Abstract
Cell-based microarrays are valuable platforms for the study of cytotoxicity and cellular microenvironment because they enable high-throughput screening of large sets of conditions at reduced reagent consumption. However, most of the described microarray technologies have been applied to two-dimensional cultures, which do not accurately emulate the in vivo three-dimensional (3D) cell–cell and cell–extracellular matrix interactions.
Herein, we describe the methodology for production of alginate- and Matrigel-based 3-D cell microarrays for the study of mouse and human pluripotent stem cells on two different chip-based platforms. We further provide protocols for on-chip proliferation/viability analysis and the assessment of protein expression by immunofluorescence.
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Acknowledgments
The work involved in the development of this protocol was funded by NIH (ES020903) and NYSTEM (C026717). JFP acknowledges support from Fundação para a Ciência e Tecnologia (SFRH/BD/79590/2011), which also funded iBB (UID/BIO/04565/2013).
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Pascoal, J., Fernandes, T.G., Nierode, G.J., Diogo, M.M., Dordick, J.S., Cabral, J.M.S. (2018). Three-Dimensional Cell-Based Microarrays: Printing Pluripotent Stem Cells into 3D Microenvironments. In: Ertl, P., Rothbauer, M. (eds) Cell-Based Microarrays. Methods in Molecular Biology, vol 1771. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7792-5_6
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DOI: https://doi.org/10.1007/978-1-4939-7792-5_6
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