Cognitive enhancement of volatile oil from the stems of Schisandra chinensis Baill. in Alzheimer's disease rats.

abstract：:The effect of short-term exposure to homocysteine (Hcy) on the contractile characteristics of rat aortic tissue was assessed both in vitro and in vivo. The contractile response of Hcy-treated aortic rings in culture for 1 or 4 days was unchanged from control responses. By comparison, aortic rings from animals injected...

journal_title：Canadian journal of physiology and pharmacology

authors： Wang S,Wright G,Harrah J,Touchon R,McCumbee W,Geng W,Fultz ME,Abdul-Jalil MN,Wright GL

更新日期：2000-06-01 00:00:00

abstract：:The issue of bimanual temporal coordination in human subjects is discussed for three selected movement paradigms: (i) simple, symmetric, bimanual finger movements, (ii) bimanual unloading, and (iii) a complex bimanual pull and grasp task. Temporal synchronization was found for all three experiments and was least varia...

journal_title：Canadian journal of physiology and pharmacology

authors： Wiesendanger M,Kaluzny P,Kazennikov O,Palmeri A,Perrig S

更新日期：1994-05-01 00:00:00

abstract：:The role of iron-loaded transferrin in xanthine-xanthine oxidase (X-XO) induced cardiac injury in isolated perfused rat hearts was examined. X (2 mM) - XO (10 U/L) perfusion resulted in contractile failure, a rise in resting tension, an increase in lipid peroxidation, and myocardial cell damage. The addition of transf...

journal_title：Canadian journal of physiology and pharmacology

authors： Tiede R,Sareen S,Singal PK

更新日期：1990-04-01 00:00:00

abstract：:Trimetazidine (TMZ) exhibits metabolic and cardioprotective effects. The aim of this study was to assess the effects of TMZ on interleukin-2 (IL-2) and interleukin-8 (IL-8) serum concentrations in 156 patients with stable coronary artery disease. They underwent a treadmill exercise test (TET) before and after 3 months...

journal_title：Canadian journal of physiology and pharmacology

authors： Danikiewicz A,Szkodziński J,Hudzik B,Korzonek-Szlacheta I,Gąsior M,Zubelewicz-Szkodzińska B

更新日期：2017-06-01 00:00:00

abstract：:Nonalcoholic fatty liver disease (NAFLD) is a spectrum of chronic liver conditions that are characterized by steatosis, inflammation, fibrosis, and liver injury. The global prevalence of NAFLD is rapidly increasing in proportion to the rising incidence of obesity and type 2 diabetes. Because NAFLD is a multifaceted di...

journal_title：Canadian journal of physiology and pharmacology

authors： Sid V,Siow YL,O K

更新日期：2017-10-01 00:00:00

abstract：:Our purpose was to determine the effect of eight different combinations of contraction intensity, duration, and rest on the rate of fatigue in vastus lateralis muscle. A single combination consisted of contractions at 30 or 70% maximal voluntary contraction (MVC), held for 3 or 7 s with 3- or 7-s rest intervals. Contr...

journal_title：Canadian journal of physiology and pharmacology

authors： Dolmage T,Cafarelli E

更新日期：1991-10-01 00:00:00

abstract：:Male spontaneously hypertensive stroke-prone (SHRsp) rats were fed 4% NaCl diets containing either 0.75% (normal) K or 2.11% (high) K, starting at 6 weeks of age. After 8 months on these diets, 40 out of 58 SHRsp rats on the 0.75% K diet had died (69% mortality) versus 2 dead out of 95 on the 2.11% K diet (2% mortalit...

journal_title：Canadian journal of physiology and pharmacology

authors： Tobian L

更新日期：1986-06-01 00:00:00

abstract：:Early studies indicated that the baCl2-induced contractions in the guinea pig ileum longitudinal muscle strip (GPI-LMS) were, in part, neuronal in origin. However, recent studies have suggested that BaCl2-induced contractions were produced by an action directly on the smooth muscle membrane. The purpose of this study ...

journal_title：Canadian journal of physiology and pharmacology

authors： Clement JG

更新日期：1981-06-01 00:00:00

abstract：:The epicardial coronary venous pressure in 16 dogs was compared with coronary arterial pressure as well as aortic, intraventricular, and intramyocardial pressures. Partial aortic occlusion augmented intraventricular (IVP), intramyocardial (IMP), aortic (AP), and coronary arterial pressures. Peripheral coronary venous ...

journal_title：Canadian journal of physiology and pharmacology

authors： Klassen GA,Armour JA

更新日期：1983-03-01 00:00:00

abstract：:The historical perspective as well as the nature and causes of acid precipitation are presented. The toxicological effects of acid precipitation on lakes, other water bodies, fish, and invertebrate fauna are reviewed. In addition, the effects of this phenomenon on soil productivity and forest growth are examined. It a...

journal_title：Canadian journal of physiology and pharmacology

authors： Rutherford GK

更新日期：1984-08-01 00:00:00

abstract：:The mechanisms of the positive inotropic action of a new synthetic tetrahydroisoquinoline compound, SL-1, were investigated in isolated rat cardiac tissues and ventricular myocytes. SL-1 produced a rapidly developing, concentration-dependent positive inotropic response in both atrial and ventricular muscles and a nega...

journal_title：Canadian journal of physiology and pharmacology

authors： Chang GJ,SU MJ,Lee PH,Lee SS,Liu KC

更新日期：1995-11-01 00:00:00

abstract：:This Symposium includes 15 presentations and an editorial review dealing with prorenin activation and function. It comes 20 years after prorenin was first reported in various contexts and attracted attention because of its connection with renin--angiotensin, its high concentration relative to renin in the blood, and i...

journal_title：Canadian journal of physiology and pharmacology

authors： Osmond DH,Sealey JE,McKenzie JK

更新日期：1991-09-01 00:00:00

abstract：:Altered cytochrome P450-catalyzed metabolism of 17beta-estradiol (E2) and estrone (E1) in the liver and (or) extrahepatic tissues may affect estrogen-sensitive tumorigenesis. We examined the effects of oral treatments of (i) indole-3-carbinol (13C) at 250 or 500 mg/kg or beta-naphthoflavone (beta-NF) at 40 mg/kg of bo...

journal_title：Canadian journal of physiology and pharmacology

authors： Ritter CL,Prigge WF,Reichert MA,Malejka-Giganti D

更新日期：2001-06-01 00:00:00

abstract：:The endothelin receptors in rabbit isolated rings of saphenous artery and saphenous vein have been characterized using endothelin-1, endothelin-2, endothelin-3, sarafotoxin S6c, and BQ123. Although artery rings were more sensitive than those from vein to the contractile action of phenylephrine, endothelin-1 was about ...

journal_title：Canadian journal of physiology and pharmacology

authors： Auguet M,Delaflotte S,Chabrier PE,Braquet P

更新日期：1993-10-01 00:00:00

abstract：:The vasoconstrictors norepinephrine (NE) and angiotensin II (AII) mediate increases in oxygen uptake (VO2) by the constant flow perfused rat hind limb that are inhibited by quinidine-like membrane-stabilizing effects (involving the interruption of action potential) of (+/-)-propranolol with little effect on vasoconstr...

journal_title：Canadian journal of physiology and pharmacology

authors： Tong AC,Rattigan S,Clark MG

更新日期：1998-02-01 00:00:00

abstract：:The objective of this study was to investigate the protective effects of pomegranate (Punica granatum) juice (PGJ) on oxidative damages in liver tissue and erythrocytes of rats intoxicated by sodium fluoride (NaF). Rats were randomly divided into two groups: group I received standard diet and group II received orally ...

journal_title：Canadian journal of physiology and pharmacology

authors： Bouasla A,Bouasla I,Boumendjel A,Abdennour C,El Feki A,Messarah M

更新日期：2016-07-01 00:00:00

abstract：:In sepsis, systemic inflammatory response syndrome (SIRS), and multiorgan dysfunction syndrome (MODS), a severe prognostically relevant cardiac autonomic dysfunction exists, as manifested by a strong attenuation of sympathetically and vagally mediated heart rate variability (HRV). The mechanisms underlying this attenu...

journal_title：Canadian journal of physiology and pharmacology

authors： Werdan K,Schmidt H,Ebelt H,Zorn-Pauly K,Koidl B,Hoke RS,Heinroth K,Müller-Werdan U

更新日期：2009-04-01 00:00:00

abstract：:This study investigated the effects of prolonged exercise on muscle sarcoplasmic reticulum (SR) Ca2+ cycling properties and the metabolic responses with and without a session of exercise designed to reduce muscle glycogen reserves while on a normal carbohydrate (CHO) diet. Eight untrained males (VO(2peak) = 3.81 +/- 0...

journal_title：Canadian journal of physiology and pharmacology

authors： Duhamel TA,Green HJ,Perco JG,Ouyang J

更新日期：2005-07-01 00:00:00

abstract：:Sequestration of nitric oxide (NO) by subcellular fractions isolated from bovine pulmonary arterial medial layer (BPA) and rabbit platelets (RP) was studied utilizing a novel chemiluminescence--headspace gas technique. Sequestration in all fractions was similarly rapid (5 min) and remained constant for at least 30 min...

journal_title：Canadian journal of physiology and pharmacology

authors： Liu Z,Nakatsu K,Brien JF,Beaton ED,Marks GS,Maurice DH

更新日期：1993-12-01 00:00:00

abstract：:This study evaluated the in vitro expression of bone-related proteins by osteoblasts in the presence of different concentrations of human recombinant bone morphogenetic protein-2 (rhBMP-2). Immortalized human fetal osteoblastic cell line 1.19 (hFOB) were exposed to different concentrations of rhBMP-2 (10, 50, or 100 n...

journal_title：Canadian journal of physiology and pharmacology

authors： de Oliveira EM,Martinez EF,Bossonaro JP,Ribeiro RC,de Araújo VC,Napimoga MH

更新日期：2013-11-01 00:00:00

abstract：:Chronically hypoxic rats (exposed to 5000 m elevation for 3 weeks) develop pulmonary hypertension (PH) that is reversed upon return to normoxia and is blocked by bradykinin (BK) antagonist B9430 treatment (100 microg/kg s.c. three times per week). Treatment of rats with both the synthetic VEGF receptor-1/2 antagonist ...

journal_title：Canadian journal of physiology and pharmacology

authors： Taraseviciene-Stewart L,Gera L,Hirth P,Voelkel NF,Tuder RM,Stewart JM

更新日期：2002-04-01 00:00:00

abstract：:As an activator of AMPK, the effect of AICAR on insulin signaling has not been investigated extensively. PI3K-Akt is a critical node involved in the insulin signaling pathway. We observed that concomitant with the activation of AMPK by AICAR, the protein level of PI3K p85α and the insulin-induced phosphorylation of Ak...

journal_title：Canadian journal of physiology and pharmacology

authors： Liu J,Ye C,Liu W,Zhao W,Zhang YJ,Zhang H,Ying H

更新日期：2016-02-01 00:00:00

abstract：:A single-compartment model used in this laboratory for continuously calculating ACTH secretion rates from measured plasma ACTH concentrations has been tested for its ability to follow changing rates of ACTH entry (rapid departure from steady state). ACTH was infused at known moderately high but physiological rates int...

journal_title：Canadian journal of physiology and pharmacology

authors： Cowan JS

更新日期：1978-06-01 00:00:00

abstract：:The twitch-potentiating effects of opioids in the frog's skeletal muscle which are naloxone resistant and nonstereospecific were further studied. The rapid kinetics of the onset and of the offset (following washout) of the opioid effect indicates that the site for this action is the surface membrane of the muscle fibr...

journal_title：Canadian journal of physiology and pharmacology

authors： Shetty SS,Frank GB

更新日期：1986-07-01 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：:Single ventricular cells have been isolated from adult guinea pig heart using a collagenase enzyme method. The procedure is straightforward, takes about 20 min, and yields 40-65% rod-shaped cells which are quiescent in millimolar Ca2+ solution. Electrophysiological studies involving external ion changes and ionic chan...

journal_title：Canadian journal of physiology and pharmacology

authors： Bustamante JO,Watanabe T,McDonald TF

更新日期：1981-08-01 00:00:00

abstract：:Kinins are the endogenous ligands of the constitutive B2 receptor (B2R) and the inducible B1 receptor (B1R). Whereas B2R prevents insulin resistance, B1R is involved in insulin resistance and metabolic syndrome. However, the contribution of B1R in type 2 diabetes associated with obesity remains uncertain. The aim of t...

journal_title：Canadian journal of physiology and pharmacology

authors： Talbot S,Dias JP,El Midaoui A,Couture R

更新日期：2016-07-01 00:00:00

abstract：:The effects of fast neutrons (10-100 Gy) on chromatin extracted from normal (liver of Wistar rats) and tumor (Walker carcinosarcoma maintained on Wistar rats) tissues were compared. The spectroscopic assays used were (i) chromatin intrinsic fluorescence, (ii) time-resolved fluorescence of chromatin - proflavine comple...

journal_title：Canadian journal of physiology and pharmacology

authors： Radu L,Constantinescu B,Gazdaru D

更新日期：2002-07-01 00:00:00

abstract：:We tested the hypothesis that ethanol consumption would aggravate the renal damage induced by cyclophosphamide (CYP). Male C57BL/6J mice from control (n=8) and CYP (n=12) groups had free access to filtered water and standard rodent chow for 12 weeks. Then, 24 h before euthanasia mice received an intraperitoneal inject...

journal_title：Canadian journal of physiology and pharmacology

authors： Sousa AH,Do Vale GT,Silva CB,Awata WM,Pinheiro LC,Tirapelli CR

更新日期：2020-11-11 00:00:00

abstract：:An acidic proteinase was purified from human kidney cortex. The enzyme showed a molecular mass of 31 kDa by SDS-PAGE, 36 kDa by gel filtration, and isoelectric points of 5.2 and 6.1. The optimum pH for hydrolysis of bovine hemoglobin was about 3.5. Reverse-phase HPLC analysis of the incubation mixture of the enzyme wi...

journal_title：Canadian journal of physiology and pharmacology

authors： Gomes RA,Juliano L,Chagas JR,Hial V

更新日期：1997-06-01 00:00:00