The synthesis of milrinone analogues where the 4-pyridyl moiety was replaced by an ester or amide group is reported. Only amide derivatives are able to support intracellular calcium influx following chemical depolarization with 60 mM KCl in a percentage varying from 20 to 45% of differentiated H9C2 cardiomyocytes. Those cells were differentiated after chronic exposure to 10 nM retinoic acid which induces the expression of voltage-gated calcium channels. Analogues of milrinone containing an ester function did not show significant activity.

Effect of milrinone analogues on intracellular calcium increase in single living H9C2 cardiac cells

PIETRANGELO, Tiziana;GIAMPIETRO, Letizia;DE FILIPPIS, Barbara;LA ROVERE, RITA MARIA LAURA;FULLE, Stefania;AMOROSO, Rosa
2010-01-01

Abstract

The synthesis of milrinone analogues where the 4-pyridyl moiety was replaced by an ester or amide group is reported. Only amide derivatives are able to support intracellular calcium influx following chemical depolarization with 60 mM KCl in a percentage varying from 20 to 45% of differentiated H9C2 cardiomyocytes. Those cells were differentiated after chronic exposure to 10 nM retinoic acid which induces the expression of voltage-gated calcium channels. Analogues of milrinone containing an ester function did not show significant activity.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11564/173515
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