Abstract

To investigate the effects of recombinant Murine RANK on the osteoclast activity. Osteoclast was observed with soluble RANK. Female Wistar rats were bilaterally ovariectomized, and intra-abdominally injected with 5 mg/Kg soluble RANK. The bone metabolism, bone density, and bone histomorphology were observed. Compared with the control group, the quantity of TRAP-positive osteoclasts and bone resorption pit counting in the rest groups were significantly reduced. The bone density of the dosed groups was significantly increased and TRAP-stained osteoclasts in bone tissue sections were almost inhibited. rh-Murine RANK was able to inhibit osteoclast differentiation and prevent ovariectomy-induced bone loss.

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