SLC11A2 and myocardial infarction: In acute myocardial infarction (AMI) in mouse cardiomyocytes, miR-23a-3p-enriched hUC-MSC-Exos inhibit the expression of divalent metal transporter 1 (DMT1), elevating GSH levels while reducing ROS and malondialdehyde (MDA) production [216].