Research Article

Microenvironment Influences on Human Umbilical Cord Mesenchymal Stem Cell-Based Bone Regeneration

Figure 9

Assessment of engineered bone formation in the in vivo ectopic and orthotopic microenvironment after 3 months of surgery. (a) nHAC/PLA. (b) hUC-MSCs+nHAC/PLA. (c) hUC-MSCs+nHAC/PLA+OMD. (d) hUC-MSCs+nHAC/PLA+OMD+rhBMP-7. . Green indicated newly formed bone in micro-CT image. HB: host bone; NB: new bone; n: nHAC/PLA.