Influence of sodium intake on catecholamine release by angiotensin and renal nerve stimulation in dogs.

abstract：:The sarco(endo)plasmic reticulum calcium ATPase (SERCA) is responsible for transporting calcium (Ca(2+)) from the cytosol into the lumen of the sarcoplasmic reticulum (SR) following muscular contraction. The Ca(2+) sequestering activity of SERCA facilitates muscular relaxation in both cardiac and skeletal muscle. Ther...

journal_title：Canadian journal of physiology and pharmacology

authors： Stammers AN,Susser SE,Hamm NC,Hlynsky MW,Kimber DE,Kehler DS,Duhamel TA

更新日期：2015-10-01 00:00:00

abstract：:Amiodarone is a new antiarrhythmic drug, commonly coadministered with digoxin in various cardiac disorders. Amiodarone caused a 10-fold increase of serum digoxin in rats, when the two drugs were simultaneously administered. Amiodarone significantly reduced digoxin uptake by renal cortical slices in the rat, and failed...

journal_title：Canadian journal of physiology and pharmacology

authors： Koren G,Soldin S,Macleod SM

更新日期：1983-12-01 00:00:00

abstract：:The present study investigates the antidiabetogenic effects of Murraya koenigii (L.) Spr. and Ocimum tenuflorum L. on streptozotocin-induced diabetic Swiss mice. Treatment with extracts of M. koenigii (chloroform; MKC) and O. tenuflorum (aqueous; OTA) resulted in proper glucose utilization with an increase in liver gl...

journal_title：Canadian journal of physiology and pharmacology

authors： Dusane MB,Joshi BN

更新日期：2012-03-01 00:00:00

abstract：:The utilization of triacylglycerol in slow oxidative, fast oxidative-glycolytic, and fast glycolytic skeletal muscle fiber types was examined in rats subjected to a prolonged exhaustive swim. Significant reductions of intramuscular triacylglycerol occurred following 2 h and 40 min of swimming in all muscles containing...

journal_title：Canadian journal of physiology and pharmacology

authors： Spriet LL,Peters SJ,Heigenhauser GJ,Jones NL

更新日期：1985-06-01 00:00:00

abstract：:The lysosomal protease cathepsin D increased markedly in brown adipocytes during differentiation in primary cultures. Differentiated cells had 20 times the amount of immunoreactive cathepsin D found in preadipocytes. Cathepsin D mRNA, as estimated by relative RT-PCR, was also present in higher amounts in differentiate...

journal_title：Canadian journal of physiology and pharmacology

authors： Moazed B,Desautels M

更新日期：2002-06-01 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：: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：:Transactivation of epidermal growth factor receptor (EGFR) is a well-documented mechanism by which vasoactive peptides and H2O2 elicit their cellular responses. However, a role for the insulin-like growth factor type-1 receptor (IGF-1R) transactivation in mediating the effects of angiotensin II (Ang II) and H2O2 in va...

journal_title：Canadian journal of physiology and pharmacology

authors： Azar ZM,Mehdi MZ,Srivastava AK

更新日期：2007-01-01 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：:A new approach for the purification of rat mesenteric arterial bed (MAB) elastase-2 has been developed using the chromogenic substrates N-succinyl-Ala-Ala-Pro-Phe-p-nitroanilide and N-succinyl-Ala-Ala-Pro-Leu-p-nitroanilide to monitor the enzymatic activity during various stages of purification. The purified enzyme wa...

journal_title：Canadian journal of physiology and pharmacology

authors： Santos CF,Greene AS,Salgado MC,Oliveira EB

更新日期：2004-11-01 00:00:00

abstract：:A knowledge of the mechanical properties of valve tissue is a necessary prerequisite for a better understanding of valvular behavior and design of prosthetic heart valves. Elastic response of chordae tendineae under strain rates of 0.05 cm min(-1)(6.25% min(-1)) to 12.7 cm min(-1)(1600% min(-1)) were obtained by the a...

journal_title：Canadian journal of physiology and pharmacology

authors： Lim KO,Boughner DR

更新日期：1975-06-01 00:00:00

abstract：:Benzodiazepine binding to brain membrane preparations obtained from epileptic and nonepileptic carrier fowl was compared. [3H]Flunitrazepam binding to whole brain homogenates from 2-day-old chicks and [3H]diazepam binding to synaptosomal membranes and homogenates from adult chickens were determined. Scatchard analysis...

journal_title：Canadian journal of physiology and pharmacology

authors： Fisher TE,Davis LG,Tuchek JM,Johnson DD,Crawford RD

更新日期：1985-02-01 00:00:00

abstract：:A possible implication of endogenously released ATP and (or) ADP in insulin response to glucose stimulation was investigated in the isolated rat pancreas. The first phase of insulin response to the same glucose concentration (8.3 mM) was much higher in pancreas previously perfused in the absence of glucose than in pan...

journal_title：Canadian journal of physiology and pharmacology

authors： Chapal J,Bertrand G,Hillaire-Buys D,Gross R,Loubatières-Mariani MM

更新日期：1993-08-01 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：:Chronic potassium deficiency in one-kidney one-clip hypertensive dogs significantly reduces blood pressure and plasma potassium, with a simultaneous increase in plasma renin activity. Tissue potassium concentration was decreased and tissue sodium concentration was increased in striated muscle and adrenal glands, which...

journal_title：Canadian journal of physiology and pharmacology

authors： Garcia R,Constantopoulos G,Gutkowska J,Genest J

更新日期：1983-12-01 00:00:00

abstract：:The isolated human vas deferens (HVD) has been the subject of a limited number of pharmacological studies. Furthermore, it has not been established whether the local or general anesthetics used in obtaining the HVD affect the responses of this isolated tissue. Therefore, the aim of this study was to determine if the l...

journal_title：Canadian journal of physiology and pharmacology

authors： Kawamoto JH,Owen JA,Morales A,Nakatsu K

更新日期：1986-04-01 00:00:00

abstract：:Hearts from rats pretreated either with L-triiodothyronine (T3) or with L-thyroxine (T4) exhibited changed function curve characteristics on the working heart apparatus compared with hearts from vehicle-treated rats. There was no supersensitivity of the hyperthyroid myocardium to the inotropic effect of isoproterenol ...

journal_title：Canadian journal of physiology and pharmacology

authors： Marriott ML,McNeill JH

更新日期：1983-11-01 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：:Tension responses to ramp shortening of varying speed in whole muscle or single fibres from the plateau of an isometric tetanus, revealed at least two distinct phases. There was a fast initial drop in tension followed by a change of slope and a definite inflexion on the tension record. As the velocity of the imposed l...

journal_title：Canadian journal of physiology and pharmacology

authors： Bressler BH

更新日期：1985-12-01 00:00:00

abstract：:The rat atrium contains a potent natriuretic factor which appears to inhibit the sodium reabsorption in the collecting tubules of the kidneys. We examined the effects of the injection of partially purified atrial natriuretic factor (ANF) and synthetic ANF (8-33) into rats with simultaneous infusions of dextrose or apr...

journal_title：Canadian journal of physiology and pharmacology

authors： Thibault G,Garcia R,Cantin M,Genest J

更新日期：1984-06-01 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：:Acrolein, a highly reactive alpha,beta-unsaturated aldehyde, is an omnipresent environmental pollutant. Chronic and acute human exposures occur through exogenous and endogenous sources, including food, vapors of overheated cooking oil, house and forest fires, cigarette smoke, and automobile exhaust. Acrolein is a toxi...

journal_title：Canadian journal of physiology and pharmacology

authors： Roy J,Pallepati P,Bettaieb A,Averill-Bates DA

更新日期：2010-03-01 00:00:00

abstract：:Total renal blood flow, glomerular filtration rate, and renal excretory function were determined in anesthetized rats treated with intravenous infusion of ethacrynic acid, 0.36 mg.min-1.kg-1, alone or in combination with cysteine. Simultaneously, the corticomedullary electrolyte gradient was evaluated in vivo from mea...

journal_title：Canadian journal of physiology and pharmacology

authors： Kompanowska-Jezierska E,Dobrowolski L,Sadowski J

更新日期：1990-09-01 00:00:00

abstract：:Cardiac adenosine receptors are coupled to adenylate cyclase inhibition. In the guinea pig heart, the relative agonist potencies observed for adenylate cyclase inhibition were R-N6-phenylisopropyladenosine (R-PIA) = N6-cyclohexyladenosine greater than 5'-N-ethylcarboxamidoadenosine much greater than S-PIA. In both atr...

journal_title：Canadian journal of physiology and pharmacology

authors： Leung E,Woodcock EA

更新日期：1986-12-01 00:00:00

abstract：:ARHGAP21 is a Rho-GAP that controls GTPases activity in several tissues, but its role on liver lipid metabolism is unknown. Thus, to achieve the Rho-GAP role in the liver, control and ARHGAP21-haplodeficient mice were fed chow (Ctl and Het) or high-fat diet (Ctl-HFD and Het-HFD) for 12 weeks, and pyruvate and insulin ...

journal_title：Canadian journal of physiology and pharmacology

authors： Zangerolamo L,Soares GM,Vettorazzi JF,do Amaral ME,Carneiro EM,Olalla-Saad ST,Boschero AC,Barbosa-Sampaio HC

更新日期：2019-11-01 00:00:00

abstract：:The threshold for electrically induced ventricular fibrillation was determined in anesthetized open-chest dogs, before and after blockade of atrioventricular (A-V) conduction. Without exception, the threshold was significantly elevated after creation of the block. The precise mechanism of this effect is not known at t...

journal_title：Canadian journal of physiology and pharmacology

authors： Reynolds AK,Dresel PE

更新日期：1983-09-01 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：:In recent decades, the complexity of the endothelium and its major role in maintaining or altering blood vessel architecture are being revealed. In contrast, the vascular smooth muscle cell previously received the most attention. I suggest support of the hypothesis that the endothelium is the key to vascular disease. ...

journal_title：Canadian journal of physiology and pharmacology

authors： Todd ME

更新日期：1992-04-01 00:00:00

abstract：:A number of parallels can be drawn between the reported endocrine status of thiouracil-fed young rodents and that of aged animals, particularly with regard to the hypothalamus-pituitary-adrenal axis. Since the activity of the adrenal steroidogenic enzyme 3beta-hydroxy-delta5-steroid dehydrogenase (3beta-HSD) has been ...

journal_title：Canadian journal of physiology and pharmacology

authors： Meserve LA,Ting SM

更新日期：1982-01-01 00:00:00

abstract：:Patients with Crohn's disease (CD) have higher risk for osteoporosis following decreased level of osteocalcin. We hypothesize that active inflammation following Mycobacterium avium subsp. paratuberculosis (MAP) infection results in elevation of undercarboxylated osteocalcin (ucOC) and downregulation of active osteocal...

journal_title：Canadian journal of physiology and pharmacology

authors： Naser A,Qasem A,Naser SA

更新日期：2018-07-01 00:00:00