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Effects of HPDLSCs-Exo on migration of Saos2 cells. (A) Saos2 cells were cultured in α-MEM containing 10% exosome-depleted-FBS (control) and control with 2 µg/mL of HPDLSCs-Exo. The scratch-wound healing was observed at three time points after the scratch (0 h, 24 h, and 48 h). n = 4. (B) Quantification of migrated cells was performed. The values are shown as the averages of migrated cell numbers per well. n = 4, ** p < 0.01.
