Telomere Attrition Occurs during Ex Vivo Expansion of Human Dental Pulp Stem Cells
Figure 1
Phase contrast micrograph of DPSCs in culture. (a) Small colonies (CFU-F) formed by DPSCs appeared in primary culture after 3 days in vitro. (b) Spindle-shaped morphology of cells in culture reaching 70% confluence. Scale bars 50 m.