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by Keyword: Microfabricated substrates


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Vedula, Sri Ram Krishna, Ravasio, Andrea, Anon, Ester, Chen, Tianchi, Peyret, G., Ashraf, Mohammed, Ladoux, Benoit, (2014). Microfabricated environments to study collective cell behaviors Methods in Cell Biology (ed. Piel, M., Théry, M.), Academic Press 120, 235-252

Abstract Coordinated cell movements in epithelial layers are essential for proper tissue morphogenesis and homeostasis. Microfabrication techniques have proven to be very useful for studies of collective cell migration in vitro. In this chapter, we briefly review the use of microfabricated substrates in providing new insights into collective cell behaviors. We first describe the development of micropatterned substrates to study the influence of geometrical constraints on cell migration and coordinated movements. Then, we present an alternative method based on microfabricated pillar substrates to create well-defined gaps within cell sheets and study gap closure. We also provide a discussion that presents possible pitfalls and sheds light onto the important parameters that allow the study of long-term cell culture on substrates of well-defined geometries.

Keywords: Microfabricated substrates, Microcontact printing, Collective cell behavior, Geometrical constraints, Epithelial gap closure