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Fig. 4 | Stem Cell Research & Therapy

Fig. 4

From: Different phenotypes and chondrogenic responses of human menstrual blood and bone marrow mesenchymal stem cells to activin A and TGF-β3

Fig. 4

a Levels of activin A in supernatants of MenSCs and BMMSCs monolayer cultures on days 1, 3, 5, 8, and 12 of cell proliferation in complete DMEM medium. ELISA assay. Data presented as mean ± SD, *p ≤ 0.05. b Secreted levels of activin A, normalized according to CCK-8 absorbance of MenSCs and BMMSCs on days 8 and 12. Horizontal bars represent p ≤ 0.05

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