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. 2016 Dec 16;13(2):299–308. doi: 10.1007/s12015-016-9708-y

Fig. 3.

Fig. 3

The presence of chondrogenic markers was demonstrated by immunofluorescence analysis. The human-induced pluripotent stem cells (hiPSC)-derived chondrocytes: DIRECT, TGF-β3, COND, TGF-β3+ COND did not reveal the presence of pluripotency markers: Nanog, OCT4, E-cadherin (a), but they did express desirable chondrogenic proteins: COMP, type II and IX collagen, aggreccan (AGG), SOX6 and SOX9 (b). The pluripotency and chondrogenic markers were quantified to better show the differences between particular differentiation protocols (c and d)