il-2 receptors on normal human t lymphocytes and the leukemic cell line , hut102b2 , are rapidly phosphorylated in vivo in response to the tumor-promoting phorbol ester , 12-o-tetradecanoylphorbol 13-acetate ( tpa ) .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol 13-acetate