MSCs and meniscal cells were loaded onto the scaffolds as previously described [13, 25]. Briefly, MSCs and meniscal cells were trypsinized, counted, washed, and resuspended in DMEM-high glucose at a concentration of 1.0 × 106 cells into the composite scaffolds. The cell-scaffold constructs were implanted in the meniscus punch defects without preculture [11].
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