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. 2020 Jun 19;21(12):4384. doi: 10.3390/ijms21124384

Figure 1.

Figure 1

Experimental scheme for the differentiation of human pluripotent stem cells into dental epithelial-like cells. Mitomycin C (MMC)-treated Hertwig’s epithelial root sheath/epithelial rests of Malassez (HERS/ERM) cells were used as a feeder layer for epithelial-like cell differentiation. Two weeks after the seeding of human induced pluripotent stem cell (hiPSC) clumps on the feeder layer, differentiated epithelial-like cells were collected and characterized. To overcome the limited lifespan of epithelial-like cells, the cells were transfected with an SV40 gene. Immortalized cell lines selected through G418 were characterized by morphology and genetic/immunophenotypic characteristics.