Fig. 5From: Overexpression of FGF2 delays the progression of osteonecrosis of the femoral head activating the PI3K/Akt signaling pathwayThe effects of FGF-2 overexpression on delaying progression in ONFH animal model. a HE staining was measured histological changes in the trabecular bone microstructure after administration with FGF-2 overexpression plasmid. b Immunohistochemistry results of the p-Akt expression in femoral head after administration with FGF-2 overexpression plasmid (× 100 magnification)Back to article page