Fig. 8From: PLGA/BGP/Nef porous composite restrains osteoclasts by inhibiting the NF-κB pathway, enhances IGF-1-mediated osteogenic differentiation and promotes bone regeneration(A) gene expression analysis of CatK via qRT‒PCR in RANKL‐induced osteoclast. The Catk level of 3 d (A) and 7 d (B) in RAW264.7 cells culture medium detected by antibody-sandwich ELISA method. *p<0.05Back to article page