NKX2-5 and myocardial infarction: For instance, Wojakowski et al. found that myocardial infarction induces the BM to release CD34/CXCR4+, CD34/CD117+, and c-Met+ progenitor cells, which express the cardiac genes GATA4, MEF2C, Nkx2.5/Csx [48].