Literature DB >> 729722

Sodium-dependence of sustained force in potassium contracture of cat ventricle.

J R Wiggins, A L Bassett.   

Abstract

Following exposure to low-Na solutuion, the initial phase of K-contracture in cat ventricle is prominent while the second (sustained) phase is markedly attenuated. Monensin, a Na-specific ionophore, enhances the second phase of K-contracture following exposure to low-Na solution.

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Year:  1978        PMID： 729722     DOI： 10.1007/bf02034693

Source DB:  PubMed          Journal:  Experientia        ISSN： 0014-4754


  16 in total

1.  Protagonistic effects of Na and Ca on tension development in cardiac muscle at low extracellular Na concentrations.

Authors:  P Busselen; E Carmeliet
Journal:  Nat New Biol       Date:  1973-05-09

2.  Direct effects of the monovalent cation ionophores monensin and nigericin on myocardium.

Authors:  J L Sutko; H R Besch; J C Bailey; G Zimmerman; A M Watanabe
Journal:  J Pharmacol Exp Ther       Date:  1977-12       Impact factor: 4.030

3.  Effects of carboxylic ionophore monensin on atrial contractility and Ca2+ regulation by isolated cardiac microsomes.

Authors:  M Shlafer; P Somani; B C Pressman; R F Palmer
Journal:  J Mol Cell Cardiol       Date:  1978-04       Impact factor: 5.000

Review 4.  Exchange of calcium ions in the mammalian myocardium. Mechanisms and physiological significance.

Authors:  H Reuter
Journal:  Circ Res       Date:  1974-05       Impact factor: 17.367

5.  Correlation of Na-withdrawal effects on Ca-mediated action potentials and contractile activity in cat ventricular myocardium.

Authors:  R Weiss; H Tritthart; B Walter
Journal:  Pflugers Arch       Date:  1974       Impact factor: 3.657

Review 6.  Biological applications of ionophores.

Authors:  B C Pressman
Journal:  Annu Rev Biochem       Date:  1976       Impact factor: 23.643

7.  Direct and beta adrenergic blocking actions of nadolol (SQ 11725) on electrophysiologic properties of isolated canine myocardium.

Authors:  J K Gibson; H Gelband; A L Bassett
Journal:  J Pharmacol Exp Ther       Date:  1977-09       Impact factor: 4.030

8.  The effect of temperature on potassium chloride contracture in cat myocardium.

Authors:  A L Bassett; J R Wiggins
Journal:  J Physiol       Date:  1976-06       Impact factor: 5.182

9.  Caffeine and KC1 contracture in cat myocardium.

Authors:  J R Wiggins; A L Bassett
Journal:  Eur J Pharmacol       Date:  1976-05       Impact factor: 4.432

10.  Activities of potassium and sodium ions in rabbit heart muscle.

Authors:  C O Lee; H A Fozzard
Journal:  J Gen Physiol       Date:  1975-06       Impact factor: 4.086
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  3 in total

1.  The tension-depolarization relationship of frog atrial trabeculae as determined by potassium contractures.

Authors:  R A Chapman; J Tunstall
Journal:  J Physiol       Date:  1981-01       Impact factor: 5.182

2.  Potential and tension changes induced by sodium removal in dog Purkinje fibres: role of an electrogenic sodium-calcium exchange.

Authors:  E Croaboeuf; P Gautier; P Giuraudou
Journal:  J Physiol       Date:  1981-02       Impact factor: 5.182

3.  The effect of high K+ depolarization and verapamil on 45Ca2+ fluxes in the canine myocardium.

Authors:  N J Lodge; A L Bassett; H Gelband
Journal:  Pflugers Arch       Date:  1985-02       Impact factor: 3.657
  3 in total

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