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Journal Article

Generation of Induced Pluripotent Stem Cells from Lymphoblastoid Cell Lines by Electroporation of Episomal Vectors

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Kim,  Johnny
Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Max Planck Society;

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Citation

Kim, M., Park, J., Kim, S., Han, D. W., Shin, B., Scholer, H., et al. (2022). Generation of Induced Pluripotent Stem Cells from Lymphoblastoid Cell Lines by Electroporation of Episomal Vectors. INTERNATIONAL JOURNAL OF STEM CELLS. doi:10.15283/ijsc22177.


Cite as: https://hdl.handle.net/21.11116/0000-000C-7AB4-0
Abstract
Background and Objectives: Lymphoblastoid cell lines (LCLs) deposited from disease-affected individuals could be a valuable donor cell source for generating disease-specific induced pluripotent stem cells (iPSCs). However, generation of iPSCs from the LCLs is still challenging, as yet no effective gene delivery strategy has been developed.Methods and Results: Here, we reveal an effective gene delivery method specifically for LCLs. We found that LCLs appear to be refractory toward retroviral and lentiviral transduction. Consequently, lentiviral and retroviral transduction of OCT4, SOX2, KFL4 and c-MYC into LCLs does not elicit iPSC colony formation. Interestingly, however we found that transfection of oriP/EBNA-1-based episomal vectors by electroporation is an efficient gene delivery system into LCLs, enabling iPSC generation from LCLs. These iPSCs expressed pluripotency makers (OCT4, NANOG, SSEA4, SALL4) and could form embryoid bodies.Conclusion: Our data show that electroporation is an effective gene delivery method with which LCLs can be efficiently reprogrammed into iPSCs.Keywords: Lymphoblastoid cell lines, iPSCs, Electroporation, Episomal vector, Reprogramming