Literature DB >> 948354

The effect of pretreatment with reserpine on the diastolic potential of guinea-pig atrial cells.

D A Taylor, D P Westfall, S De Moraes, W W Fleming.   

Abstract

It has previously been suggested that the reserpine-induced nonspecific increase in sensitivity of the guinea-pig heart to the chronotropic effect od drugs occurs as a result of an alteration in the electrophysiological properties of the cell membrane. The results obtained in the present study provide support for this suggestion. The diastolic potential of atrial cells of perfused hearts obtained from guinea pigs treated with rerpine (0.1 mg/kg/day) for 7 days was significantly less than control. This treatment schedule of reserpine results in a significant increase in the sensitivity of perfoused hearts to the chronotropic effects of drugs...

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Year:  1976        PMID: 948354     DOI: 10.1007/bf00498874

Source DB:  PubMed          Journal:  Naunyn Schmiedebergs Arch Pharmacol        ISSN: 0028-1298            Impact factor:   3.000


  21 in total

1.  Supersensitivity in smooth muscle. Introduction and historical perspective.

Authors:  W W Fleming
Journal:  Fed Proc       Date:  1975-09

2.  The development of supersensitivity to norepinephrine after pretreatment with reserpine.

Authors:  W W FLEMING; U TRENDELENBURG
Journal:  J Pharmacol Exp Ther       Date:  1961-07       Impact factor: 4.030

3.  Altered resting membrane potential in the supersensitive vas deferens of the guinea pig.

Authors:  W W Fleming; D P Westfall
Journal:  J Pharmacol Exp Ther       Date:  1975-02       Impact factor: 4.030

4.  An isolated heart perfusion system adapted to the determination of nongaseous metabolities; with sample data upon the isolated monkey heart.

Authors:  M B CHENOWETH; E S KOELLE
Journal:  J Lab Clin Med       Date:  1946-05

Review 5.  Postjunctional supersensitivity and subsensitivity of excitable tissues to drugs.

Authors:  W W Fleming; J J McPhillips; D P Westfall
Journal:  Ergeb Physiol       Date:  1973

6.  The effect of reserpine treatment on the chronotropic and inotropic sensitivities of the perfused guinea-pig heart to norepinephrine and calcium.

Authors:  D A Taylor; D P Westfall; W W Fleming
Journal:  Eur J Pharmacol       Date:  1974-11       Impact factor: 4.432

7.  The sensitivity of the guinea-pig pacemaker to norepinephrine and calcium after pretreatment with reserpine.

Authors:  D P Westfall; W W Fleming
Journal:  J Pharmacol Exp Ther       Date:  1968-12       Impact factor: 4.030

8.  Sensitivity changes in the dog heart to norepinephrine, calcium and aminophyline resulting from pretreatment with reserpine.

Authors:  D P Westfall; W W Fleming
Journal:  J Pharmacol Exp Ther       Date:  1968-01       Impact factor: 4.030

9.  Sympathomimetic effects of acetaldehyde on the electrical and contractile characteristics of isolated left atria of guinea pigs.

Authors:  M J Walsh; P B Hollander; E B Truitt
Journal:  J Pharmacol Exp Ther       Date:  1969-05       Impact factor: 4.030

10.  Electrical membrane activity and frequency-force relations in normal, denervated and reserpine-pretreated cat heart muscle.

Authors:  B Spilker; P Cervoni
Journal:  J Pharmacol Exp Ther       Date:  1969-07       Impact factor: 4.030

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  1 in total

1.  The effect of reserpine treatment on the extraneuronal uptake of [3H]-isoprenaline into rat atria.

Authors:  A J Morton
Journal:  Br J Pharmacol       Date:  1985-09       Impact factor: 8.739

  1 in total

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