Fig. 4From: Nanoparticles functionalized with stem cell secretome and CXCR4-overexpressing endothelial membrane for targeted osteoporosis therapyMSC-Sec/CXCR4 NPs reduces OVX-induced osteoporosis in rats. A Schematic showing the design of in vivo experiments in rats with osteoporosis. B Photograph of OVX surgery to induce osteoporosis. C micro-CT images of distal femur after treating with different samples at 4 week and 16 weeks. Quantitative results of D BMD changes and some trabecular parameters, including trabecular bone volume expressed as percentage of E total tissue volume (BV/TV), F trabecular thickness (Tb.Th), and G trabecular separation (Tb.Sp). n = 6 rats per group. *p < 0.05, **p < 0.01, ***p < 0.001, and ****p < 0.0001Back to article page