KDM6B and osteoporosis: In addition, EdU staining, ALP staining and Alizarin red staining revealed inhibited cell proliferation and decreased ALP activity and number of calcium nodules of osteoblasts in osteoporosis mice injected with miR‐15b antagomir, but promoted cell proliferation and increased ALP activity and number of calcium nodules of osteoblasts in osteoporosis mice injected with miR‐15b antagomir and expression vectors containing KDM6B (P < .05) (Figure 6C‐E).