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Effect of Iloprost on cartilage formation capacity of chondrogenically induced MSCs. (A) Alcian Blue stained paraffin sections of cartilage pellets after 21 days of incubation in chondroinductive media, supplemented with different concentration of Iloprost (300 nM and 3 μM, respectively) or PBS as control. (B) Quantification of the Alcian Blue staining. Scale bars: 200 μm; n = 6.
