Fig. 6From: PDGF-BB and IL-4 co-overexpression is a potential strategy to enhance mesenchymal stem cell-based bone regenerationAlizarin Red S staining in all groups after 28 days of osteogenic differentiation. Representative images of Alizarin Red S staining (A) in all groups and quantified by absorbance at 562 nm (B) after elution in all groups of BALB/c MSCs. Representative images of Alizarin Red S staining (C) in all groups and quantified by absorbance at 562 nm (D) after elution in all groups of C57BL/6 MSCsBack to article page