when culture conditions were modulated , the first culture , l 428 , gave rise to two sublines : l 428 ks , after adaptation to calf serum , and l 428 ksa , permanently growing as an adherent monolayer line after treatment with a phorbol ester ( 12-o-tetradecanoylphorbol-13-acetate ) for 3 weeks .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate