Fig. 5From: Different phenotypes and chondrogenic responses of human menstrual blood and bone marrow mesenchymal stem cells to activin A and TGF-β3Levels of secreted activin A after 3 days of chondrogenic differentiation in MenSCs and BMMSCs in incomplete chondrogenic medium (control) or incomplete chondrogenic medium + TGF-β3 (10 ng/mL). Pellet cultures, ELISA assay. Data are presented as mean ± SD, horizontal bars represent p ≤ 0.05Back to article page