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Cardiomyocytes - Effect of the ß-adrenergic receptor agonist, Isoproterenol, on the impedance and EFP signals on iCells

Icon CE   CardioExcyte IsoproterenolCardioExcyte data and applications:
Cells were kindly provided by Cellular Dynamics.

A Impedance signal of 12 wells in control conditions (left) and the same 12 wells after 13 mins incubation in isoproterenol at the concentrations indicated. Isoproterenol acts as a heart stimulant, it increases heart rate, an effect which is highlighted in the inset where the trace in the presence of isoproterenol (300 nM; black) and the control trace (red) are shown overlaid. In the presence of even low concentrations of isoproterenol (1 nM), an increase in the beat rate is observed. B Bar graph showing beat rate before (dark blue) and after (light blue) incubation in isoproterenol at the concentrations indicated. At all concentrations, a clear increase in beat rate is observed. C EFP signal of 12 wells in control conditions (left) and the same 12 wells after 30 mins incubation in isoproterenol at the concentrations indicated (right). Isoproterenol shortens the FPD, an effect which is highlighted in the inset where the trace in the presence of isoproterenol (300 nM; black) and the control trace (red) are shown overlaid.

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