we now report that phorbol ester-induced differentiation of the hl-60 and u-937 cells results in the induction of the expression of the c-sis platelet-derived growth factor 2 ( pdgf-2 ) protooncogene . sis mrna transcripts were not detectable in the uninduced cells but were detectable within 12 hr of phorbol ester induction .
C0007589
differentiation
C0007634
cells