this csf species appears to exist in two forms , termed csf-2 alpha and csf-2 beta , both of which stimulate the growth of bone marrow cells in the granulocyte , macrophage , megakaryocyte , mast cell , and erythrocyte lineages , as well as the growth of a csf-dependent cell line , fdc-p2 .
C0009392
csf
C0021757
csf-2 alpha