The interactive effects of fatigue and pH on the ionic conductance of frog sartorius muscle fibers.

abstract：:Heme plays a critical role in blood pressure regulation because it is required by a number of enzymes that synthesize vascular modulators, including nitric oxide (NO), carbon monoxide (CO), guanosine 3',5'-cyclic monophosphate (cGMP), endothelium-derived hyperpolarizing factor (EDHF), and prostacyclin. The goal of thi...

journal_title：Canadian journal of physiology and pharmacology

authors： Soong J,Adams MA,Nakatsu K

更新日期：2008-09-01 00:00:00

abstract：:Intra- and extra-cellular concentrations of calcium were measured in hippocampal neurons of areas CA1 and CA3 during 8 min ischaemia and short-term (up to 60 min) recovery. During an ischaemic insult, [Ca2+]i increased progressively and [Ca2+]e decreased. There were large interneuronal differences, although, in genera...

journal_title：Canadian journal of physiology and pharmacology

authors： Erecińska M,Silver IA

更新日期：1992-01-01 00:00:00

abstract：:The goal of the present study was to assess the effects of a restricted feeding schedule (RFS) on postischemic contractile recovery in relation to triacylglycerol (TAG), glycogen, and ATP content. Glucose-6-phosphate dehydrogenase (G6PDH) activity, reduced/oxidized glutathione ratio (GSH/GSSG), and thiobarbituric acid...

journal_title：Canadian journal of physiology and pharmacology

authors： Jaitovich MM,Varela A,Sbarbati C,Hermann R,Torresín ME,Savino EA,Marina Prendes MG

更新日期：2010-10-01 00:00:00

abstract：:The present study was undertaken to determine the beta-receptor subtype responsible for the enhanced anaphylactic histamine release from bovine leukocytes produced by isoprenaline. The selective beta 1 antagonist practolol competitively inhibited the enhancement of histamine release produced by isoprenaline. The selec...

journal_title：Canadian journal of physiology and pharmacology

authors： Perron R,Eyre P

更新日期：1982-07-01 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：:G protein-coupled receptors (GPCRs), including endothelin receptor A (ETA) and B (ETB), may form dimers or higher-order oligomers that profoundly influence signaling. Here we examined a PDZ finger motif within the C-terminus of ETA and its role in heterodimerization with ETB, and in homodimerization with itself, when ...

journal_title：Canadian journal of physiology and pharmacology

authors： Evans NJ,Walker JW

更新日期：2008-08-01 00:00:00

abstract：:This year, 2011, the Department of Pharmacology at the University of Alberta celebrated its 50th anniversary. This timeframe covers nearly the entire history of Cys-loop pentameric ligand-gated ion channel (pLGIC) research. In this review we consider how major technological advancements affected our current understand...

journal_title：Canadian journal of physiology and pharmacology

authors： Kozuska JL,Paulsen IM

更新日期：2012-06-01 00:00:00

abstract：:Binding of [3H]nitrendipine, [3H]nimodipine, and (+)[3H]PN 200-110 to microsomal preparations of guinea pig smooth and cardiac muscle and brain synaptosomes revealed high affinity interaction with KD values in the sequence, (+)PN 200-110 greater than nitrendipine greater than nimodipine. Bmax values for a particular t...

journal_title：Canadian journal of physiology and pharmacology

authors： Rampe D,Luchowski E,Rutledge A,Janis RA,Triggle DJ

更新日期：1987-07-01 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：:The effects of oxytocin (OT) on holding current were studied in uterine smooth muscle cells freshly isolated from the longitudinal layer of 18-20 day pregnant rats, using the nystatin method of whole-cell voltage clamp. As we previously reported, the voltage-dependent Ca2+ current (L type) was partially inhibited by O...

journal_title：Canadian journal of physiology and pharmacology

authors： Shimamura K,Kusaka M,Sperelakis N

更新日期：1994-07-01 00:00:00

abstract：:The role of I(K) (delayed rectifier current) and I(f) (hyperpolarization-activated current) in dominant and subsidiary pacemaker ranges was studied in single myocytes isolated from the guinea pig sino-atrial node by means of a perforated patch-clamp technique. In the dominant pacemaker range (approx. -55 to -40 mV), I...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhang H,Vassalle M

更新日期：2001-12-01 00:00:00

abstract：:Opioid and N-methyl-d-aspartate (NMDA) receptors mediate different effects of fluoxetine. We investigated whether opioid and NMDA receptors are involved in the protective effect of fluoxetine against the behavioral despair induced by acute physical stress in male mice. We used the forced swimming test (FST), tail susp...

journal_title：Canadian journal of physiology and pharmacology

authors： Haj-Mirzaian A,Kordjazy N,Ostadhadi S,Amiri S,Haj-Mirzaian A,Dehpour A

更新日期：2016-06-01 00:00:00

abstract：:This study aimed to investigate the antiulcer and antioxidant activities of myrtle berry seed aqueous extract (MBSAE) in a peptic ulcer model induced by ethanol in male Wistar rats. MBSAE is rich in total polyphenols, total flavonoids, and unsaturated fatty acids, particularly linoleic (18:2) and oleic (18:1) acids. M...

journal_title：Canadian journal of physiology and pharmacology

authors： Jabri MA,Rtibi K,Tounsi H,Hosni K,Marzouki L,Sakly M,Sebai H

更新日期：2017-05-01 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：:It has been reported that the intraportal infusion of glutamine in Munich-Wistar rats will cause depression of renal perfusion and the urinary excretion of salt and water. We have attempted to reproduce these findings in anaesthetized dogs. L-Glutamine was infused at doses between 120 and 150 mumol/min into the portal...

journal_title：Canadian journal of physiology and pharmacology

authors： Levy M

更新日期：1992-10-01 00:00:00

abstract：:Rats were treated daily with atropine (2.5 mg/kg), imipramine (5 mg/kg), viloxazine (5 mg/kg), or saline for 14 days. Thirty-six hours following the final injection the rats were anaesthetized with urethane and the sensitivity of neurones in the somatosensory cortex to iontophoretically applied acetylcholine (ACh) was...

journal_title：Canadian journal of physiology and pharmacology

authors： Jones RS

更新日期：1980-05-01 00:00:00

abstract：:The role of leukotriene D4 (LTD4) as a mediator of immediate hypersensitivity reactions in the guinea-pig conjunctiva was examined using a potent, second-generation LTD4 receptor antagonist, MK-571 (also known as L-660,711). The microvascular permeability changes in the guinea-pig conjunctiva following challenge with ...

journal_title：Canadian journal of physiology and pharmacology

authors： Chan CC,Dagenais F,Firby P,Foster A,Ford-Hutchinson AW

更新日期：1989-08-01 00:00:00

abstract：:We studied the effect of pertussis toxin (PT) treatment on the ability of insulin to inhibit lipolysis and to stimulate glucose oxidation in isolated rat adipocytes. In cells maximally modified by PT (100% ADP ribosylation of a 41-kdalton protein in membranes), the ability of insulin to inhibit lipolysis stimulated ei...

journal_title：Canadian journal of physiology and pharmacology

authors： Goren HJ,Northup JK,Hollenberg MD

更新日期：1985-08-01 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：:Bicuculline methochloride (BMC), applied by microiontophoresis, tends to depolarize spinal motoneurons and lower their input resistance. With approximately equal iontophoretic currents of gamma-aminobutyric acid (GABA) and BMC, there is an almost equal chance of observing no change, a potentiation, or a depression of ...

journal_title：Canadian journal of physiology and pharmacology

authors： Krnjević K,Puil E,Werman R

更新日期：1977-06-01 00:00:00

abstract：:This study investigated the effects of melatonin treatment on adrenal catecholamine content, synthesis, uptake, and vesicular transport induced by the chronic unpredictable mild stress (CUMS) model of depression in rats. This entailed quantifying the norepinephrine, epinephrine, mRNA, and protein levels of tyrosine hy...

journal_title：Canadian journal of physiology and pharmacology

authors： Stefanovic B,Spasojevic N,Jovanovic P,Dronjak S

更新日期：2019-07-01 00:00:00

abstract：:2,4-Dinitrophenol, pentobarbital, thiopental, methoxyflurane, and halothane more often antagonized the facilitatory effects of substance P than of acetylcholine on the activity of spinal dorsal horn neurons (of unanesthetized decerebrated and spinalized cats) as well as interpeduncular and cerebral cortical cells (of ...

journal_title：Canadian journal of physiology and pharmacology

authors： Sastry BR

更新日期：1978-06-01 00:00:00

abstract：:In the rat, prolonged enteral or parenteral alimentation with a high-carbohydrate diet results in hyperinsulinemia, which is substantially greater with the parenteral route. Supplementing the parenteral infusate with porcine gastric inhibitory polypeptide (GIP) to approximate plasma immunoreactive GIP levels achieved ...

journal_title：Canadian journal of physiology and pharmacology

authors： Baer AR,Dupré J

更新日期：1989-09-01 00:00:00

abstract：:Mepivacaine is an aminoamide local anesthetic with an intermediate duration that intrinsically produces vasoconstriction both in vivo and in vitro. This study investigated the arachidonic acid metabolic pathways involved in mepivacaine-induced contraction, and elucidated the associated cellular mechanism with a partic...

journal_title：Canadian journal of physiology and pharmacology

authors： Lee HM,Ok SH,Sung HJ,Eun SY,Kim HJ,Lee SH,Kang S,Shin IW,Lee HK,Chung YK,Choi MJ,Bae SI,Sohn JT

更新日期：2013-04-01 00:00:00

abstract：:Simple and complex cells of visual areas of cats may be reliably classified according to the modulatory index (MI) of their responses. This investigation is aimed at analysing the MI in area 18 when a small region (about 200-400 microm in diameter) of area 17 was inactivated with a microinjection of GABA, in anestheti...

journal_title：Canadian journal of physiology and pharmacology

authors： Chabli A,Fortin S,Shumikhina S,Molotchinikoff S

更新日期：1999-03-01 00:00:00

abstract：:Diabetes with vascular complication needs strict interventions to retard possible serious complications. This research estimated the possible interaction of rosiglitazone (RGN) with losartan (Los) in diabetic rats. Male Sprague-Dawley rats were randomly divided into nondiabetic rats, diabetic rats, and diabetic rats t...

journal_title：Canadian journal of physiology and pharmacology

authors： Ateyya H,Nader MA,El-Sherbeeny NA

更新日期：2018-03-01 00:00:00

abstract：:Hereditary muscular hypertrophy is a character that has been selected in several animal species for industrial meat production. The selection of this character in cattle produces animals of exceptional commercial value but ones with a lower aerobic capacity than that of conventional cattle. The purpose of this work wa...

journal_title：Canadian journal of physiology and pharmacology

authors： Amory H,McEntee K,Linden AS,Desmecht DJ,Beduin JM,D'Orio V,Lekeux PM

更新日期：1993-12-01 00:00:00

abstract：:The effect of estrogen on the passive characteristics of arteries is not known. We hypothesized that estrogen would increase arterial distensibility as part of its protective effect on the vasculature. Female Sprague-Dawley rats were ovariectomized at 11 weeks of age. One group received a placebo (n = 6), while two ot...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhang Y,Davidge ST

更新日期：1999-01-01 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：:The effects of acute hypercapnia on human thermoregulation during cold exposure were investigated by immersion of eight male subjects to the neck in a 15 degrees C water bath until their core temperatures dropped to 35 degrees C or until 1 h of immersion had elapsed. Air was inspired throughout each experiment, with t...

journal_title：Canadian journal of physiology and pharmacology

authors： Lun V,Sun JC,Giesbrecht GG,Mekjavić IB

更新日期：1994-03-01 00:00:00