CACNA1C and atrial fibrillation: A more recent study revealed that lncRNA KCNQ1 overlapping transcript 1 (KCNQ1OT1) is upregulated in Ang-II-induced AF mice hearts and promotes Ang-II-induced AF by acting as a sponge for miR-384b to facilitate CACNA1C expression (Shen et al. 2018).