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Studies on the action of nystatin on cultured rat myocardial cells and cell membranes, isolated rat hearts, and intact rats.

Abstract：

:The action of nystatin, a polyene antibiotic, was studied in rat myocardial cells, isolated rat hearts, and intact rats. Myocardial cells responded to 10 and 25 micrograms nystatin/ml with arrhythmias that could be minimized by elevated concentrations of K+ and Mg2+ or reversed by washing the cells. Similarly, the isolated heart responded to 100 micrograms nystatin/ml with arrhythmias that could be tempered by addition of elevated concentrations of K+ and Mg2+. The i.v. injection of the drug caused heart failure in intact animals at the 4-mg/kg dose level. At the subcellular level, nystatin made the myocardial cell membranes more rigid, as measured by electron spin resonance spectrometry. These findings indicate a parallel between physiocochemical changes caused by nystatin in the myocardial cell membrane and the biological changes caused by this drug in myocardial cells, isolated heart, and heart of the intact animal.

journal_name

Biochem Pharmacol

journal_title

Biochemical pharmacology

authors

Aszalos A,Bradlaw JA,Reynaldo EF,Yang GC,El-Hage AN

doi

10.1016/0006-2952(84)90040-6

subject

Has Abstract

pub_date

1984-12-01 00:00:00

pages

3779-86

issue

23

eissn

0006-2952

issn

1873-2968

pii

0006-2952(84)90040-6

journal_volume

33

pub_type

杂志文章

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