Peripheral Blood Stem Cells (PBSCs) are present in the circulation; they can be mobilize into the peripheral blood and collected with ease to treat many hematological disorders. These qualities have since enthralled scientist around the world to conduct research and clinical trials on the potentials of PBSC to repopulate the hematopoietic system. Granulocyte colony stimulating factor (G-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF) have been commonly used to mobilize PBSCs
