Phospholipase C as a potential target for cardioprotection during oxidative stress.

abstract：:Spironolactone at 10 mg per kilogram per day was given to control and 'one-kidney-one-clip' hypertensive dogs for 6--7 weeks. Compared with untreated animals the treated animals had a lower arterial water content, a higher arterial, myocardial, and skeletal muscle sodium content, and variable changes in tissue potassi...

journal_title：Canadian journal of physiology and pharmacology

authors： Constantopoulos G,Gutkowska J,Genest J

更新日期：1979-06-01 00:00:00

abstract：:Redistribution of blood flow away from resting skeletal muscles does not occur during anemic hypoxia even when whole body oxygen uptake is not maintained. In the present study, the effects of sympathetic nerve stimulation on both skeletal muscle and hindlimb blood flow were studied prior to and during anemia in anesth...

journal_title：Canadian journal of physiology and pharmacology

authors： Kubes P,Chapler CK,Cain SM

更新日期：1988-02-01 00:00:00

abstract：:To investigate the capacity of efferent sympathetic neurons to modulate the failing heart, stellate ganglion stimulation was performed in dogs with biventricular heart failure induced by rapid ventricular pacing (240 beats/min) for 4-6 weeks. Less noradrenaline was released from cardiac myoneural junctions into corona...

journal_title：Canadian journal of physiology and pharmacology

authors： Cardinal R,Nadeau R,Laurent C,Boudreau G,Armour JA

更新日期：1996-09-01 00:00:00

abstract：:This study was designed to determine if tonic beta-adrenergic control of plasma renin activity (PRA) during dietary sodium restriction is due to stimulation of renal beta-adrenoceptors, extrarenal beta-adrenoceptors, or both. Experiments were performed in six conscious resting uninephrectomized dogs with chronically i...

journal_title：Canadian journal of physiology and pharmacology

authors： Blair ML,Gengo FM

更新日期：1995-08-01 00:00:00

abstract：:Neuropeptide Y (NPY(1-36)), a sympathetic cotransmitter and neurohormone, has pleiotropic activities ranging from the control of obesity to anxiolysis and cardiovascular function. Its actions are mediated by multiple Gi/o-coupled receptors (Y1-Y5) and modulated by dipeptidyl peptidase IV (DPPIV/cd26), which inactivate...

journal_title：Canadian journal of physiology and pharmacology

authors： Zukowska Z,Pons J,Lee EW,Li L

更新日期：2003-02-01 00:00:00

abstract：:Carbon monoxide (CO), a vasodilator, has been implicated as an activator of soluble guanylyl cyclase (sGC) to effect smooth muscle relaxation; however, this idea has not received universal support. The purpose of this study was to examine the effects of the sGC inhibitor 1H-[1,2,4]oxadiazolo[4,3-alpha]quinoxalin-1-one...

journal_title：Canadian journal of physiology and pharmacology

authors： Hussain AS,Marks GS,Brien JF,Nakatsu K

更新日期：1997-08-01 00:00:00

abstract：:To elucidate the mechanism of enhanced insulin sensitivity by muscle after exercise, we studied insulin binding, 2-deoxy-D-[1-14C]glucose (2-DOG) uptake and [5-3H]glucose utilization in glycolysis and glycogenesis in soleus and extensor digitorum longus (EDL) muscles of mice after 60 min of treadmill exercise. In the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Bonen A,Tan MH,Watson-Wright WM

更新日期：1984-12-01 00:00:00

abstract：:To determine if increased endometrial vascular permeability (a response which precedes decidualization) could be obtained in temporally nonsensitized uteri by treatments designed to increase endometrial adenosine 3':5'-cyclic monophosphate (cAMP) concentrations, cholera toxin (an activator of adenylate cyclase) was in...

journal_title：Canadian journal of physiology and pharmacology

authors： Johnston ME,Kennedy TG

更新日期：1985-09-01 00:00:00

abstract：:Changes in electrical potential difference and sodium-potassium ATPase activity of rectal mucosa in dogs were examined before and after jejunal-ileal bypass surgery. The potential difference in the postoperative period was significantly higher (P less than 0.05) than the preoperative value. The potential difference in...

journal_title：Canadian journal of physiology and pharmacology

authors： Grahame GR,Shoenut JP,Takeo S,Sharma GP

更新日期：1983-05-01 00:00:00

abstract：:Epinephrine caused hyperglycemia in part by increasing gluconeogenesis. However, the mechanism of its gluconeogenic effects has not been studied in ruminants. This study was undertaken to examine the effect of epinephrine on the net hepatic uptake of selected glucose precursors in sheep. The major abdominal blood vess...

journal_title：Canadian journal of physiology and pharmacology

authors： Brockman RP

更新日期：1991-04-01 00:00:00

abstract：:Diazinon (DZN) is a common organophosphorus insecticide extensively used for agriculture and veterinary purposes. DZN toxicity is not limited to insects; it also induces harmful effects in mammals and birds. Our experiment evaluated the protective and antioxidant potential of sesame oil (SO) and (or) alpha-lipoic acid...

journal_title：Canadian journal of physiology and pharmacology

authors： Abdel-Daim MM,Taha R,Ghazy EW,El-Sayed YS

更新日期：2016-01-01 00:00:00

abstract：:We examined the interaction of smooth muscle myosin with alpha-actin and beta-actin isoforms during the contraction of A7r5 smooth muscle cells and rat aortic smooth muscle. The techniques of confocal microscopy and fluorescence resonance energy transfer (FRET) analysis were utilized in examining A7r5 cells and rat ao...

journal_title：Canadian journal of physiology and pharmacology

authors： Black J,Dykes A,Thatcher S,Brown D,Bryda EC,Wright GL

更新日期：2009-05-01 00:00:00

abstract：:The mesangial cell is a contractile secreting cell found in a key position in the renal glomerulus. Several kidney and systemic diseases are associated with dysfunctions of the mesangial cells. We compared the effect of bradykinin (BK; B2 agonist) and des-Arg9-bradykinin (DBK; B1 agonist) on intracellular calcium mobi...

journal_title：Canadian journal of physiology and pharmacology

authors： Girolami JP,Ouardani M,Bascands JL,Pécher C,Bompart G,Leung-Tack J

更新日期：1995-07-01 00:00:00

abstract：:The guanylin family of peptides has 3 subclasses of peptides containing either 3 intramolecular disulfide bonds found in bacterial heat-stable enterotoxins (ST), or 2 disulfides observed in guanylin and uroguanylin, or a single disulfide exemplified by lymphoguanylin. These peptides bind to and activate cell-surface r...

journal_title：Canadian journal of physiology and pharmacology

authors： Fonteles MC,do Nascimento NR

更新日期：2011-08-01 00:00:00

abstract：:Glucagon causes marked elevations of glomerular filtration rate (GFR) in dogs when administered intravenously (i.v.) in small doses. The associated natriuresis is thought to be entirely due to increments in the filtered sodium load. In this study, renal denervation, thyroparathyroidectomy, and blockade of cholinergic,...

journal_title：Canadian journal of physiology and pharmacology

authors： Levy M

更新日期：1975-02-01 00:00:00

abstract：:Previously, we reported that thromboxane A2 (TxA2) mediates heart rate, adrenocorticotropin (ACTH), cortisol, and blood gas responses, although the specific site of action was not identified. In the present study, we interrupted vagal nervous transmission in chronically instrumented conscious sheep and infused the TxA...

journal_title：Canadian journal of physiology and pharmacology

authors： Cudd TA

更新日期：1998-12-01 00:00:00

abstract：:Both the kidney and colon secrete bicarbonate and transport water and electrolytes. The respective contributions of these two organs to acid-base and electrolyte balance in normal man has thus been studied in eight healthy male volunteers who underwent simultaneous renal clearance studies, and colonic perfusion with a...

journal_title：Canadian journal of physiology and pharmacology

authors： Crepeau R,Romeder JM,Devroede G,Plante GE

更新日期：1977-02-01 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：:The level of circulating triacylglycerols is determined by the balance between their delivery into the plasma and their removal from it. Plasma triacylglycerols are derived either from dietary fat as chylomicrons or from endogenous hepatic synthesis as very low density lipoproteins. Their removal occurs through the ac...

journal_title：Canadian journal of physiology and pharmacology

authors： Herzberg GR

更新日期：1991-11-01 00:00:00

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：: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：: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：:The effects of 5-hydroxytryptamine (5-HT) on spinal motoneurons were examined in pentobarbital-anaesthetized cats and in nonanaesthetized decerebrate cats by intracellular recording and extracellular iontophoresis of 5-HT. 5-HT first induced a depolarization and then a long-lasting hyperpolarization (up to 60 min) wit...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhang L

更新日期：1991-02-01 00:00:00

abstract：:Most cardiac diseases are associated with fibrosis. Calcineurin (CaN) is regulated by Ca(2+)/calmodulin (CaM). The CaN-NFAT (nuclear factor of activated T cell) pathway is involved in the process of cardiac diseases, such as cardiac hypertrophy, but its effect on myocardial fibrosis remains unclear. The present study ...

journal_title：Canadian journal of physiology and pharmacology

authors： Chen QQ,Zhang W,Chen XF,Bao YJ,Wang J,Zhu WZ

更新日期：2012-12-01 00:00:00

abstract：:Electrophysiological studies were performed on slowly adapting cells of the crayfish (Astacus astacus) stretch receptor to examine some aspects of the operation of the sodium pump. Intracellular sodium activity (aiNa) and pH (pHi) were measured with liquid ion exchanger microelectrodes and the effects of NH3/NH+4 were...

journal_title：Canadian journal of physiology and pharmacology

authors： Moser H

更新日期：1987-02-01 00:00:00

abstract：:In 2-kidney, 1-clip hypertensive rats, the time course of changes in blood pressure (BP), heart rate, activity of the sympathetic nervous system and the renin-angiotensin system, plasma and blood volumes, left ventricular (LV) and right ventricular (RV) weight, and LV dimensions were evaluated during treatment with hy...

journal_title：Canadian journal of physiology and pharmacology

authors： Tsoporis J,Leenen FH

更新日期：1986-12-01 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：:The mesenteric vascular bed preparation of control and pinealectomized (PX) male Wistar rats was used to examine vascular reactivity to two concentrations each of norepinephrine, serotonin, angiotensin, and potassium. Vasoconstrictor responses to 50- and 100-ng injections of norepinephrine and 0.5- and 1.0-microgram i...

journal_title：Canadian journal of physiology and pharmacology

authors： Cunnane SC,Manku MS,Oka M,Horrobin DF

更新日期：1980-03-01 00:00:00

abstract：:Hepatotoxicity and nephrotoxicity are important drawbacks of cisplatin. The objective of this study is to evaluate the ability of ambroxol in 2 different doses (35 and 70 mg/kg, i.p.) to protect liver and kidney from damage induced by a single dose of cisplatin (10 mg/kg, i.p.) in comparison with N-acetylcysteine (250...

journal_title：Canadian journal of physiology and pharmacology

authors： Bishr A,Sallam N,Nour El-Din M,Awad AS,Kenawy SA

更新日期：2019-01-01 00:00:00

abstract：:The our objective was to investigate the adaptations induced by a low-protein, high-carbohydrate (LPHC) diet in growing rats, which by comparison with the rats fed a control (C) diet at displayed lower fasting glycemia and similar fasting insulinemia, despite impairment in insulin signaling in adipose tissues. In the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Pereira MP,Buzelle SL,Batistela E,Doneda DL,França SA,Santos MP,Andrade CM,Garófalo MA,Kettelhut Ido C,Navegantes LC,Chaves VE,Bertolini GL,Kawashita NH

更新日期：2014-06-01 00:00:00