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Fig. 5 | Journal of Experimental Orthopaedics

Fig. 5

From: The enhancement of cartilage regeneration by use of a chitosan-based scaffold in a 3D model of microfracture in vitro: a pilot evaluation

Fig. 5

Cartilage cultivation containing cartilage pieces treated with 100 U/ml collagenase and cultured with fibrin matrix (Well 16). a and b: Fibrin respectively cartilage. Figure a representing immunohistochemistry with antibody against procollagen type I that was non-specific and b representing positive staining within cartilage. c and d: Fibrin respectively cartilage. Negative respectively positive immunohistochemistry with antibody against procollagen type II. e and f: Fibrin respectively cartilage. Negative respectively positive immunochemistry with antibody against sex-determining region Y-related high-mobility-group box 9 (SOX-9). g: Negative control for SOX-9

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