Syndecan-4 inhibits Wnt/β-catenin signaling through regulation of low-density-lipoprotein receptor-related protein (LRP6) and R-spondin 3

dc.contributor.authorAstudillo, Pablo
dc.contributor.authorCarrasco, Hector
dc.contributor.authorLarrain, Juan
dc.date.accessioned2025-01-23T21:48:09Z
dc.date.available2025-01-23T21:48:09Z
dc.date.issued2014
dc.description.abstractRegulation of Wnt signaling is crucial for embryonic development and adult homeostasis. Here we study the role of Syndecan-4 (SDC4), a cell-surface heparan sulphate proteoglycan, and Fibronectin (FN), in Wnt/beta-catenin signaling. Gain- and loss-of-function experiments in mammalian cell lines and Xenopus embryos demonstrate that SDC4 and FN inhibit Wnt/beta-catenin signaling. Epistatic and biochemical experiments show that this inhibition occurs at the cell membrane level through regulation of LRP6. R-spondin 3, a ligand that promotes canonical and non-canonical Wnt signaling, is more prone to potentiate Wnt/beta-catenin signaling when SDC4 levels are reduced, suggesting a model whereby SDC4 tunes the ability of R-spondin to modulate the different Wnt signaling pathways. Since SDC4 has been previously related to non-canonical Wnt signaling, our results also suggest that this proteoglycan can be a key component in the regulation of Wnt signaling. (C) 2013 Elsevier Ltd. All rights reserved.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.biocel.2013.11.012
dc.identifier.eissn1878-5875
dc.identifier.issn1357-2725
dc.identifier.urihttps://doi.org/10.1016/j.biocel.2013.11.012
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/101753
dc.identifier.wosidWOS:000330546600012
dc.language.isoen
dc.pagina.final112
dc.pagina.inicio103
dc.revistaInternational journal of biochemistry & cell biology
dc.rightsacceso restringido
dc.subjectWnt
dc.subjectSyndecan-4
dc.subjectLRP6
dc.subjectFibronectin
dc.subjectR-spondin
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa03 Salud y bienestar
dc.titleSyndecan-4 inhibits Wnt/β-catenin signaling through regulation of low-density-lipoprotein receptor-related protein (LRP6) and R-spondin 3
dc.typeartículo
dc.volumen46
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
Files