Fig. 3From: Combining mesenchymal stem cell sheets with platelet-rich plasma gel/calcium phosphate particles: a novel strategy to promote bone regenerationFlow cytometry results for BMSCs, expressing CD44, CD73, CD90 and CD105, but not CD45. Red histogram is the negative control. Left side of the blue histogram (in the negative control part) represents the negative expression of CD marker; right side represents the positive expression of CD markerBack to article page