serial observations of blast cell colony development from spleen cells of mice treated with 5-fluorouracil ( 5-fu ) four days earlier revealed that either form of human interleukin-1 ( il-1 alpha or il-1 beta ) hastens the emergence of interleukin-3 ( il-3 ) -dependent blast cell colonies .
C0021755
interleukin-1
C0600251
il-1 alpha