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. 2021 Apr 29;12:251. doi: 10.1186/s13287-021-02286-w

Fig. 9.

Fig. 9

Production of GAGs in atelocollagen/PLLA constructs by MenSCs and BMMSCs, treated for 2 days with activin A (50 ng/mL), followed by 21 days with TGF-β3 (10 ng/mL), TGF-β3 (10 ng/mL), and subcutaneous insertion into mice for 9 weeks, spectrophotometrically measured by GAG assay. Control constructs were differentiated under the same conditions, but without growth factors. Data are presented as mean ± SD, horizontal bars represent p ≤ 0.05