Comparative aspects and temperature dependence of [3H]1,4-dihydropyridine Ca2+ channel antagonist and activator binding to neuronal and muscle membranes.

abstract：:There is increasing evidence for a beneficial effect of ginseng on cardiac pathology. Here, we determined whether North American ginseng can modulate the deleterious effects of the β-adrenoceptor agonist isoproterenol on cardiac hypertrophy and function using in vitro and in vivo approaches. Isoproterenol was administ...

journal_title：Canadian journal of physiology and pharmacology

authors： Tang X,Gan XT,Rajapurohitam V,Huang CX,Xue J,Lui EM,Karmazyn M

更新日期：2016-12-01 00:00:00

abstract：:The natural history of the disease of the dilated strain Bio TO-2 of cardiomyopathic hamsters (CMH) is not totally characterized. We investigated its hemodynamic and histomorphometric characteristics at 140, 180, 220, 260, and 300 days of age. Forty CMH and 40 controls were investigated (8 at each stage). Mean arteria...

journal_title：Canadian journal of physiology and pharmacology

authors： Goineau S,Pape D,Guillo P,Ramée MP,Bellissant E

更新日期：2001-04-01 00:00:00

abstract：:We studied the effects of Zn2+ and Cd2+ on the behaviour of IK(f), a transient outward potassium current in acutely dissociated melanotrophs of the pars intermedia of the rat pituitary gland. Micromolar concentrations of external Cd2+ or Zn2+ caused parallel and nearly equal rightward shifts along the voltage axis of ...

journal_title：Canadian journal of physiology and pharmacology

authors： Davidson JL,Kehl SJ

更新日期：1995-01-01 00:00:00

abstract：:Garlic is a commonly used spice in folk medicine that can exert adverse health effects when given at a high dose. Grape seed and skin extract (GSSE) exhibits a variety of beneficial effects even at a high dose. In the present study we evaluated the toxicity of high-dose garlic treatment on liver and the protective eff...

journal_title：Canadian journal of physiology and pharmacology

authors： Hamlaoui-Gasmi S,Mokni M,Limam N,N'guessan P,Carrier A,Limam F,Amri M,Aouani E,Marzouki L

更新日期：2012-05-01 00:00:00

abstract：:Rhus tripartitum D.C., Anacardiaceae, has traditionally been used in Tunisia against many illnesses. The present study investigates, for the first time, the protective effects of the methanol extract of Rhus tripartitum fruit (MERT) against CCl4-induced hepatotoxicity and cisplatin-induced nephrotoxicty in Wistar rats...

journal_title：Canadian journal of physiology and pharmacology

authors： Tlili N,Feriani A,Allagui MS,Saadoui E,Khaldi A,Nasri N

更新日期：2016-08-01 00:00:00

abstract：:Two groups of 63-day-old female Wistar rats were fed a folic acid deficient diet, based on 20% of vitamin-free casein and containing 1% of succinylsulfathiazole, for 5 weeks (group A) and 9 weeks (group B) before being bred, and the same diet was continued through pregnancy and lactation. Three out of eleven (21.3%) a...

journal_title：Canadian journal of physiology and pharmacology

authors： Tagbo IF,Hill DC

更新日期：1977-06-01 00:00:00

abstract：:The influence of external potassium Ko and tetraethylammonium on the cellular K content of hypoxic myocardium was investigated. Perfused rabbit hearts were submitted to 60 min hypoxia in medium containing 5 mM K throughout or either low (1.5 mM) or high (10 mM) K during the last 20 min of hypoxia. Paced electrical act...

journal_title：Canadian journal of physiology and pharmacology

authors： Leblanc N,Ruiz-Ceretti E,Chartier D

更新日期：1987-05-01 00:00:00

abstract：:There have been conflicting observations regarding the effects of ketoconazole on hepatic metabolism. The objectives of these studies were to determine whether ketoconazole was an enzyme inducer or inhibitor in the mouse and then to establish the time frame of these ketoconazole-induced enzyme changes. Ketoconazole wa...

journal_title：Canadian journal of physiology and pharmacology

authors： Whitehouse LW,Pakuts AP,Paul CJ,Mueller RW,Thomas BH

更新日期：1990-08-01 00:00:00

abstract：:Excitation-contraction coupling in crab muscle fibers was studied in voltage-clamp conditions. Extracellular calcium is essential for the mechanical activity. Two calcium influxes induced by membrane depolarization contribute to tension development: one is the inward calcium current responsible for the phasic tension,...

journal_title：Canadian journal of physiology and pharmacology

authors： Mounier Y,Goblet C

更新日期：1987-04-01 00:00:00

abstract：:In Western societies, the incidence of diet-related diseases is progressively increasing due to greater availability of hypercaloric food and a sedentary lifestyle. Obesity, diabetes, atherosclerosis, and neurodegeneration are major diet-related pathologies that share a common pathogenic denominator of low-grade infla...

journal_title：Canadian journal of physiology and pharmacology

authors： Magrone T,Perez de Heredia F,Jirillo E,Morabito G,Marcos A,Serafini M

更新日期：2013-06-01 00:00:00

abstract：:In both isolated canine ventricular trabecular muscle and Purkinje strand preparations, dl-sotalol and its two optical isomers d- and l-sotalol produced a concentration-dependent increase in action potential duration while other transmembrane electrical characteristics were not significantly affected. The magnitude of...

journal_title：Canadian journal of physiology and pharmacology

authors： Lathrop DA

更新日期：1985-12-01 00:00:00

abstract：:Cyclophosphamide (CP) is an antineoplastic drug that induces kidney damage via producing oxidative stress. Carvacrol (CAR) has antioxidative effect and we postulated that it can be protective against CP-induced nephrotoxicity. Six groups (n = 7) of rats (control, 100 mg/kg CP, CP+5 mg/kg CAR, CP+10 mg/kg CAR, 5 mg/kg ...

journal_title：Canadian journal of physiology and pharmacology

authors： Gunes S,Ayhanci A,Sahinturk V,Altay DU,Uyar R

更新日期：2017-07-01 00:00:00

abstract：:The isometric contractile properties of frog (Rana pipiens) and toad (Bufo bufo) sartorii have been studied over the temperature range from 0 to 20 degrees C. The isometric twitch tension was found to vary considerably between these two species and between muscles in the same species. Between 0 and 4 degrees C there w...

journal_title：Canadian journal of physiology and pharmacology

authors： Bressler BH

更新日期：1981-06-01 00:00:00

abstract：:This review presents, from the author's viewpoint, avenues of histamine research likely to produce new information. One potentially useful approach may be to attempt to relate histamine's function to its occurrence in different body tissues such as the pituitary and hypothalamus, the gastrointestinal mucosa, and the b...

journal_title：Canadian journal of physiology and pharmacology

authors： Code CF

更新日期：1985-06-01 00:00:00

abstract：:Oxidative stress plays a vital role in the pathogenesis of neurodegenerative diseases. Chikusetsu saponin V (CsV), the most abundant member of saponins from Panax japonicus (SPJ), has attracted increasing attention for its potential to treat neurodegenerative diseases. However, the mechanisms are unclear. Our study in...

journal_title：Canadian journal of physiology and pharmacology

authors： Wan J,Deng L,Zhang C,Yuan Q,Liu J,Dun Y,Zhou Z,Zhao H,Liu C,Yuan D,Wang T

更新日期：2016-09-01 00:00:00

abstract：:Heme plays a critical role in blood pressure regulation because it is required by a number of enzymes that synthesize vascular modulators, including nitric oxide (NO), carbon monoxide (CO), guanosine 3',5'-cyclic monophosphate (cGMP), endothelium-derived hyperpolarizing factor (EDHF), and prostacyclin. The goal of thi...

journal_title：Canadian journal of physiology and pharmacology

authors： Soong J,Adams MA,Nakatsu K

更新日期：2008-09-01 00:00:00

abstract：:Despite the widespread use of furosemide in the treatment of various fluid and electrolyte disorders in the preterm and term human infant and child, the physiological effects of this potent diuretic agent on renal function and renin release during postnatal maturation are poorly understood. To test the hypothesis that...

journal_title：Canadian journal of physiology and pharmacology

authors： Smith FG,Abraham J

更新日期：1995-01-01 00:00:00

abstract：:Grains are global dietary staples that when consumed in whole grain form, offer considerable health benefits compared with milled grain foods, including reduced body weight gain and reduced cardiovascular and diabetes risks. Dietary patterns, functional foods, and other lifestyle factors play a fundamental role in the...

journal_title：Canadian journal of physiology and pharmacology

authors： Nelson K,Stojanovska L,Vasiljevic T,Mathai M

更新日期：2013-06-01 00:00:00

abstract：:The adenylate cyclase activity induced by norepinephrine (10(-8)-10(-9) M) was studied in hypothalamic particulate fractions from female rats. The effect of estradiol on this activity was studied in rats that were ovariectomized in diestrus 1, injected with estradiol benzoate (50 micrograms/kg body weight), and killed...

journal_title：Canadian journal of physiology and pharmacology

authors： Zubin P,Defagot C

更新日期：1994-11-01 00:00:00

abstract：:A hydroperoxide compound structurally related to acetylsalicylic acid, 3-hydroperoxy-3-methylphthalide, inhibits both the first and second phases of adenosine diphosphate induced, biphasic, human platelet aggregation. This occurs over the same concentration range (0.05-0.5 mM) that acetylsalicylic acid inhibits second...

journal_title：Canadian journal of physiology and pharmacology

authors： Killackey JJ,Killackey BA,Cerskus I,Philp RB

更新日期：1984-03-01 00:00:00

abstract：:The present study focused on the interactive pain regulation of endokinin A/B (EKA/B, the common C-terminal decapeptide in EKA and EKB) or endokinin C/D (EKC/D, the common C-terminal duodecapeptide in EKC and EKD) on chimeric peptide MCRT (YPFPFRTic-NH2, based on YPFP-NH2 and PFRTic-NH2) at the supraspinal level in mi...

journal_title：Canadian journal of physiology and pharmacology

authors： He C,Gong J,Yang L,Zhang H,Dong S,Zhou L

更新日期：2016-09-01 00:00:00

abstract：:This year, 2011, the Department of Pharmacology at the University of Alberta celebrated its 50th anniversary. This timeframe covers nearly the entire history of Cys-loop pentameric ligand-gated ion channel (pLGIC) research. In this review we consider how major technological advancements affected our current understand...

journal_title：Canadian journal of physiology and pharmacology

authors： Kozuska JL,Paulsen IM

更新日期：2012-06-01 00:00:00

abstract：:Premature weaning of rats to high carbohydrate diets causes a variety of short- and long-term changes in lipid metabolism, but the mechanisms involved are unclear. It is likely that interaction of diet with certain emerging hormonal control patterns during weaning might condition metabolic control and (or) subsequent ...

journal_title：Canadian journal of physiology and pharmacology

authors： Angel JF,Back DW

更新日期：1985-05-01 00:00:00

abstract：:The study was carried out to determine whether the diminished release of norepinephrine (NE) upon sympathetic activation in the presence of sotalol can be attributed to the blockade of beta-adrenoceptors in the liver. NE release from the liver was measured in hepatic venous blood collected during direct hepatic nerve ...

journal_title：Canadian journal of physiology and pharmacology

authors： Yamaguchi N

更新日期：1985-11-01 00:00:00

abstract：:The shear-stress sensor function of vascular glycocalyx heparan sulphate and hyaluronic acid was investigated in vivo by assessing flow-mediated dilation before and after their removal. Heparinase III exposure (100 mU·mL-1 for 20 min;n = 6) did not significantly affect flow-mediated dilation of the iliac, from 0.42 ± ...

journal_title：Canadian journal of physiology and pharmacology

authors： Ruane-O'Hora T,O'Malley D,Buckley MM,Markos F

更新日期：2019-08-01 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：:The effect of chemical sympathectomy with 6-hydroxydopamine (6-OHDA) on blood volume was studied in unanesthetized splenectomized and nonsplenectomized dogs. A significant increase in total blood volume essentially accounted for by a marked plasma volume expansion was found in both groups after 6-OHDA treatment (50 mg...

journal_title：Canadian journal of physiology and pharmacology

authors： Porlier GA,Nadeau RA,de Champlain J

更新日期：1977-06-01 00:00:00

abstract：:Molecular mechanisms by which exercise exerts cardiovascular benefits are poorly understood. Exercise-induced increase of endothelial NO synthase (eNOS) phosphorylation through the protein kinase Akt has been shown to be a key mechanism underlying the beneficial effect of exercise in coronary artery disease patients. ...

journal_title：Canadian journal of physiology and pharmacology

authors： Pellegrin M,Miguet-Alfonsi C,Berthelot A,Mazzolai L,Laurant P

更新日期：2011-01-01 00:00:00

abstract：:Coronary flow was recorded from spontaneously beating isolated perfused hearts of rats and guinea pigs. Arachidonic acid (AA), in single bolus doses, produced a fast short lasting coronary constriction followed by a slow developing but persisting vasodilation. These reactions (biphasic type) were characteristic of the...

journal_title：Canadian journal of physiology and pharmacology

authors： Talesnik J,Tsoporis JN

更新日期：1984-10-01 00:00:00

abstract：:It is commonly thought that central nervous system depressant drugs exert their actions through enhancement of gamma-aminobutyrate (GABA)-mediated mechanisms. Recently, the cellular electrophysiological evidence from this laboratory and others suggests that both sedative hypnotics and general anaesthetics inhibit cent...

journal_title：Canadian journal of physiology and pharmacology

authors： Carlen PL,Gurevich N,Davies MF,Blaxter TJ,O'Beirne M

更新日期：1985-07-01 00:00:00