Literature DB >> 7379950

Effects of intracellular or extracelluar application of tetraethylammonium on the action potential in cultured chick embryonic heart muscle cell.

Y Maruyama, E Yamashita, H Inomata.   

Abstract

The effects of tetraethylammonium (TEA) on the action potential in cultured chick embryonic heart muscle cells were investigated. The onset of prolongation of the action potential occurred within 10 min following intracellular iontophoretic application of TEA, but after more than 50 min following extracellular application. These facts suggest the major site of action of TEA is on the inner surface of the membrane these cells.

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Year:  1980        PMID: 7379950     DOI: 10.1007/bf01965798

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


  8 in total

1.  TRANSMEMBRANE POTENTIALS OF TRYPSIN-DISPERSED CHICK HEART CELLS CULTURED IN VITRO.

Authors:  D LEHMKUHL; N SPERELAKIS
Journal:  Am J Physiol       Date:  1963-12

2.  Is potassium conductance of cardiac Purkinje fibres controlled by (Ca2+)?

Authors:  G Isnberg
Journal:  Nature       Date:  1975-01-24       Impact factor: 49.962

3.  Ionic currents in the guinea-pig taenia coli.

Authors:  H Inomata; C Y Kao
Journal:  J Physiol       Date:  1976-02       Impact factor: 5.182

4.  Effect of intracellular tetraethylammonium ion on action potential in the guinea-pig's myocardium.

Authors:  R Ochi; H Nishiye
Journal:  Pflugers Arch       Date:  1974-05-06       Impact factor: 3.657

5.  Calcium and potassium systems of a giant barnacle muscle fibre under membrane potential control.

Authors:  R D Keynes; E Rojas; R E Taylor; J Vergara
Journal:  J Physiol       Date:  1973-03       Impact factor: 5.182

6.  ANOMALOUS RECTIFICATION IN THE SQUID GIANT AXON INJECTED WITH TETRAETHYLAMMONIUM CHLORIDE.

Authors:  C M ARMSTRONG; L BINSTOCK
Journal:  J Gen Physiol       Date:  1965-05       Impact factor: 4.086

7.  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

8.  Ionic interconversion of pacemaker and nonpacemaker cultured chick heart cells.

Authors:  N Sperelakis; D Lehmkuhl
Journal:  J Gen Physiol       Date:  1966-05       Impact factor: 4.086

  8 in total
  1 in total

1.  MinK endows the I(Ks) potassium channel pore with sensitivity to internal tetraethylammonium.

Authors:  F Sesti; K K Tai; S A Goldstein
Journal:  Biophys J       Date:  2000-09       Impact factor: 4.033

  1 in total

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