Physiological involvement of placental endothelin-1 and prostaglandin F2alpha in uteroplacental circulatory disturbance in pregnant rats exposed to heat stress.

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：:Cyclic AMP formation from ATP was stimulated by unpurified and partially purified soluble hepatic guanylate cyclase in the presence of nitric oxide (NO) or compounds containing a nitroso moiety such as nitroprusside, N-methyl-N-nitro-N-nitrosoguanidine (MNNG), nitrosyl ferroheme, and S-nitrosothiols. Cyclic AMP format...

journal_title：Canadian journal of physiology and pharmacology

authors： McNamara DB,Kadowitz PJ,Hyman AL,Ignarro LJ

更新日期：1980-12-01 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：:After myocardial infarction, the hemodynamics under basal conditions might appear to be unaltered, which makes it difficult to identify cardiac dysfunction by the usual approaches. Thus, we tested the response to sudden afterload stress in infarcted rats with apparently normal ejection function. Control (CT) and infar...

journal_title：Canadian journal of physiology and pharmacology

authors： dos Santos L,Antonio EL,Souza AF,Tucci PJ

更新日期：2010-07-01 00:00:00

abstract：:Chrysin (CH) is a natural flavonoid with pharmacological influences. The purpose of the current study was the assessment of possible protective effects of CH against oxidative damage in the serum, liver, brain, and pancreas of streptozotocin (STZ)- induced diabetic rats. In the present study, the rats were divided int...

journal_title：Canadian journal of physiology and pharmacology

authors： Samarghandian S,Azimi-Nezhad M,Samini F,Farkhondeh T

更新日期：2016-04-01 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is one of the most life-threatening cancers. The present study was designed to chronologically analyze the HCC chemically induced by diethylnitrosamine (DEN) in male Wistar rats during a 27-week period. DEN was given to rats in drinking water (100 mg/L) to induce HCC. In the present stud...

journal_title：Canadian journal of physiology and pharmacology

authors： Fathy AH,Bashandy MA,Bashandy SAE,Mansour AM,Elsadek B

更新日期：2017-12-01 00:00:00

abstract：:Cetamolol, a new beta-adrenoceptor blocker with partial agonist activity and cardioselectivity, was studied in vivo to determine its membrane-stabilizing effects. Comparisons were carried out with atenolol, pindolol, practolol, propranolol, timolol, dexpropranolol, lidocaine, and procaine. The following results indica...

journal_title：Canadian journal of physiology and pharmacology

authors： Beaulieu G,Jaramillo J,Cummings JR

更新日期：1984-03-01 00:00:00

abstract：:Hypothermia increases the sensitivity of isolated cardiac muscle to stimulation by beta-adrenoceptor agonists. The purpose of this study was to determine pharmacologically whether this supersensitivity is associated with a change in the affinity of agonists for the receptor. The positive inotropic and chronotropic res...

journal_title：Canadian journal of physiology and pharmacology

authors： Broadley KJ,McNeill JH

更新日期：1983-06-01 00:00:00

abstract：:This study has investigated the oral activity, following intragastric administration, of three potent and long-acting peptide-based bradykinin antagonists, HOE-140, B9430, and CP-0597, in the anesthetized rat, using bradykinin-induced hypotension. Two of the three bradykinin antagonists, B9430 and HOE-140, but not CP-...

journal_title：Canadian journal of physiology and pharmacology

authors： Whalley ET,Hanson WL,Stewart JM,Gera L

更新日期：1997-06-01 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：: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：:Tea is perceived as more relaxing than coffee, even though both contain caffeine. L-theanine in tea may account for the difference. Consumed together, caffeine and theanine exert similar cognitive effects to that of caffeine alone, but exert opposite effects on arousal, in that caffeine accentuates and theanine mitiga...

journal_title：Canadian journal of physiology and pharmacology

authors： Giles GE,Mahoney CR,Brunyé TT,Taylor HA,Kanarek RB

更新日期：2017-01-01 00:00:00

abstract：:The kinetics of sodium gradient dependent phosphate uptake by the renal brush border membrane vesicles of the rat have ben studied under various conditions of temperature and pH. From 7 to 30 degrees C the Lineweaver-Burk plots are linear, and the apparent Km progressively increases from 54 to 91 microM. Above 30 degr...

journal_title：Canadian journal of physiology and pharmacology

authors： Brunette MG,Beliveau R,Chan M

更新日期：1984-02-01 00:00:00

abstract：:The active form of vitamin D3, 1α,25-dihydroxyvitamin D3 (1α,25(OH)2D3 or calcitriol), is known to inhibit the proliferation and invasiveness of many types of cancer cells, including breast, colon, pancreatic, prostate, and liver cancer cells. These findings support the use of 1α,25(OH)2D3 for the treatment of these t...

journal_title：Canadian journal of physiology and pharmacology

authors： Matsumoto Y,Kittaka A,Chen TC

更新日期：2015-05-01 00:00:00

abstract：:The heat production (HP), heart rate (HR), respiration rate, rumen motility, and body temperature responses to 2.5-h adrenaline (A) and noradrenaline (NA) intrajugular infusions at 0.00, 0.15, 0.30, 0.60, and 0.90 micrograms.kg-1.min-1 were studied in 10 shorn wethers which had been chronically (3-8 weeks) exposed to ...

journal_title：Canadian journal of physiology and pharmacology

authors： Graham AD,Christopherson RJ

更新日期：1981-09-01 00:00:00

abstract：:This study sought to understand the effects of vitronectin (VTN) on the growth of SMMC-7721 hepatoma cells. In addition, this study examined how VTN inhibits the induction of apoptosis in SMMC-7721 cells by 3,3'-diindolylmethane (DIM), a metabolite of natural phytochemicals, and preliminarily investigated the signalin...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhu W,Liu Y,Hu K,Li W,Chen J,Li J,Yang G,Wu J,Liang X,Fu C,Hu Q

更新日期：2014-05-01 00:00:00

abstract：:To clarify the beneficial effects of cilnidipine, an L- and N-type calcium channel blocker, which were clinically observed against diastolic dysfunction in hypertrophied hearts of hypertensive patients, we investigated the effects of cilnidipine on cardiac remodeling and enhanced gene expression in stroke-prone, spont...

journal_title：Canadian journal of physiology and pharmacology

authors： Takemori K,Ishida H,Dote K,Yamamoto K,Ito H

更新日期：2005-08-01 00:00:00

abstract：:Rats were fed on a diet containing 1% beta-guanidinopropionate (Gp) to deplete their muscles of creatine. The apparent energy reserves (creatine phosphate (CrP) + ATP) of rested state diaphragm muscle strips were found to be 79% depleted by this treatment. To determine if the effective energy reserves for contraction ...

journal_title：Canadian journal of physiology and pharmacology

authors： Mainwood GW,Alward M,Eiselt B

更新日期：1982-02-01 00:00:00

abstract：:The ability of dystrophic hamsters to maintain their body temperature despite abnormal muscle and brown adipose tissue, two organs involved in thermoregulation, was evaluated. Dystrophic hamsters (CHF 146) between the ages of 30 and 160 days kept at 21 degrees C had core (rectal) temperatures (TR) that were 0.5-1.5 de...

journal_title：Canadian journal of physiology and pharmacology

authors： Desautels M,Dulos RA,Thornhill JA

更新日期：1985-09-01 00:00:00

abstract：:Administration of d-fenfluramine, a serotonin-releasing drug, to male rats induced a dose-dependent increase in both serum prolactin and corticosterone concentrations. Serum growth hormone levels increased, but not significantly, at a dose of 1.25 mg/kg i.p. and decreased significantly at higher doses. When rats were ...

journal_title：Canadian journal of physiology and pharmacology

authors： Serri O,Rasio E

更新日期：1987-12-01 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

abstract：:MicroRNA-146a (miR-146a) is reportedly implicated in the pathogenesis of ischemia-reperfusion (I/R) injury; however, its role in cerebral I/R injury is unclear and requires further investigation. In this study, cerebral I/R injury was established in mice via middle cerebral artery occlusion, and the expression of miR-...

journal_title：Canadian journal of physiology and pharmacology

authors： Chu B,Zhou Y,Zhai H,Li L,Sun L,Li Y

更新日期：2018-06-01 00:00:00

abstract：:Investigation of the relationship of diet to blood lipids and atherosclerosis has dominated the field of lipid nutritional biochemistry for the past 25 years. Although this subject has consumed considerable time, effort, and research funds, it has also proved beneficial to other areas of lipid biochemistry by attracti...

journal_title：Canadian journal of physiology and pharmacology

authors： Walker BL

更新日期：1983-03-01 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：:Changes in estrogen production are considered important in the sequence of events leading to parturition. We sought tissue-specific changes in the concentration of unconjugated estrone (E1) and estradiol (E2) in intrauterine fetal (amnion, chorion) and maternal (endometrium, myometrium) tissues during normal pregnancy...

journal_title：Canadian journal of physiology and pharmacology

authors： Power SG,Challis JR

更新日期：1987-02-01 00:00:00

abstract：:The enhancement of the response of an isolated strip of lactating mouse mammary gland to oxytocin, resulting from dilution of the Tyrode solution in which oxytocin is administered, is due to the effects of hypotonicity per se and not to changes in concentration of any of the ions in the bathing solution. Inhibition of...

journal_title：Canadian journal of physiology and pharmacology

authors： Ferrier BM

更新日期：1979-03-01 00:00:00

abstract：:In assessing the role that atrial natriuretic peptide (ANP) might have in the homeostasis of fluid volume and blood pressure, it is important to define the physiological and pathophysiological conditions that determine its release into the circulation. There is substantial evidence that ANP is released through atrial ...

journal_title：Canadian journal of physiology and pharmacology

authors： Rankin AJ

更新日期：1987-08-01 00:00:00

abstract：:Spironolactone is a diuretic steroid which is capable of blocking the binding of aldosterone to its cytosol receptor at the distal convoluted tubule. In addition, it has been shown that spironolactone is a strong inhibitor of steroidogenesis. More recently, new aldosterone antagonists have been discovered. Some of the...

journal_title：Canadian journal of physiology and pharmacology

authors： Netchitailo P,Perroteau I,Delarue C,Leboulenger F,Capron MH,Vaudry H

更新日期：1983-01-01 00:00:00

abstract：:Microiontophoretic applications of ibotenate, an amino acid analogue of glutamate, evoked biphasic responses from single dorsal horn interneurones of the cat spinal cord, i.e., an initial increase in the firing rate followed by a sustained depression of spontaneous firing. A reduced cell sensitivity to excitatory amin...

journal_title：Canadian journal of physiology and pharmacology

authors： MacDonald JF,Nistri A

更新日期：1977-08-01 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