Fig. 2From: MiR-25 overexpression inhibits titanium particle-induced osteoclast differentiation via down-regulation of mitochondrial calcium uniporter in vitroDown-regulation of MCU reduces osteoclast differentiation. a TRAP staining after exposure of the cells in each group to Ti particles or control medium for 5 days. Scale bars, 200 μm. b Numbers of osteoclasts counted in microscopic fields. ***p < 0.001Back to article page