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. 2019 Feb 11;9:1761. doi: 10.1038/s41598-018-37981-x

Figure 2.

Figure 2

Microscopic views of Oil Red O staining of cultured hDPSCs, hGFs and hFFs on day 21 of incubation with control medium (CM; AC) and adipogenic medium (AM; DF). Lipid droplets in red color are visible in hGFs (E) and hFFs (F), but not in hDPSCs (D), cultured in the presence of AM. (G) Quantification of oil red O staining as proportion of oil red 0-positive surface (in %). Asterisks: Mann Whitney – U/Wilcox Rank Sum Test, *p < 0.05; **p < 0.01. Colour of asterisks onto each column indicates the column used for the comparison. Abbreviations: AM, adipogenic medium; CM, control medium; hDPSCs, human dental pulp stem cells; hFF, human foreskin fibroblasts; hGF, human gingival fibroblasts. Scale bars: 100 μm.