Figure 7. Schematic representation of the regulatory role of BMSCs-derived exosomal MALAT1 in osteoporosis by mediating miR-34c/SATB2 axis. BMSCs-derived exosomal MALAT1 acts as a sponge of miR-34c to increase the expression of SATB2, which is conducive to promoting osteogenesis in osteoporosis.