Figure 3: The IF experiment detected the expression of Runx2, OSX, ALP, and osteocalcin. A: OSX fluorescence map (200X). B: ALP fluorescence map (200X). C: Runx2 fluorescence image (200X). D: Osteocalcin fluorescence map (200X). E: Statistical chart of positive rates for Runx2, OSX, ALP, and Osteocalcin.