Literature DB >> 6434894

Effects of amiloride on calcium uptake by myocytes isolated from adult rat hearts.

R A Altschuld, C M Hohl, K G Lamka, G P Brierley.   

Abstract

Amiloride at high concentrations inhibits the uptake of Ca by rat heart myocytes containing elevated levels of intracellular Na and retards the development of Ca-dependent hypercontracture in these cells. In contrast, amiloride enhances the net uptake of Ca in Ca-tolerant myocytes containing normal levels of Na. The results suggest that amiloride may inhibit Na-Ca exchange across the sarcolemma of cardiac myocytes.

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Year:  1984        PMID: 6434894     DOI: 10.1016/0024-3205(84)90412-0

Source DB:  PubMed          Journal:  Life Sci        ISSN: 0024-3205            Impact factor:   5.037


  4 in total

1.  Electrogenic sodium-calcium exchange in cultured embryonic chick heart cells.

Authors:  R Jacob; M Lieberman; S Liu
Journal:  J Physiol       Date:  1987-06       Impact factor: 5.182

2.  Effect of stimulation and veratrine on total cellular calcium in rat and guinea-pig ventricular myocytes.

Authors:  T Henden; T S Larsen; D A Lathrop
Journal:  Basic Res Cardiol       Date:  1993 Nov-Dec       Impact factor: 17.165

3.  Effects of N-chlorobenzyl analogues of amiloride on myocardial contractility, Na-Ca-exchange carrier and other cardiac enzymatic activities.

Authors:  M Floreani; M Tessari; P Debetto; S Luciani; F Carpenedo
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1987-12       Impact factor: 3.000

4.  Functional role of sodium pump in human placental arteries.

Authors:  M S Fernández-Alfonso; C F Sánchez-Ferrer; M Salaices; J Marín
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1992-01       Impact factor: 3.000

  4 in total

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