Figure 3. mRNA levels of OCN (A), ALP (B), RunX2 (C), Col-II (D), LPL (E) and PPARγ (F) in PDLSCs differentiated into osteoblasts, chondrocytes and adipocytes for 21 days. Data are presented as the mean±standard deviation (SD) (n=3) (ns P>0.05, * P<0.05, ** P<0.01, *** P<0.001).