after treatment of human foreskin fibroblasts with the mutagen benzo [ a ] pyrene ( +/- ) anti- 7,8-dihydrodiol 9,10-epoxide and selection in soft agar , 17 anchorage-independent clones were isolated and expanded , and their cellular dna was used to cotransfect nih 3t3 cells along with psv2neo .
C0016030
fibroblasts
C0007634
cellular