Effect of tetramethylpyrazine on potassium channels to lower calcium concentration in cultured aortic smooth muscle cells.

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：:This study explored the effects and mechanisms of dopamine D1 receptors (DR1) activation on the apoptosis of osteosarcoma cells (OS732).The DR1 agonist SKF-38393 decreased the viability of OS732 cells and increased their rate of apoptosis, whereas the DR1 antagonist SCH-23390 abolished the effects of SKF-38393. In OS7...

journal_title：Clinical and experimental pharmacology & physiology

authors： Gao J,Gao F

更新日期：2017-11-01 00:00:00

abstract：:Mutations of αB-crystallin (CryαB), a small heat shock protein abundantly expressed in cardiac and skeletal muscles, are known to cause desmin-related myopathies. The CryαB R120G allele has been linked to a familial desminopathy and, in transgenic mice, causes a sudden death at about 28 weeks of age. To investigate th...

journal_title：Clinical and experimental pharmacology & physiology

authors： Jiao Q,Sanbe A,Zhang X,Liu JP,Minamisawa S

更新日期：2014-08-01 00:00:00

abstract：:1. Activation of bulbospinal neurons projecting from the C1 area of the rostral ventrolateral medulla evokes a pressor response. The nature of the neurotransmitters involved in mediating this response at spinal cord level has not been established. 2. Amino acid antagonists were introduced into the spinal subarachnoid ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Mills EH,Minson JB,Pilowsky PM,Chalmers JP

更新日期：1988-02-01 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：:1. Combined treatment of spontaneously hypertensive rats (SHR) with AT1 receptor antagonists and angiotensin-converting enzyme (ACE) inhibitors has been shown to reduce mean arterial pressure (MAP) more than monotherapy with either agent. The aims of the present study were to investigate the effects of chronic dual re...

journal_title：Clinical and experimental pharmacology & physiology

authors： Duke LM,Paull JR,Widdop RE

更新日期：2003-05-01 00:00:00

abstract：:1. Anastomosis (vasovasostomy) of epididymal and prostatic halves of vasa deferentia was carried out in rats in which unilateral or bilateral medial transection (vasectomy) had been performed 4 weeks previously. 2. Noradrenaline levels in epididymal halves of vasa deferentia, 8 weeks after anastomosis with prostatic h...

journal_title：Clinical and experimental pharmacology & physiology

authors： DeGaris RM,Pennefather JN

更新日期：1987-05-01 00:00:00

abstract：:1. The distribution of binding sites for [125I]-labelled endothelin-1 ([125I]-ET-1) and [125I]-labelled sarafotoxin S6B ([125I]-SRT) was visualized in rat tissues using in vitro autoradiography. 2. A high density of endothelin-1 (ET-1) binding was found in the heart. In the kidney, ET-1 binding occurred in association...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kohzuki M,Johnston CI,Abe K,Chai SY,Casley DJ,Yasujima M,Yoshinaga K,Mendelsohn FA

更新日期：1991-07-01 00:00:00

abstract：:1. We tested the effects of intravenous infusions of angiotensin II (AngII; 300 ng/kg per min) and the vasopressin V1 receptor agonist [Phe2,Ile3,Orn8]-vasopressin (30 ng/kg per min) on regional kidney perfusion in an extracorporeal circuit model in anaesthetized rabbits in which renal artery pressure (RAP) can be set...

journal_title：Clinical and experimental pharmacology & physiology

authors： Evans RG,Correia AG,Weekes SR,Madden AC

更新日期：2000-12-01 00:00:00

abstract：:Agmatine, an endogenous ligand of imidazoline receptors, is reported to exhibit anti-hyperglycaemic and many other effects. It has been established that the imidazoline I3 receptor is involved in insulin secretion. The current study characterizes the role of the imidazoline I3 receptor in the protection of pancreatic ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Li Y,Cheng KC,Asakawa A,Amitani H,Takimoto Y,Runtuwene J,Inui A

更新日期：2015-09-01 00:00:00

abstract：:1. The aim of the present study was to investigate the structural requirements for the inhibition of 6-methyl-hydroxylation of the antitumour agent 5,6-dimethyl-xanthenone-4-acetic acid (DMXAA) by acridine analogues and use a CYP1A2 homology model to provide some insight into this interaction. 2. Concentrations causin...

journal_title：Clinical and experimental pharmacology & physiology

authors： Paxton JW,Kestell P,Chiang D,Zhou S,Lewis DF

更新日期：2005-08-01 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. NBPA is a derivative of 3-n-butylpathalide isolated from Apium granolens Linn. 2. At concentrations ranging from 6 x 10(-6) to 10(-6) mol/L, NBPA inhibited the L-type calcium current in guinea-pig myocardial cells and cultured human neuroblastoma cells. 3. At 10(-6) mol/L, NBPA markedly inhibited calcium-dependent ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Zhang J,Peng X,Wei G,Su D

更新日期：1999-10-01 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：:Hypoxia-inducible factor-1 alpha (HIF-1α) and nuclear receptor related-1 (Nurr1) play pivotal roles in the development and survival of dopaminergic neurons, and deficiencies in these genes may be involved in Parkinson's disease (PD) pathogenesis. Recently, anthelminthic benzimidazoles were shown to promote HIF-1α tran...

journal_title：Clinical and experimental pharmacology & physiology

authors： Kandil EA,Sayed RH,Ahmed LA,Abd El Fattah MA,El-Sayeh BM

更新日期：2019-12-01 00:00:00

abstract：:A high-salt diet in rats has been shown to result in enhanced vasoconstrictor and/or reduced vasodilator responses of isolated arteries to agonists. The present experiments were designed to investigate the effects of dietary salt on the responses of the pressurized mesenteric resistance artery of the dog to constricto...

journal_title：Clinical and experimental pharmacology & physiology

authors： Sofola O,Knill A,Myers D,Hainsworth R,Drinkhill M

更新日期：2004-10-01 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：: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. The choice of initial pharmacological therapy is one area where the different hypertension management guidelines vary in recommending either the use of diuretics and beta-blockers as preferred drugs or choosing from any of the five major classes of antihypertensives. 2. Improvement in cardiovascular morbidity and m...

journal_title：Clinical and experimental pharmacology & physiology

authors： Tomlinson B

更新日期：1997-12-01 00:00:00

abstract：:1. Oestrogen reduces vascular smooth muscle cell proliferation in mouse vascular injury models. Data on the antiproliferative effect of oestrogen in cultured vascular smooth muscle cells (VSMC) are less conclusive than those obtained in whole animal studies. 2. In the present study, we investigated the hypothesis that...

journal_title：Clinical and experimental pharmacology & physiology

authors： Odenlund M,Ekblad E,Nilsson BO

更新日期：2008-03-01 00:00:00

abstract：:1. To determine whether total interruption of the local cardiac renin-angiotensin system by angiotensin II (AngII) receptor antagonist limits myocardial ischaemia, intracoronary (i.c.) or intravenous (i.v.) infusion of AngII receptor antagonists was compared in ischaemic dogs. 2. Dogs subjected to 90 min coronary arte...

journal_title：Clinical and experimental pharmacology & physiology

authors： So T,Nakashima Y,Imamura M,Arakawa K

更新日期：1998-07-01 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：:Cannabinoid inverse agonists possess antidepressant-like properties, but the mechanism of this action is unknown. Numerous studies have reported the interaction between opioid and cannabinoid pathways. In this study, acute foot-shock stress was used in mice to investigate the involvement of the opioid pathway in the a...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ostadhadi S,Haj-Mirzaian A,Nikoui V,Kordjazy N,Dehpour AR

更新日期：2016-02-01 00:00:00

abstract：:1. The concentrations of gamma-amino butyric acid (GABA) and glutamate were measured in the brains of chickens which were treated with furazolidone (FZ) or nitrofurazone (NF) at oral doses of 12.5, 25 or 50 mg/kg for 5 days. 2. At the end of the treatment, the birds lost about 9% of their bodyweight when on the small ...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ali BH

更新日期：1989-05-01 00:00:00

abstract：:1. Free radical-induced lipid peroxidation and changes in protein and nucleic acid structures can result in various human ailments, including ageing, neurodegenerative disorders and cancer. High body fat or dietary fat further enhances the free radical-mediated pathogenesis of various diseases. 2. In the present study...

journal_title：Clinical and experimental pharmacology & physiology

authors： Ajith TA,Riji T,Anu V

更新日期：2008-05-01 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：:1. To understand the roles of a putative hypertension gene in the chromosome 1 quantitative trait locus (QTL) region, the response to restraint stress was studied in strains congenic for this QTL. 2. To establish congenic strains, the QTL region was introgressed from stroke-prone spontaneously hypertensive rats (SHRSP...

journal_title：Clinical and experimental pharmacology & physiology

authors： Cui ZH,Ikeda K,Kawakami K,Gonda T,Nabika T,Masuda J

更新日期：2003-07-01 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：: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：:Post-traumatic stress disorder (PTSD) has become a major disease that threatens human health. Neurotransmitters and the amygdala are found to be critical in the development and maintenance of PTSD. We aim to investigate the role of glycyrrhizin in treating PTSD. Contextual fear extinction and elevated plus maze test w...

journal_title：Clinical and experimental pharmacology & physiology

authors： Lai S,Shi L,Jiang Z,Lin Z

更新日期：2020-01-01 00:00:00