the molecularly cloned and expressed gene product for this growth factor demonstrates the following activities in vitro : using fresh bone marrow or purified subpopulations of nonadherent cells from murine continuous bone marrow cultures as target cells : stimulation of colony formation by gm-cfuc , mast cell progenitor cells , multipotential granulocyte/erythroid/megakaryocyte/macrophage progenitor cells ( cfu-gemm ) colonies , erythroid progenitor cells forming macroscopic bursts ( bfue ) , and megakaryocyte progenitor cells ( cfu-mega ) .
C0005953
bone marrow
C2350175
erythroid progenitor cells