a clonal , factor-dependent early pre-b-cell line ( d1f9 ) , selected for continuous growth on nih 3t3 cell feeder layers producing human csf-1 , could be maintained in rpmi 1640 medium containing interleukin-7 ( il-7 ) but also differentiated to macrophages when grown in iscove modified dulbecco medium containing human csf-1 .
C0021761
interleukin-7
C0086418
human