Characterization of the beta receptor responsible for enhanced histamine release from bovine leukocytes.

abstract：:Studies were conducted to determine whether Na-K ATPase or a second species of digitalis receptors in canine cardiac sarcolemma membrane preparations is associated with the positive inotropic action of nontoxic concentrations of ouabain. [3H]ouabain association and dissociation experiments using highly enriched sarcol...

journal_title：Canadian journal of physiology and pharmacology

authors： Kurobane I,Nandi DL,Okita GT

更新日期：1985-05-01 00:00:00

abstract：:Long-lasting ischemia can result in cell loss; however, repeated episodes of brief ischemia increase the resistance of the heart against deleterious effects of subsequent prolonged ischemic insult and promote cell survival. Traditionally, it is believed that the supply of blood to the ischemic heart is associated with...

journal_title：Canadian journal of physiology and pharmacology

authors： Adameova A,Hrdlicka J,Szobi A,Farkasova V,Kopaskova K,Murarikova M,Neckar J,Kolar F,Ravingerova T,Dhalla NS

更新日期：2017-10-01 00:00:00

abstract：:Intrinsic regulation of hepatic blood flow is mediated only through the hepatic artery because the liver is not able to directly regulate portal vein blood flow. Hepatic metabolic activity does not affect hepatic artery flow. Although the hepatic artery is affected by sympathetic nerves and blood-borne agents, the int...

journal_title：Canadian journal of physiology and pharmacology

authors： Lautt WW

更新日期：1996-03-01 00:00:00

abstract：:The role of nitric oxide (NO) on the vasorelaxant effect of atrial natriuretic peptide (ANP) on the basal tone of rabbit aortic rings conditioned to angiotensin II (Ang II) was studied. ANP aortic relaxation and nitrite release were measured in the presence and absence of endothelium and a NO-synthase inhibitor. Ang I...

journal_title：Canadian journal of physiology and pharmacology

authors： Romano L,Coviello A,Jerez S,Peral de Bruno M

更新日期：2002-10-01 00:00:00

abstract：:Phosphocreatine (PCr) and intracellular pH changes were monitored by 31P-NMR spectroscopy in isolated, arterially perfused cat biceps and soleus muscles, while the pH of the CO2-bicarbonate buffered perfusate was decreased from 7.1-7.4 to 6.4-6.7 by increasing the CO2 in the equilibrating gas from 5 to up to 70%. In b...

journal_title：Canadian journal of physiology and pharmacology

authors： Meyer RA,Adams GR,Fisher MJ,Dillon PF,Krisanda JM,Brown TR,Kushmerick MJ

更新日期：1991-02-01 00:00:00

abstract：:The measurement of the sodium reversal potential (Erev), as that potential where the early current reverses during voltage clamp, was found to exceed the true Erev by 4.1 +/- 2.4 mV (mean +/- SD) in squid giant axon. This error was found in both intact and internally perfused axons and is due to interference from the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Wodlinger H,Kunov H,Atwood HL

更新日期：1982-12-01 00:00:00

abstract：:In cultures of rat granulosa cells, luteinizing hormone-releasing hormone (LHRH) increases 32P incorporation into both phosphatidylinositol (PI) and phosphatidic acid (PA). After 20 min, the level of radioactivity was three- to four-fold (p less than 0.01) above control in the PI and PA fractions, respectively. The st...

journal_title：Canadian journal of physiology and pharmacology

authors： Minegishi T,Leung PC

更新日期：1985-04-01 00:00:00

abstract：:The binding of dantrolene to rabbit red blood cell (RBC) ghosts and bovine serum albumin as models of receptor sites was studied using fluorescence techniques. Dantrolene upon binding to rabbit RBC ghosts and bovine serum albumin showed fluorescence with emission maxima at 495 and 500 nm, respectively. Dantrolene boun...

journal_title：Canadian journal of physiology and pharmacology

authors： Dehpour AR,Mahmoudian M

更新日期：1982-10-01 00:00:00

abstract：:It has been reported that the intraportal infusion of glutamine in Munich-Wistar rats will cause depression of renal perfusion and the urinary excretion of salt and water. We have attempted to reproduce these findings in anaesthetized dogs. L-Glutamine was infused at doses between 120 and 150 mumol/min into the portal...

journal_title：Canadian journal of physiology and pharmacology

authors： Levy M

更新日期：1992-10-01 00:00:00

abstract：:Theanine and caffeine, 2 naturally occurring components in tea, have repeatedly been shown to deliver unique cognitive benefits when consumed in combination. In this study, we assessed the beneficial synergistic effects of concurrent treatment with theanine and caffeine against cerebral damage in rats. Theanine and ca...

journal_title：Canadian journal of physiology and pharmacology

authors： Sun L,Tian X,Gou L,Ling X,Wang L,Feng Y,Yin X,Liu Y

更新日期：2013-07-01 00:00:00

abstract：:Although mitochondrial transcription factor A (TFAM) is a protective component of mitochondrial DNA and a regulator of calcium and reactive oxygen species (ROS) production, the mechanism remains unclear. In heart failure, TFAM is significantly decreased and cardiomyocyte instability ensues. TFAM inhibits nuclear facto...

journal_title：Canadian journal of physiology and pharmacology

authors： Kunkel GH,Chaturvedi P,Thelian N,Nair R,Tyagi SC

更新日期：2018-02-01 00:00:00

abstract：:The effect of a novel antianginal agent, molsidomine (N-ethoxycarbonyl-3-morpholinosydnonimine) (SIN-10) and its metabolites, 3-morpholinosydnonimine (SIN-1) and N-nitroso-N-morpholinoaminoacetonitrile (SIN-1A) on isolated dog blood vessels were investigated. SIN-1 and SIN-1A elicited a concentration-dependent relaxat...

journal_title：Canadian journal of physiology and pharmacology

authors： Muramatsu I,Fujii K,Sakakibara Y,Fujiwara M

更新日期：1983-09-01 00:00:00

abstract：:Several laboratories have reported ligand binding studies using radioactive histamine H1 antagonists to label the H1 receptors in mammalian brain. We have extended these studies to a detailed examination of the binding of [3H]mepyramine to monkey brain and have shown that the distribution is similar to that in man, wi...

journal_title：Canadian journal of physiology and pharmacology

authors： Bielkiewicz B,Cook DA

更新日期：1985-06-01 00:00:00

abstract：:To clarify the beneficial effects of cilnidipine, an L- and N-type calcium channel blocker, which were clinically observed against diastolic dysfunction in hypertrophied hearts of hypertensive patients, we investigated the effects of cilnidipine on cardiac remodeling and enhanced gene expression in stroke-prone, spont...

journal_title：Canadian journal of physiology and pharmacology

authors： Takemori K,Ishida H,Dote K,Yamamoto K,Ito H

更新日期：2005-08-01 00:00:00

abstract：:Sodium deoxycholate (NaDOC) inhibits the intestinal Ca2+ absorption and ursodeoxycholic acid (UDCA) stimulates it. The aim of this study was to determine whether NaDOC and UDCA produce differential effects on the redox state of duodenal mitochondria altering the Krebs cycle and the electron transport chain (ETC) funct...

journal_title：Canadian journal of physiology and pharmacology

authors： Pérez A,Rivoira MA,Rodríguez V,Marchionatti A,Tolosa de Talamoni N

更新日期：2020-07-20 00:00:00

abstract：:The blood volume of anesthetized rats was expanded acutely by 33% with donor blood while a caval snare was gradually tightened so that right atrial pressure (RAP) was prevented from rising (n = 6). In control experiments (n = 5) an aortic snare was used to hold mean arterial blood pressure near the values found in the...

journal_title：Canadian journal of physiology and pharmacology

authors： Ackermann U,Rudolph JR

更新日期：1984-07-01 00:00:00

abstract：:In hypertension, the relationship between atrial natriuretic peptide (ANP) and vasopressin (AVP) is not yet clear, although their renal actions are effectively autoregulation. To examine the possible interaction further, the responses to ANP infusion (75 ng x min (-1), i.v.) have been investigated in both hypertensive...

journal_title：Canadian journal of physiology and pharmacology

authors： Abu-Amarah I,Balment RJ

更新日期：1999-02-01 00:00:00

abstract：:Activators of the slow delayed rectifier K⁺ current (IKs) have been suggested as promising tools for suppressing ventricular arrhythmias due to prolongation of repolarization. Recently, L-364,373 (R-L3) was nominated to activate IKs in myocytes from several species; however, in some studies, it failed to activate IKs....

journal_title：Canadian journal of physiology and pharmacology

authors： Corici C,Kohajda Z,Kristóf A,Horváth A,Virág L,Szél T,Nagy N,Szakonyi Z,Fülöp F,Muntean DM,Varró A,Jost N

更新日期：2013-08-01 00:00:00

abstract：:The vascular inflammatory process has been suggested to play a key role in the initiation and progression of atherosclerosis, a major complication of diabetes mellitus. Thus, in this study, we attempted to determine whether 2 structurally related flavonoids found in Cyclopia subternata, vicenin-2 and scolymoside, can ...

journal_title：Canadian journal of physiology and pharmacology

authors： Ku SK,Bae JS

更新日期：2016-03-01 00:00:00

abstract：:In Sprague-Dawley rats, we attempted to develop an experimental model to stimulate the cardiac sympathetic nerve. After transverse thoracotomy under anesthesia, a miniature, bipolar electrode was placed on the right ansa subclavia and it was stimulated electrically. The nerve stimulation at 2, 4, and 8.3 Hz (2 ms in d...

journal_title：Canadian journal of physiology and pharmacology

authors： Masuda Y,Matsuoka H

更新日期：1997-02-01 00:00:00

abstract：:Many functions of the brain and the sympathetic adrenal system are influenced by those amino acids that exert precursor control over neurotransmitter synthesis. One of the functions affected is regulation of blood pressure. Therefore, the purpose of this review is to describe how food proteins and amino acids affect t...

journal_title：Canadian journal of physiology and pharmacology

authors： Anderson GH

更新日期：1986-06-01 00:00:00

abstract：:Over the last 2 decades, mi(cro)RNAs have emerged as one of the key regulators of metabolic homeostasis. Most of the studies have highlighted that, in the cytoplasm, miRNAs directly bind to the 3'-UTR (untranslated region) of a mRNA. Conventional RNA-induced silencing complex (RISC) formation results in the post-trans...

journal_title：Canadian journal of physiology and pharmacology

authors： Baradan R,Hollander JM,Das S

更新日期：2017-10-01 00:00:00

abstract：:Previous reports demonstrated that cilostazol, a phosphodiesterase 3 inhibitor, affected cellular electrophysiology and reduced episodes of ventricular fibrillation (VF) in patients with Brugada syndrome. However, its effects on VF induction and defibrillation efficacy have never been investigated. We tested the hypot...

journal_title：Canadian journal of physiology and pharmacology

authors： Kanlop N,Shinlapawittayatorn K,Sungnoon R,Weerateerangkul P,Chattipakorn S,Chattipakorn N

更新日期：2010-04-01 00:00:00

abstract：:Inhibition of prostaglandin synthesis together with vagally mediated peristaltic contractions are essential if mucosal injury is to occur in the stomach of indomethacin-treated rats. The neomycin group of antibiotics has been shown to interfere with acetylcholine release. Agents blocking peristalsis have been demonstr...

journal_title：Canadian journal of physiology and pharmacology

authors： Mersereau WA,Hinchey EJ

更新日期：1989-09-01 00:00:00

abstract：:Ah receptor in hepatic cytosols from adult cynomolgus monkeys (Macaca fasicularis) was identified and quantitated by its binding of the highly toxic chemical 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and the carcinogens 3-methylcholanthrene, benzo[a]pyrene, and dibenz[a,h]anthracene. The concentration of Ah receptor ...

journal_title：Canadian journal of physiology and pharmacology

authors： Okey AB,Vella LM,Iverson F

更新日期：1984-10-01 00:00:00

abstract：:Although amiodarone is a highly efficacious antidysrhythmic agent, the drug produces numerous adverse effects. The most critical of these is pulmonary toxicity because of the potential for mortality. This review examines the experimental model systems used to study amiodarone toxicity, summarizes the current state of ...

journal_title：Canadian journal of physiology and pharmacology

authors： Massey TE,Leeder RG,Rafeiro E,Brien JF

更新日期：1995-12-01 00:00:00

abstract：:The effect of the administration route, dose, and sampling time on the total urinary excretion of four major benzo[a]pyrene (BaP) metabolites, 3-hydroxyBaP (3-OHBaP), 9-hydroxyBaP 9-hydroxyBaP (9-OHBaP), trans-4,5-dihydrodiolBaP (4,5-diolBaP), and trans-9,10-dihydrodiolBaP (9,10-diolBaP), was studied in male Sprague-D...

journal_title：Canadian journal of physiology and pharmacology

authors： Bouchard M,Viau C

更新日期：1997-03-01 00:00:00

abstract：:Phosphorylation of the regulatory light chain of myosin catalyzed by myosin light-chain kinase (MLCK) is the key reaction in the regulation of actin-myosin interaction in smooth muscle. It is shown that this reaction is of an ordered type, whereby kinase first binds ATP and then the light chain, and following phosphat...

journal_title：Canadian journal of physiology and pharmacology

authors： Sobieszek A

更新日期：1994-11-01 00:00:00

abstract：:The goal of conformal radiotherapy is to concentrate the dose in a well-defined volume by avoiding the neighbouring healthy structures. This technique requires powerful treatment planning software and a rigorous control of estimated dosimetry. The usual dosimetric tools are not adapted to visualize and validate comple...

journal_title：Canadian journal of physiology and pharmacology

authors： Gibon D,Bourel P,Castelain B,Marchandise X,Rousseau J

更新日期：2001-02-01 00:00:00

abstract：:Experiments were carried out in pigs to investigate the relationship between concentration of intestinal calcium-binding protein (CaBP) and the presence of rickets. Pigs made rachitic by a diet deficient in calcium and in vitamin D had concentrations of intestinal CaBP no less than values obtained on control pigs. The...

journal_title：Canadian journal of physiology and pharmacology

authors： Harrison JE,Hitchman AJ,Brown RG

更新日期：1975-02-01 00:00:00