Why do human primary fibroblasts not proliferate but differentiate into myofibroblasts- like cells in normal culture?

I resuscitate human primary fibroblasts(P5) and culture in DMEM(Gibco, 11965) plus 10% FBS(Gibco) and 100 U/mL penicillin, 100 μg/mL streptomycin, but these cells proliferate very slow and...

05 May 2012 8,355 13 View