To detect mitochondrial membrane potential, cardiomyocytes were incubated with JC-1 (Beyotime, Shanghai, China) for 20 min at 37 °C. Cardiomyocytes were analyzed within 1 h using flow cytometry (CytoFLEX LX, Beckman, USA). All data were analyzed using EXPO32 ADC analysis software (Beckman, Washington, USA). For flow cytometry analysis, unstained cells were used as controls to identify the forward scatter/side scatter (FSC/SSC) gates used in the same experiments. A total of 10,000 cells was detected in each sample [30 (link)].
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