two distinct regions of the transforming growth factor-beta 1 ( tgf-beta 1 ) promoter are responsive to autoregulation and activation by phorbol ester ( 12-o-tetradecanoylphorbol-13-acetate ) : sequences located between nucleotides -454 to -323 ( first promoter ) and between the two transcriptional start sites .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate