Fig. 6From: Temporal induction of Lhx8 by optogenetic control system for efficient bone regenerationImmunohistochemistry of bone regeneration in vivo. a Representative immunohistochemical staining images of OCN and OPN. Arrows point to the positive area. Scale bar=100μm. b, c Quantitative analysis of OCN and OPN expression from immunohistochemical staining in a. IOD: immunohistochemical optical density. n =3–4. **P<0.01, ***P<0.001, ****P<0.0001 vs. CtrlBack to article page