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. Author manuscript; available in PMC: 2014 Apr 22.
Published in final edited form as: J Cell Biochem. 2013 Apr;114(4):908–919. doi: 10.1002/jcb.24430

Figure 2.

Figure 2

Glycosaminoglycan (GAG) (A) or collagen (B) produced by articular chondrocytes carrying the designated growth factor transgenes. Chondrocytes were transfected with individual or multiple vectors encoding IGF-I (I1), FGF-2 (F2), TGF-β1 (T1), BMP-2 (B2), BMP-7 (B7) or empty vector (C) and cultured for 6 days. GAG or collagen released into the medium and retained by the cells were measured separately. Data are expressed as GAG or collagen normalized to control ± SD for 3 independent experiments.