The calyx-type synapse of the chick ciliary ganglion as a model of fast cholinergic transmission.

abstract：:The synthesis, receptor binding, and agonist activity of a series of truncated atrial natriuretic analogs (ANF) are described. These analogs incorporate two portions of the native 28 amino peptide, the eight amino acids C-terminal to Cys7, and two amino acids from the C-terminus (phenylalanine and arginine), into disu...

journal_title：Canadian journal of physiology and pharmacology

authors： Holleman WH,Budzik GP,Devine EM,Pollock DM,Opgenorth TJ,Thomas AM,von Geldern TW,Rockway TW

更新日期：1991-10-01 00:00:00

abstract：:Connexin43 has been recognized as forming gap junctions in Leydig cells. However, previous work has shown that mouse Leydig cells lacking this connexin do not suffer any limitation of their ability to produce testosterone when stimulated with luteinizing hormone. The objective of this study was to identify additional ...

journal_title：Canadian journal of physiology and pharmacology

authors： Li D,Sekhon P,Barr KJ,Márquez-Rosado L,Lampe PD,Kidder GM

更新日期：2013-02-01 00:00:00

abstract：:In addition to cytostatic treatment and surgery, the most common cancer treatment is gamma radiation. Despite sophisticated radiological techniques however, in addition to irradiation of the tumor, irradiation of the surrounding healthy tissue also takes place, which results in various side-effects, depending on the a...

journal_title：Canadian journal of physiology and pharmacology

authors： Slezak J,Kura B,Ravingerová T,Tribulova N,Okruhlicova L,Barancik M

更新日期：2015-09-01 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 binding of dantrolene to rabbit red blood cell (RBC) ghosts and bovine serum albumin as models of receptor sites was studied using fluorescence techniques. Dantrolene upon binding to rabbit RBC ghosts and bovine serum albumin showed fluorescence with emission maxima at 495 and 500 nm, respectively. Dantrolene boun...

journal_title：Canadian journal of physiology and pharmacology

authors： Dehpour AR,Mahmoudian M

更新日期：1982-10-01 00:00:00

abstract：:Many functions of the brain and the sympathetic adrenal system are influenced by those amino acids that exert precursor control over neurotransmitter synthesis. One of the functions affected is regulation of blood pressure. Therefore, the purpose of this review is to describe how food proteins and amino acids affect t...

journal_title：Canadian journal of physiology and pharmacology

authors： Anderson GH

更新日期：1986-06-01 00:00:00

abstract：:The effects of neomycin sulfate were examined upon the discharge activity and electrical membrane properties of an isolated invertebrate sensory neuron, the crayfish stretch receptor neuron. Neomycin depressed cell discharge activity in a concentration-dependent manner over the concentration range of 0.01-1.0 mM. Sign...

journal_title：Canadian journal of physiology and pharmacology

authors： Nation PN,Roth SH

更新日期：1988-01-01 00:00:00

abstract：:The binding of 125I-labelled human chorionic gonadotropin (HCG) was studied using thick slices (300 micron) of rabbit ovarian tissue. Binding was saturable, reversible, stereospecific, and of high affinity. The amount of binding was proportional to the number of slices used and could be destroyed by boiling. Ovarian s...

journal_title：Canadian journal of physiology and pharmacology

authors： YoungLai EV,Wilkinson M,Hibbert P,McMahon A,Jarrell JF

更新日期：1988-04-01 00:00:00

abstract：:The isometric contractile properties of frog (Rana pipiens) and toad (Bufo bufo) sartorii have been studied over the temperature range from 0 to 20 degrees C. The isometric twitch tension was found to vary considerably between these two species and between muscles in the same species. Between 0 and 4 degrees C there w...

journal_title：Canadian journal of physiology and pharmacology

authors： Bressler BH

更新日期：1981-06-01 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 pHi regulation from intracellular acidosis in the central nervous system appears to be mediated by mechanisms driven by the large inwardly directed Na+ gradient. The involvement of these mechanisms in pHi regulation of neurones and glial cells has been investigated in the leech central nervous system using ion-sel...

journal_title：Canadian journal of physiology and pharmacology

authors： Schlue WR,Dörner R

更新日期：1992-01-01 00:00:00

abstract：:In older Aplysia, the central nervous system (CNS) (abdominal ganglion) exerts suppressive and facilitatory control over the peripheral nervous system (PNS) which initially mediates the gill withdrawal reflex and its subsequent habituation evoked by tactile stimulation of the siphon. In young animals, both the suppres...

journal_title：Canadian journal of physiology and pharmacology

authors： Lukowiak K

更新日期：1979-09-01 00:00:00

abstract：:When carbon tetrachloride (CCl4) was administered to rats, a localized region of hepatic edema could be detected within 1 h by in vivo proton magnetic resonance imaging. However, if rats were pretreated with gadolinium chloride (GdCl3), an inhibitor of Kupffer cell function, the CCl4-induced edema was greatly decrease...

journal_title：Canadian journal of physiology and pharmacology

authors： Towner RA,Reinke LA,Janzen EG,Yamashiro S

更新日期：1994-05-01 00:00:00

abstract：:Lectins, known to recognize endothelial cell adhesion molecules, have been shown to release endothelium-derived relaxing factor (EDRF) from blood vessels. We investigated the effects of different leukocyte-type cells to determine if these cells, by interacting with the endothelium, could release EDRF from the circumfl...

journal_title：Canadian journal of physiology and pharmacology

authors： Kleha JF,Devesly P,Johns A

更新日期：1995-03-01 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：:The whole-cell patch electrode voltage clamp technique was used to study the inactivation properties of the delayed rectifying potassium current of single cultured embryonic chick hepatocytes at 20 degrees C. The potassium current activates maximally within 250-500 ms of membrane depolarization, after which it decays ...

journal_title：Canadian journal of physiology and pharmacology

authors： Hill CE,Shrier A

更新日期：1991-06-01 00:00:00

abstract：:Selected topics on the roles of sarcoplasmic reticulum (SR) in the control of vascular smooth muscle (VSM) tone are briefly reviewed with particular reference to the regulation of cytosolic concentration of free calcium ions, [Ca2+]i. Although morphological evidence and subcellular membrane studies indicate a relative...

journal_title：Canadian journal of physiology and pharmacology

authors： Daniel EE,van Breemen C,Schilling WP,Kwan CY

更新日期：1995-05-01 00:00:00

abstract：:Strips of rabbit thoracic aorta precontracted with phenylephrine relaxed when exposed to selected synthetic peptides derived from the cell attachment domain of fibronectin. The relaxations elicited by both acetylcholine and the hexapeptide Gly-Arg-Gly-Asp-Ser-Pro (GRGDSP) were dependent on the presence of an intact en...

journal_title：Canadian journal of physiology and pharmacology

authors： Laplante C,St-Pierre S,Beaulieu AD,Marceau F

更新日期：1988-06-01 00:00:00

abstract：:Changes in metabolic characteristics of the liver and jejunal epithelia as a result of feeding the beta-agonist albuterol to chickens for 3 and 6 weeks were studied. Feeding albuterol resulted in a change in weights of the liver and small intestines. Chickens fed albuterol for 6 weeks had greater levels of plasma none...

journal_title：Canadian journal of physiology and pharmacology

authors： Rompala RE,Darre MJ

更新日期：1989-05-01 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：: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：:Endothelin-1 has emerged as an important participant in the pathophysiology of a variety of cardiovascular diseases, where it may act on endocrine, paracrine and autocrine bases. Here we review its regulated biosynthesis, receptor-mediated signaling, and functional consequences in the heart, with particular emphasis o...

journal_title：Canadian journal of physiology and pharmacology

authors： Yang LL,Arab S,Liu P,Stewart DJ,Husain M

更新日期：2005-01-01 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：:Ischemic heart disease is the leading cause of morbi-mortality in developed countries. Both ischemia-reperfusion injury and mechanisms of cardioprotection have been studied for more than 50 years. It is known that the physiopathological mechanism of myocardial ischemia involves several factors that are closely related...

journal_title：Canadian journal of physiology and pharmacology

authors： D'Annunzio V,Donato M,Buchholz B,Pérez V,Miksztowicz V,Berg G,Gelpi RJ

更新日期：2012-09-01 00:00:00

abstract：:A new antagonist of the vasoconstrictor eicosanoids, L-640,035, was studied in a standardized model of myocardial ischemia (MI) in anesthetized cats. This eicosanoid antagonist was not found to exert any overt hemodynamic action in cats subjected to a sham myocardial ischemia protocol. However, the antagonist markedly...

journal_title：Canadian journal of physiology and pharmacology

authors： Lefer AM,Burke SE,Lepran I

更新日期：1984-12-01 00:00:00

abstract：:To elucidate the involvement of the brain renin-angiotensin system and the brain atrial natriuretic polypeptide (ANP) system in the regulation of ANP secretion from the heart, the effects of intracerebroventricular administration of angiotensin II and ANP on the plasma ANP level were examined in conscious unrestrained...

journal_title：Canadian journal of physiology and pharmacology

authors： Itoh H,Nakao K,Yamada T,Morii N,Shiono S,Sugawara A,Saito Y,Mukoyama M,Arai H,Imura H

更新日期：1988-03-01 00:00:00

abstract：:Tachykinin receptors in guinea-pig airways were examined using radioligand binding techniques in lung homogenates, and using isolated bronchial segments. Binding of the NK1 selective radioligand 125I-labelled Bolton-Hunter [Sar9,Met(O2)11]substance P ([125I]BHSarSP) was saturable and of high affinity (KD, 0.26 nM). Th...

journal_title：Canadian journal of physiology and pharmacology

authors： Burcher E,Zeng XP,Strigas J,Geraghty DP,Lavielle S

更新日期：1995-07-01 00:00:00

abstract：:Long-lasting ischemia can result in cell loss; however, repeated episodes of brief ischemia increase the resistance of the heart against deleterious effects of subsequent prolonged ischemic insult and promote cell survival. Traditionally, it is believed that the supply of blood to the ischemic heart is associated with...

journal_title：Canadian journal of physiology and pharmacology

authors： Adameova A,Hrdlicka J,Szobi A,Farkasova V,Kopaskova K,Murarikova M,Neckar J,Kolar F,Ravingerova T,Dhalla NS

更新日期：2017-10-01 00:00:00

abstract：:The hypothesis was examined that phenoxybenzamine enhances both the overflow of noradrenaline and the mechanical response in guinea pig vas deferens by blockade of presynaptic inhibitory receptors located on adrenergic nerve terminals which serve a negative-feedback function. Preparations were stimulated with a consta...

journal_title：Canadian journal of physiology and pharmacology

authors： Kalsner S

更新日期：1979-07-01 00:00:00

abstract：:The effects of clofibrate administration (200 mg/kg, po) on somatic growth, plasma levels of lipids, tryptophan, growth hormone (GH), and prolactin (PRL), as well as on brain concentrations of tryptophan and 5-hydroxytryptamine (5-HT) were studied in prepubertal male rats. The drug did not significantly alter ponderal...

journal_title：Canadian journal of physiology and pharmacology

authors： Tache Y,Letarte J,Collu R

更新日期：1978-04-01 00:00:00