abstract：:1. Plasma exudation and blood flow changes induced by intradermal injection of prostaglandins E2 (PGE2), I2 (PG12), D2 (PGD2) and F2 alpha (PGF2 alpha) were measured in rabbit dorsal skin by the use of [131I]-albumin and 133Xe. 2. Little plasma exudation was produced by any of the prostaglandins when injected alone. 3...

journal_title：British journal of pharmacology

authors： Williams TJ

更新日期：1979-03-01 00:00:00

abstract：:1 The effects of prostaglandin (PGE(1)), following local administration during different phases of developing sponge-induced granulomata, were studied in normal and essential fatty acid deficient (EFAD) rats.2 In normal rats, a single dose of 1 mug PGE(1) on implantation (day 1) increased exudate production without al...

journal_title：British journal of pharmacology

authors： Bonta IL,Parnham MJ

更新日期：1979-03-01 00:00:00

abstract：:1 The rectum isolated from the fowl was perfused with Tyrode solution via the caudal mesenteric artery. Noradrenaline and adrenaline were biologically or fluorimetrically assayed in perfusates collected before and during stimulation of Remak's nerve or of the periarterial nerves.2 Perfusates collected during nerve sti...

journal_title：British journal of pharmacology

authors： Komori S,Ohashi H,Okada T,Takewaki T

更新日期：1979-02-01 00:00:00

abstract：:1 4-Aminopyridine methiodide (4-APMI), a quaternary analogue of aminopyridine (4-AP), was tested for neuromuscular facilitatory actions on the chick biventer cervicis and frog sartorius nerve-muscle preparations. 2 In the chick, 4-APMI (10(-4) to 10(-2) M) augmented indirectly elicited twitches and reversed tubocurari...

journal_title：British journal of pharmacology

authors： Horn AS,Lambert JJ,Marshall IG

更新日期：1979-01-01 00:00:00

abstract：:1 Noradrenaline (0.2 to 20 micrograms) and carbachol (0.1 to 1 microgram) injected into the preoptic/anterior hypothalamic area, evoked dose-dependent falls in core temperature at all sites tested, followed in most experiments by delayed increases that were not dose-related. Muscarine (0.1 to 10 microgram) produced ef...

journal_title：British journal of pharmacology

authors： Poole S,Stephenson JD

更新日期：1979-01-01 00:00:00

abstract：:1 The effects of electrical stimulation, changes in external ion concentrations and various drugs on acetylcholine release from the myenteric plexus were measured by bioassay in the presence of physostigmine and by recording the responses of the longitudinal muscle. In preparations from the guinea-pig, the acetylcholi...

journal_title：British journal of pharmacology

authors： Cowie AL,Kosterlitz HW,Waterfield AA

更新日期：1978-12-01 00:00:00

abstract：:1 The effect of compound 48/80 was studied on the twitch-like contractions of the longitudinal muscle of guinea-pig ileum induced by electrical stimulation of intramural cholinergic nerves. 2 Compound 48/80 alone, at concentrations up to 30 microgram/ml, had no effect on the twitch contractions. The contraction to exo...

journal_title：British journal of pharmacology

authors： Kamikawa Y,Shimo Y

更新日期：1978-12-01 00:00:00

abstract：:1. The effects of dopamine on vasoconstrictor responses to field stimulation of sympathetic nerves and to exogenous noradrenaline were studied in the isolated ear artery of the rabbit. Responses to noradrenaline were unchanged at the start of the dopamine infusions but were enhanced as the infusions continued and also...

journal_title：British journal of pharmacology

authors： Hope W,McCulloch MW,Rand MJ,Story DF

更新日期：1978-12-01 00:00:00

abstract：:1. The action of the non-steroidal anti-inflammatory drugs (NSAID), sodium salicylate, aspirin, phenylbutazone and indomethacin was investigated on the migration of human polymorphonuclear cells (PMNs) and lymphocytes, using the system of migration of leucocytes from glass capillary tubes. 2. All NSAID produced a dose...

journal_title：British journal of pharmacology

authors： Brown KA,Collins AJ

更新日期：1978-11-01 00:00:00

abstract：:The electrically-evoked contractions of the rat vas deferens were selectively inhibited by beta-endorphin, the preparation being much less sensitive to enkephalins and narcotic analgesic drugs. However, introduction of D-Ala in position 2 of [Leu]-enkephalin enhanced the activity of the opioid peptide to the order of ...

journal_title：British journal of pharmacology

authors： Lemaire S,Magnan J,Regoli D

更新日期：1978-11-01 00:00:00

abstract：:1 The putative 5-hydroxytryptamine (5-HT) receptor blocking drugs methysergide (10 mg/kg) and methergoline (5 mg/kg) were found to abolish some components of the hyperactivity syndrome, including head weaving and forepaw treading, which follow administration to rats of tranylcypromine (20 mg/kg) and L-tryptophan (100 ...

journal_title：British journal of pharmacology

authors： Deakin JF,Green AR

更新日期：1978-10-01 00:00:00

abstract：:1 A method is described for repeated sampling of plasma noradrenaline (NA) in freely moving rats. Na concentration does not change during the day or after adrenalectomy. 2 Exogenous NA has a half-life of 1.5 min; drugs which block neuronal and extra-neuronal uptake lengthen this to 6.3 min. 3 Swim-stress leads to a st...

journal_title：British journal of pharmacology

authors： Benedict CR,Fillenz M,Stanford C

更新日期：1978-10-01 00:00:00

abstract：:1. Characterization of the beta-adrenoceptors mediating inhibition of gastric acid secretion in the conscious Heidenhain pouch dog has been investigated by determination of the effects of propranolol, (+)-propranolol, practolol and H35/25 on salbutamol and isoprenaline-induced inhibition of gastric acid secretion. 2. ...

journal_title：British journal of pharmacology

authors： Daly MJ,Long JM,Stables R

更新日期：1978-09-01 00:00:00

abstract：:The concentrations of catecholamines and the activities of dopamine-beta-hydroxylase were measured in blood obtained from decapitated diabetic and aged-matched control rats. The activity of dopamine-beta-hydroxylase in blood from diabetic rats was much greater (5 fold) than that seen for control rats. For both diabeti...

journal_title：British journal of pharmacology

authors： Berkowitz BA,Head RJ

更新日期：1978-09-01 00:00:00

abstract：:1 The ability of drugs to inhibit noradrenaline accumulation and to release noradrenaline was studied in the isolated anococcygeus muscle of the rat. 2 Noradrenaline, tyramine, 2-amino,6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene (ADTN), 2-amino,6,7-dimethoxy-1,2,3,4-tetrahydronaphthalene (dimethyl ADTN), and 5-hydroxy...

journal_title：British journal of pharmacology

authors： Doggrell SA,Woodruff GN

更新日期：1978-07-01 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：:1 In spontaneously active Purkinje fibres of young cows the dose-response curves of the action of isoprenaline upon different electrophysiological parameters were measured.2 The increase in slope of diastolic depolarization could roughly be described by a one-for-one binding curve with a half maximum effect near 10(-8...

journal_title：British journal of pharmacology

authors： Grabowski W,Lüttgau HC,Schulze JJ

更新日期：1978-07-01 00:00:00

abstract：:1 Sheep were injected with either methotrexate or melphalan in an attempt to lower the numbers of neutrophil granulocytes in peripheral blood. 2 Methotrexate, 5.0 mg/kg intravenously, on three consecutive days, produced no noticeable clinical or haematological changes. 3 A single dose of melphalan, 1.0 mg/kg intraveno...

journal_title：British journal of pharmacology

authors： Greenwood B,Kerry PJ

更新日期：1978-06-01 00:00:00

abstract：:1. Interactions of bath-applied pentobarbitone and gamma-aminobutyric acid (GABA) on neurones in isolated superior cervical ganglia of the rat have been examined with intracellular microelectrodes. 2. Pentobarbitone itself (30 micrometer-1 mM) showed no clear or consistent GABA-like effects: changes in resting input c...

journal_title：British journal of pharmacology

authors： Brown DA,Constanti A

更新日期：1978-05-01 00:00:00

abstract：:1 The effects of isoprenaline, propranolol and phosphodiesterase inhibitors on (3)H-transmitter overflow elicited by low frequency nerve stimulation were determined in the isolated perfused spleen of the cat.2 (-)-Isoprenaline (0.14, 1.4, and 14 nM) produced a concentration-dependent increase in [(3)H]-transmitter ove...

journal_title：British journal of pharmacology

authors： Celuch SM,Dubocovich ML,Lander SZ

更新日期：1978-05-01 00:00:00

abstract：:1 Contractions of the cat nictitating membrane were elicited on stimulation of the internal carotid nerve, and the effects were studied of desipramine and two inhibitors of catechol-O-methyltransferase, U-0521 and pyrogallol, on the subsequent relaxation of the muscle. 2 The relaxation of the nictitating membrane occu...

journal_title：British journal of pharmacology

authors： Eccles R,Maclean AG

更新日期：1978-04-01 00:00:00

abstract：:The effects of a new selective beta1-adrenoceptor agonist, (--)-1-(4-hydroxyphenoxy)-3-isopropyl-amino-propanol-2-hydrochloride (H 133/22), on amylase secretion from the rat parotid gland were investigated in an in vitro system. The results were compared to the secretory responses obtained with noradrenaline, adrenali...

journal_title：British journal of pharmacology

authors： Carlsöö B,Danielsson A,Henriksson R

更新日期：1978-03-01 00:00:00

abstract：:Cyclic adenosine 3',5'-monophosphage (cyclic AMP) levels in guinea-pig tracheal rings increased on incubation with the vasoactive intestinal peptide (VIP). The effect was potentiated by the addition of theophylline. The results suggest that the tracheo-bronchial relaxant action of VIP may be mediated by stimulation of...

journal_title：British journal of pharmacology

authors： Frandsen EK,Krishna GA,Said SI

更新日期：1978-03-01 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 fate of (15S)-15-methyl prostaglandin E(2) methyl ester and 16,16-dimethyl prostaglandin E(2) in the pulmonary circulation of rat isolated lungs was compared with that of prostaglandin E(2) by means of bioassay.2 Calculated on the basis of height of response of the assay tissues, the inactivation of prostaglandi...

journal_title：British journal of pharmacology

authors： Bakhle YS,Jancar S,Whittle BJ

更新日期：1978-02-01 00:00:00

abstract：:1 Histamine produced a dose-dependent contraction of the isolated portal vein of the rabbit. This contraction was not antagonized by atropine, methysergide, indomethacin, cocaine or 6-hydroxy-dopamine, nor by pretreatment of the rabbit with reserpine. 2 The response to histamine was blocked by H1-receptor antagonists ...

journal_title：British journal of pharmacology

authors： Cook DA,Macleod KM

更新日期：1978-02-01 00:00:00

abstract：:1 A simple double-isotope assay for phospholipase A2 activity of perfused organs is described; Guinea-pig lungs perfused through the pulmonary circulation exhibit a low background enzyme activity. This activity is blocked by dexamethasone, betamethasone and hydrocortisone, mepacrine, procaine or chlorpromazine. Aspiri...

journal_title：British journal of pharmacology

authors： Blackwell GJ,Flower RJ,Nijkamp FP,Vane JR

更新日期：1978-01-01 00:00:00

abstract：:Antigen challenge in vivo of rat peritoneal cells (enriched with monocytes and polymorphonuclear leucocytes) passively sensitized 2 h previously with homologous antibody of the IgGa class released large amounts of slow-reacting substance of anaphylaxis (SRS-A, 1739 +/- 59 u/ml) into the peritoneal fluid. This reaction...

journal_title：British journal of pharmacology

authors： Burka JF,Garland LG

更新日期：1977-12-01 00:00:00

abstract：:1 In cats anaesthetized with pentobarbitone, saxitoxin and, on a few occasions, tetrodotoxin were injected into a lateral cerebral ventricle or into the subarachnoid space of the lower brain stem. Observations were made on frequency and tidal volume of breathing, on CO(2) responsiveness and on electrical responsivenes...

journal_title：British journal of pharmacology

authors： Borison HL,McCarthy LE

更新日期：1977-12-01 00:00:00

abstract：:1. Neural crest material from neurula stage Xenopus embryos was tissue cultured as small aggregates of cells or a single cell suspension. Isolated pigment cells differentiated after 2 days in culture. 2. Melatonin (10(-15) to 10(-13) M) induced pigment granule condensation; it was 10,000 times more effective than any ...

journal_title：British journal of pharmacology

authors： Messenger EA,Warner AE

更新日期：1977-12-01 00:00:00

abstract：:1 Acetylcholine-induced contractions of the isolated chronically denervated soleus muscle of the mouse consist of two phases, but both phases are equivalent to the contracture phase seen in vivo.2 Low [Ca(2+)](0) (0.5-1.5 mM) augmented peak tension, as well as the rate of relaxation, of the first phase, but inhibited ...

journal_title：British journal of pharmacology

authors： Hall MT,Maleque MA,Wadsworth RM

更新日期：1977-12-01 00:00:00

abstract：:1. Changes induced in the electrocorticogram by the bilateral perfusion of (+)-amphetamine into the mesencephalic reticular formation (MRF) have been studied in cat encéphale isolé preparations. 2. (+)-Amphetamine, applied for 5 min in the MRF, mimicked the electrocortical desynchronization induced by the perfusion of...

journal_title：British journal of pharmacology

authors： Candy JM,Key BJ

更新日期：1977-11-01 00:00:00

abstract：:1. Behavioural activity (delayed differentiation and spatial delayed alternation) and pharmacokinetics of diazepam and its metabolites, N-desmethyldiazepam (nordiazepam), 3-hydroxydiazepam (temazepam) and 3-hydroxy-N-desmethyldiazepam (oxazepam), and of dipotassium clorazepate (clorazepate), were studied in the monkey...

journal_title：British journal of pharmacology

authors： Curry SH,Whelpton R,Nicholson AN,Wright CM

更新日期：1977-11-01 00:00:00

abstract：:1. Previous work from our laboratory has shown that cannabis induces aggressive behaviour in rats that have been deprived of rapid eye movement (REM) sleep. It was suggested that this effect was related to brain catecholamines, with dopamine playing an agonist role and noradrenaline an inhibitory one. The present pape...

journal_title：British journal of pharmacology

authors： Carlini EA,Lindsey CJ,Tufik S

更新日期：1977-11-01 00:00:00

abstract：:1 Plasma noradrenaline concentrations were similar in rats following unilateral renal arterial constriction (two kidney Goldblatt model) and in sham-operated control rats. 2 The development of hypertension was not affected by pretreatment with intracisternal injections of 6-hydroxydopamine. 3 These data suggest that s...

journal_title：British journal of pharmacology

authors： Dargie HJ,Franklin SS,Reid JL

更新日期：1977-10-01 00:00:00

abstract：:ST-segment elevation following temporary coronary artery occlusion was measured from nine epicardial leads in open-chest anaesthetized dogs. This was greatly reduced by the prior administration of the anti-dysrhythmic aminosteroid, ORG 6001. It is suggested that this effect is related either to a reduction in the exte...

journal_title：British journal of pharmacology

authors： Marshall RJ,Parratt JR

更新日期：1977-10-01 00:00:00

abstract：:1 Core and tail skin temperature was measured in rats which had guide cannulae implanted into their brains to allow drug injections directly into the preoptic anterior hypothalamus. 2 Apomorphine and dopamine (10 microgram in 1 microliter) injected into the area of the preoptic anterior hypothalamus caused a fall in c...

journal_title：British journal of pharmacology

authors： Cox B,Lee TF

更新日期：1977-09-01 00:00:00

abstract：:1,1-Azobis[3-methyl-2-phenylbenzimidazolinium]dimethanesulphonate (AH 10407) has an ultrashort, competitive neuromuscular blocking action in the mouse, cat, dog, Cynamolgus monkey and cotton-eared marmoset. 2 AH 10407 is chemically unstable in bicarbonate-containing solutions and is degraded to inactive products. The ...

journal_title：British journal of pharmacology

authors： Brittain RT,Jack D,Tyers MB

更新日期：1977-09-01 00:00:00

abstract：:1. Female mice of the Hough/Porton and Tuck/TO strains were found to be more sensitive than male mice to the diuretic effects of oral and intravenous doses of ethacrynic acid. 2. The sensitivity of Hough/Porton male mice to ethacrynic acid was increased after pretreatment with stilboestrol and the sensitivity of femal...

journal_title：British journal of pharmacology

authors： Cooling MJ,Sim MF

更新日期：1977-08-01 00:00:00

abstract：:1 Human luteal tissue slices from days 18, 21 and 25 of the menstrual cycle were superfused in vitro with Medium 199 alone or containing cloprostenol (1 microgram/ml). Concentrations of progesterone, oestradiol-17beta and prostaglandins F2alpha and E2 were determined in the superfusate samples. 2 Secretion of steroids...

journal_title：British journal of pharmacology

authors： McDougall AN,Walker FM,Watson J

更新日期：1977-07-01 00:00:00