on the other hand the non-physiological phorbol ester , 12-o-tetradecanoyl phorbol acetate ( tpa ) , a tumour promotor with potency of inducing differentiation in some leukaemic cell lines , induced changes in both normal thymocytes and in the leukaemic line jm1 were inconsistent with maturation , e.g . a fall in the percentage of okt3 cells .
C0031586
phorbol ester
C0039654
tetradecanoyl