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Review

Cell Mechanics in Embryoid Bodies

1
Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, RWTH Aachen University Medical School, 52074 Aachen, Germany
2
Institute for Biomedical Engineering–Cell Biology, RWTH Aachen University Medical School, 52074 Aachen, Germany
*
Authors to whom correspondence should be addressed.
Cells 2020, 9(10), 2270; https://doi.org/10.3390/cells9102270
Received: 15 September 2020 / Revised: 6 October 2020 / Accepted: 9 October 2020 / Published: 11 October 2020
(This article belongs to the Special Issue Epithelial Cell Mechanics: From Physiology to Pathology)
Embryoid bodies (EBs) resemble self-organizing aggregates of pluripotent stem cells that recapitulate some aspects of early embryogenesis. Within few days, the cells undergo a transition from rather homogeneous epithelial-like pluripotent stem cell colonies into a three-dimensional organization of various cell types with multifaceted cell–cell interactions and lumen formation—a process associated with repetitive epithelial-mesenchymal transitions. In the last few years, culture methods have further evolved to better control EB size, growth, cellular composition, and organization—e.g., by the addition of morphogens or different extracellular matrix molecules. There is a growing perception that the mechanical properties, cell mechanics, and cell signaling during EB development are also influenced by physical cues to better guide lineage specification; substrate elasticity and topography are relevant, as well as shear stress and mechanical strain. Epithelial structures outside and inside EBs support the integrity of the cell aggregates and counteract mechanical stress. Furthermore, hydrogels can be used to better control the organization and lineage-specific differentiation of EBs. In this review, we summarize how EB formation is accompanied by a variety of biomechanical parameters that need to be considered for the directed and reproducible self-organization of early cell fate decisions. View Full-Text
Keywords: embryoid bodies; pluripotent stem cells; embryonic stem cells; induced pluripotent stem cells; cell mechanics; mechanical stimulation embryoid bodies; pluripotent stem cells; embryonic stem cells; induced pluripotent stem cells; cell mechanics; mechanical stimulation
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MDPI and ACS Style

Zeevaert, K.; Elsafi Mabrouk, M.H.; Wagner, W.; Goetzke, R. Cell Mechanics in Embryoid Bodies. Cells 2020, 9, 2270. https://doi.org/10.3390/cells9102270

AMA Style

Zeevaert K, Elsafi Mabrouk MH, Wagner W, Goetzke R. Cell Mechanics in Embryoid Bodies. Cells. 2020; 9(10):2270. https://doi.org/10.3390/cells9102270

Chicago/Turabian Style

Zeevaert, Kira, Mohamed H. Elsafi Mabrouk, Wolfgang Wagner, and Roman Goetzke. 2020. "Cell Mechanics in Embryoid Bodies" Cells 9, no. 10: 2270. https://doi.org/10.3390/cells9102270

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