Prolonged Action Potential and After depolarizations Are Not due to Changes in Potassium Currents in NOS3 Knockout Ventricular Myocytes

Figure 4

Larger increase in β-AR stimulated SR Ca²⁺ load in NOS3^−/− myocytes. Summary data (mean ± S.E.M.) of the increase in SR Ca²⁺ load with β-AR stimulation in WT and NOS3^−/− myocytes (control- CONT). *𝑃<0.05 versus WT, 𝑛=11, 27 cells.