Fig. 2

Representative immunofluorescence staining of CD63, CD90, and CD163 in defect areas. a Immunofluorescence staining of CD63 and CD90 and semiquantification of positively stained cells. b Immunofluorescence staining of CD63 and CD163 and semiquantification of positively stained cells. *P < 0.05 vs EMC, **P < 0.01 vs EMC