The effect of high buffer cardioplegia and secondary cardioplegia on cardiac preservation and postischemic functional recovery: a 31P NMR and functional study in Langendorff perfused pig hearts.

abstract：:Measurement of volume, pressure, and length were made on eight segments of human cerebral arteries perfused with chymotrypsin (CT) (EC 3.4.21.1) solution (pH = 7.8) for no more than 19 h, and on nine arterial segments perfused with combined enzyme (CT, trypsin (EC 3.4.21.4), elastase (EC 3.4.21.11)) solutions (pH = 7....

journal_title：Canadian journal of physiology and pharmacology

authors： Damude LC,Cope DA,Roach MR

更新日期：1977-04-01 00:00:00

abstract：:The first steps of leucine utilization are reversible deamination to α-ketoisocaproic acid (α-KIC) and irreversible oxidation. Recently, the regulatory role of leucine deamination over oxidation was underlined in rodents. Our aim was to measure leucine deamination and reamination in the whole body, in respect to previ...

journal_title：Canadian journal of physiology and pharmacology

authors： Garibotto G,Verzola D,Vettore M,Tessari P

更新日期：2018-04-01 00:00:00

abstract：:Persistent pulmonary hypertension of the newborn (PPHN) is defined as the failure of normal pulmonary vascular relaxation at birth. Hypoxia is known to impede postnatal disassembly of the actin cytoskeleton in pulmonary arterial myocytes, resulting in elevation of smooth muscle α-actin and γ-actin content in elastic a...

journal_title：Canadian journal of physiology and pharmacology

authors： Fediuk J,Dakshinamurti S

更新日期：2015-03-01 00:00:00

abstract：:Recent studies demonstrate the critical role of the extracellular matrix in the organization of parenchymal cells in the heart. Thus, an understanding of the modes of regulation of matrix production by cardiac myofibroblasts is essential. Transforming growth factor beta (TGF-beta) signaling is transduced through the c...

journal_title：Canadian journal of physiology and pharmacology

authors： Cunnington RH,Nazari M,Dixon IM

更新日期：2009-10-01 00:00:00

abstract：:Hepatotoxicity and nephrotoxicity are important drawbacks of cisplatin. The objective of this study is to evaluate the ability of ambroxol in 2 different doses (35 and 70 mg/kg, i.p.) to protect liver and kidney from damage induced by a single dose of cisplatin (10 mg/kg, i.p.) in comparison with N-acetylcysteine (250...

journal_title：Canadian journal of physiology and pharmacology

authors： Bishr A,Sallam N,Nour El-Din M,Awad AS,Kenawy SA

更新日期：2019-01-01 00:00:00

abstract：:The purpose of this study was to examine the effects of norepinephrine infusion alone and during alkalosis on oxygen uptake in the dog gastrocnemius-plantaris muscle group under conditions of constant muscle blood flow. The animals were not cold acclimatized. Blood flow was pump controlled, alkalosis was produced by h...

journal_title：Canadian journal of physiology and pharmacology

authors： Chapler CK,Stainsby WN,Gladden LB

更新日期：1980-01-01 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：:Single-channel recordings from central neurons of the helix snail, Cepaea nemoralis, revealed two types of channels that could be activated by stretch (i.e., by the membrane deformation produced when suction is applied to the patch pipette). One, a K+ channel (58 pS in physiological solution), was evident in excised a...

journal_title：Canadian journal of physiology and pharmacology

authors： Bédard E,Morris CE

更新日期：1992-02-01 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：:When using microelectrodes for intracellular ion activity studies, some uncertainties such as interference from cytosolic components at the microelectrode, cell damage, and cell contamination may arise. A model, which treats kinetic processes of the loss of carriers from the membrane phase of microelectrodes into the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Oesch U,Ammann D,Simon W

更新日期：1987-05-01 00:00:00

abstract：:Obesity is associated with autonomic nervous system dysfunction. The aim of the study was to evaluate baroreflex sensitivity, an indicator of autonomic nervous function, in 20 obese children and adolescents in comparison with 20 age- and sex-matched nonobese subjects. All subjects were examined in the supine position ...

journal_title：Canadian journal of physiology and pharmacology

authors： Lazarova Z,Tonhajzerova I,Trunkvalterova Z,Brozmanova A,Honzíková N,Javorka K,Baumert M,Javorka M

更新日期：2009-07-01 00:00:00

abstract：:It was recently shown that a peptide (hypertensive factor, HF) isolated from erythrocyte hemolysates from spontaneously hypertensive rats induced a prolonged elevation of blood pressure in normotensive rats. In addition, the peptide produced a marked stimulation of the in vitro uptake of lanthanum-resistant calcium by...

journal_title：Canadian journal of physiology and pharmacology

authors： Wright GL,Huang BS,Johnson PJ,McCumbee WD

更新日期：1988-10-01 00:00:00

abstract：:Physical activity and training have some potential as tools for examining immune responses to inflammation and trauma. Contributors to the present symposium review various aspects of the inflammatory process, including issues of lymphocyte recirculation and endotoxemia. They examine also the extent and nature of the i...

journal_title：Canadian journal of physiology and pharmacology

authors： Shephard RJ,Shek PN

更新日期：1998-05-01 00:00:00

abstract：:Remote ischemia-reperfusion detrimentally affects myocardial function by initially interfering with the rate of contraction. We investigated the usefulness of isoproterenol versus external electrical pacing in attenuating secondary functional damage of isolated Wistar rat atria. Atrial strips (n = 10/group) were bathe...

journal_title：Canadian journal of physiology and pharmacology

authors： Ben-Abraham R,Shapira I,Szold A,Weinbroum AA

更新日期：2004-01-01 00:00:00

abstract：:Immature female quails were treated for 6 days with estradiol benzoate at daily 0.01-, 0.02-, 0.01-, and 1-mg dosages. At the end of treatment, bile outflow, biliary cholesterol (CST), and bile acid (BA) secretory rates and liver, bile, and serum CST and BA levels were determined. Some quails were used to measure the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Laugier C,Pageaux JF,Duperray B,Pacheco H,Brard E

更新日期：1979-04-01 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：:Changes in electrical potential difference and sodium-potassium ATPase activity of rectal mucosa in dogs were examined before and after jejunal-ileal bypass surgery. The potential difference in the postoperative period was significantly higher (P less than 0.05) than the preoperative value. The potential difference in...

journal_title：Canadian journal of physiology and pharmacology

authors： Grahame GR,Shoenut JP,Takeo S,Sharma GP

更新日期：1983-05-01 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：: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：: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

abstract：:New methods for chronic instrumentation of the newborn piglet are described, which allow continuous monitoring of not only pressures in the pulmonary artery and aorta but also in the left and right atria, pulmonary vein, as well as main branch pulmonary artery flows. Changes in pulmonary vascular tone to short-acting ...

journal_title：Canadian journal of physiology and pharmacology

authors： Coe JY,Olley PM,Hamilton F,Vanhelder T,Coceani F

更新日期：1987-05-01 00:00:00

abstract：:The effects of haloperidol, an antipsychotic butyrophenone, on excitability and action potential production in frog's sartorius muscle fibers were studied. This drug produced a local-anestheticlike effect which developed slowly over 1 to 5 h with lower concentrations (2.7 to 5.3 X 10(-6 M) but was completely reversed ...

journal_title：Canadian journal of physiology and pharmacology

authors： Durham HD,Frank GB,Marwaha J

更新日期：1977-06-01 00:00:00

abstract：:At a critical premature interval, atrial premature beats encounter sinus node refractoriness and are blocked on entering and fail to reset the sinus node, resulting in interpolation of the premature beat. The transition from reset to interpolated response has been used to define the effective refractory period of the ...

journal_title：Canadian journal of physiology and pharmacology

authors： Kerr CR

更新日期：1989-10-01 00:00:00

abstract：:Using a time-lapse cinephotomicrographic technique, the locomotory paths taken by lymphocytes have been shown to satisfy the requirements for a continuous-time Markov chain analysis consisting of four directional states defined by the four quadrants of a Cartesian plane and state 0 in which the cells are stationary. T...

journal_title：Canadian journal of physiology and pharmacology

authors： Noble PB,Boyarsky A,Bentley KC

更新日期：1979-01-01 00:00:00

abstract：:Acetylcholine (ACh)-mediated vagal transmission as well as nonneuronal ACh release are considered cardioprotective in pathological situations with increased sympathetic drive such as ischemia-reperfusion and cardiac remodeling. ACh action is terminated by hydrolysis by the cholinesterases (ChEs), acetylcholinesterase,...

journal_title：Canadian journal of physiology and pharmacology

authors： Kilianova Z,Ciznarova N,Szmicsekova K,Slobodova L,Hrabovska A

更新日期：2020-07-01 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：:This report reviews the research and mentoring career of Richard B. Stein (1940-). In 1962, he completed a B.S. degree in physics at the Massachusetts Institute of Technology, USA, and thereafter an M.A. (1964), Ph.D. (1966), and postdoctoral training (1966-68) at the University of Oxford, UK. He subsequently assumed ...

journal_title：Canadian journal of physiology and pharmacology

authors： Stuart DG

更新日期：2004-08-01 00:00:00

abstract：:The role of sodium and calcium on strophanthidin inotropy was studied in canine cardiac Purkinje fibers perfused in vitro under conditions that vary cellular sodium and calcium. With high concentrations of strophanthidin (greater than or equal to 10(-7) M), force increases more in the presence of low [Ca]0 or high [Na...

journal_title：Canadian journal of physiology and pharmacology

authors： Li T,Bernabei R,Carbonin P,Vassalle M

更新日期：1986-11-01 00:00:00

abstract：:Smooth muscle cells exhibit phenotypic and mechanical plasticity. During maturation, signalling pathways controlling actin dynamics modulate contractile apparatus-associated gene transcription and contractile apparatus remodelling resulting from length change. Differentiated myocytes accumulate abundant caveolae that ...

journal_title：Canadian journal of physiology and pharmacology

authors： Halayko AJ,Stelmack GL

更新日期：2005-10-01 00:00:00

abstract：:The leaves and bark of Cassia glauca Lam., a glabrous tree in the family Fabaceae, are used in folk medicine for the treatment of diabetes. The aim of this study was to investigate the antidiabetic activity of the aqueous extract of C. glauca bark. The various parameters that were studied in treated or untreated normo...

journal_title：Canadian journal of physiology and pharmacology

authors： Salahuddin M,Jalalpure SS,Gadge NB

更新日期：2010-02-01 00:00:00