Abstract
The mechanical properties and geometry of the surrounding microenvironment play a significant role in regulating cellular behavior including cell adhesion, migration and generation of traction forces. In many 3D tissue culture scenarios, changing the local matrix geometry, or cellular confinement simultaneously alters matrix stiffness, which makes the two physical factors coupled. In this study we design an interchangeable 2D-3D sandwich gel structure system with tunable mechanical properties capable of changing matrix stiffness and cellular confinement independently. Using a double-hydrogel system and our previously developed 3D TFM technique we investigate neutrophil migration and traction forces as a function of varying matrix stiffness and confinement.
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© 2014 The Society for Experimental Mechanics, Inc.
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Toyjanova, J., Flores-Cortez, E., Reichner, J.S., Franck, C. (2014). 3D Neutrophil Tractions in Changing Microenvironments. In: Barthelat, F., Zavattieri, P., Korach, C., Prorok, B., Grande-Allen, K. (eds) Mechanics of Biological Systems and Materials, Volume 4. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-00777-9_21
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DOI: https://doi.org/10.1007/978-3-319-00777-9_21
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Online ISBN: 978-3-319-00777-9
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