The interaction between chemokine receptor type 4 (CXCR4) and its ligand. stromal cell-derived factor (SDF)-1. plays an important role in stem cell mobilization and migration in ischemic tissues. MicroRNAs (miRs) are key regulators of stem cell function and are involved in regulation of stem cell survival and differentiation to adopt different cell lineages. https://megavitamines.shop/product-category/nmn-flavonoid-complex/