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. 2017 Jan 6;7:40191. doi: 10.1038/srep40191

Figure 2. Culturing iPSC-derived NSCs in 3D PNIPAAm-PEG hydrogels and 2D cultures.

Figure 2

NSCs derived from iPSCs in the 3D PNIPAAm-PEG hydrogel were dissociated into single cells and cultured in the 3D PNIPAAm-PEG hydrogel (a) or on Matrigel-coated 6 well plate (b–f). Cells were passaged every 5 days or 3 days for 3D and 2D cultures, respectively. (a) phase and live/dead staining images of day 5 spheroids at passage 1 (P1) and 4 (P4) in the 3D PNIPAAm-PEG hydrogels. (b) Phase images of NSCs on day 3 of passage 1, 5 and 10 (P1, P5, P10) in 2D cultures. (c) 90-95% of the NSCs at P1 and P10 in 2D cultures were positive for the NSC markers, PAX6 and NESTIN. (d) qPCR data on the expressions of pluripotency and NSC markers during P1 to P5 in 2D cultures.