Diagram for identifying apoptosis-associated miRNAs and their target genes in myocardial infarction. Total RNA was isolated from infracted cardiac tissues for miRNA array. Up- or down-regulated apoptosis-associated miRNAs were indicated in myocardial infarction. Potential target genes regulated by apoptosis-associated mRNAs were screened out and further validated by qRT-PCR. The inhibitory effect on the change of apoptosis-associated miRNAs was observed after skeletal myoblast transplantation therapy.