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      Physical models of collective cell motility: from cell to tissue

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      Journal of Physics D: Applied Physics

      IOP Publishing

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          Cell migration: integrating signals from front to back.

          Cell migration is a highly integrated multistep process that orchestrates embryonic morphogenesis; contributes to tissue repair and regeneration; and drives disease progression in cancer, mental retardation, atherosclerosis, and arthritis. The migrating cell is highly polarized with complex regulatory pathways that spatially and temporally integrate its component processes. This review describes the mechanisms underlying the major steps of migration and the signaling pathways that regulate them, and outlines recent advances investigating the nature of polarity in migrating cells and the pathways that establish it.
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            In vitro scratch assay: a convenient and inexpensive method for analysis of cell migration in vitro.

            The in vitro scratch assay is an easy, low-cost and well-developed method to measure cell migration in vitro. The basic steps involve creating a "scratch" in a cell monolayer, capturing the images at the beginning and at regular intervals during cell migration to close the scratch, and comparing the images to quantify the migration rate of the cells. Compared to other methods, the in vitro scratch assay is particularly suitable for studies on the effects of cell-matrix and cell-cell interactions on cell migration, mimic cell migration during wound healing in vivo and are compatible with imaging of live cells during migration to monitor intracellular events if desired. Besides monitoring migration of homogenous cell populations, this method has also been adopted to measure migration of individual cells in the leading edge of the scratch. Not taking into account the time for transfection of cells, in vitro scratch assay per se usually takes from several hours to overnight.
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              Hydrodynamics of soft active matter

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                Author and article information

                Journal
                Journal of Physics D: Applied Physics
                J. Phys. D: Appl. Phys.
                IOP Publishing
                0022-3727
                1361-6463
                March 22 2017
                March 22 2017
                February 14 2017
                : 50
                : 11
                : 113002
                Article
                10.1088/1361-6463/aa56fe
                © 2017

                http://iopscience.iop.org/info/page/text-and-data-mining

                http://iopscience.iop.org/page/copyright

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