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Cited by 369

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Controlling size, shape and homogeneity of embryoid bodies using poly(ethylene glycol) microwells

Karp, Jeffrey M., Yeh, Judy, Eng, George, Fukuda, Junji, Blumling, James, Suh, Kahp-Yang, Cheng, Jianjun, Mahdavi, Alborz, Borenstein, Jeffrey, Langer, Robert, Khademhosseini, Ali·2007·Lab on a Chip
DOI 10.1039/b705085m
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Abstract

Directed differentiation of embryonic stem (ES) cells is useful for creating models of human disease and could potentially generate a wide array of functional cell types for therapeutic applications. Methods to differentiate ES cells often involve the formation of cell aggregates called embryoid bodies (EBs), which recapitulate early stages of embryonic development. EBs are typically made from suspension cultures, resulting in heterogeneous structures with a wide range of sizes and shapes, which may influence differentiation. Here, we use microfabricated cell-repellant poly(ethylene glycol) (PEG) wells as templates to initiate the formation of homogenous EBs. ES cell aggregates were formed with controlled sizes and shapes defined by the geometry of the microwells. EBs generated in this manner remained viable and maintained their size and shape within the microwells relative to their suspension counterparts. Intact EBs could be easily retrieved from the microwells with high viability (>95%). These results suggest that the microwell technique could be a useful approach for in vitro studies involving ES cells and, more specifically, for initiating the differentiation of EBs of greater uniformity based on controlled microenvironments.

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Metadata

Authors
Karp, J. M., Yeh, J., Eng, G., Fukuda, J., Blumling, J., Suh, K.-Y., Cheng, J., Mahdavi, A., Borenstein, J., Langer, R., & Khademhosseini, A.
Venue
Lab on a Chip
Publisher
Royal Society of Chemistry (RSC)
Published
2007
Volume
7
Issue
6
Pages
786
ISSN
  • 1473-0189 (ISSN-L)
  • 1473-0197
DOI
10.1039/b705085m
OpenAlex
W2117336213
Cited by
369
References
1
FWCI
11.49
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Controlling size, shape and homogeneity of embryoid bodies using poly(ethylene glycol) microwells. https://app.cochat.ai/papers/10.1039/b705085m
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Karp, J. M., Yeh, J., Eng, G., Fukuda, J., Blumling, J., Suh, K.-Y., Cheng, J., Mahdavi, A., Borenstein, J., Langer, R., & Khademhosseini, A. (2007). Controlling size, shape and homogeneity of embryoid bodies using poly(ethylene glycol) microwells. Lab on a Chip. https://doi.org/10.1039/b705085m

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