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. 2020 Oct 27;8:585675. doi: 10.3389/fcell.2020.585675

FIGURE 7.

FIGURE 7

Selection of hiPSC-derived RGCs from cryopreserved retinal organoids. (A) Schematic diagram illustrating the protocol for the selection of THY1-targeted hiPSC-derived RGCs from cryopreserved hiPSC-derived retinal organoids. (B) Phase-contrast and brightfield micrograph and immunostaining for RGC markers, βIII-tubulin, BRN3A, PAX6, RBPMS, or THY1 in unsorted or THY1-sorted cells from dissociated freeze–thawed organoids (cell nuclei staining with DAPI in blue). Scale bars: 50 μm. (C) Quantitative analysis by flow cytometry of living cells (YOPRO negative) on unsorted, THY1-negative, and THY1-positive fractions, 1 week after plating, of dissociated cells derived from freeze–thawed retinal organoids (min to max; N = 3 differentiation; n = 380 organoids; *p < 0.05, two-way ANOVA followed by Tukey’s multiple comparison test).