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. 2013 Mar 6;22(14):2071–2082. doi: 10.1089/scd.2012.0563

FIG. 3.

FIG. 3.

The TEM, fluorescence imaging, and CCCD analysis of regenerated meniscus at 4, 8, and 12 weeks postmeniscectomy. TEM imaging of typical cells and collagen fibrils in control group (white arrow) and MeSC-treated group (A, B, C; black arrow) at 4 and 12 weeks post-meniscectomy. CCCD analysis demonstrated a positive color fluorescence signal (DiI and CFDA) at the repair site, indicating the survival of implanted MeSCs (D). Fluorescence imaging of repaired meniscus showed surviving MeSCs within the meniscus defect at 4, 8, and 12 weeks (E, white arrow) postmeniscectomy. Scale bars=50 μm (E), 2 μm (A), 0.2 μm (B, C). *P<0.05 versus control group. TEM, transmission electron microscopy.