we report here the presence of multiple growth factors in conditioned medium ( cm ) from the tc-1 line , including granulocyte-macrophage colony-stimulating factor ( gm-csf ) ( bioassay with antibody blocking and messenger rna [ mrna ] analysis ) , granulocyte csf ( g-csf ) and il-4 ( factor-dependent cell line bioassay ) , and csf-1 ( radioimmunoassay , mrna ) along with a pre-b cell inducing activity , which appears separate from these csfs and segregates with the myeloid synergizing activity through anion exchange , sizing , and conconavalin a chromatography .
C0018284
growth factors
C0079460
granulocyte-macrophage colony-stimulating factor