Abstract
The culture of human embryonic stem (hES) cells in defined and xenogeneic-free conditions will contribute substantially to future biotechnological and medical applications. To achieve this goal, we developed the first fully defined synthetic polymer coating poly[2-(methacryloyloxy)ethyl dimethyl-(3-sulfopropyl)ammonium hydroxide] (PMEDSAH) that sustains long-term growth of hES cells in different culture media. Here we describe a detailed protocol for the reproducible fabrication of PMEDSAH coating on tissue culture polystyrene dishes, and for the feeder-free culture of hES cells on PMEDSAH coating in defined culture medium. This culture system represents a key step toward the fully defined and xenogeneic-free culture of hES cells.
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Acknowledgements
H.N. acknowledges funding from the University of Michigan Rackham Predoctoral Fellowship. J.L. gratefully acknowledges support from the NSF in form of a CAREER grant and funding from the NSF under the MRI program. This research was supported by NIH grants P20 GM-069985, R01 DE016530 and the NIDCR T32 Tissue Engineering and Regeneration Training Program.
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This protocol was developed and written by H.N. and L.G.V.-D. after obtaining the material from all authors. H.N. designed the 'Fabrication of PMEDSAH-coated TCPS dishes' portion of the protocol; L.G.V.-D. designed the 'Establishment of hES cell cultures on PMEDSAH-coated TCPS dishes' portion of the protocol. K.S.O., G.D.S., P.H.K. and J.L. supervised the project.
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Nandivada, H., Villa-Diaz, L., O'Shea, K. et al. Fabrication of synthetic polymer coatings and their use in feeder-free culture of human embryonic stem cells. Nat Protoc 6, 1037–1043 (2011). https://doi.org/10.1038/nprot.2011.342
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DOI: https://doi.org/10.1038/nprot.2011.342
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