Is weight loss an effective treatment for hypertension? The evidence against.

abstract：:Vanadium (V) as sodium orthovanadate induces an increase in lipid peroxidation in the kidneys after a single subcutaneous or intraperitoneal injection to rats or mice. The rate of malondialdehyde (MDA) formation, an index of lipid peroxidation, by kidney homogenates increased by more than 100% 1 h after injection. Chr...

journal_title：Canadian journal of physiology and pharmacology

authors： Donaldson J,Hemming R,LaBella F

更新日期：1985-03-01 00:00:00

abstract：:We compared the determinants of spontaneous activity in explanted neonatal (2-day-old) rat ventricle cells and in reaggregates derived from 15-day-old chick embryos. We studied the beating rate with an optical recording method and the underlying electrical activity with glass microelectrodes using the K current blocke...

journal_title：Canadian journal of physiology and pharmacology

authors： Schanne OF,Boutin L,Derosiers J

更新日期：1989-07-01 00:00:00

abstract：:The response pattern of the isolated longitudinal muscle of the rabbit ileum to adenosine-5'-alpha, beta-methylenediphosphonate (APCP) was found to differ from that caused by adenosine or ATP in that the rapid initial phase of relaxation is absent and that at doses above 10 muM a secondary increase of contractile acti...

journal_title：Canadian journal of physiology and pharmacology

authors： Frew R,McKenzie SG,Bär HP,Hutchison KJ

更新日期：1976-08-01 00:00:00

abstract：:Continuous exposure to nitroglycerin (GTN) results in development of tolerance and is associated with increased free radical production and abnormal endothelial function. Elevated plasma biomarkers of inflammation have been shown to be associated with endothelial dysfunction in most cardiovascular conditions. It remai...

journal_title：Canadian journal of physiology and pharmacology

authors： Thomas GR,DiFabio JM,Gori T,Jenkins DJ,Parker JD

更新日期：2009-06-01 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

abstract：:Nitric oxide (NO) production occurs through oxidation of the amino acid L-arginine by NO synthase (NOS). NO inhibits platelet activation by increasing the levels of cyclic guanosine monophosphate (cGMP), thus maintaining vascular homeostasis. Our group previously demonstrated (da Silva et al. 2005) an enhancement of t...

journal_title：Canadian journal of physiology and pharmacology

authors： Siqueira MA,Brunini TM,Pereira NR,Martins MA,Moss MB,Santos SF,Lugon JR,Mendes-Ribeiro AC

更新日期：2011-02-01 00:00:00

abstract：:Malnutrition and inflammation are associated with end-stage renal disease (ESRD). Interleukin (IL)-6 and tumor necrosis factor alpha (TNF-alpha) powerfully predict death from cardiovascular disease. The aim of our study was to establish an association between markers of inflammation and parameters of malnutrition in p...

journal_title：Canadian journal of physiology and pharmacology

authors： Perunicic-Pekovic G,Pljesa S,Rasic-Milutinovic Z,Stankovic S,Ilic M,Maletic R

更新日期：2008-04-01 00:00:00

abstract：:To determine the effects of chronic hyperinsulinemia on glucagon release, rats were made hyperinsulinemic for 14 days by supplementation of drinking water with sucrose (10%; sucrose-fed) to increase endogenous release or by implantation of osmotic minipumps (subcutaneous, s.c.; or intraperitoneal, i.p.) to deliver exo...

journal_title：Canadian journal of physiology and pharmacology

authors： Brubaker PL,Kazumi T,Hirano T,Vranic M,Steiner G

更新日期：1991-03-01 00:00:00

abstract：:Our objective was to investigate the effects of chronic excess iodine intake on thyroid functions and thyroid oxidative stress state in hypothyroid rats. Sixty rats were divided into euthyroid and hypothyroid (thiocyanate-induced) groups with or without administration of excess iodine (3000 or 6000 μg/L) for 8 weeks. ...

journal_title：Canadian journal of physiology and pharmacology

authors： Hussein Ael-A,Abbas AM,El Wakil GA,Elsamanoudy AZ,El Aziz AA

更新日期：2012-05-01 00:00:00

abstract：:A brief burst of electrical stimuli delivered to the vagus nerve during the cardiac cycle elicits a triphasic cardiac chronotropic response. The cardiac cycle length initially increases, then briefly decreases, and subsequently increases again. We studied the effects of a calcium channel blocking agent, verapamil, on ...

journal_title：Canadian journal of physiology and pharmacology

authors： Wallick DW,Stuesse SL,Valencic F,Fratianne RB

更新日期：1986-07-01 00:00:00

abstract：:Activity-related transient changes in extracellular K+ concentration ([K+]c), extracellular pH (pHc), and extracellular volume (EC volume) were studied by means of ion-selective microelectrodes in the adult rat spinal cord in vivo and in neonatal rat spinal cords isolated from pups 3-14 days of age. Repetitive electri...

journal_title：Canadian journal of physiology and pharmacology

authors： Syková E,Jendelová P,Svoboda J,Chvátal A

更新日期：1992-01-01 00:00:00

abstract：:Thymic stromal lymphopoietin (TSLP) was reported to induce mast cell proliferation and aggravate allergic reactions through activation of mouse double minute 2 (MDM2). We aimed to ascertain that β-sitosterol (SI), which is one of the several phytosterols found mostly in foods, would regulate TSLP-induced mast cell pro...

journal_title：Canadian journal of physiology and pharmacology

authors： Han NR,Kim HM,Jeong HJ

更新日期：2015-11-01 00:00:00

abstract：:Longitudinal muscle of myometrial tissues from immature rats were examined by quantitative thin section electron microscopy for the presence of gap junctions after treatment with estradiol with and without tamoxifen, and cycloheximide for 1-6 days. Gap junctions were present between myometrial cells on days 4, 5, and ...

journal_title：Canadian journal of physiology and pharmacology

authors： MacKenzie LW,Garfield RE

更新日期：1986-06-01 00:00:00

abstract：:The effect of oleate (0.3 and 1.2 mM) and the combined effect of beta-hydroxybutyrate (4 and 8 mM) and acetoacetate (1 and 2 mM) on rates of lipolysis (glycerol output) was determined with calcium-tolerant myocytes isolated from the hearts of normal rats and hearts from acutely (2-3 days; 100 mg/kg streptozotocin) dia...

journal_title：Canadian journal of physiology and pharmacology

authors： Larsen TS,Severson DL

更新日期：1990-09-01 00:00:00

abstract：:Autophagy regulates cellular homeostasis and integrates the cellular pro-survival machinery. We investigated the role of autophagy in the natural history of murine abdominal aortic aneurysms (AAA). ApoE(-/-) mice were implanted with saline- or angiotensin II (Ang-II)-filled miniosmotic pumps then treated with either t...

journal_title：Canadian journal of physiology and pharmacology

authors： Ramadan A,Wheatcroft MD,Quan A,Singh KK,Lovren F,Dhingra N,Teoh H,Al-Omran M,Leong-Poi H,Verma S

更新日期：2015-08-01 00:00:00

abstract：:A brief summary is given of some of the key points of the individual contributions at this International Brain Research Organization satellite meeting, presenting up-to-date, expert knowledge of energy metabolism, ionic turnover, and cell swelling at the cellular level of the mammalian central nervous system. On the b...

journal_title：Canadian journal of physiology and pharmacology

authors： Hertz L,Code WE,Sykova E

更新日期：1992-01-01 00:00:00

abstract：:The effects of the dopamine type-2 receptor (D-2) antagonist domperidone on pituitary and brain amine concentrations and serum gonadotropin levels in the goldfish were investigated. Domperidone caused a long-lasting, dose-dependent depletion of dopamine in the goldfish pituitary. Pituitary concentrations of 5-hydroxyt...

journal_title：Canadian journal of physiology and pharmacology

authors： Sloley BD,Trudeau VL,Dulka JG,Peter RE

更新日期：1991-06-01 00:00:00

abstract：:Experiments in right atria isolated from adult male rats were designed to determine which of the alpha 1-adrenergic receptor (alpha 1-AR) subtypes are involved in the positive chronotropic effect of phenylephrine, an alpha 1-AR agonist. Chloroethylclonidine (CEC), an irreversible alpha 1b-, alpha 1c-, and alpha 1d-AR ...

journal_title：Canadian journal of physiology and pharmacology

authors： Williamson AP,Seifen E,Lindemann JP,Kennedy RH

更新日期：1994-12-01 00:00:00

abstract：:Acetylcholine (ACh) is an important regulator of intestinal epithelial ion transport via muscarinic or nicotinic ACh receptors. Previous studies emphasize the role of the M3 muscarinic receptor subtype in mediating the effects of cholinergic agonists on intestinal ion transport. With the prevalence of mouse models to ...

journal_title：Canadian journal of physiology and pharmacology

authors： Hirota CL,McKay DM

更新日期：2006-11-01 00:00:00

abstract：:Infarct-like lesion induced by isoprenaline is a well-known model to study myocardial infarction (MI). Vitamin D has been shown to have anti-inflammatory and antioxidant effects. Recent studies highlighted cross talk between vitamin D and peroxisome proliferator-activated receptor gamma (PPAR-γ). The present study was...

journal_title：Canadian journal of physiology and pharmacology

authors： El-Gohary OA,Allam MM

更新日期：2017-06-01 00:00:00

abstract：:The blood volume of anesthetized rats was expanded acutely by 33% with donor blood while a caval snare was gradually tightened so that right atrial pressure (RAP) was prevented from rising (n = 6). In control experiments (n = 5) an aortic snare was used to hold mean arterial blood pressure near the values found in the...

journal_title：Canadian journal of physiology and pharmacology

authors： Ackermann U,Rudolph JR

更新日期：1984-07-01 00:00:00

abstract：:Our previous studies have suggested that GATA-4 increases the differentiation of bone-marrow-derived mesenchymal stem cells (MSCs) into cardiac phenotypes. This study further investigated whether GATA-4 enhances MSC-mediated cardioprotection following hypoxia. MSCs were harvested from rat bone marrow and transduced wi...

journal_title：Canadian journal of physiology and pharmacology

authors： Li HX,Zhou YF,Zhao X,Jiang B,Yang XJ

更新日期：2014-08-01 00:00:00

abstract：:This study examined whether the effects of FK506-binding protein dissociation from sarcoplasmic reticulum (SR) Ca(2+) release channels on excitation-contraction (EC) coupling changed when SR Ca(2+) reuptake and (or) the trans-sarcolemmal Ca(2+) extrusion were altered. The steady-state twitch Ca(2+) transient (CaT), ce...

journal_title：Canadian journal of physiology and pharmacology

authors： Yoshihara S,Satoh H,Saotome M,Katoh H,Terada H,Watanabe H,Hayashi H

更新日期：2005-04-01 00:00:00

abstract：:In vitro coronary artery responsiveness to angiotensin I, angiotensin II, noradrenaline, phenylephrine, BHT 920, and potassium chloride together with functional relaxation to acetylcholine was investigated in dogs with pacing-induced heart failure treated with enalapril (oral administration of 10 mg.day-1) for a mean ...

journal_title：Canadian journal of physiology and pharmacology

authors： Forster C,Larosa G,Armstrong PW

更新日期：1992-10-01 00:00:00

abstract：:Curare action on nicotinic acetylcholine receptors has a number of facets, of which the best known is competitive antagonism. Here we describe the weak agonist action of 10(-5) M curare on the murine skeletal muscle cell line, G8. Although curare induces no depolarization in G8 cells, single-channel recordings reveal ...

journal_title：Canadian journal of physiology and pharmacology

authors： Morris CE,Montpetit MR,Sigurdson WJ,Iwasa K

更新日期：1989-02-01 00:00:00

abstract：:In vivo assessment of treatment efficacy on postinfarct left ventricular (LV) remodeling is crucial for experimental studies. We examined the technical feasibility of serial magnetic resonance imaging (MRI) for monitoring early postinfarct remodeling in rats. MRI studies were performed with a 7-Tesla unit, 1, 3, 8, 15...

journal_title：Canadian journal of physiology and pharmacology

authors： Prunier F,Marescaux L,Franconi F,Thia A,Legras P,Lejeune JJ,Furber A

更新日期：2005-12-01 00:00:00

abstract：:Radioactively labelled microspheres (15 micron diameter) were used to measure cardiac output (CO) distribution and blood flows in spleen, kidneys, and skeletal muscle before and after normovolemic anemia or polycythemia in anesthetized rats. Hematocrits were changed from 45 to 33% or from 45 to 59% by an exchange tran...

journal_title：Canadian journal of physiology and pharmacology

authors： Ackermann U,Veress AT

更新日期：1980-04-01 00:00:00

abstract：:The aim of this study was to explore the possibility of identifying clusters of children's games based on estimated energy expenditures and (or) intensity when performed in a guided active play format. The study also investigated whether the identified active play game clusters were repeatable when the games were perf...

journal_title：Canadian journal of physiology and pharmacology

authors： Belcastro AN,Morrison KS,Hicks E,Matta H

更新日期：2012-09-01 00:00:00

abstract：:Adult rats treated with high doses of streptozocin became progressively more hyperglycemic during the first month of the diabetic condition. Treatment of these rats with the sulfonylurea glyburide halted, and in some cases, reversed this process in a high percentage of the diabetics. Associated with the glyburide-medi...

journal_title：Canadian journal of physiology and pharmacology

authors： Mozaffari MS,Wilson GL,Schaffer SW

更新日期：1988-12-01 00:00:00

abstract：:Using immunofluorescence and real 3-D confocal microscopy, our results showed the presence of ET-1, ETA, and ETB receptors in isolated human aortic vascular endothelial cells (hVECs). The level of the peptide and its receptors was significantly higher in the nucleus (including the nuclear envelope membranes) than in t...

journal_title：Canadian journal of physiology and pharmacology

authors： Avedanian L,Riopel J,Bkaily G,Nader M,D'Orleans-Juste P,Jacques D

更新日期：2010-08-01 00:00:00