Mouse embryonic fibroblasts can be reprogrammed to ES cell-like pluripotent stem cells by the forced expression of four transcription factors-OCT4, SOX2, KLF4, and c-MYC. The transposon system has proven effective as a vehicle for the delivery of transgenes into fibroblasts and for successful reprogramming to induced pluripotent stem (iPS) cells. We found that FuGENE HD transfection reagent can be effective for mouse embryonic fibroblasts (MEFs) to generate induced pluripotent stem cells (iPSCs) with the transposon transgenes. There are multitudes of cell transfection methods commercially available. Their efficiency, and thus their success, in inducing pluripotent cell types are cell-type-dependent.
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