abstract：:1. The action of angiotensin on the circular and longitudinal muscle of the human colon has been studied in vitro. The ED50 value (g/ml) of circular muscle was 8.7 x 10(-8) and of longitudinal muscle 3.1 x 10(-8), while the corresponding figures for acetylcholine were 1.6 x 10(-6) and 1.1 x 10(-6), respectively. Angio...

journal_title：British journal of pharmacology

authors： Fishlock DJ,Gunn A

更新日期：1970-05-01 00:00:00

abstract：:1. The sensitivity of the guinea-pig vas deferens to noradrenaline, histamine, methylfurmethide and potassium was examined in vitro following decentralization and reserpine treatment.2. One day after decentralization or administration of reserpine (1.0 mg/kg daily) the sensitivity of the vas deferens was not increased...

journal_title：British journal of pharmacology

authors： Westfall DP

更新日期：1970-05-01 00:00:00

abstract：:1. Electrical stimulation of the mid-brain raphé in anaesthetized adrenalectomized rats produced a significant decrease in the forebrain content of 5-hydroxytryptamine (5-HT) and an increase in the concentration of 5-hydroxyindol-3-ylacetic acid (5-HIAA).2. Stimulation of peripheral sensory nerves did not influence ei...

journal_title：British journal of pharmacology

authors： Padjen A,Randić M

更新日期：1970-05-01 00:00:00

abstract：:1. The effect of a single injection of the monoamine oxidase inhibitor, tranylcypromine, administered intravenously (20 mg/kg) or into the lateral cerebral ventricle (5-10 mg), on hypothalamic and rectal temperature, has been investigated.2. Intravenous tranylcypromine causes a significant rise in body temperature, wh...

journal_title：British journal of pharmacology

authors： Cranston WI,Rosendorff C

更新日期：1970-05-01 00:00:00

abstract：:1. Alprenolol, a beta-adrenoceptor blocking drug reported to have the same potency as propranolol in vitro and in vivo, was found to be four times more active than procaine as a local anaesthetic on frog sciatic nerve.2. At doses of 0.125 mg/kg and above alprenolol protected anaesthetized guinea-pigs against ouabain-i...

journal_title：British journal of pharmacology

authors： Singh BN,Williams EM

更新日期：1970-04-01 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. Temperature, oxygen consumption, electromyographic activity, plasma non-esterified fatty acids and blood sugar were estimated in conscious unrestrained young chickens under conditions of thermoneutrality (31 degrees C) and below thermoneutrality (16 degrees C). In some chickens carotid arterial pressure was also re...

journal_title：British journal of pharmacology

authors： Allen DJ,Garg KN,Marley E

更新日期：1970-04-01 00:00:00

abstract：:1. The intravenous, subcutaneous and oral toxicity of ambenoxan in mice is reported.2. Ambenoxan is a centrally acting skeletal muscle relaxant shown to be effective in mice, rats, rabbits, dogs and monkeys without loss of the righting reflex.3. It had no peripheral neuromuscular blocking properties.4. Decerebrate rig...

journal_title：British journal of pharmacology

authors： Shapero M,Southgate PJ

更新日期：1970-02-01 00:00:00

abstract：:1. Juvenile male rats treated with parachlorophenylalanine showed hair loss round the head and neck extending down the chest and abdomen.2. Treated isolated rats did not have this loss of hair, while untreated animals living in the same cage as treated rats lost their hair. The loss therefore seems to be caused by inc...

journal_title：British journal of pharmacology

authors： Shillito EE

更新日期：1970-02-01 00:00:00

abstract：:1. The noradrenaline concentration in the lung was less than 0.5 mug/g in eight animal species.2. In the cat, dog, rabbit and goat, tyramine produced a fall in pulmonary resistance, which was reduced by the administration of either reserpine or cocaine. Although an infusion of noradrenaline increased the content of th...

journal_title：British journal of pharmacology

authors： Aviado DM,Sadavongvivad C

更新日期：1970-02-01 00:00:00

abstract：:1. The measurement of changes in spike generation and membrane resistance in the guinea-pig taenia coli, using the sucrose gap extracellular recording method, has been shown to be a useful way to demonstrate the intrinsic sympathomimetic activity of the beta adrenoceptor blocking agents.2. Pronethalol, INPEA, MJ 1999,...

journal_title：British journal of pharmacology

authors： Davis WG

更新日期：1970-01-01 00:00:00

abstract：:1. Poly(2-vinylpyridine 1-oxide) counteracts the pathogenic effects normally produced when quartz is injected into or inhaled by animals and the cytotoxic effects when quartz is added to macrophage cultures. The protective action of this polymer has been attributed variously to the formation of an adsorbed layer on th...

journal_title：British journal of pharmacology

authors： Holt PF,Lindsay H,Beck EG

更新日期：1970-01-01 00:00:00

abstract：:1. The noradrenaline (NA) concentration in the "heart" (atria and right ventricle) of male rats was estimated at different periods following adrenal demedullation. For 1-3 weeks after the operation there was, in all rats, a reduction in NA content of the tissue, whereas, after somewhat longer intervals, the concentrat...

journal_title：British journal of pharmacology

authors： Borchard F,Vogt M

更新日期：1970-01-01 00:00:00

abstract：:1. The influence of sodium and potassium on the accumulation of 5-hydroxytryptamine (5-HT) by rat blood platelets was investigated.2. An absolute dependence of 5-HT uptake on the sodium concentration in the medium was found.3. Removal of potassium reduced the uptake by about 60%. High concentrations of potassium inhib...

journal_title：British journal of pharmacology

authors： Sneddon JM

更新日期：1969-11-01 00:00:00

abstract：:1. Morphine-like analgesic drugs caused depression of twitches of the isolated guinea-pig ileum in response to transmural electrical stimulation. The drugs tested were the narcotic analgesics codeine, diamorphine, fentanyl, morphine, morphine-N-oxide, normorphine, oxymorphone, pethidine, phenazocine and phenoperidine ...

journal_title：British journal of pharmacology

authors： Fennessy MR,Heimans RL,Rand MJ

更新日期：1969-10-01 00:00:00

abstract：:1. The experiment investigated the effects of psychotropic drugs on enzymes in vitro.2. Chlorpromazine inhibits mitochondrial malate dehydrogenase in concentrations of 1.4x10(-4)M and above. No effect was observed below this concentration.3. A sharp inflection in the [unk]/drug plot was also seen with chlorpromazine (...

journal_title：British journal of pharmacology

authors： Chowdhury AK,Rogers H,Skinner A,Spector RG,Watts DC

更新日期：1969-10-01 00:00:00

abstract：:1. I.C.I. 50172 had marked quinidine-like effects on intracellular cardiac action potentials at concentrations above 20 mg/l. (6.61 x 10(-5)M). The rate of rise and overshoot of the action potential, conduction velocity and contractions were decreased. (-)-Propranolol had similar effects at less than 1/30 this concent...

journal_title：British journal of pharmacology

authors： Papp JG,Williams EM

更新日期：1969-10-01 00:00:00

abstract：:1. Therapeutic doses of colistin sulphomethate sodium B.P. (Colomycin), pento-N sulphomethylpolymyxin B sodium (Thiosporin) and ampicillin B.P. (Penbritin) as well as normal saline have been given to volunteers with normal kidney function.2. A blind crossover technique was used and the effects of the compounds on bloo...

journal_title：British journal of pharmacology

authors： Caldwell AD,Martin AJ,Trigger DJ

更新日期：1969-09-01 00:00:00

abstract：:1. The effects of intracameral injections of prostaglandins E(1), E(2), F(1a), F(2a), and A(1) were studied on the intraocular pressure (IOP) of rabbits anaesthetized with urethane.2. With the exception of prostaglandin F(1a), all the prostaglandins studied were found to be capable of producing a large, sustained rise...

journal_title：British journal of pharmacology

authors： Beitch BR,Eakins KE

更新日期：1969-09-01 00:00:00

abstract：:1. Series of analogues of acetylcholine have been prepared in which the acetyl group was replaced by phenylacetyl, cyclohexylacetyl, diphenylacetyl, dicyclohexylacetyl, (+/-)-phenylcyclohexylacetyl, benziloyl and (+/-)-phenylcyclohexylhydroxyacetyl groups and the trimethylammonium group was replaced by Me(2)EtN(+), Me...

journal_title：British journal of pharmacology

authors： Abramson FB,Barlow RB,Mustafa MG,Stephenson RP

更新日期：1969-09-01 00:00:00

abstract：:1. The convulsive effects of leptazol in the rat are potentiated by prior treatment with dexamphetamine.2. An intact dopamine synthesis is necessary for the potentiation of the convulsive action of leptazol.3. An intact noradrenaline synthesis is not necessary for this action of amphetamine, as long as the dopamine sy...

journal_title：British journal of pharmacology

authors： Spencer PS,Turner TA

更新日期：1969-09-01 00:00:00

abstract：:1. Caerulein displayed a potent stimulant action on pancreatic secretion in the dog. Threshold doses were 1-5 ng/kg by rapid intravenous injection, 0.25-1 ng/kg per min by intravenous infusion and 50-100 ng/kg by subcutaneous injection. There was a conspicuous increase not only in the volume flow of pancreatic juice b...

journal_title：British journal of pharmacology

authors： Bertaccini G,De Caro G,Endean R,Erspamer V,Impicciatore M

更新日期：1969-09-01 00:00:00

abstract：:1. The effects of sulphone have been studied on kinin production in dog plasma and on capillary permeability in the skin of rabbits.2. Dog plasma was used as a substrate for pancreatic kallikrein in vitro and the addition of sulphone caused an inhibition of kinin production, which was dependent on the concentration of...

journal_title：British journal of pharmacology

authors： Abitbol H,Piulats E,Roselló S

更新日期：1969-09-01 00:00:00

abstract：:1. The action of adrenaline on the K(+) balance of the isolated heart was found to depend on the ionic composition and the temperature of the perfusion fluids used.2. When the perfusion fluid contained 145 mM Na(+), 1.7 mM Ca(++) and 3-9 mM K(+), adrenaline caused the hearts to gain K(+); when the K(+) concentration w...

journal_title：British journal of pharmacology

authors： Stafford A

更新日期：1969-07-01 00:00:00

abstract：:1. Histamine contracted the tracheal and major bronchial muscles of sheep and relaxed the muscles of the lesser bronchi and bronchioles.2. The stimulant action of histamine on the trachea was antagonized by mepyramine, whereas the relaxant effect on the bronchial tree was not.3. 5-Hydroxytryptamine contracted the musc...

journal_title：British journal of pharmacology

authors： Yre P

更新日期：1969-07-01 00:00:00

abstract：:1. Rabbit left atrial preparations driven electrically at different rates were used for studies on inotropic effects of cations, drugs and coupled pacing. Sino-atrial node-atrial preparations were used for investigating the chronotropic effect of noradrenaline.2. The contractile tension-driving rate relationship was m...

journal_title：British journal of pharmacology

authors： Toda N

更新日期：1969-06-01 00:00:00

abstract：:1. A biliary fistula was prepared in twelve sheep.2. Each animal was given 2 ml. of (14)C-carbon tetrachloride (specific activity 15 mc/m-mole) and bile collected at 2, 4, 24 and 48 hr.3. Specific activity was measured by liquid scintillation counting before and after each specimen had been heated to 75 degrees C for ...

journal_title：British journal of pharmacology

authors： Khalidi A,Zaki SA

更新日期：1969-06-01 00:00:00

abstract：:1. Bicyclic compounds with potential thymoleptic properties (Lu-compounds) have recently become available, and their effects on the membrane pumps of the central and peripheral monoamine neurones have now been tested and compared with those of the tricyclic antidepressant drugs.2. Biochemical and histochemical in vivo...

journal_title：British journal of pharmacology

authors： Carlsson A,Fuxe K,Hamberger B,Malmfors T

更新日期：1969-05-01 00:00:00

abstract：:1. Tyramine 10(-4)M significantly increased release of noradrenaline-7-(3)H (NA-7-(3)H) from rat vas deferens in vitro.2. Neither cocaine 10(-5)M nor imipramine 10(-7)M-10(-6)M significantly reduced tyramine-induced release of NA-7-(3)H.3. Increasing the exposure time to cocaine and imipramine from 10 to 20 min or pre...

journal_title：British journal of pharmacology

authors： Barnett A,Staub M,Symchowicz S

更新日期：1969-05-01 00:00:00

abstract：:1. The actions on the taenia of 4-(m-chlorophenylcarbamoyloxy)-2-butynyl-trimethylammonium chloride (McN-A-343), N-benzyl-3-pyrrolidyl acetate methobromide (AHR-602), tetramethylammonium (TMA) and choline phenyl ether have been examined and compared with the actions of acetylcholine, nicotine and 1,1-dimethyl-4-phenyl...

journal_title：British journal of pharmacology

authors： Hobbiger F,Mitchelson F,Rand MJ

更新日期：1969-05-01 00:00:00

abstract：:1. Fenclozic acid (2-(4-chlorophenyl)thiazol-4-ylacetic acid; I.C.I. 54,450; "Myalex") is one representative of a new class of compounds with antiinflammatory, analgesic and antipyretic properties as evidenced by its activity in a variety of tests in rats, mice and guinea-pigs.2. In tests of short duration the potency...

journal_title：British journal of pharmacology

authors： Newbould BB

更新日期：1969-03-01 00:00:00

abstract：:1. Rat phrenic nerve preparations were used in vitro to study action potential amplitude and nerve conduction time under varying conditions of Pco(2) and sodium bicarbonate concentration in the surrounding Krebs solution.2. A correlation was found between action potential amplitude and pH but not between action potent...

journal_title：British journal of pharmacology

authors： Ellis FR

更新日期：1969-01-01 00:00:00

abstract：:1. The uptake and release of (3)H-digitoxigenin by electrically driven, guinea-pig isolated atria (frequency 180/min) has been determined for two different medium concentrations of the genin. Both concentrations-1 x 10(-7) and 5 x 10(-7) g/ml.-caused a pronounced increase in contractile force.2. The uptake of (3)H-dig...

journal_title：British journal of pharmacology

authors： Kuschinsky K,Lüllmann H,van Zwieten PA

更新日期：1968-11-01 00:00:00

abstract：:1. Several amino-acid esters and amides have been prepared and their toxicological and pharmacological properties have been investigated. Some of the quaternary esters and amides were lethal to mice at doses below 1 mg/kg; this lethality was usually associated with high nicotinic activity. None of the compounds showed...

journal_title：British journal of pharmacology

authors： Barrass BC,Brimblecombe RW,Parkes DC,Rich P

更新日期：1968-10-01 00:00:00

abstract：:1. Nine non-steroidal anti-inflammatory drugs were tested for antagonism of bradykinin-induced bronchoconstriction in guinea-pig lungs in vivo. Only one, benzydamine, was inactive.2. The descending order of potency of the active anti-inflammatory drugs was meclofenamate = Scha 306>Scha 87/2>indoxole>Mi85>indomethacin>...

journal_title：British journal of pharmacology

authors： Collier HO,James GW,Piper PJ

更新日期：1968-09-01 00:00:00

abstract：:1. The intravenous infusion of I.C.I. 50172 in doses up to 20 mg reduced, although not significantly, the increase in heart rate produced by the infusion of isoprenaline in healthy volunteers; the response to adrenaline was significantly reduced. The infusion of 1 mg propranolol abolished these responses2. After the p...

journal_title：British journal of pharmacology

authors： Brick I,Hutchison KJ,McDevitt DG,Roddie IC,Shanks RG

更新日期：1968-09-01 00:00:00

abstract：:1. The potencies of some beta-adrenoreceptor blocking drugs in reducing noradrenaline uptake by the isolated heart were compared with their potencies in reducing the release of noradrenaline from the heart by tyramine.2. Of the drugs tested, propranolol, pronethalol and dichloroisoprenaline were the most potent in blo...

journal_title：British journal of pharmacology

authors： Foo JW,Jowett A,Stafford A

更新日期：1968-09-01 00:00:00