Fig. 5

Immunohistochemical staining (15th day) (x100 magnification). The EGF and VEGF expressions significantly increased (red arrows) and FGF expression notably downregulated in geriatric rats treated with lyophilized PRF and MSCs.

Immunohistochemical staining (15th day) (x100 magnification). The EGF and VEGF expressions significantly increased (red arrows) and FGF expression notably downregulated in geriatric rats treated with lyophilized PRF and MSCs.