low concentrations ( 1.6-16 nm ) and to a lesser extent higher concentrations ( greater than 1.6 microm ) of tpa and pdbu stimulated cell proliferation in a 1 % serum , hormone-supplemented medium and triggered the dna synthesis revealed by autoradiography in cells which were quiescent before stimulation in serum-free conditions .
C0596290
cell proliferation
C0007634
cells