Inhibition of the immune response by rapamycin, a new antifungal antibiotic.

abstract：:Both surface pH (pHs) and intracellular pH (pHi) were measured using single- and double-barreled pH-sensitive microelectrodes in isolated sheep cardiac Purkinje strands, rabbit and cat papillary muscle, and mouse and rat soleus muscle. Superfusion of the preparations with a relatively low buffered solution (containing...

journal_title：Canadian journal of physiology and pharmacology

authors： de Hemptinne A,Marrannes R,Vanheel B

更新日期：1987-05-01 00:00:00

abstract：:The purpose of the present investigation was to determine the nature of the functional interaction of muscarinic agonists with cAMP-generating and cAMP-independent agonists in left atria. Negative inotropic responses of rabbit isolated left atrial strips to the muscarinic agonist carbachol were measured in the absence...

journal_title：Canadian journal of physiology and pharmacology

authors： MacLeod KM

更新日期：1986-05-01 00:00:00

abstract：:The long noncoding RNA (lncRNA) GAS5 has been found to act as a decoy for the glucocorticoid receptor (GR), thus implicating GAS5 as a potential regulator of glucocorticoid sensitivity and resistance. Airway smooth muscle (ASM) cells and airway epithelial cells (AEC) play an important role in the pathogenesis and pers...

journal_title：Canadian journal of physiology and pharmacology

authors： Keenan CR,Schuliga MJ,Stewart AG

更新日期：2015-03-01 00:00:00

abstract：:One hypothesized mechanism of the cardioprotection provided by preconditioning is decreased utilization of ATP during ischemia. Although ATP levels in preconditioned heart during ischemia have been previously studied, contractile activity during ischemia has not been investigated. Contractile activity accounts for sig...

journal_title：Canadian journal of physiology and pharmacology

authors： Rehring TF,Bender PR,Cairns CB,Joo K,Friese RS,Shapiro JI,Cleveland JC Jr,Banerjee A

更新日期：1997-04-01 00:00:00

abstract：:A significant relationship was observed between myocardial oxygen extraction and the extravascular mean time transit time. This relationship implies that oxygen extraction by the myocardium is a time-dependent process, and emphasizes the critical link between blood flow and myocardial oxygen consumption. ...

journal_title：Canadian journal of physiology and pharmacology

authors： Mildenberger RR,L'Abbate A,Zborowska-Sluis DT,Klassen GA

更新日期：1977-06-01 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：:The vasoconstrictors norepinephrine (NE) and angiotensin II (AII) mediate increases in oxygen uptake (VO2) by the constant flow perfused rat hind limb that are inhibited by quinidine-like membrane-stabilizing effects (involving the interruption of action potential) of (+/-)-propranolol with little effect on vasoconstr...

journal_title：Canadian journal of physiology and pharmacology

authors： Tong AC,Rattigan S,Clark MG

更新日期：1998-02-01 00:00:00

abstract：:The effects of barbiturates on human platelet function are not fully understood. Since we have already revealed the effects and mechanisms of thiopental, thiamylal, and pentobarbital in platelets, the present study attempted to elucidate (i) the effects of other barbiturates on human platelet aggregation, (ii) the und...

journal_title：Canadian journal of physiology and pharmacology

authors： Sato M,Hirakata H,Ikeda M,Fukuda K

更新日期：2003-08-01 00:00:00

abstract：:To develop a mathematical model of the distribution and metabolism of rat corticotropin-releasing factor (rCRF), the time course of 125I-labelled rCRF in plasma was measured in male Sprague-Dawley rats (i) following a rapid injection of 24 ng rCRF/100 g body weight (BW), or (ii) following a rapid injection of 424 ng r...

journal_title：Canadian journal of physiology and pharmacology

authors： Candas B,Lalonde J,Normand M

更新日期：1986-06-01 00:00:00

abstract：:The present study was designed to evaluate the role of endothelial NO in the hemodynamics and vascular changes that occur in heart failure following myocardial infarction in rats. Left ventricular systolic pressure (LVSP), mean blood pressure (MBP), aortic morphology (media thickness) and reactivity were evaluated in ...

journal_title：Canadian journal of physiology and pharmacology

authors： da Cunha V,Stefanon I,Mill JG

更新日期：2004-06-01 00:00:00

abstract：:The natural history of the disease of the dilated strain Bio TO-2 of cardiomyopathic hamsters (CMH) is not totally characterized. We investigated its hemodynamic and histomorphometric characteristics at 140, 180, 220, 260, and 300 days of age. Forty CMH and 40 controls were investigated (8 at each stage). Mean arteria...

journal_title：Canadian journal of physiology and pharmacology

authors： Goineau S,Pape D,Guillo P,Ramée MP,Bellissant E

更新日期：2001-04-01 00:00:00

abstract：:Previous studies have demonstrated that the D-enantiomer of isoidide dinitrate (IIDN) is 10-fold more potent than the L-enantiomer for relaxation and cyclic GMP accumulation in isolated rat aorta. To test whether preferential biotransformation of D-IIDN to a species that activates guanylate cyclase is the basis for th...

journal_title：Canadian journal of physiology and pharmacology

authors： Stewart DH,Hayward LD,Bennett BM

更新日期：1989-11-01 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：:In our previous study, l-carnitine was shown to have cytoprotective effect against hydrogen peroxide (H2O2)-induced injury in human normal HL7702 hepatocytes. The aim of this study was to investigate whether the protective effect of l-carnitine was associated with the nuclear factor erythroid 2 (NFE2)-related factor 2...

journal_title：Canadian journal of physiology and pharmacology

authors： Li J,Zhang Y,Luan H,Chen X,Han Y,Wang C

更新日期：2016-05-01 00:00:00

abstract：:Cardiac dysfunction due to ischemia-reperfusion (I/R) is associated with marked changes in membrane function and subsequent Ca2+-handling abnormalities in cardiomyocytes. The membrane abnormalities in hearts subjected to I/R arise primarily from oxidative stress as a consequence of increased formation of reactive oxyg...

journal_title：Canadian journal of physiology and pharmacology

authors： Tappia PS,Asemu G,Rodriguez-Leyva D

更新日期：2010-03-01 00:00:00

abstract：:Eight pure triterpenoid saponin compounds isolated from the root of Polygala senega L., a plant indigenous to the Canadian prairies, were evaluated for their immunological activity in mouse models. The specific antibody responses of the IgG2a subclass increased significantly when isolated P. senega saponins were used ...

journal_title：Canadian journal of physiology and pharmacology

authors： Katselis GS,Estrada A,Gorecki DK,Barl B

更新日期：2007-11-01 00:00:00

abstract：:Double-barrelled ion-sensitive microelectrodes were used to measure changes in the intracellular activities of K+, Na+, and Cl- (aKi, aNai, aCli) in neurones of rat sympathetic ganglia and in glial cells of slices from guinea-pig olfactory cortex. In sympathetic neurones, carbachol and gamma-aminobutyric acid (GABA) p...

journal_title：Canadian journal of physiology and pharmacology

authors： Grafe P,Ballanyi K

更新日期：1987-05-01 00:00:00

abstract：:A single-dose administration of 6-hydroxydopamine (50 mg/kg body weight, sc) to infant rats resulted in an enlargement, higher fresh weight, markedly elevated lipid content, and higher total protein content of their interscapular and cervical brown adipose tissue. The protein kinase (EC 2.7.1.37) activation ratio in t...

journal_title：Canadian journal of physiology and pharmacology

authors： Skala JP,Hahn P

更新日期：1977-04-01 00:00:00

abstract：:Immunocytochemistry, radioimmunoassay, chromatography, and biological assay using a rabbit isolated duodenal muscle strip preparation were used in attempting to characterize motilin from the rat small intestine. Several different antisera and monoclonal antibodies directed against natural porcine motilin were used. A ...

journal_title：Canadian journal of physiology and pharmacology

authors： Vogel LB,Brown JC

更新日期：1990-08-01 00:00:00

abstract：:Xerostomia is a self-conscious symptom. High-mobility group box 1 (HMGB1) promotes pro-inflammatory effects in many diseases. This study aimed to clarify the role of HMGB1 in Sjögren syndrome (SS)-triggered xerostomia. Nonobese diabetic (NOD)/Ltj mice were used to establish an SS-triggered xerostomia model. The result...

journal_title：Canadian journal of physiology and pharmacology

authors： Wang D,Zhou M,Wang Y,Sun S

更新日期：2020-06-01 00:00:00

abstract：:The mechanisms responsible for microbially induced epithelial apoptosis and increased intestinal permeability remain unclear. This study assessed whether purified bacterial lipopolysaccharide (LPS) increases epithelial apoptosis and permeability and whether these changes are dependent on caspase-3 activation. In nontu...

journal_title：Canadian journal of physiology and pharmacology

authors： Chin AC,Flynn AN,Fedwick JP,Buret AG

更新日期：2006-10-01 00:00:00

abstract：:The role of sympathetic innervation in the regulation of hindlimb skeletal muscle blood flow (QL) and metabolism was studied prior to and during acute anemia in anesthetized, paralyzed, and ventilated dogs (n = 8). Neural activity in the sciatic nerve was reversibly cold blocked for a 15-min period at control hematocr...

journal_title：Canadian journal of physiology and pharmacology

authors： Kubes P,Cain SM,Chapler CK

更新日期：1988-09-01 00:00:00

abstract：:Electrical stimulation of the diencephalon and rostral mesencephalon produced a biphasic pressor response consisting of an initial sharp rise followed by a more prolonged elevation in blood pressure. Active sites from which comparable responses could be evoked were found in the ventral medial and lateral hypothalamus,...

journal_title：Canadian journal of physiology and pharmacology

authors： Gauthier P

更新日期：1981-05-01 00:00:00

abstract：:We found when L-type calcium current (ICa-L) was recorded with the perforated patch-clamp method in rat ventricular myocytes that bath application of phenylephrine (with propranolol) evoked a biphasic response characterized by an initial transient suppression followed by a sustained potentiation. The transient suppres...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhang S,Lin J,Hirano Y,Hiraoka M

更新日期：2005-11-01 00:00:00

abstract：:Microwaves may exert adverse biological effects on the cardiovascular system at the integrated system and cellular levels. However, the mechanism underlying such effects remains poorly understood. Here, we report a previously uncharacterized mechanism through which microwaves damage myocardial cells. Rats were treated...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhu W,Cui Y,Feng X,Li Y,Zhang W,Xu J,Wang H,Lv S

更新日期：2016-08-01 00:00:00

abstract：:Rats received a daily injection of 2, 6, or 12 mg kg-1 bethanechol for 7 or 14 days. Pancreatic weight and content of protein, amylase, and chymotrypsinogen were increased in a dose and time dependent fashion by bethanechol. After 14 days of treatment with the highest dose, pancreatic weight and total pancreatic DNA c...

journal_title：Canadian journal of physiology and pharmacology

authors： Morisset J,Jolicoeur L,Caussignac Y,Solomon TE

更新日期：1982-07-01 00:00:00

abstract：:The most commonly observed effect of beta-blockade on cardiovascular function has been a reduction in heart rate both at rest and during exercise. The body attempts to compensate by increasing stroke volume and (or) increasing the extraction of O2 from the blood to maintain O2 delivery to the muscle. This paper examin...

journal_title：Canadian journal of physiology and pharmacology

authors： Hughson RL,Kowalchuk JM

更新日期：1991-02-01 00:00:00

abstract：:Liver diseases are associated with a decrease in hepatic drug elimination, but there is evidence that cirrhosis does not result in uniform changes of cytochrome P450 (CYP) isoenzymes. The objective of this study was to determine the content and activity of four CYP isoenzymes in the bile duct ligation and carbon tetra...

journal_title：Canadian journal of physiology and pharmacology

authors： Bastien MC,Leblond F,Pichette V,Villeneuve JP

更新日期：2000-11-01 00:00:00

abstract：:Since human thermoregulation at rest is altered by cold exposure, it was hypothesized that physical training under cold conditions would alter thermoregulation. Three groups (n = 8) of male subjects (mean age 24.3 +/- 0.9 years) were evaluated: group T (interval training at 21 degrees C), group CT (interval training a...

journal_title：Canadian journal of physiology and pharmacology

authors： Launay JC,Besnard Y,Guinet A,Hanniquet AM,Bittel J,Savourey G

更新日期：2002-09-01 00:00:00

abstract：:The present study focused on the interactive pain regulation of endokinin A/B (EKA/B, the common C-terminal decapeptide in EKA and EKB) or endokinin C/D (EKC/D, the common C-terminal duodecapeptide in EKC and EKD) on chimeric peptide MCRT (YPFPFRTic-NH2, based on YPFP-NH2 and PFRTic-NH2) at the supraspinal level in mi...

journal_title：Canadian journal of physiology and pharmacology

authors： He C,Gong J,Yang L,Zhang H,Dong S,Zhou L

更新日期：2016-09-01 00:00:00