abstract：:1. Piretanide is a new loop diuretic resembling furosemide. The effects of this diuretic on various parameters of renal function and on the excretion of the major ions were studied on anaesthetized, hydrated rats. 2. Piretanide induced a marked diuresis and increased sodium, potassium, chloride and calcium excretion. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Nguyen-Simonnet H,Gauthier C,Pellet M

更新日期：1981-07-01 00:00:00

abstract：:1. Using the electromagnetic flow probe and the radioactive microsphere technique, systemic and regional haemodynamic variables were measured in conscious normotensive and hypertensive rabbits. The rabbits were made hypertensive by unilateral nephrectomy combined with cellophane-wrapping of the remaining kidney and sy...

journal_title：Clinical and experimental pharmacology & physiology

authors： van Boom M,Saxena PR

更新日期：1981-05-01 00:00:00

abstract：:In an attempt to study the effects of thyroid hormones, antithyroid drugs and iodide on the conversion of thyroxine (T4) to triiodothyronine (T3), the liver was obtained from normal, hypothyroid and hyperthyroid rats treated with T4 or T3 . T4 was incubated with liver homogenates and generated T3 was measured. 1. The ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Aizawa T,Yamada T

更新日期：1981-05-01 00:00:00

abstract：:1. Sodium (Na) depletion, due to uncompensated loss of parotid saliva, reduces the pressor responsiveness to angiotensin II (AII) in intact conscious sheep. 2. Inhibition of prostaglandin synthesis by indomethacin restored AII pressor responsiveness in Na-deplete sheep. 3. Indomethacin infusion also increased the pres...

journal_title：Clinical and experimental pharmacology & physiology

authors： Beilby DS,Coghlan JP,Denton DA,Graham WF,Humphery TJ,Scoggins BA,Whitworth JA

更新日期：1981-01-01 00:00:00

abstract：:1. Hepatic sulphobromophthalein (BSP) transport was studied in guinea-pigs pretreated intraperitoneally with 0.7 ml of diethyl maleate to depress hepatic glutathione levels. 2. Diethyl maleate depressed the hepatic transport of infused conjugated BSP from hepatocytes into bile without influencing hepatic uptake. 3. Un...

journal_title：Clinical and experimental pharmacology & physiology

authors： Whelan G

更新日期：1980-11-01 00:00:00

abstract：:1. The acute effects of captopril on blood pressure, renin, angiotensin, bradykinin and catecholamines were examined in patients with essential (n = 10, Group 1), accelerated (n = 6, Group 2) and renal hypertension (n = 14, Group 3). 2. Blood pressure showed little change in Group 1, fell significantly in Group 2, wit...

journal_title：Clinical and experimental pharmacology & physiology

authors： McGrath BP,Matthews PG,Johnston CI

更新日期：1980-09-01 00:00:00

abstract：:1. We have examined the question asked in the title by studying: the carotid baroreceptor reflex in man with a variable-pressure neck chamber; the carotid baroreceptor reflex in conscious rabbits with a variable-pressure capsule around the carotid bifurcation; and the barorecptor-heart rate reflex. 2. At rest, the ass...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ludbrook J,Mancia G,Zanchetti A

更新日期：1980-09-01 00:00:00

abstract：:1. In rat isolated tail arteries and atria in which transmitter stores are labelled with (3H)-noradrenaline, isoprenaline in low concentrations facilitates the stimulation-induced efflux of tritium. 2. This effect is dependent on the frequency and duration of electrical stimulation, being observed only at low frequenc...

journal_title：Clinical and experimental pharmacology & physiology

authors： Medgett IC,McCulloch MW,Rand MJ,Story DF

更新日期：1980-09-01 00:00:00

abstract：:The activation of inactive renin during incubation of human plasma with puff adder venom at pH 7.4 was found to be a complex process. Gel filtration on Sephacryl S-200 indicated that the venom contains a major peak of caseinolytic and renin-activating activity of low molecular weight. This enzyme was a metalloproteina...

journal_title：Clinical and experimental pharmacology & physiology

authors： Morris BJ,Lawrence CH,Catanzaro DF

更新日期：1980-09-01 00:00:00

abstract：:1. When six female seropositive rheumatoid patients were given placebo therapy for 48 h, their plasma kininogen level, 9.2 +/- 0.7 microgram bradykinin equivalents (bk eq) per ml, was found to be 59% greater than that of a group of eight healthy female volunteers (5.8 +/- 0.5 microgram/ml). 2. When the rheumatoid pati...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sharma JN,Zeitlin IJ,Brooks PM,Buchanan WW,Dick WC

更新日期：1980-07-01 00:00:00

abstract：:The activity of dopamine-beta-hydroxylase (D beta H) in the serum was measured in patients with quadriplegia and in healthy subjects. We assume that the plasma D beta H levels reflect sympathetic tone. Quadriplegics had significantly lower D beta H levels at rest. After head-up tilting a significant decrease in D beta...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ohry A,Rabinowitz R,Korczyn AD

更新日期：1980-07-01 00:00:00

abstract：:1. The effects of bromocriptine and indomethacin on prolactin-induced pseudopregnancy were studied in pituitary grafted rats. 2.Administration of bromocriptine (a prolactin suppressant drug) at a total dose of 3 mg/kg body weight, given in 3 divided doses on day 5 of pseudopregnancy, effectively terminated it within 3...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tan GJ

更新日期：1980-05-01 00:00:00

abstract：:1. The chronotropic and inotropic effects of the anti-anginal agent SG-75 (2-nicotinamidoethyl nitrate) and 1-verapamil were investigated in isolated blood-perfused canine atrial preparations. The compounds were administered via the cannulated sinus node artery. 2. SG-75 induced a selective negative inotropic as oppos...

journal_title：Clinical and experimental pharmacology & physiology

authors： Chiba S,Furukawa Y,Kobayashi M

更新日期：1980-03-01 00:00:00

abstract：:1. The intravenous administration of nicergoline (5 mg) was followed by a rapid and sustained lowering of blood pressure; less rapid effects were bradycardia and an elevation of cardiac output. These delayed effects are consistent with an indirect action on the alpha-adrenoreceptors of the central nervous system. 2. F...

journal_title：Clinical and experimental pharmacology & physiology

authors： Boismare F,Lefrançois J

更新日期：1980-03-01 00:00:00

abstract：:1. Plasma drug levels and blood pressure changes produced by a single 2 mg oral dose of prazosin were determined in nine hypertensive patients. 2. Regression analysis showed that there was a high degree of correlation between plasma prazosin concentration and change in mean blood pressure. 3. There were marked differe...

journal_title：Clinical and experimental pharmacology & physiology

authors： Stokes GS,Monaghan JC,MacCarthy EP,Oates HF

更新日期：1980-03-01 00:00:00

abstract：:1. The alpha-adrenoceptor antagonist, phentolamine, was administered intravenously, to conscious or anaesthetized rats, before or after the beta-adrenoceptor antagonist, propanolol. 2. The bradycardia which followed the combined administration of propranolol and phentolamine exceeded that induced by propranolol alone,...

journal_title：Clinical and experimental pharmacology & physiology

authors： Oates HF,Stoker LM

更新日期：1980-03-01 00:00:00

abstract：:1. The use of the isolated lung strip and single open tracheal ring for studying Schultz Dale anaphylactic contractions in both the peripheral and central airways is described. 2. This method is particularly relevant to studies of anaphylaxis because many preparations may be obtained from a single sensitized animal. 3...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lulich KM,Papadimitriou JM,Paterson JW

更新日期：1979-11-01 00:00:00

abstract：:1. The influence of the intact kidney on blood pressure, extracellular fluid volume (ECF, ferrocyanide space) and ECF volume distribution was studied in rats 60 days after constriction of the contralateral renal artery. 2. Renal artery constriction increased both blood pressure and ECF levels. The rise of both variabl...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kunes J,Jelínek J

更新日期：1979-09-01 00:00:00

abstract：:1. Nineteen-day old rats were fed an essential fatty acid deficient diet for 37 weeks, thereby making them essential fatty acid deficient for at least 24 weeks. The weights of their brains were 33% less than those of rats on control diets. 2. When the deficient rats were rehabilitated for ten weeks on a diet containin...

journal_title：Clinical and experimental pharmacology & physiology

authors： Odutuga AA

更新日期：1979-07-01 00:00:00

abstract：:1. The in vitro effects of histamine, some other H1- and H2-receptor agonists and some antagonists were studied on the specific activities and kinetics of rat liver alcohol dehydrogenase (ADH), and cytoplasmic and mitochondrial liver aldehyde dehydrogenase (ALDH). 2. Histamine (H1- and H2-agonist) non-competitively in...

journal_title：Clinical and experimental pharmacology & physiology

authors： Messiha FS,Hughes MJ

更新日期：1979-05-01 00:00:00

abstract：:1. Rats and mice were vaccinated with Haemophilus influenzae in different vaccination schedules whereafter blood eosinophils were counted. In rats a single vaccination resulted in a dose-dependent effect on the blood eosinophil count in a pattern comparable with that after Bordetella pertussis vaccination. In a long-t...

journal_title：Clinical and experimental pharmacology & physiology

authors： Terpstra GK,Raaijmakers JA,Kreukniet J

更新日期：1979-03-01 00:00:00

abstract：:1. The intrinsic sympathomimetic activity of a range of beta-adrenoceptor antagonists and its relationship to beta-adrenoceptor blockade was studied in pentobarbitone-anaesthetized, vagotomized rats which had been depleted of catecholamines by pretreatment with syrosingopine. Dichlorisoprenaline, practolol, oxprenolol...

journal_title：Clinical and experimental pharmacology & physiology

authors： Bilski A,Robertson HH,Wale JL

更新日期：1979-01-01 00:00:00

abstract：:1. The administration of aldosterone to adrenalectomized rats produces an increase in K+ and decrease in Na+ excretion in the urine. The relationship of the post-aldosterone to the pre-aldosterone urinary sodium and potassium excretion is termed the renal response to aldosterone. 2. The administration of L-dopa enhanc...

journal_title：Clinical and experimental pharmacology & physiology

authors： Adam WR

更新日期：1979-01-01 00:00:00

abstract：:1. Patients were grouped into categories of 'no airways disease', 'obstructive airways disease without response to bronchodilator' and 'obstructive airways disease with bronchodilator responsiveness'. 2. Cyclic nucleotides were assayed in specimens of lung tissue that were excised during surgery. 3. Reduced levels of ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Krzanowski JJ,Polson JB,Goldman AL,Ebel TA,Szentivanyi A

更新日期：1979-01-01 00:00:00

abstract：:1. Infusion of salbutamol (3.0 microgram/min after a bolus injection of 100 microgram) produced hypokalaemia in conscious dogs. 2. Measurement of arterial and coronary sinus potassium differences revealed no significant potassium loss from the heart with established hypokalaemia. 3. Shortly after the initial salbutamo...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wahlqvist ML,Shanahan EA,Dennis PM,Pullan PT,Wilmshurst EG

更新日期：1978-11-01 00:00:00

abstract：:1. The effect of bromocriptine (a prolactin suppressant drug) on the serum levels of calcium was studied in the male rat. The drug was administered subcutaneously at a dosage of 100 microgram per 100 g body weight three times per day. 2. Chronic treatment with bromocriptine had no significant effect on the serum calci...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tan CM,Tan GJ

更新日期：1978-09-01 00:00:00

abstract：:1. The purpose of this study was to determine whether hepatic mitochondria of guinea-pigs with spontaneous diabetes mellitus differ from those of non-diabetic guinea-pigs in the oxidation of fatty acids, the activity of beta-hydroxybutyrate dehydrogenase, or respiration-linked oxidative phosphorylation. During the cou...

journal_title：Clinical and experimental pharmacology & physiology

authors： Nevalainen TO,White WJ,Lang CM,Munger BL

更新日期：1978-05-01 00:00:00

abstract：:1. The concentration of methylguanidine and guanidinosuccinic acid has been measured in normal human plasma and discrepancies between various published methods for measuring methylguanidine have been resolved. Previous methods have been modified to allow these guanidines, together with guanidinoacetic acid and creatin...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lazdins I,Dawborn JK

更新日期：1978-01-01 00:00:00

abstract：:1. Subacute administration of dyflos to guinea-pigs (1.2 mg/kg, s.c., daily for 10 days) led to the development of subsensitivity to carbachol in the ileum but not in the electrically stimulated left atrium. 2. Atria from dyflos-pretreated animals became supersensitive to acetylcholine but the ileum became subsensitiv...

journal_title：Clinical and experimental pharmacology & physiology

authors： Mitchelson F,O'Shea RA

更新日期：1977-11-01 00:00:00

abstract：:1. Previous clinical and experimental reports have suggested that the systemic administration of ethyl alcohol permits lower body temperatures before the onset of hypothermic cardiac arrest. 2. In the investigations described here, the effect of ethyl alcohol on the temperature at which cardiac arrest occurred in rats...

journal_title：Clinical and experimental pharmacology & physiology

authors： Duthie AM,White JF

更新日期：1977-07-01 00:00:00

abstract：:The beta-receptor stimulant effects of Sm220Cl, dl-N-(1,1-dimethyl-3-phenylpropyl)-2-hydroxy-2-(3,4-dihydroxy-2-methoxyphenyl)ethylamine, and (-)-isoprenaline have been compared in isolated atrial (beta1) and tracheal (beta2) preparations from guinea-pigs and cats. 2. The compounds were also tested for their ability t...

journal_title：Clinical and experimental pharmacology & physiology

authors： Bohmer K,Raper C

更新日期：1977-07-01 00:00:00

abstract：:1. The antinociceptive effect of prostaglandins E1, E2 and F2alpha was studied in albino rats. Though all three prostaglandins produced similar degrees of sedation, only prostaglandin E1 (PGE1) produced a dose-related antinociceptive activity. 2. The antinociceptive activities of equi-analgesic doses of morphine (7.5....

journal_title：Clinical and experimental pharmacology & physiology

authors： Sanyal AK,Bhattacharya SK,Keshary PR,Srivastava DN,Debnath PK

更新日期：1977-05-01 00:00:00

abstract：:1. Mammalian heart muscle is extremely sensitive to the external calcium concentration. It reacts to alterations of the external calcium concentration with an immediate adaptation of contractile force. 2. In mammalian heart there is a network of large transverse tubules throughout the cell. These structures are regula...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lüllmann H,Peters T

更新日期：1977-01-01 00:00:00

abstract：:1. Four, six and eight hours after gavage of rats with alpha-mercapto-beta-(2-furan)acrylic acid (MFA) (25 mg/kg) serum zinc concentration was increased ten-fold over control levels and a mean molar ratio of 1 albumin:0-4 zinc:0-8 MFA was found for seventeen sera. 2. At pH 7-5 a maximum of 1 mole of MFA could be bound...

journal_title：Clinical and experimental pharmacology & physiology

authors： Giroux E,Prakash NJ,Schechter PJ

更新日期：1977-01-01 00:00:00

abstract：:1. The administration of coumarin resulted in a two-fold increase in the entry of 51Cr-labelled rat plasma protein into otherwise normal tissues. 2. Prior treatment of rats with coumarin allowed about 50% more radio-labelled protein to enter the tissues immediately after thermal injury than occurred with thermal injur...

journal_title：Clinical and experimental pharmacology & physiology

authors： Piller NB

更新日期：1976-11-01 00:00:00

abstract：:1. A comparison has been made of the effects of three acetylcholine antagonists--hexamethonium, tubocurarine and pancuronium--on maximal tetani of limb muscles of cats under chloralose anaesthesia. In most experiments, the indirectly stimulated soleus muscle was studied, but observations were also made on the tibialis...

journal_title：Clinical and experimental pharmacology & physiology

authors： Bowman WC,Webb SN

更新日期：1976-11-01 00:00:00

abstract：:1. The effects on the coronary and systemic haemodynamics of intravenous and intracoronary injections of two benzfuran derivatives, amiodarone and its brominated analogue (L8040), were studied in open-chest anaesthetized dogs. The effects of L8040 on cardiac intracellular potentials after 6 weeks of 20 mg/kg intraperi...

journal_title：Clinical and experimental pharmacology & physiology

authors： Singh BN,Jewitt DE,Downey JM,Kirk ES,Sonnenblick EH

更新日期：1976-09-01 00:00:00

abstract：:1. The distribution of intrarenal blood flow has been measured using the 133Xe-washout technique in thirteen baboons 2 weeks after ligation of the common bile duct. 2. In comparison with eight sham-operated baboons, there was a signifigant decrease in the percentage distribution of blood to the cortex, although the ra...

journal_title：Clinical and experimental pharmacology & physiology

authors： Bloom DS,Bomzon L,Rosendorff C,Kew MC

更新日期：1976-09-01 00:00:00

abstract：:1. Two aspects of cholesterol absorption; (a) the importance of solubilization and (b) the effects of different bile salts on the mucosal metabolism and lymphatic output of cholesterol, have been investigated using two different in vivo techniques. 2. Bile diverted lymph fistula rats were infused intraduodenally at a ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Watt SM,Simmonds WJ

更新日期：1976-07-01 00:00:00

abstract：:1. Strips of rabbit anococcygeus muscle were submaximally contracted by the addition of phenylephrine to the bath fluid. 2. Acetylcholine, dimethylphenylpiperazinium and electrical field stimulation caused relaxation. Relaxation induced by acetylcholine and field stimulation was blocked by tetrodotoxin but only the ac...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wai SS,Coupar IM

更新日期：1976-03-01 00:00:00