Mechanisms of lidocaine actions on normal and abnormal rhythms in canine cardiac tissues in vivo and in vitro.

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：: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. There is evidence that different aetiologies of heart failure, especially ischaemic vs dilated cardiomyopathy (ICM and DCM, respectively), may influence the prognosis of patients with this disease. Patients with ICM have a worse prognosis than those with DCM; the mechanisms underlying this difference have not yet b...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lee S,Lu R,Müller-Ehmsen J,Schwinger RH,Brixius K

更新日期：2010-12-01 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. It is known that the alpha(4)-subunit is likely to occur in the brain predominantly in alpha(4)beta(3)delta receptors at extrasynaptic sites. Recent studies have revealed that the alpha(1)-, alpha(4)-, gamma(2)- and delta-subunits may colocalize extrasynaptically in dentate granule cells of the hippocampus. In the ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wang MD,Rahman M,Johansson IM,Bäckström T

更新日期：2010-07-01 00:00:00

abstract：:1. Intermittent bursts of activity are a robust feature of the discharges of sympathetic nerves. There are at least two major mechanisms producing such discharges: (i) phasic inputs influencing sympathetic circuits; and (ii) oscillators embedded within sympathetic networks. The functional significance of patterned and...

journal_title：Clinical and experimental pharmacology & physiology

authors： Gilbey MP

更新日期：2001-01-01 00:00:00

abstract：:1. Two patients with angiotensin-responsive aldosterone-producing adenoma (APA) and one with adrenal cortical carcinoma demonstrated autonomous secretion of cortisol as well as of aldosterone. 2. The response of cortisol and of aldosterone to ACTH did not differentiate between the two APA which secreted cortisol and t...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tunny TJ,Klemm SA,Gordon RD

更新日期：1990-03-01 00:00:00

abstract：:1. Investigations of the role of cAMP in the stimulation of the steroidogenesis of zona glomerulosa (ZG) cells by increased extracellular K+ concentration are reviewed. 2. Possible reasons for discrepancies in the results of different investigators on whether K+ increases the cAMP content or output of ZG tissue or dis...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tait JF,Tait SA

更新日期：1999-12-01 00:00:00

abstract：:Nitric oxide is a potent anti-apoptotic and cardioprotective molecule in healthy animals. However, recent study demonstrates that overexpression of eNOS exacerbates the liver injury in diabetic animals. whether diabetes may also alter NO's biologic activity in ischaemic/reperfused heart remains unknown. The present ex...

journal_title：Clinical and experimental pharmacology & physiology

authors： Liu Y,Xia C,Wang R,Zhang J,Yin T,Ma Y,Tao L

更新日期：2017-08-01 00:00:00

abstract：:1. Adult soft-shelled turtles were exposed to hyperosmotic and dehydration stresses. 2. Acute treatment for 0.5, 1 or 2 h with sodium chloride (3.6%, single intramuscular injection, 2 mL volume) caused depletion of pineal serotonin contents followed by elevation of norepinephrine and epinephrine levels. In addition, i...

journal_title：Clinical and experimental pharmacology & physiology

authors： Mahapatra MS,Mahata SK,Maiti B

更新日期：1991-10-01 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：:Accumulating reports have demonstrated that long non-coding RNAs (lncRNAs) play critical roles in the occurrence and metastasis of cholangiocarcinoma (CCA). LncRNA myocardial infarction associated transcript (MIAT) has been widely reported in hepatocellular carcinoma, pancreatic cancer and colorectal cancer, but the r...

journal_title：Clinical and experimental pharmacology & physiology

authors： Chang W,Wang Y,Li W,Geng Z

更新日期：2020-06-01 00:00:00

abstract：:Ischaemia reperfusion (I/R) is associated with liver injury and impaired regeneration during partial hepatectomy (PH). The aim of this study was to investigate the effect of thymoquinone (TQ), the active compound of essential oil obtained from Nigella sativa seeds, on rat liver after PH. Male Wistar rats were divided ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Bouhlel A,Bejaoui M,Ben Mosbah I,Hadj Abdallah N,Ribault C,Viel R,Hentati H,Corlu A,Ben Abdennebi H

更新日期：2018-05-07 00:00:00

abstract：:1. Cardiovascular events and outcome in septic shock may be predicted by monitoring the fall in intramural pH (pHi), as an index of splanchnic perfusion and mucosal ischaemia. In the present study, a small animal model for monitoring the changes of gastric pHi or intramucosal [H+] following challenge with the endotoxi...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lamarque D,Whittle BJ

更新日期：2001-03-01 00:00:00

abstract：:1. To elucidate the physiological role of nitric oxide (NO) in regulating vascular tone, the effects of NG-nitro-L-arginine methyl ester (L-NAME), an NO synthase inhibitor, on the vasoconstrictor response to noradrenaline (NA) in rat caudal artery was examined. 2. NG-Nitro-L-arginine methyl ester significantly potenti...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kwon YM,Shinozuka K,Kagota S,Yamaguchi Y,Nakamura K,Kunitomo M

更新日期：1999-05-01 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. 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. 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. In order to find an anaesthesia with minimum perturbation to the metabolism of chylomicrons, the effects of seven different anaesthetic agents on clearance from plasma of chylomicron-like emulsions were compared. 2. Avertin, urethane, fentanyl, and a ketamine/xylazine mixture all slowed the removal from plasma of e...

journal_title：Clinical and experimental pharmacology & physiology

authors： Mortimer BC,Umeda Y,Elsegood CL,Redgrave TG

更新日期：1993-01-01 00:00:00

abstract：:The aim of this study was to determine whether the kaliuresis associated with glucocorticoids is due to a direct tubular action or is secondary to effects of glucocorticoids on distal tubule flow. A whole kidney technique was used to avoid the problem, inherent in microperfusion and micropuncture studies, of deciding ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Adam WR,Adams BA,Ellis AG

更新日期：1987-01-01 00:00:00

abstract：:Alpha-pinene (α-pinene) is an organic compound, found in the oils of many species of coniferous trees, especially pine. α-Pinene reportedly has antioxidant and anti-inflammatory activities; however, its effects on osteoblasts are unknown. This study investigated the effects of α-pinene on osteoblast differentiation an...

journal_title：Clinical and experimental pharmacology & physiology

authors： Min HY,Son HE,Jang WG

更新日期：2020-05-01 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：:The currently available chemotherapeutic regimens against gastric cancer are not very effective, leading to high recurrence and poor survival. Resveratrol is a naturally occurring polyphenol with potent apoptosis-inducing activity. However, the mechanism underlying its actions remains unknown. In the present study, hu...

journal_title：Clinical and experimental pharmacology & physiology

authors： Wang Z,Li W,Meng X,Jia B

更新日期：2012-03-01 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. The endogenous production of and/or the bioavailability of nitric oxide (NO) is decreased in pulmonary hypertensive diseases. L-arginine (L-arg) is the substrate for NO synthase (NOS). L-arg is transported into cells via the cationic amino acid transporters (CAT), of which there are two isoforms in endothelial cell...

journal_title：Clinical and experimental pharmacology & physiology

authors： Cui H,Chen B,Chicoine LG,Nelin LD

更新日期：2011-12-01 00:00:00

abstract：:1. Pharmacological compounds that release nitric oxide (NO) have been useful tools in the evaluation of the broad role of NO in physiopathology and therapeutics. The present study compared the pharmacokinetics and pharmacodynamics of enalapril and an NO-releasing enalapril molecule (NCX899) in conscious male beagles. ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Okuyama CE,Mendes GD,Faro R,Rezende VM,Lagos RM,Astigarraga RE,Antunes E,De Nucci G

更新日期：2007-04-01 00:00:00

abstract：:Contrast media are considered to cause acute kidney injury by activating various factors that induce renal vasoconstriction. We analysed the renal microvascular haemodynamic response using the Doppler flow wire method. Then changes in urinary liver-type fatty acid-binding protein levels following contrast medium admin...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kurihara O,Seino Y,Shibata Y,Matsushita M,Komiyama H,Kato K,Murakami D,Munakata R,Takano M,Miyauchi Y,Hata N,Shimizu W

更新日期：2016-11-01 00:00:00

abstract：:According to Guyton's model, impaired renal sodium excretion plays a key role in the increased salt sensitivity of blood pressure (BP). Several factors contribute to impaired renal sodium excretion, including the sympathetic nervous system, the renin-angiotensin system and aldosterone. Accumulating evidence suggests t...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kawarazaki W,Fujita T

更新日期：2013-12-01 00:00:00

abstract：:1. In order to explore the mechanisms responsible for the hypernoradrenergic innervation of the vasculature in the spontaneously hypertensive rat (SHR) the tissue content of nerve growth factor messenger ribonucleic acid (NGFmRNA) was examined. 2. The concentration of NGFmRNA was markedly elevated in mesenteric veins ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Falckh PH,Harkin LA,Head RJ

更新日期：1992-08-01 00:00:00

abstract：:1. The aim of the present study was to examine the role of dopaminergic and glutamatergic receptors on different stages of the amphetamine (AMPH) sensitized effect in schedule-induced polydipsia (SIP) in rats. 2. Three experiments were designed to evaluate the roles of DAD2 receptor antagonist haloperidol (HAL) and gl...

journal_title：Clinical and experimental pharmacology & physiology

authors： Liu YP,Tung CS,Lin PJ,Wan FJ

更新日期：2010-09-01 00:00:00