Fig. 2From: Lentivirus-mediated short hairpin RNA interference targeting TNF-alpha in macrophages inhibits particle-induced inflammation and osteolysis in vitro and in vivoMacrophage and particles under scanning electron microscopy. a Non-stimulated macrophage alone (8000×), b Macrophages stimulated with titanium particles (0.82 ± 0.12 μm) (5500×)Back to article page