abstract：:1. Nitric oxide (NO) plays an important role in the control of glomerular haemodynamics and is synthesized from the amino acid L-arginine by a family of enzymes, NO synthase (NOS). 2. Nitric oxide synthase is present in the endothelium and also in the macula densa, a plaque of specialized tubular epithelial cells. End...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ito S,Carretero OA,Abe K

更新日期：1997-08-01 00:00:00

abstract：:1. At any one instant, most receptors are now recognized to be able to stimulate multiple signal transduction pathways in a cell when activated by an appropriate hormone. These different signalling pathways appear to allow for distinct cellular responses, such as cell proliferation, differentiation, and shape change. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Crouch MF,Frew IJ,Simson L,Davy DA

更新日期：1997-08-01 00:00:00

abstract：:1. The recognition of the role of insulin resistance in disease states and the recent development of new drugs that modify insulin-dependent metabolism has led to increased use of the euglycaemic hyperinsulinaemic clamp to measure in vivo insulin sensitivity, but several key aspects of the technique are poorly documen...

journal_title：Clinical and experimental pharmacology & physiology

authors： Morris AD,Ueda S,Petrie JR,Connell JM,Elliott HL,Donnelly R

更新日期：1997-07-01 00:00:00

abstract：:1. In cats anaesthetized with alpha-chloralose, electrical stimulation (ES) of the trigeminal ganglion produced a fall in blood pressure, a predominantly ipsilateral dilatation in the common carotid vascular bed and bilateral dilatation of the middle meningeal vascular bed. Section of the trigeminal root abolished the...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lambert GA,Michalicek J,Regaglia F

更新日期：1997-06-01 00:00:00

abstract：:1. To determine whether endogenous oestrogen plays a role in pregnancy induced decreased vascular reactivity we have examined the effects of 17 beta-oestradiol on vasoconstrictor responses to various stimuli using an in situ blood-perfused mesenteric vascular preparation in Wistar-Kyoto (WKY) rats. 2. Daily administra...

journal_title：Clinical and experimental pharmacology & physiology

authors： Chu ZM,Beilin LJ

更新日期：1997-06-01 00:00:00

abstract：:1. Treatment with angiotensin-converting enzyme (ACE) inhibitors slows the rate of progression of nephropathy in the spontaneously hypertensive rat (SHR) with streptozotocin-induced diabetes. Paradoxically, however, chronic ACE inhibitor therapy has been reported to be associated with induction of ACE in the plasma. W...

journal_title：Clinical and experimental pharmacology & physiology

authors： Hodge G,Makarious MM,Charlesworth JA,Duggan KA

更新日期：1997-06-01 00:00:00

abstract：:1. We investigated the effect of exercise on plasma adrenomedullin, atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) concentrations and studied the relationship between these peptides and haemodynamic parameters in nine patients with old myocardial infarction (MI) and in eight normal subjects. 2. T...

journal_title：Clinical and experimental pharmacology & physiology

authors： Morimoto A,Nishikimi T,Takaki H,Okano Y,Matsuoka H,Takishita S,Kitamura K,Miyata A,Kangawa K,Matsuo H

更新日期：1997-05-01 00:00:00

abstract：:1. The present study aimed to determine the feasibility of conducting a 5 year cardiovascular outcome trial of the treatment of 6000 elderly hypertensive patients in Australian general practices. 2. General practitioners (GPs) were invited to participate by mail and personal follow-up. Patient records were reviewed to...

journal_title：Clinical and experimental pharmacology & physiology

authors： Reid CM,Nelson M,Beckinsale P,Ryan P,Wing LM,Beilin LJ,Brown MA,Jennings GL,Johnston CI,Marley J,McNeil JJ,Morgan TO,Shaw J,Steven ID,West MJ

更新日期：1997-05-01 00:00:00

abstract：:1. It has been proposed that hypertension alters the respiratory and cardiovascular responses to chemoreceptor stimulation. However, in studies of human hypertension or in genetic animal models of hypertension it has been difficult to unequivocally attribute the changes to hypertension per se, rather than to a genetic...

journal_title：Clinical and experimental pharmacology & physiology

authors： Groom AS,Malpas SC

更新日期：1997-03-01 00:00:00

abstract：:1. Atherosclerosis begins with the deposition of cholesterol in arterial tissue that is thought to be derived from circulating lipoproteins. There is considerable evidence implicating low density lipoprotein (LDL) as a primary source of plaque cholesterol and, consequently, there are many articles that deal with vario...

journal_title：Clinical and experimental pharmacology & physiology

authors： Mamo JC,Yu KC,Elsegood CL,Smith D,Vine D,Gennat HC,Voevodin M,Proctor SD

更新日期：1997-03-01 00:00:00

abstract：:1. Neuropeptide Y (NPY) is colocalized with catecholamines in central regions involved in blood pressure regulation and exerts depressor responses in the nucleus tractus solitarius (NTS). Ageing is accompanied by a decline in baroreflex function and a reduction in NPY concentrations in some brain areas. The present st...

journal_title：Clinical and experimental pharmacology & physiology

authors： Morris MJ,Pavia JM

更新日期：1997-02-01 00:00:00

abstract：:1. To investigate whether the difference in the SA gene expression in the kidneys is causally related to the pathogenesis of hypertension, we reassessed the expression of the SA gene in the kidneys of the spontaneously hypertensive rat (SHR), its stroke-prone substrain (SHRSP) and Wistar-Kyoto (WKY) rat from different...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ishinaga Y,Nabika T,Shimada T,Hiraoka J,Nara Y,Yamori Y

更新日期：1997-01-01 00:00:00

abstract：:1. Arterial baroreceptor denervation produces acute hypertension, but chronically denervated animals have an average arterial pressure that is similar to that of baroreceptor intact animals. 2. Although cardiopulmonary baroreceptors and renal compensations have been suggested to mediate the restoration of a normal ave...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sved AF,Schreihofer AM,Kost CK Jr

更新日期：1997-01-01 00:00:00

abstract：:1. Trophoblast invasion during embryo implantation in some aspects resembles tumour cell invasion but, unlike tumour cells, trophoblast cells are able to differentiate and establish a placenta. Because direct cell-cell communication is believed to be involved in growth control and differentiation, we have investigated...

journal_title：Clinical and experimental pharmacology & physiology

authors： Winterhager E,Reuss B,Hellmann P,Spray DC,Gruemmer R

更新日期：1996-12-01 00:00:00

abstract：:1. During the destruction of articular cartilage, fibrinolytic enzymes and matrix metalloproteinases (MMP) may contribute to the related pathology. The activities, antigens and messenger RNA (mRNA) levels of urokinase-type plasminogen activator (uPA) and plasminogen activator inhibitor-1 (PAI-1) in articular cartilage...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kikuchi H,Shimada W,Nonaka T,Ueshima S,Tanaka S

更新日期：1996-10-01 00:00:00

abstract：:1. Direct cortical stimulation of motor and sensory areas of the cortex in experimental animals and some neurosurgical patients has provided much useful physiological information. Some of the benefits of this approach can be provided in awake volunteer subjects using new techniques which activate the motor cortex thor...

journal_title：Clinical and experimental pharmacology & physiology

authors： Gandevia SC

更新日期：1996-10-01 00:00:00

abstract：:1. Irinotecan (also known as CPT-11) is a water soluble, semi-synthetic analogue of 20(S)camptothecin (CPT) with promising activity against a range of tumour types. 2. As with all other active analogues of CPT, irinotecan causes cell toxicity by stabilizing a ternary complex between the nuclear enzyme topoisomerase I ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Rivory LP

更新日期：1996-10-01 00:00:00

abstract：:1. In a number of species, high concentrations of angiotensin II (AngII) receptors have been found in the rostral ventrolateral medulla (RVLM) in the hindbrain, which is an important region involved in the modulation of sympathetic vasomotor tone. The present review describes studies in which the contribution of angio...

journal_title：Clinical and experimental pharmacology & physiology

authors： Head GA

更新日期：1996-09-01 00:00:00

abstract：:1. We have studied the role of kallikrein (KK) in the maintenance of renal function in chronic hypoxic rats (high altitude; HA), compared with control rats kept at sea level (SL). Hypoxia was induced by placing female Wistar rats (198-290 g) in an altitude chamber (5500 m) 15 h/day for 4 weeks. Experiments were also c...

journal_title：Clinical and experimental pharmacology & physiology

authors： Chen CF,Chen LW,Chien CT,Wu MS,Tsai TJ

更新日期：1996-09-01 00:00:00

abstract：:1. Positive inotropic effect of taurine and improvement of cardiac performance of failing heart are mediated through the modulation of Ca2+ movement through the sarcolemma. 2. Cardioprotection with glutamate and aspartate is related to enhanced anaerobic energy formation in mitochondria coupled with succinate formatio...

journal_title：Clinical and experimental pharmacology & physiology

authors： Pisarenko OI

更新日期：1996-08-01 00:00:00

abstract：:1. Renin gene expression was investigated in kidneys from 13 foetal and four adult sheep. 2. The levels of renal renin mRNA in foetuses were greater than those in adult sheep (P < 0.001). 3. There was no significant difference in renin mRNA levels between foetuses aged 91 and 134 days (term 150 days). 4. The levels of...

journal_title：Clinical and experimental pharmacology & physiology

authors： Zhang DY,Lumbers ER,Simonetta G

更新日期：1996-08-01 00:00:00

abstract：:1. The effects of DL-tetrahydropalmatine (DL-THP) on cardio-vascular function and hypothalamic release of monoamines were assessed in rats under urethane anaesthesia. 2. Intravenous administration of DL-THP (1-10 mg/kg) produced hypotension, bradycardia, a decrease in hypothalamic serotonin and noradrenaline release a...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lin MT,Chueh FY,Hsieh MT,Chen CF

更新日期：1996-08-01 00:00:00

abstract：:1. Most studies examining the effect of angiotensin-converting enzyme (ACE) inhibitors on atherosclerosis in experimental animals have used doses well in excess of those given clinically. 2. Using a rabbit model of cholesterol-induced atherosclerosis characterized by subendothelial lipid accumulations ('juvenile fatty...

journal_title：Clinical and experimental pharmacology & physiology

authors： Fennessy PA,Campbell JH,Mendelsohn FA,Campbell GR

更新日期：1996-08-01 00:00:00

abstract：:1. The influence of the passive force on the contraction and endothelium-dependent relaxation in aortae of normotensive Wistar Kyoto (WKY) rats and stroke-prone spontaneously hypertensive rats (SHRSP) were compared. 2. Force changes of endothelium-intact and -removed preparations were measured isometrically by a force...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sekiguchi F,Adachi T,Matsubara H,Matsuda K,Kita K,Shimamura K,Sunano S

更新日期：1996-06-01 00:00:00

abstract：:1. Animal and human studies indicate that female sex hormones are protective against the development of coronary atherosclerosis. 2. Experiments on vascular smooth muscle cells suggest a direct effect of oestrogen on vascular tissue. Although oestrogen receptors (ER) in vascular tissues and an association between ER s...

journal_title：Clinical and experimental pharmacology & physiology

authors： Baysal K,Losordo DW

更新日期：1996-06-01 00:00:00

abstract：:1. We set out to investigate whether the administration of naloxone alone, naloxone plus vasopressin (AVP) or naloxone plus alprazolam to patients with Cushing's syndrome would result in a blunted dynamic response of the pituitary-adrenal axis compared with normal volunteers. Cushing's syndrome is often difficult to d...

journal_title：Clinical and experimental pharmacology & physiology

authors： Jackson RV,Hockings GI,Torpy DJ,Grice JE,Crosbie GV,Walters MM,Strakosch CR

更新日期：1996-06-01 00:00:00

abstract：:1. Treatment with angiotensin converting enzyme (ACE) inhibitors ameliorates human and experimental diabetic nephropathy, possibly as a result of changes in angiotensin II (AngII) and/or bradykinin concentrations. However, ACE is an indiscriminate enzyme, which hydrolyses numerous vasoactive peptides at two catalytic ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Duggan KA,Hodge G,Makarious MM,Charlesworth JA

更新日期：1996-06-01 00:00:00

abstract：:1. Endogenous polyamines play a key role in mediating cellular growth and differentiation. Hypertension is associated with structural modifications of the circulatory system, a process that may be facilitated by polyamines. In this study, we examined whether there are elevated polyamine concentrations in the cardiovas...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ibrahim J,Hughes AD,Schachter M,Sever PS

更新日期：1996-05-01 00:00:00

abstract：:1. Endothelin mediates its effects in a variety of renal cells via a multiplicity of intracellular signalling pathways. 2. Stimulation of phosphatidylinositol-specific phospholipase C (PI-PLC), resulting in the activation of inositol trisphosphate and diacylglycerol, can be detected even at picomolar concentrations of...

journal_title：Clinical and experimental pharmacology & physiology

authors： Nord EP

更新日期：1996-04-01 00:00:00

abstract：:1. Aqueous celery extract was administered intraperitoneally to genetically hypercholesterolaemic (RICO) and normocholesterolaemic (RAIF) rats via Alzet osmotic pumps over a 13 day period. 2. The serum cholesterol concentration of the celery extract-treated RICO rats was found to be significantly lower (P < 0.05) than...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tsi D,Tan BK

更新日期：1996-03-01 00:00:00

abstract：:1. Calcified arteriosclerotic lesions have been recognized early in life as abnormalities in coronary arteries. 2. We examined coronary arterial plaques as an undecalcified tissue and revealed widespread mineralization within the plaque. Non-collagenous proteins that regulate calcification, such as osteopontin, have b...

journal_title：Clinical and experimental pharmacology & physiology

authors： Fitzpatrick LA

更新日期：1996-03-01 00:00:00

abstract：:1. The angiotensin type 1 (AT1) receptor antagonist, losartan (10 mg/kg) was infused intravenously into nine chronically catheterized fetal sheep (125-132 days gestation). Losartan reduced the fetal systolic (P <0.01) and diastolic (P <0.01) pressor response to 5 microg angiotensin II (AngII) i.v. from 27.4 +/- 1.5 to...

journal_title：Clinical and experimental pharmacology & physiology

authors： Stevenson KM,Gibson KJ,Lumbers ER

更新日期：1996-02-01 00:00:00

abstract：:1. Cardiovascular and body fluid homeostasis depends upon the activation and co-ordination of reflexes and behavioural responses. In order to accomplish this, the brain receives and processes both neural and chemical input. Once in the brain, information from sources signalling the status of the cardiovascular system ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Johnson AK,Cunningham JT,Thunhorst RL

更新日期：1996-02-01 00:00:00

abstract：:1. Endothelium-derived nitric oxide (NO), a major modulator of vascular tone, is synthesized from the terminal guanidino nitrogen of L-arginine. This reaction is inhibited by analogues of L-arginine, such as N-nitro-L-arginine methyl ester (L-NAME). Many of the biological effects of NO are mediated by the second messe...

journal_title：Clinical and experimental pharmacology & physiology

authors： Boger RH,Bode-Boger SM,Gerecke U,Gutzki FM,Tsikas D,Frolich JC

更新日期：1996-01-01 00:00:00

abstract：:1. Contraction assays and patch clamp methods were used to determine the role of K+ channels in the regulation of contractile tone of human mesangial cells (MC) in culture. 2. MC contraction was induced by vasoconstrictor agents, such as angiotensin II (AngII; 100 nmol/L) and glybenclamide (Glyb), but not by iberiotox...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sansom SC,Stockand JD

更新日期：1996-01-01 00:00:00

abstract：:1. Over the past 50 years considerable evidence has been reported suggesting that endogenous opioids participate in the control of renal function. 2. Exogenous administration of opioids produces profound changes in the renal excretion of water and sodium. 3. Opioids produce changes in urine output and urine sodium exc...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kapusta DR

更新日期：1995-12-01 00:00:00

abstract：:1. There are hundreds of commercially available microcomputer statistics packages, ranging from the very cheap and elementary to the very expensive and complex, and from the very general to the very specialized. This review covers only those that appear to be popular with biomedical investigators who deal with fairly ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ludbrook J

更新日期：1995-12-01 00:00:00

abstract：:1. Levodopa markedly reduces parkinsonism during the first years of treatment. However, with continued therapy the response to levodopa becomes erratic and is complicated by involuntary movements. To improve the therapy of parkinsonism, the challenge is to understand why fluctuations in response develop and, once deve...

journal_title：Clinical and experimental pharmacology & physiology

authors： Nutt JG

更新日期：1995-11-01 00:00:00

abstract：:1. Hypoxia arises in solid tumour because of inefficient blood supply. While hypoxic cells are resistant to radiotherapy and probably to many chemotherapeutic drugs they can, in principle, be turned to advantage through the development of hypoxia-activated cytotoxic drugs (bioreductive drugs). 2. Three general approac...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wilson WR,Pruijn FB

更新日期：1995-11-01 00:00:00

abstract：:1. This study was designed to elucidate the effects of guar gum, a dietary fibre, on changes in prostanoid contents induced by 1,2-dimethylhydrazine, a carcinogenic agent, in rat colonic mucosa. 2. Prostanoid contents were determined using high performance liquid chromatography; five prostanoids, namely 6-keto-prostag...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kanamori S,Sugiyama S,Goto H,Hayakawa T,Shimomura Y,Ozawa T

更新日期：1995-10-01 00:00:00