Research Article

Cell-to-Cell Culture Inhibits Dedifferentiation of Chondrocytes and Induces Differentiation of Human Umbilical Cord-Derived Mesenchymal Stem Cells

Figure 3

Quantitative gene expression levels for Col2a1 (a) and ACN (b). hUC-MSC mixed culture with hACs at a ratio of 1 : 1 for 14 days, 21 days, and 28 days, respectively. ; .
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(b)