Wnt Signaling pathway animation


The Wnt signaling pathway is a network of proteins best known for their roles in embryogenesis and cancer, but also involved in normal physiological processes in adult animals.
The Wnt pathway involves a large number of proteins that can regulate the production of Wnt signaling molecules, their interactions with receptors on target cells and the physiological responses of target cells that result from the exposure of cells to the extracellular Wnt ligands. Although the presence and strength of any given effect depends on the Wnt ligand, cell type, and organism, some components of the signaling pathway are remarkably conserved in a wide variety of organisms, from Caenorhabditis elegans to humans. Protein homology suggests that several distinct Wnt ligands were present in the common ancestor of all bilaterian life, and certain aspects of Wnt signaling are present in sponges and even in slime molds.

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