AGT and atrial fibrillation: Moreover, miR-30a regulates Ang II-induced cardiomyocyte autophagy30, MI-induced cardiac dysfunction31, ischemia‒reperfusion injury in murine cardiomyocytes32,33, atrial fibrillation-induced myocardial fibrosis34, and pressure overload-induced cardiomyocyte hypertrophy35.