NCIt definition : A recombinant therapeutic agent which is chemically identical to or similar to the
endogenous cytokine granulocyte colony-stimulating factor (G-CSF). Secreted by monocytes,
macrophages and neutrophils and other cells after activation, G-CSF stimulates the
proliferation and differentiation of hematopoietic progenitor cells committed to the
neutrophil/ granulocyte lineage. (NCI04);