Literature DB >> 658244

Electrogenic hyperpolarization in canine cardiac Purkinje fibres exposed to calcium ionophores.

J M Gelles, R Zeiler.   

Abstract

The Ca ionophores markedly enhance the increase of intracellular Ca occurring during Na-free perfusion and the hyperpolarization observed upon Na readmission may be due to rapid restoration of intracellular Na and resultant stimulation of both electrogenic sodium and calcium efflux.

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Year:  1978        PMID： 658244     DOI： 10.1007/BF01936995

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


  13 in total

1.  Biological applications of ionophores: theory and practice.

Authors:  B C Pressman; N T deGuzman
Journal:  Ann N Y Acad Sci       Date:  1975-12-30       Impact factor: 5.691

2.  The effect of substances releasing intracellular calcium ions on sodium-dependent calcium efflux from guinea-pig auricles.

Authors:  H Jundt; H Porzig; H Reuter; J W Stucki
Journal:  J Physiol       Date:  1975-03       Impact factor: 5.182

3.  The electrophysiological effects of ionophore X-537A on cardiac purkinje fibres.

Authors:  J M Gelles
Journal:  Experientia       Date:  1976

4.  The sodium-calcium relationship in mammalian myocardium: effect of sodium deficient perfusion on calcium fluxes.

Authors:  I R Wendt; G A Langer
Journal:  J Mol Cell Cardiol       Date:  1977-07       Impact factor: 5.000

5.  Use of calcium ionophores to determine the effects of intracellular calcium on the action potential of canine cardiac Purkinje fibers.

Authors:  J M Gelles
Journal:  Circ Res       Date:  1977-07       Impact factor: 17.367

6.  A23187: a divalent cation ionophore.

Authors:  P W Reed; H A Lardy
Journal:  J Biol Chem       Date:  1972-11-10       Impact factor: 5.157

7.  The dependence of calcium efflux from cardiac muscle on temperature and external ion composition.

Authors:  H Reuter; N Seitz
Journal:  J Physiol       Date:  1968-03       Impact factor: 5.182

8.  Adrenergic influences on uterine smooth muscle.

Authors:  J M Marshall; E A Kroeger
Journal:  Philos Trans R Soc Lond B Biol Sci       Date:  1973-03-15       Impact factor: 6.237

9.  The effect of extracellular potassium on the intracellular potassium ion activity and transmembrane potentials of beating canine cardiac Purkinje fibers.

Authors:  D S Miura; B F Hoffman; M R Rosen
Journal:  J Gen Physiol       Date:  1977-04       Impact factor: 4.086

10.  The inner quaternary ammonium ion receptor in potassium channels of the node of Ranvier.

Authors:  C M Armstrong; B Hille
Journal:  J Gen Physiol       Date:  1972-04       Impact factor: 4.086
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