Presynaptic effect of clonidine antagonized by the tetramine disulphide, benextramine.

abstract：:We investigated whether 10 days' in vivo treatment with nitroglycerine (NTG) would inhibit nitric oxide production by the endothelial cells of resistance arteries ex vivo and, if so, what the underlying mechanism might be. ACh increased the intracellular nitric oxide concentration ([NO]i; estimated using the nitric ox...

journal_title：British journal of pharmacology

authors： Yamamoto T,Kajikuri J,Watanabe Y,Suzuki Y,Suzumori K,Itoh T

更新日期：2005-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Iridoid glycosides containing the double bond scaffold of cyclopentapyran are reversible and orthosteric agonists of glucagon-like peptide-1 (GLP-1) receptors and exert anti-nociceptive and neuroprotective actions. Morroniside, derived from the medicinal herb Cornus officinalis, is an atypical se...

journal_title：British journal of pharmacology

authors： Xu M,Wu HY,Liu H,Gong N,Wang YR,Wang YX

更新日期：2017-04-01 00:00:00

abstract：:AM-36 is a novel neuroprotective agent incorporating both antioxidant and Na(+) channel blocking actions. In cerebral ischaemia, loss of cellular ion homeostasis due to Na(+) channel activation, together with increased reactive oxygen species (ROS) production, are thought to contribute to neuronal death. Since neurona...

journal_title：British journal of pharmacology

authors： Callaway JK,Beart PM,Jarrott B,Giardina SF

更新日期：2001-04-01 00:00:00

abstract：:1. The effects of nipradilol, a beta-adrenoceptor antagonist which possesses a nitroxy group, on cytosolic Ca2+ concentration ([Ca2+]i), and on tension development were simultaneously measured by front-surface fluorometry and fura-2-loaded strips in the proximal portion of pig coronary arteries. 2. Nipradilol reduced ...

journal_title：British journal of pharmacology

authors： Abe S,Nakamura M,Kanaide H

更新日期：1996-04-01 00:00:00

abstract：:(1) Increased oxidative stress plays a significant role in the etiology of cardiovascular disease. Lipid peroxidation, initiated in the presence of hydroxy radicals resulting in the production of malondialdehyde, directly produces oxidative stress. This study was designed to examine the direct impact of malondialdehyd...

journal_title：British journal of pharmacology

authors： Folden DV,Gupta A,Sharma AC,Li SY,Saari JT,Ren J

更新日期：2003-08-01 00:00:00

abstract：:The aim of the present study was to determine whether inhibition of cyclic nucleotide phosphodiesterase (PDE) modulates the stimulated generation of the cytokines, interleukin-4 (IL-4) and IL-13, from human basophils. This was addressed by evaluating the effects of both nonselective and selective inhibitors of PDEs on...

journal_title：British journal of pharmacology

authors： Eskandari N,Wickramasinghe T,Peachell PT

更新日期：2004-08-01 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 antithrombotic action of argatroban, a synthetic thrombin inhibitor, was studied in a canine model of coronary cyclic flow having some of the characteristics of acute unstable angina. Heparin was studied as a reference anticoagulant. 2. Localized endothelial damage was induced in the circumflex coronary artery ...

journal_title：British journal of pharmacology

authors： Duval N,Lunven C,O'Brien DP,Grosset A,O'Connor SE,Berry CN

更新日期：1996-06-01 00:00:00

abstract：:1 We have investigated the effects of platelet-activating factor (PAF), an endogenous mediator of inflammation, on ion transport and prostaglandin synthesis in the human isolated colon. 2 Application of PAF to the serosal surface of human colonic mucosa induced a marked, concentration-dependent increase in ion transpo...

journal_title：British journal of pharmacology

authors： Borman RA,Jewell R,Hillier K

更新日期：1998-01-01 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：:1. Three novel phenylglycine analogues; (RS)-alpha-methyl-3-chloro-4-phosphonophenylglycine (UBP1110), (RS)-alpha-methyl-3-methoxy-4-phosphonophenylglycine (UBP1111) and (RS)-alpha-methyl-3-methyl-4-phosphonophenylglycine (UBP1112) antagonised the depression of the fast component of the dorsal root-evoked ventral root...

journal_title：British journal of pharmacology

authors： Miller JC,Howson PA,Conway SJ,Williams RV,Clark BP,Jane DE

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Amitriptyline is often prescribed as a first-line treatment for neuropathic pain but its precise mode of analgesic action remains uncertain. Amitriptyline is known to inhibit voltage-dependent ion channels and also to act as an antagonist at ligand-gated ion channels, such as nicotinic acetylchol...

journal_title：British journal of pharmacology

authors： Freysoldt A,Fleckenstein J,Lang PM,Irnich D,Grafe P,Carr RW

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Resurgence in the use of chloroquine as a potential treatment for COVID-19 has seen recent cases of fatal toxicity due to unintentional overdoses. Protocols for the management of poisoning recommend diazepam, although there are uncertainties in its pharmacology and efficacy in this context. The a...

journal_title：British journal of pharmacology

authors： Hughes DA

更新日期：2020-11-01 00:00:00

abstract：:1. Losigamone is a novel anticonvulsant the mechanism of action of which is not known. This study investigated the effect of losigamone on spontaneous, NMDA- and AMPA-induced depolarizations in the cortical wedge preparation of the DBA/2 mouse (which are susceptible to sound-induced seizures) and on endogenous amino a...

journal_title：British journal of pharmacology

authors： Srinivasan J,Richens A,Davies JA

更新日期：1997-12-01 00:00:00

abstract：:1. Moclobemide (MB) is an antidepressant drug that selectively and reversibly inhibits monoamine oxidase-A. Recent studies have revealed that antidepressant drugs possess the characters of potent growth-promoting factors for the development of neurogenesis and improve the survival rate of serotonin (5-hydroxytrytamine...

journal_title：British journal of pharmacology

authors： Chiou SH,Ku HH,Tsai TH,Lin HL,Chen LH,Chien CS,Ho LL,Lee CH,Chang YL

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND AND PURPOSE:(-)-Englerin A (EA) is a potent cytotoxic agent against renal carcinoma cells. It achieves its effects by activation of transient receptor potential canonical (TRPC)4/TRPC1 heteromeric channels. It is also an agonist at channels formed by the related protein, TRPC5. Here, we sought an EA analogue...

journal_title：British journal of pharmacology

authors： Rubaiy HN,Seitz T,Hahn S,Choidas A,Habenberger P,Klebl B,Dinkel K,Nussbaumer P,Waldmann H,Christmann M,Beech DJ

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Two of the most relevant unmet needs in epilepsy are represented by the development of disease-modifying drugs able to affect epileptogenesis and/or the study of related neuropsychiatric comorbidities. No systematic study has investigated the effects of chronic treatment with antipsychotics or an...

journal_title：British journal of pharmacology

authors： Citraro R,Leo A,De Fazio P,De Sarro G,Russo E

更新日期：2015-06-01 00:00:00

abstract：:1. Inhibition of mechanical activity in longitudinal muscle strips of rabbit duodenum was induced by perivascular and intramural nerve stimulation.2. The effects of perivascular stimulation were abolished by phentolamine + propranolol, guanethidine, reserpine and by tetrodotoxin. The effects of intramural stimulation ...

journal_title：British journal of pharmacology

authors： Weston AH

更新日期：1973-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Recent studies suggest that the effects of cyclooxygenase-2 (COX-2) inhibition are mediated by cannabinoid receptor activation. However, some non-steroidal anti-inflammatory drugs inhibit the enzyme fatty acid amide hydrolase, which regulates levels of some endocannabinoids. Whether COX-2 directl...

journal_title：British journal of pharmacology

authors： Staniaszek LE,Norris LM,Kendall DA,Barrett DA,Chapman V

更新日期：2010-06-01 00:00:00

abstract：:Eotaxin is a novel C-C chemokine with selective chemoattractant activity for eosinophils. We determined whether eotaxin could be produced by human airway smooth muscle (HASM) cells in culture and examined its regulation by interleukin-10 (IL-10) and the corticosteroid, dexamethasone. Stimulation of the cells with inte...

journal_title：British journal of pharmacology

authors： Chung KF,Patel HJ,Fadlon EJ,Rousell J,Haddad EB,Jose PJ,Mitchell J,Belvisi M

更新日期：1999-07-01 00:00:00

abstract：:1. The present work describes the effects of inhibitors (amiloride and ethylisopropylamiloride) and activators (quinoxaline and phenylephrine) of the Na(+)-H+ exchanger on the outflow of dopamine in rat kidney slices loaded with L-dihydroxyphenylalanine (L-DOPA). 2. Incubation of kidney slices loaded with 50 microM L-...

journal_title：British journal of pharmacology

authors： Soares-da-Silva P

更新日期：1993-06-01 00:00:00

abstract：:1. The effects of suramin on an adenosine 5'-triphosphate (ATP)-activated inward current were investigated in PC12 phaeochromocytoma cells with whole-cell voltage-clamp techniques. 2. Suramin (30 to 300 microM) inhibited the ATP-activated current in a dose-dependent manner. The inhibitory effects were reversible and c...

journal_title：British journal of pharmacology

authors： Nakazawa K,Fujimori K,Takanaka A,Inoue K

更新日期：1990-09-01 00:00:00

abstract：:Idiopathic pulmonary fibrosis (IPF) is a fatal lung disease where the additional presence of pulmonary hypertension (PH) reduces survival. In particular, the presence of coexistent pulmonary vascular disease in patients with advanced lung parenchymal disease results in worse outcomes than either diagnosis alone. This ...

journal_title：British journal of pharmacology

authors： Rajagopal K,Bryant AJ,Sahay S,Wareing N,Zhou Y,Pandit LM,Karmouty-Quintana H

更新日期：2021-01-01 00:00:00

abstract：:The effect of nicotine on the bioformation of prostacyclin (PGI2) and of thromboxane (Tx)B2 in rabbit aorta and platelets, respectively, was investigated. Rabbit aortic rings were incubated with [14C]-arachidonic acid ( [14C]-AA) and the incubation products were separated with thin layer chromatography (t.l.c.). Alter...

journal_title：British journal of pharmacology

authors： Alster P,Wennmalm A

更新日期：1984-01-01 00:00:00

abstract：:1. The effect of prolonged anti-hypertensive drug treatment on the blood pressure of conscious spontaneously hypertensive rats (SH-rats), and of age-matched normotensive Sprague-Dawley rats was determined during the development of hypertension in SH-rats and in the early stages of established hypertension. A compariso...

journal_title：British journal of pharmacology

authors： Hamilton TC

更新日期：1975-08-01 00:00:00

abstract：:1. Effects of oestradiol on the electrical and mechanical properties of the rabbit basilar artery were investigated by use of microelectrode, patch-clamp and isometric tension recording methods. 2. Oestradiol (10 nM-100 microM) relaxed arterial tissue pre-contracted by excess [K]o solution (30 mM) in a concentration-d...

journal_title：British journal of pharmacology

authors： Ogata R,Inoue Y,Nakano H,Ito Y,Kitamura K

更新日期：1996-01-01 00:00:00

abstract：:1. Effects of neuropeptides of the vasopressin family on Cl(-) secretion have not yet been reported in lung. Using the 16HBE14o- bronchial epithelial cell line, we investigated their action on Cl(-) secretion. 2. In symmetrical Cl(-) solutions, basolateral application of arginine vasotocin (AVT), oxytocin or isotocin ...

journal_title：British journal of pharmacology

authors： Bernard K,Bogliolo S,Ehrenfeld J

更新日期：2005-04-01 00:00:00

abstract：:1. The actions of etorphine, morphine and diprenorphine were investigated on neurones of the cerebral cortex and spinal cord of rats anaesthetized with pentobarbitone.2. In the cerebral cortex, intravenous etorphine increased the latency of the primary evoked response to a peripheral nerve stimulus and suppressed the ...

journal_title：British journal of pharmacology

authors： Biscoe TJ,Duggan AW,Lodge D

更新日期：1972-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Substance P (SP) and calcitonin gene-related peptide (CGRP) released from capsaicin-sensitive sensory nerves induce local neurogenic inflammation; somatostatin exerts systemic anti-inflammatory actions presumably via sst4/sst1 receptors. This study investigates the effects of a high affinity, sst...

journal_title：British journal of pharmacology

authors： Helyes Z,Pintér E,Németh J,Sándor K,Elekes K,Szabó A,Pozsgai G,Keszthelyi D,Kereskai L,Engström M,Wurster S,Szolcsányi J

更新日期：2006-10-01 00:00:00

abstract：:Nociceptive tail flick latencies (TFL) were recorded in response to noxious thermal stimuli applied to lightly anaesthetized rats. The effects of intrathecally administered dopamine receptor agonists alone and combined with dopamine receptor antagonists were examined upon the TFL. Experiments were repeated on animals ...

journal_title：British journal of pharmacology

authors： Barasi S,Ben-Sreti MM,Clatworthy AL,Duggal KN,Gonzalez JP,Robertson J,Rooney KF,Sewell RD

更新日期：1987-01-01 00:00:00