Calcium sparks are the elementary detectable units of calcium release through ryanodine receptors (RyRs). Hou et al. correlate Ca2+ sparks with RyR cluster configurations and provide insights into the dynamics of Ca2+ release in live cardiomyocytes at baseline and in pathological conditions.
- Laetitia Pereira
- Almudena Val-Blasco
- Ana M. Gómez