Figure 4.
Bioactivity of released DNA in the transfection of MC3T3 cells. (a) Naked DNA added directly to cell medium, (b) cells transfected with control DNA complex (Fugene 6), (c) DNA containing scaffold incubated with cell for 4 h, then removed, (d) released DNA from scaffold complexed with Fugene 6. Scale bar 100 μm. (From Ref. [47] with permission)
