Small fibronectin fragments induce endothelium-dependent vascular relaxations.

abstract：:We investigated the effect of Ginkgo biloba extracts and some of its individual constituents on the oxidative metabolism of valproic acid (VPA) in hepatic microsomes from donors with the CYP2C9*1/*1 genotype. G. biloba extract decreased 4-ene-VPA, 3-OH-VPA, 4-OH-VPA, and 5-OH-VPA formation with mean (+/- SE) IC50 valu...

journal_title：Canadian journal of physiology and pharmacology

authors： Numa AM,Abbott FS,Chang TK

更新日期：2007-09-01 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 effect of intracerebroventricular (i.c.v.) injection of the alpha 2-adrenoceptor agonists clonidine and B-HT 920 on mean arterial pressure (MAP), heart rate (HR), and plasma concentrations of noradrenaline and adrenaline was examined in conscious unrestrained rats. The injection of 1.0 microgram clonidine signific...

journal_title：Canadian journal of physiology and pharmacology

authors： King KA,Pang CC

更新日期：1988-11-01 00:00:00

abstract：:Norethandrolone (NE) and other androgenic steroids have been shown to be renotropic in various species and have also been reported to have salutary effects in patients with diminished renal function. Renal cortical slices prepared from rats pretreated with NE showed an increased capability to concentrate p-aminohippur...

journal_title：Canadian journal of physiology and pharmacology

authors： Watrous WM,Lacombe R,Brodeur J

更新日期：1975-10-01 00:00:00

abstract：:Barbital-sedated, warm-acclimated (WA) or cold-acclimated (CA) rats were infused intravenously with noradrenaline (NA) at doses that elicited graded calorigenic responses. Blood flow (Q) to the various bodies of brown adipose tissue (BAT), the major sites of the NA-induced calorigenesis, was measured with labeled micr...

journal_title：Canadian journal of physiology and pharmacology

authors： Foster DO,Depocas F,Frydman ML

更新日期：1980-08-01 00:00:00

abstract：:Metaiodobenzylguanidine, which is used in the diagnosis and treatment of pheochromocytoma, produced 50% inhibition of monoamine oxidase at a concentration of 8 X 10(-6) M in vitro. These results suggest that a careful study of the structure of a new radiodiagnostic agent should be done to anticipate and prepare for po...

journal_title：Canadian journal of physiology and pharmacology

authors： Burba JV

更新日期：1985-02-01 00:00:00

abstract：:The effects of Bay K8644, a Ca2+ channel agonist, on the mechanical and electrical properties of frog skeletal muscle fibers were investigated. At relatively low concentrations, such as 10(-6) and 10(-5) M, Bay K8644 significantly potentiated the maximum amplitudes of twitch responses, and this effect was not reversed...

journal_title：Canadian journal of physiology and pharmacology

authors： Oz M,Frank GB

更新日期：1994-10-01 00:00:00

abstract：:Although there are many studies reporting correlations between relative body weight and blood pressure, the correlations are generally of low order. Furthermore, these observational studies provide, at best, circumstantial evidence concerning the effect of weight reduction on elevated blood pressure. After outlining k...

journal_title：Canadian journal of physiology and pharmacology

authors： Haynes RB

更新日期：1986-06-01 00:00:00

abstract：:Previous studies have demonstrated that abdominal irradiation alters intestinal uptake of nutrients. The purpose of this study was to determine the effect of an orally administered synthetic prostaglandin E2, enprostil, given on three occasions shortly prior to a single exposure to 600 cGy external abdominal irradiati...

journal_title：Canadian journal of physiology and pharmacology

authors： Thomson AB,Keelan M,Clandinin MT,Tavernini M,Lam T,Walker K,Cheeseman CI

更新日期：1989-10-01 00:00:00

abstract：:Atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP) are cardiac hormones synthesized in and secreted from the heart. ANP and BNP bind the common receptor guanylyl cyclase-A (GC-A) and possess biological actions. Based on their diuretic, natriuretic, and vasodilating activities, they are now widely us...

journal_title：Canadian journal of physiology and pharmacology

authors： Saito Y,Kishimoto I,Nakao K

更新日期：2011-08-01 00:00:00

abstract：:A new antagonist of the vasoconstrictor eicosanoids, L-640,035, was studied in a standardized model of myocardial ischemia (MI) in anesthetized cats. This eicosanoid antagonist was not found to exert any overt hemodynamic action in cats subjected to a sham myocardial ischemia protocol. However, the antagonist markedly...

journal_title：Canadian journal of physiology and pharmacology

authors： Lefer AM,Burke SE,Lepran I

更新日期：1984-12-01 00:00:00

abstract：:Airway smooth muscle (ASM) contraction controls the airway caliber. Airway narrowing is exaggerated in obstructive lung diseases, such as asthma and chronic obstructive pulmonary disease (COPD). The mechanism by which ASM tone is dysregulated in disease is not clearly understood. Recent research on ion channels, parti...

journal_title：Canadian journal of physiology and pharmacology

authors： Jha A,Sharma P,Anaparti V,Ryu MH,Halayko AJ

更新日期：2015-03-01 00:00:00

abstract：:Small, sinusoidal length changes were superimposed on isometric contractions of fast- and slow-twitch mouse muscles, which were stimulated maximally via their nerves. Stiffness increased with increasing frequency of sinusoidal stimulation, but the relative time course of force and stiffness changes during twitch, teta...

journal_title：Canadian journal of physiology and pharmacology

authors： Stein RB,Gordon T

更新日期：1986-09-01 00:00:00

abstract：:Rats received a daily injection of 2, 6, or 12 mg kg-1 bethanechol for 7 or 14 days. Pancreatic weight and content of protein, amylase, and chymotrypsinogen were increased in a dose and time dependent fashion by bethanechol. After 14 days of treatment with the highest dose, pancreatic weight and total pancreatic DNA c...

journal_title：Canadian journal of physiology and pharmacology

authors： Morisset J,Jolicoeur L,Caussignac Y,Solomon TE

更新日期：1982-07-01 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：:The rate of appearance of unlabelled glucose was calculated from changes in plasma glucose specific radioactivity after a single intravenous injection of labelled glucose and compared with the actual constant infusion rate of unlabelled glucose into an anaesthetized dog with all sources of endogenous glucose productio...

journal_title：Canadian journal of physiology and pharmacology

authors： Allsop JR,Wolfe RR,DiStephano JJ 3rd,Burke JF

更新日期：1979-11-01 00:00:00

abstract：:Impaired nitric oxide (NO) activity is associated with an increase in blood pressure in rats. Voltage-regulated calcium channels are believed to participate in this hemodynamic event. To further test this hypothesis, we examined the effect of nimodipine and verapamil (calcium antagonists) on the pressor activity of di...

journal_title：Canadian journal of physiology and pharmacology

authors： Rioux F,St-Pierre M,Harvey N,Moisan S,Burhop KE,Drapeau G

更新日期：1998-10-01 00:00:00

abstract：:Although dual endothelin receptor antagonists (ERAs) show great promise for treating various conditions, their propensity to induce liver injury limits their clinical usage. Inflammation and fibrosis are important processes in liver responses to injury and it has been suggested that they and dual ERA-induced liver inj...

journal_title：Canadian journal of physiology and pharmacology

authors： Ryanto GRT,Yorifuji K,Ikeda K,Emoto N

更新日期：2020-09-01 00:00:00

abstract：:Studies are scant on the effects of short-term carvedilol treatment as an adjuvant to angiotensin-converting enzyme (ACE) inhibitor in patients with left ventricular (LV) systolic dysfunction. The objective of this study was to find the effects of short-term treatment of carvedilol on patients with ischemic LV systoli...

journal_title：Canadian journal of physiology and pharmacology

authors： Gandhi PS,Goyal RK,Jain AR,Mallya BS,Gupta VM,Shah DS,Trivedi BR,Shastri NA,Mehta CB,Jain KA,Bhavasar NS,Shah UJ

更新日期：2007-02-01 00:00:00

abstract：:The study was designed to characterize restitution kinetics in atrial repolarization of rabbits and to examine effects of K+ or Ca2+ channel blockers on restitution. Action potentials were recorded from rabbit atrial tissue. Restitution curves of phase I amplitude and action potential duration at 50 and 90% repolariza...

journal_title：Canadian journal of physiology and pharmacology

authors： Qi A,Tang C,Yeung-Lai-Wah JA,Kerr CR

更新日期：1997-04-01 00:00:00

abstract：:The effects of beta-adrenergic blocking agents, timolol and atenolol (1-1000 microM), were studied on rat heart sarcolemmal ATPase and Ca2+ binding activities. Timolol, unlike atenolol, increased both Ca2+-stimulated ATPase and ATP-dependent Ca2+ binding; the maximal effects were seen at 1 microM concentration of timo...

journal_title：Canadian journal of physiology and pharmacology

authors： Dzurba A,Ganguly PK,Beamish RE,Dhalla NS

更新日期：1983-03-01 00:00:00

abstract：:The regulation of amino acid transport by angiotensin II (AII) and cyclic AMP (cAMP) was assessed in cultured vascular smooth muscle cells, using a nonmetabolizable amino acid, alpha-[3H]aminoisobutyric acid (AIB). An exposure time in excess of 2 h was required for AII to elicit a stimulatory response, the magnitude o...

journal_title：Canadian journal of physiology and pharmacology

authors： McCumbee WD,Hickey VL,Lloyd LL,Mangiarua EI

更新日期：1996-02-01 00:00:00

abstract：:Energy-deprivation contractures were investigated in unloaded rat ventricular myocytes. Application of 2 mM cyanide in the presence of 10 mM 2-deoxyglucose (metabolic blockade) led to a rapid shortening "contracture" (maximum speed 1.5 +/- 0.2% control cell length/s). Cells shortened to a constant length of 69 +/- 1.6...

journal_title：Canadian journal of physiology and pharmacology

authors： Nichols CG,Lederer WJ

更新日期：1990-02-01 00:00:00

abstract：:Lesion to the posterior parietal cortex in monkeys and humans produces spatial deficits in movement and perception. In recording experiments from area 7a, a cortical subdivision in the posterior parietal cortex in monkeys, we have found neurons whose responses are a function of both the retinal location of visual stim...

journal_title：Canadian journal of physiology and pharmacology

authors： Andersen RA,Zipser D

更新日期：1988-04-01 00:00:00

abstract：:We investigated the influence of four different culture media: 20% fetal bovine serum (FBS), 5% FBS, 5% FBS supplemented with 10 mg x L(-1) linoleic acid (18:2(n-6)) or alpha-linolenic acid (18:3(n-3)) on alpha-linolenic acid apical uptake in clone TC7 of human intestinal Caco-2 cell line. Neither cellular viability n...

journal_title：Canadian journal of physiology and pharmacology

authors： Tranchant T,Besson P,Hoinard C,Pinault M,Alessandri JM,Delarue J,Couet C,Goré J

更新日期：1998-06-01 00:00:00

abstract：:To investigate the contribution of pulmonary surfactant to a low airflow resistance through narrow conducting airways, a system was developed with which it was possible to determine the resistance meeting a steady flow of air at 0.5 mL/min. The airflow, delivered by an infusion pump, entered the extreme periphery of a...

journal_title：Canadian journal of physiology and pharmacology

authors： Enhorning G,Yarussi A,Rao P,Vargas I

更新日期：1996-06-01 00:00:00

abstract：:The purpose of this study was to elucidate the mechanism whereby a potassium infusion led to an elevation in the urine minus blood (ohm-B) PCO2 difference in alkaline urine of the rabbit. Rabbits given 9alpha-fluorohydrocortisone 16 h prior to study had a significantly high olm-B PCO2 than control rabbits. However, th...

journal_title：Canadian journal of physiology and pharmacology

authors： Robson WL,Halperin ML,Stinebaugh BJ,Goldstein MB

更新日期：1981-03-01 00:00:00

abstract：:Double-barrelled ion-sensitive microelectrodes were used to measure changes in the intracellular activities of K+, Na+, and Cl- (aKi, aNai, aCli) in neurones of rat sympathetic ganglia and in glial cells of slices from guinea-pig olfactory cortex. In sympathetic neurones, carbachol and gamma-aminobutyric acid (GABA) p...

journal_title：Canadian journal of physiology and pharmacology

authors： Grafe P,Ballanyi K

更新日期：1987-05-01 00:00:00

abstract：:A study of the relationship between the mechanical response of human iliac arteries subjected to sinusoidally varying dynamic pressures superimposed on a static pressure of 100 mm Hg (1mm Hg = 133 N/m2) and the development of arterial dilatation, with particular reference to poststenotic dilatation has been conducted....

journal_title：Canadian journal of physiology and pharmacology

authors： Vito R,Tso WK,Schwartz CJ

更新日期：1975-12-01 00:00:00

abstract：:Myopenia or muscle wasting due to ageing, chronic disease, and various medical interventions has been associated with increased mortality, morbidity, and poorer physical function. Attempts through nutrient and exercise interventions have been made to prevent this deterioration. In addition, while a measure of lean bod...

journal_title：Canadian journal of physiology and pharmacology

authors： McDonald C,Bauer J,Capra S

更新日期：2013-06-01 00:00:00