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Representative images of mouse induced pluripotent stem cell (iPSC)/embryonic stem cell (ESC) viability maintenance in the presence of leukemia inhibitory factor (LIF). iPSCs/ESCs seeded om MEF feeder cells for at least one week until forming colonies without differentiation. These colonies were transferred to feederless gelatin-coated dish prior to start conversion. Stemness tracking during maintenance by the presence of GFP protein. Scale bar: 50 μm.
