The current invention provides a method for mobilizing endothelial progenitor cells (EPC) and/or mesenchymal stem cells (MSC) in a patient, wherein the method comprises the steps of (i) administering a vascular endothelial growth factor receptor (VEGFR) agonist to the patient; and (ii) administering an antagonist of CXCR4 to the patient. Also provided are uses of EPC and MSC harvested using the methods of the invention.