abstract：:The effect of L-thyroxine on serum angiotensin converting enzyme activity using a sheep model was examined. Following two weeks of L-thyroxine treatment, the activity of serum angiotensin converting enzyme was increased from 6.92 U/ml to 8.65 U/ml (s.e.m. = 0.40, n = 13, P less than 0.01). Discontinuation of L-thyroxi...

journal_title：Clinical and experimental pharmacology & physiology

authors： Verma P,Noble S,Miller R

更新日期：1986-08-01 00:00:00

abstract：:This study investigated whether the specific alpha-antagonist, prazosin, stimulated basal plasma renin levels and heart rate. Furthermore the beta-adrenergic nervous system was also investigated to ascertain whether it was involved in this effect. Prazosin (0.1 or 1 mg/kg) was injected subcutaneously (s.c.) to conscio...

journal_title：Clinical and experimental pharmacology & physiology

authors： Atkinson J,Luthi P,Sonnay M,Boillat N

更新日期：1986-07-01 00:00:00

abstract：:Ventilation to one lobe of lung was reduced in anaesthetized open-chest cats and dogs to simulate the ventilation/perfusion (V/Q) mismatching of chronic lung disease. Blood flow to this lobe fell less than ventilation; thus lobar V/Q diminished. In seven cats almitrine (0.5 mg/kg + 10 micrograms/kg per min, i.v.) caus...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wach RA,Gill GW,Suggett AJ,Bee D,Barer G

更新日期：1986-06-01 00:00:00

abstract：:Pressor responsiveness to angiotensin II (AII) and phenylephrine (PE) was examined before and after 5 days of ACTH (1 mg, i.m., daily) or hydrocortisone (200 mg, orally, daily) in six normotensive men. Pulse pressure was higher prior to PE than AII infusion, presumably due to feeding. Systolic blood pressure (SBP) was...

journal_title：Clinical and experimental pharmacology & physiology

authors： Whitworth JA,Connell JM,Lever AF,Fraser R

更新日期：1986-04-01 00:00:00

abstract：:Based on 28 reported patients, constant features of the syndrome of hypertension and hyperkalaemia are hyperkalaemia, hyperchloraemia, normal renal glomerular function and, in all adult patients, hypertension. Inconstant features include short stature, intellectual impairment and muscle weakness. Levels of renin and a...

journal_title：Clinical and experimental pharmacology & physiology

authors： Gordon RD

更新日期：1986-04-01 00:00:00

abstract：:The distribution and binding characteristics of the radioligand (-)-[125I]-cyanopindolol (CYP) have been examined in slide mounted mouse kidney sections, using the technique of in vitro labelling and autoradiography. (-)-[125I]-CYP binding to sections was of high affinity (KD = 55.8 pmol/l, s.e.m. = 8.1, n = 4) to a s...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lew R,Summers RJ

更新日期：1986-03-01 00:00:00

abstract：:Simultaneous measurements of smooth muscle membrane potential and tension were made from isolated pieces of rat tail artery. A single electrical stimulus to the perivascular nerves produced a transient contraction of the smooth muscle. The amplitude of the contraction was increased after removal of the endothelium. Th...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kotecha N,Neild TO

更新日期：1986-03-01 00:00:00

abstract：:The effect of indomethacin suppositories on both acute urinary colic and urinary calculus, resistant or refractory to conventional therapy with analgesics and spasmolytics was investigated. Fifty-five patients with acute urinary colic refractory to treatment with repeated injections of antispasmodics and analgesics ha...

journal_title：Clinical and experimental pharmacology & physiology

authors： Al-Waili NS

更新日期：1986-03-01 00:00:00

abstract：:The prostaglandin synthesis inhibitor diclofenac sodium has been compared with a placebo in the treatment of primary nocturnal enuresis in a double-blind crossover trial. Twenty patients were entered: 14 female, six male; age range 6-17 years. The results showed that diclofenac sodium was significantly more effective ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Al-Waili NS

更新日期：1986-02-01 00:00:00

abstract：:The anti-acetylcholinesterase (AChEase) activity of 15 opioids, namely morphine, nalorphine, oxymorphone, naloxone, naltrexone, N-methylnaloxone, levorphanol, levallophan, dextrorphan, dextrallophan, levo-methadone, dextro-methadone, pethidine, leu-enkephalin and U-50,488H was investigated. Among the opioids, the morp...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sim MK,Chua ME

更新日期：1986-02-01 00:00:00

abstract：:The effect of cyclic GMP was investigated using guinea-pig tracheal smooth muscle. 8-Bromo-cyclic GMP showed a dose-dependent relaxation of spontaneous tension of tracheal smooth muscle. Administration of sodium nitroprusside induced dose-dependent relaxation of tracheal smooth muscle as well as an increase in tissue ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Suzuki K,Takagi K,Satake T,Sugiyama S,Ozawa T

更新日期：1986-01-01 00:00:00

abstract：:The pressor responses to angiotensin II injections of 29, 117 and 468 pmol/kg and infusion at 54 pmol/kg per min were compared in near-term pregnant and matched non-pregnant rabbits. The responses to noradrenaline injections of 652, 2608 and 10 432 pmol/kg and infusion at 1185 pmol/kg per min were similarly compared. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Joels N,Humphreys PW

更新日期：1985-11-01 00:00:00

abstract：:The effects of naloxone on contractility and cardiac rhythm were studied in the rat isolated perfused heart during myocardial ischaemia and reperfusion. Pretreatment of the rat isolated perfused heart with naloxone abolished the reduction in left ventricular pressures and attenuated greatly the arrhythmias due to myoc...

journal_title：Clinical and experimental pharmacology & physiology

authors： Zhan ZY,Lee AY,Wong TM

更新日期：1985-07-01 00:00:00

abstract：:Short-term salt loading and salt restriction in a group of normal pregnant women produced no changes in lying, sitting or standing blood pressures or heart rates. Home blood pressures showed no trend to change over the periods of altered salt intake. Although plasma volume and plasma renin activity changed with altere...

journal_title：Clinical and experimental pharmacology & physiology

authors： McEniery PJ,Hunyor SN,Cooper KA,Gallery ED,Gyory AZ,Boyce ES

更新日期：1985-05-01 00:00:00

abstract：:Rats were prepared with chronic cannulae in the carotid artery, jugular vein and urinary bladder; they were then kept 2 days to allow recovery from surgery. A steady-state continuous saline diuresis was established, then various anaesthetic agents were injected and changes in the urine flow, sodium and potassium excre...

journal_title：Clinical and experimental pharmacology & physiology

authors： Chen CF,Chapman BJ,Munday KA

更新日期：1985-03-01 00:00:00

abstract：:Afferent splanchnic nerve stimulation with different frequencies in Wistar Kyoto rats caused depressor and pressor responses depending on the frequency employed. Similar visceral afferent activation in spontaneously hypertensive rats caused depressor responses at all frequencies of stimulation. It is suggested that th...

journal_title：Clinical and experimental pharmacology & physiology

authors： Koyama S,Manning JW

更新日期：1985-01-01 00:00:00

abstract：:The inhibitory effect of morphine on intestine was observed by following the intestinal transit of a charcoal meal. This inhibitory effect of morphine was antagonized by naloxone. In addition, the inhibitory effect of morphine was also suppressed by prior administration of yohimbine and phentolamine. However, prazosin...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wong CL

更新日期：1984-11-01 00:00:00

abstract：:Studies in rats have shown that neomycin administration attenuates certain types of adrenocortical steroid dependent hypertension, including ACTH hypertension. The effects of oral neomycin on ACTH induced hypertension were examined in conscious sheep. Neomycin has no effect on the blood pressure or metabolic responses...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tresham J,Coghlan JP,Denton DA,Scoggins BA,Whitworth JA

更新日期：1984-11-01 00:00:00

abstract：:Serotonin causes a dose related (0.1-20 micrograms/kg i.v.) increase in mean arterial blood pressure (MAP) and heart rate in conscious sheep. Ketanserin (0.1 mg/kg per h i.v.) causes a decrease in blood pressure, and an increase in heart rate. In the presence of ketanserin, serotonin induced increases in MAP are atten...

journal_title：Clinical and experimental pharmacology & physiology

authors： Nelson MA,Coghlan JP,Denton DA,Mills EH,Spence CD,Whitworth JA,Scoggins BA

更新日期：1984-11-01 00:00:00

abstract：:The combined administration of metronidazole and ampicillin increased faecal weights by 198% in normal male subjects on controlled diets with constant energy, protein and dietary fibre content. Intestinal transit times were unaltered despite marked increase in faecal weights. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kurpad AV,Shetty PS

更新日期：1984-09-01 00:00:00

abstract：:Urapidil had blocking activity on alpha 1-adrenoceptors in the rat isolated caudal artery (pA2 congruent to 7) and in the anaesthetized rat. Urapidil had no clonidine like agonistic activity on alpha 2-adrenoceptors in preparations of the guinea-pig ileum (prejunctional) or dog saphenous vein (post-junctional). Urapid...

journal_title：Clinical and experimental pharmacology & physiology

authors： Verberne AJ,Rand MJ

更新日期：1984-07-01 00:00:00

abstract：:Receptors for parathyroid hormone (PTH) in the renal tubule are coupled to adenylate cyclase stimulation. PTH causes a rise in urinary cAMP by leakage from adenylate cyclase stimulation. PTH causes a rise in urinary cAMP by leakage from cells of the proximal convoluted tubule. The effects of alpha-adrenergic agonists ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Woodcock EA,McLeod JK,Johnston CI

更新日期：1984-07-01 00:00:00

abstract：:The amino acid sequence of human renin was identified for the first time. This was determined from the nucleotide sequence of exons in the human renin gene identified in a genomic library by recombinant DNA techniques. Examination of amino acid residues involved in the enzymatic hydrolysis by human renin of the unique...

journal_title：Clinical and experimental pharmacology & physiology

authors： Morris BJ,Catanzaro DF,Hardman J,Mesterovic N,Tellam J,Hort Y,Bennetts BH,Shine J

更新日期：1984-07-01 00:00:00

abstract：:In guinea-pig isolated atria, angiotensin I and angiotensin II produced concentration dependent increases in the rate of spontaneous beating and in the release of noradrenaline produced by field stimulation of sympathetic nerves. In rat isolated caudal artery preparations, both angiotensin I and angiotensin II had dir...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ziogas J,Story DF,Rand MJ

更新日期：1984-07-01 00:00:00

abstract：:The effector mechanisms responsible for the bradycardia evoked by bilateral lesions of the brainstem coinciding with the A1 catecholamine cells were analyzed in four groups of rabbits. Sham or lesion operations were carried out in animals with intact cardiac effectors, with cardiac sympathetic block induced by propran...

journal_title：Clinical and experimental pharmacology & physiology

authors： Denoroy L,West MJ,Chalmers J

更新日期：1984-03-01 00:00:00

abstract：:The effects of variation in dietary sodium intake on biochemical indices of sympathetic activity were investigated in normal subjects. Sodium restriction for 7 days (mean urinary sodium excretion 21 mmol/day, s.e.m. = 4) increased supine plasma noradrenaline concentration significantly (1.78 nmol/l, s.e.m. = 0.23) com...

journal_title：Clinical and experimental pharmacology & physiology

authors： Watson RD,Esler MD,Leonard P,Korner PI

更新日期：1984-03-01 00:00:00

abstract：:The effect of pancuronium in the rabbit ear artery was investigated in order to measure the inhibition it produces at the prejunctional muscarinic receptor on sympathetic nerve endings in this tissue. Pancuronium (0.1-0.2 mmol/l) produced an enhancement of responses to transmural electrical stimulation but this effect...

journal_title：Clinical and experimental pharmacology & physiology

authors： Leung E,Mitchelson F

更新日期：1983-11-01 00:00:00

abstract：:Urinary levels of glycosaminoglycans (GAG) and hydroxyproline from normal and fluoride treated rabbits were estimated. The hydroxylysine content of serum and urine of rabbits after excessive ingestion of fluoride was also investigated. There was a progressive decrease in GAG content, reduction in hydroxylysine, wherea...

journal_title：Clinical and experimental pharmacology & physiology

authors： Jha M,Koacher J,Susheela AK

更新日期：1983-09-01 00:00:00

abstract：:To test a possible role of endogenous opioids in the blood pressure (BP) and heart rate (HR) responses to the converting enzyme inhibitor captopril in man, nine normal subjects were given captopril (50 mg) or placebo with and without the opioid antagonist naloxone (0.2 mg/kg i.v.). Treatments were given in random orde...

journal_title：Clinical and experimental pharmacology & physiology

authors： Millar JA,Sturani A,Rubin PC,Lawrie C,Reid JL

更新日期：1983-05-01 00:00:00

abstract：:The possibility that serotonin (5HT) nerve endings in the dorsomedial medulla oblongata participate in the control of blood pressure was investigated in stroke-prone hypertensive rats and in normotensive rats. 5HT nerves were destroyed by injecting 5,7-dihydroxytryptamine bilaterally into the solitary tract nucleus. I...

journal_title：Clinical and experimental pharmacology & physiology

authors： Howe PR,Rogers PF,King RA,Smith RM

更新日期：1983-05-01 00:00:00

abstract：:Capillary permeability (CP) is elevated in late normal pregnancy, when compared to postpartum values. In women with pregnancy associated hypertension (PAH), pregnancy CP levels are not different from postpartum and are less than in normal pregnancy. These changes in capillary permeability are not explained by alterati...

journal_title：Clinical and experimental pharmacology & physiology

authors： Hunyor SN,McEniery PT,Roberts KA,Bellamy GR,Roffe DJ,Gallery ED,Gyory AZ,Boyce ES

更新日期：1983-05-01 00:00:00

abstract：:Cerebral blood flow (CBF) and cerebral O2 metabolism (CMRO2) changes were measured in these studies during treatment with three reputed cerebral vasodilators: bradykinin, adenosine triphosphate (ATP) and increased arterial PCO2. Intracerebrovascular bradykinin infusions increased CMRO2 and CBF to a similar degree. Int...

journal_title：Clinical and experimental pharmacology & physiology

authors： Hoffman WE,Miletich DJ,Volkman PH,Albrecht RF

更新日期：1983-03-01 00:00:00

abstract：:1. Total fluid and saline intakes were greater in spontaneously hypertensive rats (SHR) than in normotensive rats (NTR). 2. Total fluid and saline intake were significantly elevated in prehypertensive SHR, 5 weeks old, compared with age-matched NTR, and the intakes fell with age in both strains but remained considerab...

journal_title：Clinical and experimental pharmacology & physiology

authors： May CN,Parsons BJ

更新日期：1983-01-01 00:00:00

abstract：:1. Antinociceptive activity of hen egg white lysozyme (Fleming's lysozyme) was determined against abdominal contractions provoked by irritants injected intraperitoneally into mice. Carrageenan (2 mg) (CA) injected with arachidonic acid (15 micrograms) (AA) or prostaglandins PGE1 or PGF2 alpha (0.04 ng), brewer's yeast...

journal_title：Clinical and experimental pharmacology & physiology

authors： Bianchi C

更新日期：1983-01-01 00:00:00

abstract：:1. The diffusional permeability of collecting ducts to 22Na+ and 36Cl- was measured in rat papillae in vitro. 2. The permeability of the collecting duct to 36Cl- was 0.72 (s.e.m. = 0.01; n = 356) microns/sec which was significantly higher than the value of 0.51 (s.e.m. = 0.01; n = 356) microns/sec measured for 22Na+. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Morgan T,Ray C

更新日期：1982-11-01 00:00:00

abstract：:1. Measurements were made on blood pH, PCO2 and PO2 in mice after a single injection and following five weeks continuous clonidine hydrochloride treatment. 2. A single injection of clonidine hydrochloride exerts no effect on blood pH, PCO2 and PO2 but five weeks of continuous clonidine hydrochloride treatment lowers t...

journal_title：Clinical and experimental pharmacology & physiology

authors： Gan EK,Abdul Sattar MZ

更新日期：1982-11-01 00:00:00

abstract：:1. Insulin-liposomes of four different lipid combinations were given intragastrically to normal rats on twenty occasions and to diabetic rats on 164 occasions. 2. Normal rats showed no hypoglycaemic response to either sonicated or unsonicated liposomes. 3. Diabetic rats failed to respond to sonicated liposomes but six...

journal_title：Clinical and experimental pharmacology & physiology

authors： Shenfield GM,Hill JC

更新日期：1982-07-01 00:00:00

abstract：:1. Structural changes in resistance vessels were studied sequentially (a) by hindquarter perfusion and (b) by planimetry of renal arterioles less than or equal to 20 micrometers radius, for 10 weeks during development of DOCA (deoxycorticosterone acetate)/salt hypertension in uninephrectomized rats and 5 weeks after c...

journal_title：Clinical and experimental pharmacology & physiology

authors： Vial JH,Yong AC,Boyd GW

更新日期：1982-05-01 00:00:00

abstract：:1. Twelve treated hypertensive patients (ages 58-71 years) who had also been treated for joint disease participated in a randomized double-blind crossover placebo-controlled study to investigate the effects of indomethacin (25 mg three times daily) on blood pressure and biochemical parameters over a 6-week period. 2. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wing LM,Bune AJ,Chalmers JP,Graham JR,West MJ

更新日期：1981-09-01 00:00:00

abstract：:1. Adrenaline can enhance the stimulation-induced release of transmitter noradrenaline in sympathetically innervated tissues by activating prejunctional beta-adrenoceptors. 2. Adrenaline incorporated into sympathetic transmitter stores by neuronal uptake can be subsequently released as a co-transmitter and can then ac...

journal_title：Clinical and experimental pharmacology & physiology

authors： Majewski H,Tung LH,Rand MJ

更新日期：1981-09-01 00:00:00