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. 2014 Oct 8;3(12):1526–1534. doi: 10.5966/sctm.2014-0038

Figure 4.

Figure 4.

Reprogramming human fetal RPE (hfRPE) cells to neurons using recombinant SOX2 proteins. (A): Efficiency of hfRPE cells to be reprogrammed to neuron-like cells after recombinant proteins was added to the media every 24 hours for 30 days. (B): Efficiency of hfRPE cells to be reprogrammed by adding SOX2-RPARPAR recombinant protein every 48 hours for different time courses. (C): Representative images of hfRPE (fRPE1914) cells during reprogramming to neuron-like cells after 30, 40, and 50 days in culture with SOX2-RPARPAR protein. Scale bars = 100 μm. (D): Representative images of hfRPE (fRPE1914) cells reprogrammed to neuron-like cells expressing neuronal markers, but not an RPE marker (PAX6), using SOX2-RPARPAR protein. Scale bars = 50 μm. Abbreviations: D, days; RPE, retinal pigmented epithelial cells.