ptdser caused a mean increase of 41 % in ptdcho labeling , but the phorbol ester , phorbol 12-myristate 13-acetate ( pma ) , which stimulates ptdcho synthesis in a number of cell lines , increased [ 14c ] ptdcho levels by only 14 % in la-n-2 cells , at a concentration ( 100 nm ) which caused complete translocation of the calcium- and phospholipid-dependent enzyme protein kinase c to the membrane .
C0031586
phorbol ester
C0039654
phorbol