Abstract
Induced pluripotent stem (iPS) cells can be directly generated from somatic cells by overexpression of defined transcription factors. iPS cells can perpetually self-renew and differentiate into all cell types of an organism. iPS cells were first generated through infection with retroviruses that contain reprogramming factors. However, development of an exogene-free iPS cell generation method is crucial for future therapeutic applications, because integrated exogenes result in the formation of tumors in chimeras and regain pluripotency after differentiation in vitro. Here, we describe a method to generate iPS cells by transfection of plasmid vectors and to convert partially reprogrammed cells into fully reprogrammed iPS cells by switching from mouse ESC culture conditions to KOSR-based media with bFGF. We also describe basic methods used to characterize fully reprogrammed iPS cells.
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Acknowledgment
This work was supported by the Biomedical Technology Development Program and Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Science, ICT and Future Planning (grant nos. 20110019489 and 2013R1A1A2011394).
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Kim, J.S., Choi, H.W., Hong, Y.J., Do, J.T. (2014). Generation of Partially Reprogrammed Cells and Fully Reprogrammed iPS Cells by Plasmid Transfection. In: Turksen, K., Nagy, A. (eds) Induced Pluripotent Stem (iPS) Cells. Methods in Molecular Biology, vol 1357. Humana Press, New York, NY. https://doi.org/10.1007/7651_2014_161
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DOI: https://doi.org/10.1007/7651_2014_161
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Publisher Name: Humana Press, New York, NY
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Online ISBN: 978-1-4939-3055-5
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