Salvia miltiorrhiza is a widely used traditional Chinese medicine in cardiovascular diseases, and its constituent Tanshinone IIA was observed to decrease infarct size by increasing the recruitment of BMSCs to the infarct region by upregulating the SDF-1/CXCR-4 axis in a rat MI model (175). This evidence concerns the gene CXCR4 and myocardial infarction.