Enhancement of hybrid-fiber types in rat soleus muscle after clenbuterol administration during hindlimb unloading.

abstract：:We present comparative experimental evidence for the induction of synaptic potentiation and depression in organotypic cultures of hippocampus and in visual cortex in vitro and in vivo. The effects of associative pairings on the efficacy of synaptic transmission are analyzed as a function of the temporal delay between ...

journal_title：Canadian journal of physiology and pharmacology

authors： Debanne D,Shulz DE,Frégnac Y

更新日期：1995-09-01 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：:Administration of naloxone to morphine-dependent rats results in an elevation of tail skin temperature and a fall in core temperature. Previous studies have demonstrated a role of the adrenal gland in the thermal responses that accompany morphine withdrawal in the rat. In the present study, experiments were designed t...

journal_title：Canadian journal of physiology and pharmacology

authors： Katovich MJ,Pitman D,Schechtman O

更新日期：1992-08-01 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：:A striking feature of the mammalian respiratory rhythm generator is the abruptness of the transitions between the inspiratory (I) and expiratory (E) phases ("phase-switching"). Although reciprocal inhibitory actions between I and E neurons are important for maintaining the alternation of respiratory phases, phase-swit...

journal_title：Canadian journal of physiology and pharmacology

authors： Cohen MI

更新日期：1981-07-01 00:00:00

abstract：:The inotropic response induced by beta-adrenergic and H1 histaminergic receptor stimulation was characterized in guinea pig left atria by obtaining dose-response relationships for isoproterenol and histamine under various experimental conditions. Conditions (hypothermia, high frequencies of stimulation, and large extr...

journal_title：Canadian journal of physiology and pharmacology

authors： Tenner TE Jr,McNeill JH

更新日期：1978-12-01 00:00:00

abstract：:Most cardiac diseases are associated with fibrosis. Calcineurin (CaN) is regulated by Ca(2+)/calmodulin (CaM). The CaN-NFAT (nuclear factor of activated T cell) pathway is involved in the process of cardiac diseases, such as cardiac hypertrophy, but its effect on myocardial fibrosis remains unclear. The present study ...

journal_title：Canadian journal of physiology and pharmacology

authors： Chen QQ,Zhang W,Chen XF,Bao YJ,Wang J,Zhu WZ

更新日期：2012-12-01 00:00:00

abstract：:Although chronic cocaine use is cardiotoxic, its use remains problematic in athletics. Hence adaptive changes induced in the heart by superimposing chronic cocaine use on an exercise training are of interest but remain poorly understood. Therefore this study investigated the effects of cocaine treatment combined with ...

journal_title：Canadian journal of physiology and pharmacology

authors： Morris GS,Fiore PV,Hamlin RL,Sherman WM

更新日期：1994-01-01 00:00:00

abstract：:Previously, we reported that thromboxane A2 (TxA2) mediates heart rate, adrenocorticotropin (ACTH), cortisol, and blood gas responses, although the specific site of action was not identified. In the present study, we interrupted vagal nervous transmission in chronically instrumented conscious sheep and infused the TxA...

journal_title：Canadian journal of physiology and pharmacology

authors： Cudd TA

更新日期：1998-12-01 00:00:00

abstract：:The turnover rate of glucose, the irreversible disposal rate of lactate, and the rate of gluconeogenesis from lactate were calculated by tracer methods in four normal and four alloxan-diabetic dogs under control conditions as well as in chronic, stable metabolic acidosis and alkalosis. Acidosis was produced by feeding...

journal_title：Canadian journal of physiology and pharmacology

authors： Hetenyi G Jr,Paradis H,Kucharczyk J

更新日期：1988-02-01 00:00:00

abstract：:Epigallocatechin-3-gallate (EGCG), a polyphenol in green tea, is an effective antioxidant and possesses neuroprotective effects. Brain-derived neurotrophic factor (BDNF) and cyclic AMP response element-binding protein (CREB) are crucial for neurogenesis and synaptic plasticity. In this study, we aimed to assess the pr...

journal_title：Canadian journal of physiology and pharmacology

authors： Ding ML,Ma H,Man YG,Lv HY

更新日期：2017-12-01 00:00:00

abstract：:Previous work suggested that sulfhydryl groups and disulfide bridges have important functions in opioid binding to the delta opioid receptor. The question regarding which cysteines are essential for ligand binding was approached by replacement of cysteine residues in the cloned delta opioid receptor using site-directe...

journal_title：Canadian journal of physiology and pharmacology

authors： Ehrlich GK,Andria ML,Zheng X,Kieffer B,Gioannini TL,Hiller JM,Rosenkranz JE,Veksler BM,Zukin RS,Simon EJ

更新日期：1998-03-01 00:00:00

abstract：:The measurement of the sodium reversal potential (Erev), as that potential where the early current reverses during voltage clamp, was found to exceed the true Erev by 4.1 +/- 2.4 mV (mean +/- SD) in squid giant axon. This error was found in both intact and internally perfused axons and is due to interference from the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Wodlinger H,Kunov H,Atwood HL

更新日期：1982-12-01 00:00:00

abstract：:In urethane-anaesthetized rats, ion-selective microelectrodes recorded changes in extracellular K+ and Ca2+ concentrations (delta[K+]omicron and delta[Ca2+]omicron) in pyramidal layers of the hippocampus (mostly in area CA1), which were evoked by fimbrial-commissural stimulation. [K+]omicron increased linearly with fr...

journal_title：Canadian journal of physiology and pharmacology

authors： Krnjević K,Morris ME,Reiffenstein RJ

更新日期：1982-12-01 00:00:00

abstract：:The present research was to assess the relationship between ABCB1 (G2677T/A, C3435T) polymorphisms and lipid homeostasis as well as risk of liver injury induced by atorvastatin in in-patients from China. The lipid levels (total cholesterol, high-density lipoprotein, triglycerides) as well as metabolic enzymes of hepar...

journal_title：Canadian journal of physiology and pharmacology

authors： Qu KK,Zhang CN,Dong LX,Wang SS,Zhang ZD,Zhang L

更新日期：2020-01-01 00:00:00

abstract：:Barbiturate actions on excitatory synaptic responses in CA 1 and dentate regions of hippocampal slices were studied to determine whether different effects occur on anatomically distinct synaptic pathways. Pentobarbital facilitated transmission between stratum radiatum inputs and CA 1 neurons at low concentrations (0.0...

journal_title：Canadian journal of physiology and pharmacology

authors： MacIver MB,Roth SH

更新日期：1987-03-01 00:00:00

abstract：:Idiopathic pulmonary arterial hypertension (IPAH) is a rare and devastating condition. There is no known cure for IPAH, and current treatment options are not always effective. Autologous myeloid angiogenic cells (MACs) have been explored as a novel therapy for IPAH, but preliminary data from clinical trials show limit...

journal_title：Canadian journal of physiology and pharmacology

authors： Zhang Q,Zucco L,Toshner M,Morrell NW,Granton J,Stewart DJ,Kutryk MJB

更新日期：2019-04-01 00:00:00

abstract：:Perfusion of isolated rat hearts with Na-free medium resulted in an immediate increase in contractile force followed by a decline and complete loss of contractile force within 25 s. The recovery of the contractile force upon reperfusion was only partial if the duration of Na-free perfusions was 10 min or longer. Ca bi...

journal_title：Canadian journal of physiology and pharmacology

authors： Dhalla NS,Lee SL,Singal PK,Yates JC,Panagia V

更新日期：1980-12-01 00:00:00

abstract：:The objective of this work was to evaluate whether changes in respiratory status of isolated brown-fat mitochondria influence synthesis and degradation of proteins within the organelles. Mitochondrial protein synthesis is subject to regulation, as a 24-h fast in mice reduced [35S]methionine incorporation without affec...

journal_title：Canadian journal of physiology and pharmacology

authors： Desautels M,Dulos RA

更新日期：1993-01-01 00:00:00

abstract：:Muscle pain and poor sleep commonly occur together. Whether pain induces poor sleep or vice versa is difficult to know. Muscle pain is also observed in the presence of some types of dyskinesia or movement disorders. The interaction between sleep, movement disorders, and some musculoskeletal pain appears to be complex ...

journal_title：Canadian journal of physiology and pharmacology

authors： Lavigne GJ,Velly-Miguel AM,Montplaisir J

更新日期：1991-05-01 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：:Rhus tripartitum D.C., Anacardiaceae, has traditionally been used in Tunisia against many illnesses. The present study investigates, for the first time, the protective effects of the methanol extract of Rhus tripartitum fruit (MERT) against CCl4-induced hepatotoxicity and cisplatin-induced nephrotoxicty in Wistar rats...

journal_title：Canadian journal of physiology and pharmacology

authors： Tlili N,Feriani A,Allagui MS,Saadoui E,Khaldi A,Nasri N

更新日期：2016-08-01 00:00:00

abstract：:We investigated the effects of 4% fructose plus moderately high salt (MHS) (4% NaCl) treatment on tissue aldehyde conjugates, platelet cytosolic free calcium ([Ca2+]i), renal morphology, and systolic blood pressure (SBP) in Wistar-Kyoto rats, and whether these effects were reversible (R) after withdrawal of treatment....

journal_title：Canadian journal of physiology and pharmacology

authors： Vasdev S,Gill V,Parai S,Gadag V

更新日期：2007-03-01 00:00:00

abstract：:The effect of sex hormones on vascular reactivity is considered one of the underlying factors contributing to gender differences in cardiovascular functions and diseases. Experiments were designed to investigate the role of androgens in salt-induced hypertension by assessing the relaxation response of isolated aortic ...

journal_title：Canadian journal of physiology and pharmacology

authors： Oloyo AK,Sofola OA,Anigbogu CN

更新日期：2011-04-01 00:00:00

abstract：:The purpose of the present work was to study the rate of basal luteinizing hormone (LH) glycosylation, discriminating the co-translational (proximal) and the post-translational (distal) glycosylation. The experiments were performed to determine the temporal relationship between the biosynthesis of the peptide chains (...

journal_title：Canadian journal of physiology and pharmacology

authors： Pérez GT,Apfelbaum ME

更新日期：1997-07-01 00:00:00

abstract：:The development of the febrile response to E. coli lipopolysaccharide (1.5 micrograms/kg, i.v.) in thyroid-deficient rabbits has been studied. Twenty-eight New Zealand White rabbits weighing 2.1-2.3 kg were used. Hypothyroidism was induced by treatment with propylthiouracil (100 or 200 mg/kg body wt./15 days). Thyroid...

journal_title：Canadian journal of physiology and pharmacology

authors： Macari M,Pelá IR,Silva CA

更新日期：1987-06-01 00:00:00

abstract：:Experiments were carried out in pigs to investigate the relationship between concentration of intestinal calcium-binding protein (CaBP) and the presence of rickets. Pigs made rachitic by a diet deficient in calcium and in vitamin D had concentrations of intestinal CaBP no less than values obtained on control pigs. The...

journal_title：Canadian journal of physiology and pharmacology

authors： Harrison JE,Hitchman AJ,Brown RG

更新日期：1975-02-01 00:00:00

abstract：:The effect of calcium ionophore A23187 on the metabolism of pregnenolone to progesterone was examined in rat granulosa cells during a 24-h culture period. Granulosa cells harvested from pregnant mare's serum gonadotropin treated immature rats were incubated in the presence and absence of the divalent cation ionophore ...

journal_title：Canadian journal of physiology and pharmacology

authors： Tsang BK,Mattice DF,Li M,Asem EK

更新日期：1988-07-01 00:00:00

abstract：:The direct effects of extrinsic nerve stimulation on coronary artery tone are unclear because of the complications arising from alterations in myocardial dynamics which themselves alter flow. An isolated and perfused nonbeating slab of beef ventricle was utilized in the present experiments to eliminate secondary compl...

journal_title：Canadian journal of physiology and pharmacology

authors： Kalsner S

更新日期：1979-03-01 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