NCS1 and neuroblastoma: NCS‐1 interacts with IP3R and increases its opening probability (Schlecker et al., 2006), and NCS‐1 silencing reduces IP3‐mediated Ca2+ signals mediated by ATP in neuroblastoma cells (Boehmerle et al., 2007) and endothelin in cardiomyocytes (Zhang et al., 2010).