Fig. 4

Bone loss was inhibited by HUVEC-exos in vivo. A Representative μCT images of femora from OVX mice treated with PBS or HUVEC exos, scale bar = 300 nm. B Quantitative μCT analysis of Fig. 4A. C Representative images of TRAP staining in OVX mice femora treated with PBS or HUVEC-Exos, scale bar = 300 nm. D Quantitative analysis of the number of osteoclasts (OCs) on trabecular bone surface in Fig. 4C. n = 7 per group