Research Article

Effect of Activated Platelet-Rich Plasma on Chondrogenic Differentiation of Rabbit Bone Marrow-Derived Mesenchymal Stem Cells

Figure 7

Type II collagen immunohistochemistry of BMSC pellets after 3-week culture in vitro in commercial chondrogenic medium (Ctrl) and 3 PRP groups. Positive staining is indicated by a reddish brown color. .