Effect of 1,25-Dihydroxyvitamin D3 on Stem Cells from Human Apical Papilla: Adhesion, Spreading, Proliferation, and Osteogenic Differentiation

Figure 3

Identification of human root tip papillary stem cells. (a) Oil red O staining after 21 days of SCAPs-induced differentiation, lipid droplets indicated by arrows, ×100; (b) ALP staining of SCAPs-induced differentiation for 14 days, ALP staining-positive areas indicated by arrows, ×100; (c) Alizarin Red staining after 21 days of SCAPs-induced differentiation, mineralized nodules indicated by arrows, ×100.

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