The Osteogenic Properties of Multipotent Mesenchymal Stromal Cells in Cultures on TiO₂ Sol-Gel-Derived Biomaterial

Figure 6

Micrographs presenting the immunofluorescence staining of BMSC and ASC after osteogenic differentiation on TiO₂/stainless steel and pure stainless steel surface. Cell clusters marked with asterisks. Osteopontin shown in green, osteocalcin presented in red, nuclei shown in white; yellow areas on merged micrographs indicate the colocalization of both investigated proteins. Negative control staining was included in the picture. Scale bar = 100 μm.