Fig. 7From: Magnetofection of miR-21 promoted by electromagnetic field and iron oxide nanoparticles via the p38 MAPK pathway contributes to osteogenesis and angiogenesis for intervertebral fusion Histological verifications [haematoxylin and eosin (HE), Masson, and immunohistochemical staining analysis] of bone regeneration. A, C HE and Masson staining images detecting the intervertebral fusion condition (A), and corresponding new bone area fraction analysis (C). B, D–F Immunohistochemical staining of the osteogenic markers alkaline phosphatase (ALP), Col 1, and OCN (B) and corresponding quantification of ALP (+) (D), Col 1(+) (E), and OCN (+) (F) cellsBack to article page