Journal
JOURNAL OF CELL SCIENCE
Volume 130, Issue 1, Pages 39-50Publisher
COMPANY BIOLOGISTS LTD
DOI: 10.1242/jcs.189431
Keywords
+TIP; 3D matrix; Rho GTPase; Cancer; Cell migration; Microtubule
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Funding
- Fondation pour la Recherche Medicale
- Marie Curie International Intra-European (European Commission) Fellowship
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Three-dimensional (3D) cell motility underlies essential processes, such as embryonic development, tissue repair and immune surveillance, and is involved in cancer progression. Although the cytoskeleton is a well-studied regulator of cell migration, most of what we know about its functions originates from studies conducted in two-dimensional (2D) cultures. This research established that the microtubule network mediates polarized trafficking and signaling that are crucial for cell shape and movement in 2D. In parallel, developments in light microscopy and 3D cell culture systems progressively allowed to investigate cytoskeletal functions in more physiologically relevant settings. Interestingly, several studies have demonstrated that microtubule involvement in cell morphogenesis and motility can differ in 2D and 3D environments. In this Commentary, we discuss these differences and their relevance for the understanding the role of microtubules in cell migration in vivo. We also provide an overview of microtubule functions that were shown to control cell shape and motility in 3D matrices and discuss how they can be investigated further by using physiologically relevant models.
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