Fig. 4
From: The establishment of a chemically defined serum-free culture system for human dental pulp stem cells
Cell apoptosis assay and Western blot. a Representative images of cell apoptosis from both E8 and serum-containing medium (SCM) groups. b Western blot images of cell apoptosis from both E8 and SCM groups. c Cell apoptosis comparison of the two groups (n = 5). d Western blot of DMP1 and DSPP (for odontogenic markers), OPN, RUNX2, and ALP (osteogenic markers), and GAPDH set as control. *p < 0.05, **p < 0.01