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. 2019 Feb 27;151(6):786–797. doi: 10.1085/jgp.201812236

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© 2019 Morales et al.

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Figure 2. — L-type calcium current during an AP upon β-adrenergic stimulus. (A and B) Representative nifedipine-sensitive current (solid line) elicited by the AP (dashed line) prerecorded from the same cell in control (A) and isoproterenol-treated (B) newborn rat cardiomyocytes. (C) Bar graph of maximal current normalized by cell capacitance (pA/pF); total time of nifedipine-sensitive current normalized by its APD (TTC_norm); and the total current integral normalized by cell capacitance (Q_total). Data are presented as percentages with respect to the controls. The bar graph shows mean ± SEM; empty bars represent control cardiomyocytes and green bars correspond to isoproterenol-treated cardiomyocytes (n = 6; *P < 0.01 with respect to control).