Fig. 5From: Metformin suppresses UHMWPE particle-induced osteolysis in the mouse calvaria by promoting polarization of macrophages to an anti-inflammatory phenotypemRNA expression and secretion of cytokines by mouse calvarial tissue after implantation of UHMWPE particles and treatment with saline (control), metformin, or ALN. Relative (to that in the sham group) expression of TNF-α, IL-6, RANKL, and IL-10 (a, c, e, g, respectively) and secretion of TNF-α, IL-6, RANKL, and IL-10 (b, d, f, h, respectively) among the different treatment groups. ***P < 0.001; **P < 0.01; *P < 0.05; NS, P > 0.05Back to article page