Mao, Q., Lavalou, J., Lecuit, T. (2017). Fat2 and Lar Dance a Pas de Deux during Collective Cell Migration.  Dev. Cell 40(5): 425--426.

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Note

What coordinates the internal leading and trailing edges in collectively migrating cells is largely unknown. In this issue of Developmental Cell, Barlan et al. (2017) delineate a Fat2/Lar planar signaling pathway at the basal, motile cell-cell contacts of Drosophila egg chamber follicle cells.