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. 2021 Aug 31;17(1):421–429. doi: 10.1016/j.jds.2021.08.012

Figure 5.

Figure 5

Immunohistochemical staining of the newly formed bone one week after implantation. (A) In the Defect and PBS groups, CD204-positive cells gradually increased compared with the specimens after 72 h. In the MSC-CM group, fewer iNos-positive cells and many CD204-positive cells were observed around the bone edge. Bars = 200 μm (B) The number of iNOS-positive cells was significantly reduced in the MSC-CM group 1 week after implantation, but the number of CD204-positive cells in the MSC-CM group was relatively decreased 1 week after implantation.