4-Aminopyridine blockade of neuronal depressant responses to adenosine triphosphate.

abstract：:1. The effects of brevetoxin-B, a red tide toxin, on motor nerve terminal activity were assessed on mouse triangularis sterni nerve-muscle preparations. The perineural waveforms were recorded with extracellular electrodes placed in the perineural sheaths of motor nerves. 2. At 0.11 microM, brevetoxin-B increased the c...

journal_title：British journal of pharmacology

authors： Tsai MC,Chen ML

更新日期：1991-05-01 00:00:00

abstract：:1. The effects of bretylium have been investigated on the content and sub-cellular distribution of noradrenaline in cat spleen and on the overflow of noradrenaline in response to stimulation of the splenic nerve.2. Bretylium, 15 min after its administration, produces a significant depletion of noradrenaline in only th...

journal_title：British journal of pharmacology

authors： Abbs ET,Robertson MI

更新日期：1970-04-01 00:00:00

abstract：:1. In the conscious rat, three tachykinin NK3 receptor antagonists, namely SR142801 ((S)-(N)-(1-(3-(1-benzoyl-3-(3,4-dichlorophenyl)piperidin-3-yl)pro pyl)-4-phenylpiperidin-4-yl)-N-methylacetamide), R820 (3-indolylcarbonyl-Hyp-Phg-N(Me)-Bzl) and R486 (H-Asp-Ser-Phe-Trp-beta-Ala-Leu-Met-NH2) were assessed against the ...

journal_title：British journal of pharmacology

authors： Cellier E,Barbot L,Regoli D,Couture R

更新日期：1997-10-01 00:00:00

abstract：:1. The fall in arterial blood pressure with bradycardia that occurs on injection of clonidine into the cerebral ventricles and into the cisterna magna is attributed to an action on ;chemosensitive zones' situated at the ventral surface of the brain stem. This conclusion is based on the following results obtained in ca...

journal_title：British journal of pharmacology

authors： Bousquet P,Guertzenstein PG

更新日期：1973-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The non-nucleoside analogue reverse transcriptase inhibitor efavirenz is associated with hepatic toxicity and metabolic disturbances. Although the mechanisms involved are not clear, recent evidence has pinpointed a specific mitochondrial action of efavirenz accompanied by the induction of an endo...

journal_title：British journal of pharmacology

authors： Polo M,Alegre F,Funes HA,Blas-Garcia A,Victor VM,Esplugues JV,Apostolova N

更新日期：2015-04-01 00:00:00

abstract：:1. Modulations of Cl- responses to glycine by 5-hydroxytryptamine ligands were studied in cultured spinal neurones, by the whole-cell recording technique. 2. Three 5-HT3 antagonists were found to potentiate reversibly responses to low concentrations of glycine. Potentiations were induced by micromolar concentrations o...

journal_title：British journal of pharmacology

authors： Chesnoy-Marchais D

更新日期：1996-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Emesis is a multi-system reflex, which is usually investigated using in vivo models. The aim of the study is to compare the response induced by emetic compounds across species and investigate whether dogs, ferrets and rats are all similarly predictive of humans. EXPERIMENTAL APPROACH:A systemati...

journal_title：British journal of pharmacology

authors： du Sert NP,Holmes AM,Wallis R,Andrews PL

更新日期：2012-03-01 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. 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：:1. The natriuretic and diuretic effects of atriopeptin III (125, 250 and 500 ng kg-1, i.v.) were studied in groups of rats anaesthetized with pentobarbitone which were either sham controls, unilaterally nephrectomized controls, adenine-fed or subtotal nephrectomy chronic renal failure models. 2. Atriopeptin III given ...

journal_title：British journal of pharmacology

authors： Johns EJ,Rutkowski B

更新日期：1990-02-01 00:00:00

abstract：:1. The effector mechanism of intestinal necrosis in rat anaphylaxis was studied following several complementary approaches: (i) the use of monoclonal antibodies (mAb) belonging to different classes (IgG1, IgG2b and IgE anti-DNP), (ii) the assay of mediators, and (iii) the use of pharmacological tools. 2. Lethality and...

journal_title：British journal of pharmacology

authors： Pellón MI,Steil AA,Furió V,Sánchez Crespo M

更新日期：1994-08-01 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. The relative proportions of beta 1- and beta 2-adrenoceptors were determined by radioligand binding studies in three different rat myocardial preparations: membranes prepared from rat ventricle (ventricular membranes), membranes prepared from rat isolated ventricular myocytes (myocyte membranes), and myocytes isola...

journal_title：British journal of pharmacology

authors： Kitagawa Y,Adachi-Akahane S,Nagao T

更新日期：1995-09-01 00:00:00

abstract：:1. The relaxant effects of Zeneca ZD7114, BRL37344 (putative beta 3-adrenoceptor agonists) and various phenylethylamine-based agonists were studied in isolated ileum of the rat where tone was increased with carbachol (0.5 microM). Agonist-induced relaxation.was measured under equilibrium conditions with alpha-, beta 1...

journal_title：British journal of pharmacology

authors： Growcott JW,Holloway B,Green M,Wilson C

更新日期：1993-12-01 00:00:00

abstract：:1 alpha-Flupenthixol (alpha-FPT; 0.2 mg/kg i.p.) when administered to rats produced catalepsy. 2 Baclofen (10 mg/kg i.p.) given 30 min after alpha-FPT had a biphasic effect on the catalepsy. Initially there was a potentiation of the effect, followed by a significant attenuation of the degree of catalepsy. 3 Possible m...

journal_title：British journal of pharmacology

authors： Davies JA,Williams J

更新日期：1978-02-01 00:00:00

abstract：:1. The purpose of this study was to develop and validate an integrated pharmacokinetic-pharmacodynamic model for the anti-lipolytic effects of the adenosine A1-receptor agonist N6-(p-sulphophenyl)adenosine (SPA). Tissue selectivity of SPA was investigated by quantification of haemodynamic and anti-lipolytic effects in...

journal_title：British journal of pharmacology

authors： van Schaick EA,de Greef HJ,Langemeijer MW,Sheehan MJ,IJzerman AP,Danhof M

更新日期：1997-10-01 00:00:00

abstract：:The presence of functional cannabinoid CB2 receptors in the CNS has provoked considerable controversy over the past few years. Formerly considered as an exclusively peripheral receptor, it is now accepted that it is also present in limited amounts and distinct locations in the brain of several animal species, includin...

journal_title：British journal of pharmacology

authors： Benito C,Tolón RM,Pazos MR,Núñez E,Castillo AI,Romero J

更新日期：2008-01-01 00:00:00

abstract：:We performed intracellular recordings from a rat corticostriatal slice preparation in order to compare the electrophysiological effects of the classical antiepileptic drug (AED) phenytoin (PHT) and the new AEDs lamotrigine (LTG) and gabapentin (GBP) on striatal neurons. PHT, LTG and GBP affected neither the resting me...

journal_title：British journal of pharmacology

authors： Calabresi P,Centonze D,Marfia GA,Pisani A,Bernardi G

更新日期：1999-02-01 00:00:00

abstract：:Prostaglandin E(2) (PGE(2)) increased adenosine 3' : 5'-cyclic monophosphate (cyclic AMP) formation in tracheal epithelial cells and concomitantly decreased the production/secretion of immunoreactive endothelin (irET). Naturally occurring prostanoids and selective and non-selective EP receptor agonists showed the foll...

journal_title：British journal of pharmacology

authors： Pelletier S,Dubé J,Villeneuve A,Gobeil F Jr,Yang Q,Battistini B,Guillemette G,Sirois P

更新日期：2001-03-01 00:00:00

abstract：:1. The goal of this study was to determine if an increase in cytoplasmic calcium concentration ([Ca2+]i), in the absence of additional second messengers derived from membrane phospholipid turnover, is a sufficient signal to induce chloride secretion across monolayers of the human colonic epithelial line, T84. 2. Thaps...

journal_title：British journal of pharmacology

authors： Kachintorn U,Vajanaphanich M,Traynor-Kaplan AE,Dharmsathaphorn K,Barrett KE

更新日期：1993-06-01 00:00:00

abstract：:1 The actions of prostaglandin F2 alpha (PGF2 alpha) and noradrenaline on contraction and 45Ca exchange have been studied in rat mesenteric arteries. 2 PGF2 alpha and noradrenaline contracted rat isolated mesenteric artery preparations to about the same extent. The PGF2 alpha-stimulated contractions, unlike those prod...

journal_title：British journal of pharmacology

authors： Godfraind T,Miller RC

更新日期：1982-01-01 00:00:00

abstract：:1. The effects of ryanodine on changes in cytoplasmic Ca2+ level ([Ca2+]i) and muscle tension induced by maximum concentrations of phenylephrine (Phe; 1 microM), prostaglandin F2 alpha (PGF2 alpha, 10 microM), caffeine (Caf, 30 mM) and isoprenaline (Iso, 1 microM) were examined in rat aortic strips using fura-2. 2. In...

journal_title：British journal of pharmacology

authors： Hisayama T,Takayanagi I,Okamoto Y

更新日期：1990-08-01 00:00:00

abstract：:1. The vascular effects of endothelin and localization of endothelin-like immunoreactivity were characterized in isolated cerebral arteries of dogs. 2. Endothelin-like immunoreactivity was detected in a few populations of endothelial cells of dog basilar artery. 3. Endothelin-1, endothelin-2 and endothelin-3 contracte...

journal_title：British journal of pharmacology

authors： Saito A,Shiba R,Yanagisawa M,Masaki T,Kimura S,Yamada K,Mima T,Shigeno T,Goto K

更新日期：1991-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The function of transporters in peripheral blood mononuclear cells (PBMC) has been characterized, but less is known about cytochrome P450 (CYP) enzyme function in these cells. Given that cytokines are dysregulated in many diseases, the purpose of this work was to assess the impact of cytokines on...

journal_title：British journal of pharmacology

authors： Liptrott NJ,Penny M,Bray PG,Sathish J,Khoo SH,Back DJ,Owen A

更新日期：2009-02-01 00:00:00

abstract：:Intracellular potentials were recorded from rabbit atria, cardiac Purkinje cells and papillary muscles before and after exposure to various concentrations of indecainide. The effects of aprindine also were studied in the atrial preparations. Both drugs depressed the maximum rate of depolarization (MRD) in a dose-relat...

journal_title：British journal of pharmacology

authors： Dennis PD,Vaughan Williams EM

更新日期：1985-05-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Mast cells are important in allergic reactions. Here, we assessed the anti-allergic effects of the anti-cancer drug tozasertib specifically regarding regulatory effects on mast cell activation. EXPERIMENTAL APPROACH:Tozasertib effects on mast cell degranulation were determined by measuring β-hex...

journal_title：British journal of pharmacology

authors： Zhang LN,Ji K,Sun YT,Hou YB,Chen JJ

更新日期：2020-06-01 00:00:00

abstract：:1 Endomorphin-1 and -2 (E-1/E-2) have been proposed as endogenous ligands for the mu-opioid receptor. The aims of this study are to characterize the binding of E-1/E-2 and the subsequent effects on cyclic AMP formation and [Ca2+]i levels in SH-SY5Y and Chinese hamster ovary (CHO) cells expressing endogenous and recomb...

journal_title：British journal of pharmacology

authors： Harrison C,McNulty S,Smart D,Rowbotham DJ,Grandy DK,Devi LA,Lambert DG

更新日期：1999-09-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Nociceptin/orphanin FQ (N/OFQ) peptide (NOP) receptor agonists display a promising analgesic profile in preclinical studies. However, supraspinal N/OFQ produced hyperalgesia in rodents and such effects have not been addressed in primates. Thus, the aim of this study was to investigate the effects...

journal_title：British journal of pharmacology

authors： Ding H,Hayashida K,Suto T,Sukhtankar DD,Kimura M,Mendenhall V,Ko MC

更新日期：2015-07-01 00:00:00

abstract：:1. Adenosine A(1), A(2A), and A(3) receptors (ARs) and extracellular signal-regulated kinase 1/2 (ERK1/2) play a major role in myocardium protection from ischaemic injury. In this study, we have characterized the adenosine receptor subtypes involved in ERK1/2 activation in newborn rat cardiomyocytes. 2. Adenosine (non...

journal_title：British journal of pharmacology

authors： Germack R,Dickenson JM

更新日期：2004-01-01 00:00:00

abstract：:1. Involvement of cholinergic mechanisms in the contractile response to Leu13-motilin (LMT, KW-5139) was investigated in rabbit duodenal segments, and longitudinal muscle-myenteric plexus (LM-MP) preparations preincubated wtih [3H]-choline. 2. Contractile response to LMT (0.1 nM-1 microM) consisted of an initial rapid...

journal_title：British journal of pharmacology

authors： Kitazawa T,Ishii A,Taniyama K

更新日期：1993-05-01 00:00:00