The effect of harmine on the action potential of the guinea-pig atrial muscle depends on the external calcium concentration.

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. In anaesthetized patients under controlled respiration, samples of lumbar cerebrospinal fluid were withdrawn 15 and 60 min after an intravenous injection of 30 mg tubocurarine.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：BACKGROUND AND PURPOSE:Non-alcoholic fatty liver disease (NAFLD) is considered to be one of the most common chronic liver diseases across worldwide. Astaxanthin (Ax) is a carotenoid, and beneficial effects of astaxanthin, including anti-oxidative, anti-inflammatory, and anti-tumour activity, have been identified. The p...

journal_title：British journal of pharmacology

authors： Wu L,Mo W,Feng J,Li J,Yu Q,Li S,Zhang J,Chen K,Ji J,Dai W,Wu J,Xu X,Mao Y,Guo C

更新日期：2020-08-01 00:00:00

abstract：:1. This study investigated the importance of renal sympathetic nerves in regulating sodium and water excretion from the kidneys of stroke prone spontaneously hypertensive and 2K1C Goldblatt hypertensive rats anaesthetized with chloralose/urethane (17.5/300 mg initially and supplemented at regular intervals), and prepa...

journal_title：British journal of pharmacology

authors： Chamienia AL,Johns EJ

更新日期：1996-08-01 00:00:00

abstract：:1. An investigation into the effects of cholecystokinin octapeptide (CCK-8S) and its pentapeptide analogue, pentagastrin, on neurones located in ventromedial nuclei of rat hypothalamic slices maintained in vitro has been undertaken. 2. CCK-8S (0.01-1.0 microM) applied in the perfusion medium produced a concentration-d...

journal_title：British journal of pharmacology

authors： Boden P,Hill RG

更新日期：1988-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In the sensorimotor (SM) and medial prefrontal (mPF) basal ganglia (BG) circuits, the cortical information is transferred to the substantia nigra pars reticulata (SNr) through the hyperdirect trans-subthalamic pathway and through the direct and indirect trans-striatal pathways. The cannabinoid CB...

journal_title：British journal of pharmacology

authors： Antonazzo M,Gutierrez-Ceballos A,Bustinza I,Ugedo L,Morera-Herreras T

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Arachidonyl trifluoromethyl ketone (ATK) is widely used as an inhibitor of cytosolic group IV phospholipase A(2) (cPLA(2)) and calcium-independent group VI phospholipase A(2) (iPLA(2)). ATK thus reduces arachidonic acid (AA) substrate for cyclooxygenase (COX; also known as prostaglandin H synthas...

journal_title：British journal of pharmacology

authors： Leis HJ,Windischhofer W

更新日期：2008-11-01 00:00:00

abstract：:Recent clinical studies have demonstrated that angiotensin II type 1 (AT(1) ) receptor blockers (ARBs) reduce the onset of stroke, stroke severity and the incidence and progression of Alzheimer's disease and dementia. We can expect that ARBs exert these effects by both AT(1) receptor blockade and angiotensin II type 2...

journal_title：British journal of pharmacology

authors： Horiuchi M,Mogi M

更新日期：2011-07-01 00:00:00

abstract：:I.c.v. self-administration of MDMA (0.01-2 micro g per infusion), alone and in combination with CP 55,940 (0.4 micro g infusion(-1)), was studied on an operant responding procedure. On the basis of individual preference for one of two levers, developed during training, rats were allowed to self-administer vehicle from...

journal_title：British journal of pharmacology

authors： Braida D,Sala M

更新日期：2002-08-01 00:00:00

abstract：:The sensitivity of the uterus to the inhibition of contractions by salbutamol, diltiazem or nifedipine was assessed in the ovariectomized, post-partum rat by dose-response curves following bolus intravenous (i.v.) administration. These tests were performed before (day 1), immediately after a 20 h i.v. infusion of salb...

journal_title：British journal of pharmacology

authors： Abel MH,Hollingsworth M

更新日期：1986-07-01 00:00:00

abstract：:1. In order to determine whether activation of adenosine triphosphate (ATP)-sensitive K+ channels exclusively explains the hypoxia- and ischaemia-induced action potential shortening, effects of tolbutamide and glibenclamide on changes in action potential duration (APD) during hypoxia, metabolic blockade or experimenta...

journal_title：British journal of pharmacology

authors： Nakaya H,Takeda Y,Tohse N,Kanno M

更新日期：1991-05-01 00:00:00

abstract：:The intravenous administration of naloxone 2 min before coronary artery occlusion in anaesthetized dogs reduced the incidence and severity of cardiac arrhythmias during coronary occlusion (20 min) and reperfusion (120 min) in a dose-related manner. It also reduced the mortality. At a dose of 1 mg kg-1 (the maximum dos...

journal_title：British journal of pharmacology

authors： Huang XD,Lee AY,Wong TM,Zhan CY,Zhao YY

更新日期：1986-03-01 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：:Calcitonin gene-related peptide (CGRP) is believed to play a pivotal role in the pathogenesis of migraine via activation of CGRP receptors in the trigeminovascular system. The CGRP receptor antagonist, BIBN4096BS, has proven efficacy in the acute treatment of migraine attacks and represents a new therapeutic principle...

journal_title：British journal of pharmacology

authors： Petersen KA,Birk S,Doods H,Edvinsson L,Olesen J

更新日期：2004-11-01 00:00:00

abstract：:(1) Stimulation of the vanilloid receptor-1 (TRPV1) results in the activation of nociceptive and neurogenic inflammatory responses. Poor specificity and potency of TRPV1 antagonists has, however, limited the clarification of the physiological role of TRPV1. (2) Recently, iodo-resiniferatoxin (I-RTX) has been reported ...

journal_title：British journal of pharmacology

authors： Rigoni M,Trevisani M,Gazzieri D,Nadaletto R,Tognetto M,Creminon C,Davis JB,Campi B,Amadesi S,Geppetti P,Harrison S

更新日期：2003-03-01 00:00:00

abstract：:Burimamide, an H(2)-receptor blocking agent, has been shown capable of blocking the uptake and metabolism of [(14)C]-histamine, both in the guinea-pig isolated atrium and in murine neoplastic mast cells. This occurs even at concentrations far below the dose range capable of blocking the positive chronotropic effect of...

journal_title：British journal of pharmacology

authors： Fantozzi R,Mannaioni PF,Moroni F

更新日期：1973-10-01 00:00:00

abstract：:Peroxisome proliferator-activated receptor gamma (PPARgamma), a member of the nuclear receptor superfamily, is activated by several compounds, including the thiazolidinediones. In addition to being a therapeutic target for obesity, hypolipidaemia and diabetes, perturbation of PPARgamma signalling is now believed to be...

journal_title：British journal of pharmacology

authors： Seargent JM,Yates EA,Gill JH

更新日期：2004-12-01 00:00:00

abstract：:1. The aim of this study was to investigate the relationship between airway reactivity, leukocyte influx and nitric oxide (NO), in conscious guinea-pigs after aerosolized lipopolysaccharide (LPS) exposure. 2. Inhaled histamine (1 mM, 20 s), causing no bronchoconstriction before LPS exposure (30 microg ml(-1), 1 h), ca...

journal_title：British journal of pharmacology

authors： Toward TJ,Broadley KJ

更新日期：2000-09-01 00:00:00

abstract：:1. The sinus node inhibitors UL FS 49 and DK-AH 269 reduce heart rate by slowing diastolic depolarization rate in the sino-atrial (SA) node, which might originate from the use-dependent blockade of a hyperpolarization-activated current If. A hyperpolarization-activated current Ih, which is present in many types of neu...

journal_title：British journal of pharmacology

authors： Raes A,Van de Vijver G,Goethals M,van Bogaert PP

更新日期：1998-10-01 00:00:00

abstract：:1. In the rat isolated diaphragm preparation hexamethonium and other low potency competitive antagonists of acetylcholine (ACh), including gallamine and hyoscine butylbromide, reverse block by the potent antagonists tubocurarine, pancuronium and alcuronium. 2. In the presence of tubocurarine, hexamethonium increases t...

journal_title：British journal of pharmacology

authors： Blackman JG,Gauldie RW,Milne RJ

更新日期：1975-05-01 00:00:00

abstract：:1. Exposure of depilated skin of guinea-pig to ultraviolet (u.v.) light for 20 s produces a prolonged inflammatory response.2. The erythaema becomes evident within 15-30 min after the exposure and progressively increases in intensity reaching its maximum by 4-6 hours. The erythaema persists over 24 hours.3. Increase i...

journal_title：British journal of pharmacology

authors： Gupta N,Levy L

更新日期：1973-02-01 00:00:00

abstract：:1. In decerebrated, non-spinalized rabbits, intrathecal administration of either of the selective 5-HT1A-receptor antagonists (S)WAY-100135 or WAY-100635 resulted in dose-dependent enhancement of the reflex responses of gastrocnemius motoneurones evoked by electrical stimulation of all myelinated afferents of the sura...

journal_title：British journal of pharmacology

authors： Clarke RW,Harris J,Houghton AK

更新日期：1996-11-01 00:00:00

abstract：:1. Recombinant human ETA receptors were expressed in a mouse fibroblast cell line (Ltk- cell) and functional coupling of the receptors with Ca2+ permeable channels at low concentrations of endothelin-1 (ET-1) was investigated using whole-cell recordings and monitoring the changes in intracellular free Ca2+ concentrati...

journal_title：British journal of pharmacology

authors： Enoki T,Miwa S,Sakamoto A,Minowa T,Komuro T,Kobayashi S,Ninomiya H,Masaki T

更新日期：1995-06-01 00:00:00

abstract：:Ischaemia is amongst the leading causes of death. Despite this importance, there are only a few therapeutic approaches to protect from ischaemia-reperfusion injury (IRI). In experimental studies, the amino acid glycine effectively protected from IRI. In the prevention of IRI by glycine in cells and isolated perfused o...

journal_title：British journal of pharmacology

authors： Petrat F,Boengler K,Schulz R,de Groot H

更新日期：2012-04-01 00:00:00

abstract：:1. Intravenous administration of leukotriene C4 (LTC4) and LTD4 (1-10 nmol kg-1) caused a dose-dependent increase in secretion of glandular-kallikrein in the bronchial washings of guinea-pigs, as measured by cleavage of a synthetic substrate and the formation of kinin. LTC4 was more potent than LTD4 and pilocarpine wa...

journal_title：British journal of pharmacology

authors： Jin HY,Katori M,Majima M,Sunahara N

更新日期：1992-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Bortezomib (Velcade®) is a breakthrough treatment for multiple myeloma, significantly improving patient survival. However, its use is limited by painful neuropathy often resulting in dose reduction/cessation of first-line treatment due to lack of treatment. The aim of this study was to characteri...

journal_title：British journal of pharmacology

authors： Duggett NA,Flatters SJL

更新日期：2017-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The rat respiratory muscle diaphragm has markedly lower sensitivity than the locomotor muscle extensor digitorum longus (EDL) to the new acetylcholinesterase (AChE) inhibitors, alkylammonium derivatives of 6-methyluracil (ADEMS). This study evaluated several possible reasons for differing sensiti...

journal_title：British journal of pharmacology

authors： Petrov KA,Yagodina LO,Valeeva GR,Lannik NI,Nikitashina AD,Rizvanov AA,Zobov VV,Bukharaeva EA,Reznik VS,Nikolsky EE,Vyskočil F

更新日期：2011-06-01 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

abstract：:1. The effect of adenosine A1-receptor and P2-purinoceptor agonists on [3H]-inositol phosphate accumulation has been investigated in CHO-K1 cells transfected with the human adenosine A1-receptor. 2. Adenosine receptor agonists stimulated [3H]-inositol phosphate accumulation in CHO-K1 cells with a rank potency order of...

journal_title：British journal of pharmacology

authors： Megson AC,Dickenson JM,Townsend-Nicholson A,Hill SJ

更新日期：1995-08-01 00:00:00

abstract：:1. The effect of the nitro-derivative of aspirin, NCX4016, was assessed on ischaemic ventricular arrhythmias and myocardial infarct size in anaesthetized pigs in comparison to native aspirin. 2. Pigs were given aspirin (10 mg kg(-1); n=6), low dose NCX4016 (18.4 mg kg(-1); n=6) or high dose NCX4016 (60 mg kg(-1); n=7)...

journal_title：British journal of pharmacology

authors： Wainwright CL,Miller AM,Work LM,Del Soldato P

更新日期：2002-04-01 00:00:00