Wntless
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Related Articles from SNS
Rab8a-positive vesicles transport Wnt8a along cytonemes in zebrafish embryogenesis.
Wnt signalling is a conserved pathway that orchestrates key developmental processes by regulating cell fate, proliferation, and tissue organisation. While the production and secretion of Wnt ligands are well characterised, less is known about how lipid-modified Wnts are delivered for long-range communication. Recently, cytonemes - actin-based signalling filopodia - have been identified as transporters of Wnts over distances to target specific cells in embryogenesis.