Modulation of sulfated proteoglycan synthesis and collagen gene expression by chondrocytes grown in the presence of bFGF alone or combined with IGF1.

Abstract excerpt

Prepubertal rabbit epiphyseal chondrocytes were grown in high density primary culture for 3 d. They were then incubated for 3 additional d in serum-free culture medium to which bFGF (1-50 ng/ml) was added. During the last 24 h incubation period, either IGF1 (1-80 ng/ml) or Insulin (1-5 micrograms/ml) was added to the culture medium. Chondrocyte DNA was significantly augmented with the increasing concentration of...

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