the human leukemic t cell line 8402 , which contains terminal deoxynucleotidyl transferase ( tdt ) and phenotypically resembles precursor thymocytes , when exposed to the phorbol ester 12-o-tetradecanoyl phorbol-13-acetate ( tpa ) undergoes in vitro t maturation .
C0031586
phorbol ester
C0039654
phorbol