Bionic Silk Fibroin Film Promotes Tenogenic Differentiation of Tendon Stem/Progenitor Cells by Activating Focal Adhesion Kinase

Figure 1

Isolation and identification of TSPCs: (a–d) immunofluorescence staining of CD3 (a), CD34 (b), CD44 (c), and CD90 (d); (e) cell morphology of TSPCs on the tissue culture plate under a light microscope; (f–h) Oil red O staining, Alizarin red staining, and Alcian blue staining of TSPCs after the induction of adipogenesis, osteogenesis, and chondrogenesis.

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