fgf ( 10 to 200 ng/ml ) caused appreciable cell proliferation of dermal fibroblasts but not of chondrogenic cells , while fgf ( 50-200 ng/ml ) caused very marked dose-dependent morphological changes in monolayer cultures and colony formation in semisolid medium of both fibroblasts and chondrogenic cells .
C0016030
fibroblasts
C0007634
cells