by cloning k-562 ( s ) cells in semi-solid medium ( o,33 % agar ) containing 75 microm hemin a variant cell line , denominated k-562 ( s6 ) , have been isolated which does not undergo terminal cell division but does express human globin genes and accumulates on the average 12 pg of hb/cell .
C0086418
human
C3825351
globin genes