague Dawley rats, using aortic impedance analysis, and further investigated the effects of LR-90 on t...

journal_title：British journal of pharmacology

authors： Satheesan S,Figarola JL,Dabbs T,Rahbar S,Ermel R

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:K(v)11.1 channels are involved in regulating cellular excitability in various tissues including brain, heart and smooth muscle. In these tissues, at least two isoforms, K(v)11.1a and K(v)11.1b, with different kinetics, are expressed. K(v)11.1 activators are potential therapeutic agents, but their...

journal_title：British journal of pharmacology

authors： Larsen AP,Bentzen BH,Grunnet M

更新日期：2010-10-01 00:00:00

abstract：:1. The mechanism of toxicity of sulphur mustard was investigated by examining the biochemical effects of the analog 2-chloroethylethyl sulphide (CEES) in both human Jurkat cells as well as normal human lymphocytes. 2. Exposure of both types of cells to CEES resulted in a marked decrease in the intracellular concentrat...

journal_title：British journal of pharmacology

authors： Han S,Espinoza LA,Liao H,Boulares AH,Smulson ME

更新日期：2004-03-01 00:00:00

abstract：:1. This study examined the impact of allopurinol on the renal functional responses to a 30 min period of ischaemia in anaesthetized rats. 2. Immediately on reperfusion, blood pressure rose transiently, while renal blood flow remained stable throughout at control values. Glomerular filtration rate was decreased by some...

journal_title：British journal of pharmacology

authors： Hestin D,Johns EJ

更新日期：1999-09-01 00:00:00

abstract：:The effects of vasoactive substances on mean circulatory filling pressure (MCFP), an index of total body venous tone, were determined in conscious rats. Cumulative doses of saline (0.9% w/v NaCl solution), methoxamine (alpha 1-adrenoceptor agonist), B-HT920 (alpha 2-adrenoceptor agonist) noradrenaline and vasopressin,...

journal_title：British journal of pharmacology

authors： Pang CC,Tabrizchi R

更新日期：1986-10-01 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：BACKGROUND AND PURPOSE:Pyrazole derivatives have recently been suggested as selective blockers of transient receptor potential cation (TRPC) channels but their ability to distinguish between the TRPC and Orai pore complexes is ill-defined. This study was designed to characterize a series of pyrazole derivatives in term...

journal_title：British journal of pharmacology

authors： Schleifer H,Doleschal B,Lichtenegger M,Oppenrieder R,Derler I,Frischauf I,Glasnov TN,Kappe CO,Romanin C,Groschner K

更新日期：2012-12-01 00:00:00

abstract：:1. Protection against 1-methyl-4-phenylpyridinium ion (MPP+) neurotoxicity by two nitric oxide-related compounds, N omega-nitro-L-arginine (L-NOARG) and L-arginine, was studied in the corpus striatum by means of two MPP+ perfusions separated by 24 h. Dopamine extracellular output after the second MPP+ (1, 5 and 10 mM)...

journal_title：British journal of pharmacology

authors： Santiago M,Machado A,Cano J

更新日期：1994-03-01 00:00:00

abstract：:Immersion of the hind paws of anesthetized rats in hot water for 5 min induced massive plasma protein leakage as indicated by extravasation of Evans blue dye in the skin. The threshold temperature which caused noticeable plasma extravasation was 45 degrees C, a maximal response was obtained between 55 degrees C and 60...

journal_title：British journal of pharmacology

authors： Saria A

更新日期：1984-05-01 00:00:00