Filopodia-based Wnt transport during vertebrate tissue patterning
2015
Distribution of Wnt morphogens in tissues is often graded, but it is unclear how these secreted factors move to form concentration gradients. Here, the authors show that Wnt8a is transported on actin-based filopodia, known also as cytonemes, that contact the signal-receiving cells during zebrafish gastrulation.
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