although e2 ( 10 ( -8 ) m ) did not increase rates of proliferation during the initial logarithmic growth period of the cultures under the chosen experimental conditions ( mem with 15 % charcoal-treated fetal bovine serum renewed every 2-3 days ) , it sustained cell proliferation after about day 10 , when parallel control cultures had reached plateau cell densities .
C0018270
growth
C0596290
cell