abstract：:1. We examined the proliferative rates of cultured astrocytes isolated from stroke-prone spontaneously hypertensive rats (SHRSP) and stroke-resistant spontaneously hypertensive rats (SHRSR). Wistar-Kyoto rats (WKY) were used as a control for SHRSP and SHRSR. 2. In the presence of 10% fetal bovine serum (FBS), the doub...

journal_title：Clinical and experimental pharmacology & physiology

authors： Yamagata K,Nara Y,Tagami M,Yamori Y

更新日期：1995-09-01 00:00:00

abstract：:1. Changes in membrane fluidity have been proposed to contribute to the pathogenesis of ethanol-induced hypertension possibly through changes in membrane lipid patterns, but reports are inconsistent. 2. In a controlled trial we documented ethanol-induced changes in blood pressure and composition of membrane lipids in ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Puddey IB,Burke V,Croft K,Beilin LJ

更新日期：1995-09-01 00:00:00

abstract：:1. Obstruction of the upper airway could be an initiating factor in the Sudden Infant Death Syndrome (SIDS). Responses to upper airway obstruction include augmentation of respiratory efforts, active dilation of the upper airway and electrocortical arousal. Vulnerable individuals may fail to mount these responses effec...

journal_title：Clinical and experimental pharmacology & physiology

authors： Harding R,Jakubowska AE,McCrabb GJ

更新日期：1995-08-01 00:00:00

abstract：:1. The aim of this study was to evaluate the role of endothelium in mediating the response to acetylcholine in the thoracic aorta and coronary vessels of rats exposed to cigarette smoking. Total serum cholesterol was measured at the beginning and end of the experiment. 2. The relaxation response to acetylcholine was s...

journal_title：Clinical and experimental pharmacology & physiology

authors： Jorge PA,Ozaki MR,Almeida EA

更新日期：1995-06-01 00:00:00

abstract：:1. Nitric oxide (NO) synthase inhibitors and Paf antagonists abrogate hypotension in septic shock. The latter may act by blocking intracellular transduction mechanisms in vascular smooth muscle cells and inflammatory cells. We examined the effect of Paf antagonists on expression of inducible NO synthase. 2. A murine m...

journal_title：Clinical and experimental pharmacology & physiology

authors： Arthur JF,Shahin S,Dusting GJ

更新日期：1995-06-01 00:00:00

abstract：:1. In the present study we have examined the effects of angiotensin I converting enzyme (ACE) inhibition and nitric oxide (NO) synthesis inhibition on bradykinin (BK) depressor responses in pregnancy in both Wistar-Kyoto (WKY) and spontaneously hypertensive rats (SHR). 2. Ramipril (10 mg/kg, i.v.) significantly reduce...

journal_title：Clinical and experimental pharmacology & physiology

authors： Chu ZM,Beilin LJ

更新日期：1995-06-01 00:00:00

abstract：:1. The objectives of the study were to establish that inhibition of neuronal differentiation in culture (assessed by neurite outgrowth) can be used as a broad spectrum in vitro measure of neurotoxicity. 2. To establish whether a rapid measure of neurite outgrowth could be used. Thus the study examined the relationship...

journal_title：Clinical and experimental pharmacology & physiology

authors： Abdulla EM,Calaminici M,Campbell IC

更新日期：1995-05-01 00:00:00

abstract：:1. Activities of acetylcholinesterase (AChE), neuropathy target esterase (NTE), and carboxylesterase (CbxE) were compared in neuroblastoma cells of human origin (SH-SY5Y) and murine origin (NB41A3). 2. Mouse neuroblastoma cells had lower specific activities of NTE and CbxE than did human neuroblastoma cells; specific ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ehrich M,Veronesi B

更新日期：1995-05-01 00:00:00

abstract：:1. The neuronal release of acetylcholine (ACh) and its autoregulation by neuromodulators, substance P (SP) and methionine enkephalin (MEK), have been studied using superfused rodent cerebral slices. Nicotine exerts significant effects on autoregulation of ACh release, which may have toxicological implications. 2. Posi...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sastry BV

更新日期：1995-04-01 00:00:00

abstract：:1. Oxidative stress is believed to be an important mediator of neuronal cell death but the precise mechanism by which this occurs is unknown. 2. We have developed an in vitro model of neuronal oxidative stress to study the pathways by which free radicals kill neurones. 3. We have shown that oxidative stress, cystine d...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ratan RR,Baraban JM

更新日期：1995-04-01 00:00:00

abstract：:1. Salt intake is not only known to play an important role in determining blood pressure (BP) but has been shown to have other deleterious effects independent of BP. 2. Epidemiological and animal studies have provided evidence that salt intake may have an adverse effect on stroke mortality independent of BP. 3. Signif...

journal_title：Clinical and experimental pharmacology & physiology

authors： Antonios TF,MacGregor GA

更新日期：1995-03-01 00:00:00

abstract：:1. Ambulatory monitoring provides a unique opportunity for studying the temporal relationships between lifestyle factors and blood pressure (BP). These include physical activity, mental activity, environmental stressors, substances ingested for pleasure such as smoking, alcohol and caffeine, and nutrition. 2. Changes ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Pickering TG,Schwartz JE,James GD

更新日期：1995-03-01 00:00:00

abstract：:1. Neutrophil function was studied in 10 males presenting with acute myocardial infarction (MI) within 6 h of onset and in 10 normal males. Neutrophil production of platelet-activating factor (PAF), determined by bioassay, that of leukotriene B4 by HPLC, and the activity of an enzyme involved in the synthesis of PAF, ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Strahan ME,Graham RM,Eccleston DS,Sturm MJ,Taylor RR

更新日期：1995-02-01 00:00:00

abstract：:1. We wished to determine whether, during pregnancy, there is reduced renal response to atrial distension, whether secretion of atrial natriuretic factor (ANF) is suppressed and whether neural input from the atrial volume receptors to the central nervous system is altered. 2. Conscious, chronically instrumented female...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kaufman S

更新日期：1995-02-01 00:00:00

abstract：:1. In order to investigate further whether the increased sensitivity to inhibition by nifedipine of the responses to noradrenaline of aortae from spontaneously hypertensive stroke-prone (SHRSP) rats is related to the development of the hypertension, we have compared the sensitivity to noradrenaline, potassium chloride...

journal_title：Clinical and experimental pharmacology & physiology

authors： Jiang GC,Iwanov V,Moulds RF

更新日期：1995-01-01 00:00:00

abstract：:1. Effects of a newly developed phosphodiesterase (PDE) III inhibitor, E-1020, on intracellular calcium transients were compared with those of isoproterenol (ISO) in isolated single myocytes from failing hearts secondary to pulmonary hypertension induced by monocrotaline injection. Myocytes were isolated by enzyme dig...

journal_title：Clinical and experimental pharmacology & physiology

authors： Honda M,Kuramochi T,Ishinaga Y,Kuzuo H,Tanaka K,Morioka S,Enomoto K,Takabatake T

更新日期：1994-12-01 00:00:00

abstract：:1. Kynurenine aminotransferase catalyzes the conversion of kynurenine to kynurenic acid, an endogenous antagonist of excitatory amino acid receptors. The kynurenic acid content and kynurenine aminotransferase activity was measured in micro-dissected regions of spontaneously hypertensive rats (SHR) and their normotensi...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kapoor V,Kapoor R,Chalmers J

更新日期：1994-11-01 00:00:00

abstract：:1. The role of cardiac reflexes in baroreflex control mechanisms and the changes that occur in chronic hypertension is reviewed. The rapid resetting properties of the arterial baroreceptors ensures its role in short-term rather than long-term control of blood pressure. 2. In hypertensive humans and animals, the barore...

journal_title：Clinical and experimental pharmacology & physiology

authors： Head GA

更新日期：1994-10-01 00:00:00

abstract：:1. The physiological relevance of cardiac and vascular alpha-adrenoceptors may increase in disease states in which beta-adrenoceptors are altered. To test this, positive inotropic and vasoconstrictor responses to phenylephrine were measured in isolated tissues from rats with experimentally-induced hyperthyroidism, hyp...

journal_title：Clinical and experimental pharmacology & physiology

authors： Brown L,Amos G,Miller B

更新日期：1994-09-01 00:00:00

abstract：:1. We tested the hypothesis that increasing myocardial cyclic GMP levels would reduce myocardial O2 consumption and areas of low O2 supply/consumption balance, using zaprinast, a selective cyclic GMP-phosphodiesterase inhibitor. 2. The study was conducted in three groups (vehicle, 10(-3) and 3 x 10(-3) mol/L zaprinast...

journal_title：Clinical and experimental pharmacology & physiology

authors： Weiss HR,Rodriguez E,Tse J,Scholz PM

更新日期：1994-08-01 00:00:00

abstract：:1. The reproducibility of blood volume measurements, using [51Cr]-labelled red blood cells (RBC) was tested in three lambs, 79-89 days of age, and the accuracy was tested in eight lambs, 83 +/- 0.4 days of age, in which blood volume was measured simultaneously by [51Cr]-RBC and [125I]-gamma globulin plus haematocrit (...

journal_title：Clinical and experimental pharmacology & physiology

authors： Moritz KM,Potocnik SJ,Tangalakis K,Wintour EM

更新日期：1994-07-01 00:00:00

abstract：:1. We previously reported that volatile anaesthetics produce incidences of a transient opisthotonus in mice, a sign of CNS stimulation. This study was performed to investigate mechanisms by which enflurane-induced opisthotonus (EIO) occurs. 2. The effects of pretreatment of N-methyl-D-aspartate (NMDA) antagonists dizo...

journal_title：Clinical and experimental pharmacology & physiology

authors： Komatsu H,Nogaya J,Ueki M,Yokono S,Ogli K

更新日期：1994-06-01 00:00:00

abstract：:1. Pretreatment with intravenous WEB-2086 (0.5 mg/kg; an antagonist of the actions of platelet activating factor; PAF) with or without indomethacin (2 mg/kg) failed to prevent or modify the fall in blood pressure following unclipping of the renal artery of anaesthetized two-kidney, one-clip hypertensive rats. 2. The s...

journal_title：Clinical and experimental pharmacology & physiology

authors： Smith AJ,Gerkens JF,Dosen P

更新日期：1994-05-01 00:00:00

abstract：:1. The role of calcium-activated potassium (KCa) channels in bronchodilation produced by a direct adenylyl cyclase activator, forskolin, was investigated. The involvement of intracellular cyclic AMP (cAMP) in the process was also examined. 2. The isometric tension records from guinea-pig tracheal smooth muscles indica...

journal_title：Clinical and experimental pharmacology & physiology

authors： Hiramatsu T,Kume H,Kotlikoff MI,Takagi K

更新日期：1994-05-01 00:00:00

abstract：:1. The effects of ethacrynic acid were studied on relaxations elicited by nitric oxide (NO), the NO-donors sodium nitroprusside (SNP) and glyceryl trinitrate (GTN), nitrergic nerve stimulation and the NO-independent agent papaverine in isolated preparations of rat anococcygeus muscles. 2. Ethacrynic acid (100 mumol/L)...

journal_title：Clinical and experimental pharmacology & physiology

authors： Li CG,Brosch SF,Rand MJ

更新日期：1994-04-01 00:00:00

abstract：:1. Intravenous endothelin-1 releases endothelium-derived relaxing factor (EDRF) and prostacyclin from the lungs, and substantial pulmonary clearance is claimed. Since these vaso-active substances could alter the haemodynamic effects of endothelin-1, the effects of boluses of endothelin-1 injected intravenously and int...

journal_title：Clinical and experimental pharmacology & physiology

authors： Roberts-Thomson P,McRitchie RJ,Cain MD,Chalmers JP

更新日期：1994-04-01 00:00:00

abstract：:1. The study examines whether intracerebroventricular (ICV) infusion of atrial natriuretic peptide (human ANP,1-28) influences renal electrolyte and water excretion, vasopressin release, renal and femoral blood flows in conscious ewes. The blood flow was measured by chronically implanted ultrasonic flow probes. 2. ICV...

journal_title：Clinical and experimental pharmacology & physiology

authors： Gunnarsson U

更新日期：1994-03-01 00:00:00

abstract：:1. Epidermal growth factor is a potent mitogen that causes natriuresis, diuresis and inhibition of arginine vasopressin-induced water reabsorption. 2. The aim of this study was to determine any interaction between epidermal growth factor and the V1 (vascular) and/or V2 (antidiuretic) arginine vasopressin receptor subt...

journal_title：Clinical and experimental pharmacology & physiology

authors： Grant SL,Phillips PA,Gow CB

更新日期：1994-03-01 00:00:00

abstract：:1. The vascular contractile effects of polymorphonuclear leucocytes (PMN) isolated from control rabbits and from rabbits made atherosclerotic by 1% cholesterol feeding for 8 weeks were examined. 2. Rings of control rabbit thoracic aorta with or without endothelium were mounted at 2 g tension in 10 mL organ baths and w...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sobey CG,Hart JL,Woodman OL

更新日期：1994-02-01 00:00:00

abstract：:1. Left ventricular (LV) hypertrophy has been implicated in the reduction of baroreflex sensitivity present in hypertension. The aim of the current study was to investigate the mean arterial pressure-heart rate reflex (MAP-HR) in a model which induced left ventricular hypertrophy but no sustained blood pressure elevat...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kingwell BA,Krause L,Julius S

更新日期：1994-01-01 00:00:00

abstract：:1. Parathyroidectomy (PTX) lessens the development of hypertension in young spontaneously hypertensive rats (SHR) and the involved mechanisms remain to be elucidated. We have studied here the aortic vascular reactivity to both norepinephrine (NE) and acetylcholine in 10 week old male PTX SHR and Wistar-Kyoto (WKY) rat...

journal_title：Clinical and experimental pharmacology & physiology

authors： Boulebda N,Van Overloop B,Gairard A

更新日期：1993-12-01 00:00:00

abstract：:1. The hypothesis that adrenocorticotrophin (ACTH)-induced hypertension is a consequence of steroid-induced hyperinsulinaemia was tested using the somatostatin analogue (sandostatin, octreotide) to inhibit insulin release in Sprague-Dawley (SD) rats (n = 41). 2. Octreotide (20 micrograms, twice daily) did not modify b...

journal_title：Clinical and experimental pharmacology & physiology

authors： Li M,Wong KS,Whitworth JA

更新日期：1993-10-01 00:00:00

abstract：:1. This study aimed to characterize the effect of nicorandil (NC) on myocardial stunning and the role of ATP-sensitive K+ (KATP) channel opening property in its cardioprotective action. 2. In open-chest anaesthetized rabbits, myocardial stunning was induced by 10 min of coronary occlusion followed by 30 min of reperfu...

journal_title：Clinical and experimental pharmacology & physiology

authors： Iwamoto T,Miura T,Urabe K,Itoya M,Shimamoto K,Iimura O

更新日期：1993-09-01 00:00:00

abstract：:1. To characterize the anti-arrhythmic properties of a new calcium antagonist, monatepil [corrected], AJ-2615, the preventive effects of AJ-2615 were compared with those of the existing calcium antagonists, diltiazem and verapamil, in experimental models of arrhythmia. 2. AJ-2615 (0.1-3.0 mg/kg, i.v.) suppressed ventr...

journal_title：Clinical and experimental pharmacology & physiology

authors： Yamamoto T,Hosoki K,Karasawa T

更新日期：1993-07-01 00:00:00

abstract：:1. Renin is highly expressed in submandibular gland (SMG) of mouse, which has two genes, Ren-1d and Ren-2d, but not at all in rat SMG. Differences in nuclear protein binding to renin promoter DNA were, therefore, explored. 2. Rat -169 to +23 renin DNA formed complexes with both mouse and rat extract, whereas a corresp...

journal_title：Clinical and experimental pharmacology & physiology

authors： Loudon JA,Fukamizu A,Murakami K,Morris BJ

更新日期：1993-05-01 00:00:00

abstract：:1. The turnover rate of inositol(1,4,5)trisphosphate (Ins(1,4,5)P3) in noradrenaline-stimulated adult rat left atria was calculated from changes in specific activity and was found to equal 110 ct/min per mg tissue. In contrast, the isomers of inositol mono- and bisphosphates accumulated at a rate of 508 ct/min per mg....

journal_title：Clinical and experimental pharmacology & physiology

authors： Anderson KE,Myers D,Woodcock EA

更新日期：1993-05-01 00:00:00

abstract：:1. Infusion of increasing doses of angiotensin II (AII) in normal subjects sequentially increased blood pressure, aldosterone and atrial natriuretic peptide (ANP) levels. 2. The slope of ANP response to AII was positively correlated with basal ANP and with the slope of blood pressure response to AII (pressor slope) bu...

journal_title：Clinical and experimental pharmacology & physiology

authors： Finn WL,Tunny TJ,Klemm SA,Ryan SJ,Gordon RD

更新日期：1993-05-01 00:00:00

abstract：:1. This paper reports on the in vitro and in vivo characteristics of a non-peptide vasopressin V1 receptor antagonist 1-(1-[4-(3-acetylaminopropoxy)benzoyl]-4-piperidyl)-3,4-dihydro-2( 1H)- quinolinone (OPC-21268). 2. OPC-21268 caused a concentration-dependent displacement of the selective V1 receptor antagonist radio...

journal_title：Clinical and experimental pharmacology & physiology

authors： Burrell LM,Phillips PA,Stephenson J,Risvanis J,Hutchins AM,Johnston CI

更新日期：1993-05-01 00:00:00

abstract：:1. The effects of the Class I anti-arrhythmic drugs quinidine, procainamide, lidocaine, phenytoin and tocainide on mitochondrial lactate dehydrogenase activity were compared in guinea-pig heart preparations. 2. All the tested drugs inhibited the enzyme activity in a concentration-dependent fashion, exhibiting varying ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Dzimiri N,Almotrefi AA

更新日期：1993-04-01 00:00:00

abstract：:1. The effects of diphenylene iodonium (DPI), an inhibitor of reduced nicotinamide adenine dinucleotide phosphate-dependent oxidases (which generate superoxide anions), were studied on nitric oxide (NO)-mediated responses in isolated preparations of the rat aorta and anococcygeus muscle. 2. In aortic rings, the endoth...

journal_title：Clinical and experimental pharmacology & physiology

authors： Rand MJ,Li CG

更新日期：1993-03-01 00:00:00