5,087 results found
    1. Cell Biology
    2. Developmental Biology

    The Sec14-like phosphatidylinositol transfer proteins Sec14l3/SEC14L2 act as GTPase proteins to mediate Wnt/Ca2+ signaling

    Bo Gong et al.
    Sec14l3/SEC14L2 respond to upstream Wnt/Frizzled/Dvl stimulation to recruit and activate phospholipase Cδ4a (Plcδ4a) to further initiate calcium release.
    1. Cell Biology
    2. Developmental Biology

    Wnt proteins can direct planar cell polarity in vertebrate ectoderm

    Chih-Wen Chu, Sergei Y Sokol
    Vertebrate early ectoderm displays planar polarity manifested by a fluorescent sensor and this polarity can be instructed by Wnt ligands.
    1. Cell Biology
    2. Developmental Biology

    R-spondins can potentiate WNT signaling without LGRs

    Andres M Lebensohn, Rajat Rohatgi
    R-spondins 2 and 3 can potentiate WNT signaling in the absence of LGRs through interactions with ZNRF3/RNF43 E3 ubiquitin ligases and heparan sulfate proteoglycans, defining two alternative modes of R-spondin-mediated signaling.
    1. Cell Biology
    2. Developmental Biology

    Non-canonical Wnt signalling modulates the endothelial shear stress flow sensor in vascular remodelling

    Claudio A Franco et al.
    A threshold level of blood flow initiates developmental blood vessel regression; this threshold can be regulated by non-canonical Wnt ligands.
    1. Cell Biology

    Increasing β-catenin/Wnt3A activity levels drive mechanical strain-induced cell cycle progression through mitosis

    Blair W Benham-Pyle et al.
    Mechanicals forces and local (Wnt) signaling can synergize to increase β-catenin signaling and produce unique growth phenotypes.
    1. Developmental Biology

    Developmentally regulated Tcf7l2 splice variants mediate transcriptional repressor functions during eye formation

    Rodrigo M Young et al.
    The inclusion of a new alternatively spliced exon in Tcf7l2 can switch its function to repress transcription of Wnt target genes.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Conformational change of Dishevelled plays a key regulatory role in the Wnt signaling pathways

    Ho-Jin Lee et al.
    The ligand-binding pocket of the Dishevelled PDZ domain can be occupied by Dishevelled's own highly conserved C-terminus, inducing a closed conformation that is ‘opened’ when Wnt signaling stimulates interaction between Frizzled and Dishevelled.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    Active and water-soluble form of lipidated Wnt protein is maintained by a serum glycoprotein afamin/α-albumin

    Emiko Mihara et al.
    Lipidated and highly hydrophobic Wnt ligands form a complex with the serum glycoprotein afamin, and can be purified and stored in a biologically active form without detergents.
    1. Cancer Biology

    FAK activity sustains intrinsic and acquired ovarian cancer resistance to platinum chemotherapy

    Carlos J Diaz Osterman et al.
    Genomic gains in ovarian cancer can promote cisplatin resistance via a FAK, Wnt/beta-catenin and Myc signaling pathway supporting pluripotency genes and tumorspheres that can acquire FAK dependence for survival.

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