the effects of 12-o-tetradecanoylphorbol-13 acetate ( tpa ) on dna synthesis , phenotypic expression , cytoplasmic ca2+ ( ca2+i ) , intracellular ph ( phi ) and membrane potential were studied in the monoblastic u-937 and the erythroleukemic k-562 cells .
C0010834
cytoplasmic
C0007634
cells