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. 2017 Jun 30;5(2):93–103. doi: 10.1093/rb/rbx018

Figure 9.

Figure 9

Expression of osteogenic genes for rat BMSCs after culturing for 1, 4, 7, 14, 21 and 28 days onto four groups of materials (COL/HA, COL, HA, BCP) as well as coverslips as two groups of controls (BC, OC), including (a, b) ALP, (c, d) COL-I and (e, f) OCN. In the line charts of (b), (d) and (f), the shadow area as a reference model is delimited between the data of OC (the upper line) and BC, facilitating to compare the expression level of osteogenic gene of cells on different materials. * refers to P < 0.05 compared with BC group, δ refers to P < 0.05 compared with OC group