it is shown that purified recombinant human b-cell stimulating factor-1/interleukin-4 ( rh bsf-1/il-4 ) synergizes with rh granulocyte ( g ) -colony stimulating factor ( csf ) , but not with rh granulocyte-macrophage ( gm ) -csf , rh il-3 , or rh macrophage csf ( csf-1 ) to enhance colony formation in vitro by normal human bone marrow cells .
C0009392
colony stimulating factor
C0021757
il-3