Evidence for an intracellular action of platelet-activating factor in bovine cultured aortic endothelial cells.

abstract：:To establish that bradykinin is formed in the heart we measured bradykinin in the venous effluent from rat isolated hearts perfused with Krebs-Henseleit buffer. In addition, we examined the effect on bradykinin outflow of the angiotensin converting enzyme (ACE) inhibitor, ramiprilat. From rat isolated normoxic hearts ...

journal_title：British journal of pharmacology

authors： Baumgarten CR,Linz W,Kunkel G,Schölkens BA,Wiemer G

更新日期：1993-02-01 00:00:00

abstract：:1. The aim of the present study was to test the effects of DAU 6215 (endo-N-(8-methyl-8-azabicyclo-[3.2.1]-octo-3-yl)-2,3-dihydro-2-ox o-1H- benzimidazole-1-carboxamide carboxamide hydrochloride), a newly synthesized, selective 5-hydroxytryptamine3 (5-HT3) antagonist, on the cell membrane properties and on characteriz...

journal_title：British journal of pharmacology

authors： Passani MB,Pugliese AM,Azzurrini M,Corradetti R

更新日期：1994-06-01 00:00:00

abstract：:Three genes encode the small-conductance Ca(2+)-activated K(+) channels (SK channels). We have stably expressed hSK1 and rSK2 in HEK 293 cells and addressed the pharmacology of these subtypes using whole-cell patch clamp recordings. The bee venom peptide apamin blocked hSK1 as well as rSK2 with IC(50) values of 3.3 nM...

journal_title：British journal of pharmacology

authors： Strøbaek D,Jørgensen TD,Christophersen P,Ahring PK,Olesen SP

更新日期：2000-03-01 00:00:00

abstract：:Multiple myeloma is a neoplastic disorder of plasma cells characterized by clonal proliferation within the bone marrow. One of the major clinical features of multiple myeloma is the destructive osteolytic bone disease that occurs in the majority of patients. Myeloma bone disease is associated with increased osteoclast...

journal_title：British journal of pharmacology

authors： Webb SL,Edwards CM

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Tolerance induced by morphine and other opiates remains a major unresolved problem in the clinical management of pain. There is now good evidence for the importance of MAPKs in morphine-induced antinociceptive tolerance. A member of the MAPK kinase kinase family, TGF-β activated kinase 1 (TAK1) i...

journal_title：British journal of pharmacology

authors： Xu H,Xu T,Ma X,Jiang W

更新日期：2015-06-01 00:00:00

abstract：:1. This study describes the effects of hypoxia on relaxing responses and cAMP production induced by the known vasodilator peptides: alphaCGRP, amylin (AMY) and adrenomedullin (AM) on isolated pig coronary arteries in vitro. 2. Hypoxic incubation increased the vasorelaxant effect of alphaCGRP (four-fold; P<0.05), AMY (...

journal_title：British journal of pharmacology

authors： Hasbak P,Eskesen K,Schifter S,Edvinsson L

更新日期：2005-07-01 00:00:00

abstract：:In the clinic, low efficacy positive GABAA modulators might be preferred to high efficacy positive modulators insofar as low efficacy modulators might have comparatively less abuse and dependence liability. Drug discrimination was used to examine the behavioral effects of L-838,417 and bretazenil, two low efficacy pos...

journal_title：British journal of pharmacology

authors： McMahon LR,France CP

更新日期：2006-02-01 00:00:00

abstract：:1. We have investigated the effect of phorbol esters and the down-regulation of protein kinase C on contraction of guinea-pig ileum longitudinal smooth muscle to carbachol and high K+. 2. Phorbol 12,13-dibutyrate (PDBu) enhanced the phasic component and inhibited or enhanced, respectively, the tonic component of contr...

journal_title：British journal of pharmacology

authors： Sasaguri T,Watson SP

更新日期：1989-11-01 00:00:00

abstract：:1. The effects of the metabotropic glutamate receptor (mGluR) antagonist, L-2-amino-3-phosphonopropionate (L-AP3) on phosphoinositide turnover in neonatal rat cerebral cortex slices has been investigated. 2. At concentrations of < or = 300 microM, L-AP3 inhibited total [3H]-inositol phosphate ([3H]-InsPx) and Ins(1,4,...

journal_title：British journal of pharmacology

authors： Mistry R,Prabhu G,Godwin M,Challiss RA

更新日期：1996-03-01 00:00:00

abstract：:1. The similarity in molecular structure between the histamine H2-agonist dimaprit (3-dimethylamino-propyl-isothiourea) and the endogenous nitric oxide synthase (NOS) substrate L-arginine prompted us to study the effect of dimaprit and some dimaprit analogues on NOS activity. Dimaprit and some of its analogues were te...

journal_title：British journal of pharmacology

authors： Paquay JB,Hoen PA,Voss HP,Bast A,Timmerman H,Haenen GR

更新日期：1999-05-01 00:00:00

abstract：:Platelet-activating factor (Paf) has been proposed as a mediator of the gastrointestinal damage in endotoxic shock. The formation of Paf in rat jejunal tissue, determined following extraction and bioassay on rabbit washed platelets has therefore been correlated with the induction of damage following endotoxin administ...

journal_title：British journal of pharmacology

authors： Whittle BJ,Boughton-Smith NK,Hutcheson IR,Esplugues JV,Wallace JL

更新日期：1987-09-01 00:00:00

abstract：:1. To investigate the role of nitric oxide in epilepsy we have studied the effects of agents which affect nitric oxide synthesis in sound-induced seizures in DBA/2 mice and in genetically epilepsy-prone (GEP) rats. 2. The neuronal selective nitric oxide synthase inhibitor, 7-nitroindazole (7-NI) is anticonvulsant in t...

journal_title：British journal of pharmacology

authors： Smith SE,Man CM,Yip PK,Tang E,Chapman AG,Meldrum BS

更新日期：1996-09-01 00:00:00

abstract：:1. Noradrenaline 1 microM induced a contractile response in rat isolated aorta in the presence or in the absence of extracellular Ca2+ with depletion of intracellular Ca2+ stores. Thereafter, during incubation in the presence of Ca2+, an increase in the resting tone was observed. Such a contractile response did not oc...

journal_title：British journal of pharmacology

authors： Noguera MA,D'Ocon MP

更新日期：1993-10-01 00:00:00

abstract：:1 The metabolism of prostacyclin (PGI2) and 6-keto prostaglandin F1 alpha (6-keto PGF1 alpha) was studied in cell-free homogenates of rat, rabbit and guinea-pig kidney. 2 Rabbit kidney converted both PGI2 and 6-keto PGF1 alpha to a stable metabolite with chromatographic and biological activity identical to that of aut...

journal_title：British journal of pharmacology

authors： Griffiths RJ,Moore PK

更新日期：1983-05-01 00:00:00

abstract：:1. The present study was undertaken to determine the mechanism of action of endothelin-1 (ET-1)-induced contraction of the guinea-pig isolated trachea. 2. ET-1 (1 nM-0.3 microM) produces a concentration-dependent contraction of guinea-pig trachea with an EC50 of approximately 25 nM. The combination of the peptidoleuko...

journal_title：British journal of pharmacology

authors： Hay DW,Hubbard WC,Undem BJ

更新日期：1993-11-01 00:00:00

abstract：:1. Receptor phosphorylation and down-regulation by protein kinases may be a key event initiating desensitization. The present studies were designed to investigate the effect of a potent protein kinase C (PKC) activator, phorbol 12,13-dibutyrate (PDBu), on antinociception induced by intrathecal (i.t.) administration of...

journal_title：British journal of pharmacology

authors： Narita M,Mizoguchi H,Kampine JP,Tseng LF

更新日期：1996-08-01 00:00:00

abstract：:1. We have investigated the cellular target of K(+) channel blockers responsible for the inhibition of the EDHF-mediated relaxation in the rat mesenteric artery by studying their effects on tension, smooth muscle cell (SMC) membrane potential and endothelial cell Ca(2+) signal ([Ca(2+)](endo)). 2. In arteries contract...

journal_title：British journal of pharmacology

authors： Ghisdal P,Morel N

更新日期：2001-11-01 00:00:00

abstract：:A method is described for the determination of halothane-induced sleeping time in the rat. 2 The sleeping time exhibited a diurnal variation which was due, at least in part, to a change in the sensitivity of the central nervous system (CNS) to the anaesthetic. 3 Tolerance to halothane did not develop in rats repeatedl...

journal_title：British journal of pharmacology

authors： Turnbull MJ,Watkins JW

更新日期：1976-09-01 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：:The effects of 5-hydroxytryptamine (5-HT) on the release of gamma-aminobutyric acid (GABA) were examined in the longitudinal muscle-myenteric plexus (LM-MP) preparation of guinea-pig ileum. 5-HT increased the spontaneous release and inhibited the electrically-evoked release of [3H]-GABA. The 5-HT-evoked release was Ca...

journal_title：British journal of pharmacology

authors： Shirakawa J,Takeda K,Taniyama K,Tanaka C

更新日期：1989-10-01 00:00:00

abstract：:1. The drug HA-966 (1-hydroxy-3-amino-pyrrolidone-2), which chemically resembles the cyclic form of GABA, has been studied for neuro-pharmacological properties and for effects on the catecholamine content of the corpus striatum.2. The acute effects on spontaneous behaviour of rodents included flaccid catalepsy and rev...

journal_title：British journal of pharmacology

authors： Bonta IL,De Vos CJ,Grijsen H,Hillen FC,Noach EL,Sim AW

更新日期：1971-11-01 00:00:00

abstract：:Adenosine alone at 0.1 and 1.0 mg per tracheal segment stimulated mucus secretion by 52% and 88%, respectively, compared to baseline (P less than 0.0001). The site of the potent secretagogue effect of adenosine in canine trachea was consistent with A2 activation. A2 site activation and enhanced secretion were also ind...

journal_title：British journal of pharmacology

authors： Johnson HG,McNee ML

更新日期：1985-09-01 00:00:00

abstract：:1. Microinjection of peptide YY (PYY, 7-46 pmol) into the dorsal vagal complex (DVC) stimulated gastric acid secretion in urethane-anaesthetized rats. Using a variety of neuropeptide Y (NPY) and PYY derivatives, we characterized the pharmacological profile of the receptor mediating the acid secretory response to PYY. ...

journal_title：British journal of pharmacology

authors： Yang H,Li WP,Reeve JR Jr,Rivier J,Taché Y

更新日期：1998-04-01 00:00:00

abstract：:Myeloperoxidase (MPO), a member of the haem peroxidase-cyclooxygenase superfamily, is abundantly expressed in neutrophils and to a lesser extent in monocytes and certain type of macrophages. MPO participates in innate immune defence mechanism through formation of microbicidal reactive oxidants and diffusible radical s...

journal_title：British journal of pharmacology

authors： Malle E,Furtmüller PG,Sattler W,Obinger C

更新日期：2007-11-01 00:00:00

abstract：:1. Skins of the lizard Anolis carolinensis darken in vitro in response to melanophore stimulating hormone (MSH), a peptide hormone, as well as to catecholamines. These hormones darken Anolis skins by dispersing the sub-cellular organelle, the melanosome, out into the dendritic processes of the dermal melanophores.2. D...

journal_title：British journal of pharmacology

authors： Goldman JM,Hadley ME

更新日期：1970-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Inflammation associated with the tumour microenvironment (TME) plays a critical role in the cancer development, and immunotherapeutic strategies that aim to modulate the immune response in cancer have been crucial. In this study, a Methotrexate-loaded (MTX) poly (lactic-co-glycolic acid)-based (P...

journal_title：British journal of pharmacology

authors： Cavalcante RS,Ishikawa U,Silva ES,Silva Júnior AA,Araújo AA,Cruz LJ,Chan AB,Araújo Júnior RF

更新日期：2021-01-12 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：:1. Dopamine efflux following single pulse or train of pulse stimulations was measured in slices of rat caudate putamen, nucleus accumbens and tuberculum olfactorium, using fast cyclic voltammetry at a carbon fibre microelectrode; 1, 5, 10, 20 or 50 pulses were applied at each location at frequencies varying from 10 Hz...

journal_title：British journal of pharmacology

authors： Trout SJ,Kruk ZL

更新日期：1992-06-01 00:00:00

abstract：:1. The effects of drugs and altering stimulus parameters on neurogenic responses to electrical field stimulation (EFS) have been investigated in distal and proximal portions of the guinea-pig trachea. 2. In the presence of indomethacin (3 microM) and propranolol (1 microM) two contractile phases were evident in both t...

journal_title：British journal of pharmacology

authors： Ellis JL,Undem BJ

更新日期：1990-12-01 00:00:00

abstract：:1. The present paper reports changes in the urinary excretion of dopamine, 5-hydroxytryptamine and amine metabolites in nitric oxide deprived hypertensive rats during long-term administration of NG-nitro-L-arginine methyl ester (L-NAME). Aromatic L-amino acid decarboxylase (AAAD) activity in renal tissues and the abil...

journal_title：British journal of pharmacology

authors： Soares-da-Silva P,Pestana M,Vieira-Coelho MA,Fernandes MH,Albino-Teixeira A

更新日期：1995-04-01 00:00:00