Cited by 403Wnt/β-catenin signaling in development and cancerHedgehog Signaling Pathway StudiesDevelopmental Biology and Gene Regulation

Surrogate Wnt agonists that phenocopy canonical Wnt and β-catenin signalling

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Janda, Claudia Y., Dang, Luke T., You, Changjiang, Chang, Junlei, de Lau, Wim, Zhong, Zhendong A., Yan, Kelley S., Marecic, Owen +9 more·2017·Nature

Abstract

Wnt proteins modulate cell proliferation and differentiation and the self-renewal of stem cells by inducing β-catenin-dependent signalling through the Wnt receptor frizzled (FZD) and the co-receptors LRP5 and LRP6 to regulate cell fate decisions and the growth and repair of several tissues. The 19 mammalian Wnt proteins are cross-reactive with the 10 FZD receptors, and this has complicated the attribution of distinct biological functions to specific FZD and Wnt subtype interactions. Furthermore, Wnt proteins are modified post-translationally by palmitoylation, which is essential for their secretion, function and interaction with FZD receptors. As a result of their acylation, Wnt proteins are very hydrophobic and require detergents for purification, which presents major obstacles to the preparation and application of recombinant Wnt proteins. This hydrophobicity has hindered the determination of the molecular mechanisms of Wnt signalling activation and the functional importance of FZD subtypes, and the use of Wnt proteins as therapeutic agents. Here we develop surrogate Wnt agonists, water-soluble FZD-LRP5/LRP6 heterodimerizers, with FZD5/FZD8-specific and broadly FZD-reactive binding domains. Similar to WNT3A, these Wnt agonists elicit a characteristic β-catenin signalling response in a FZD-selective fashion, enhance the osteogenic lineage commitment of primary mouse and human mesenchymal stem cells, and support the growth of a broad range of primary human organoid cultures. In addition, the surrogates can be systemically expressed and exhibit Wnt activity in vivo in the mouse liver, regulating metabolic liver zonation and promoting hepatocyte proliferation, resulting in hepatomegaly. These surrogates demonstrate that canonical Wnt signalling can be activated by bi-specific ligands that induce receptor heterodimerization. Furthermore, these easily produced, non-lipidated Wnt surrogate agonists facilitate functional studies of Wnt signalling and the exploration of Wnt agonists for translational applications in regenerative medicine.

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  • Some organoid protocols have combined biologics and small-molecule drugs.

    “some organoid protocols have combined the use of both biologics and small-molecule drugs79.”

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  1. [50]Wilmes S Receptor dimerization dynamics as a regulatory valve for plasticity of type I interferon signaling The Journal of Cell Biology 209 579 593 10.1083/jcb.201412049 2015 26008745 PMC4442803 · DOI

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Authors
Janda, C. Y., Dang, L. T., You, C., Chang, J., de Lau, W., Zhong, Z. A., Yan, K. S., Marecic, O., Siepe, D., Li, X., Moody, J. D., Williams, B. O., Clevers, H., Piehler, J., Baker, D., Kuo, C. J., & Garcia, K. C.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Osnabrück University (DE)
  • Stanford Medicine (US)
  • Van Andel Institute (US)
  • Royal Netherlands Academy of Arts and Sciences (NL)
Venue
Nature
Published
2017-05
Volume
545
Issue
7653
Pages
234-237
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2610869016
Cited by
403
References
73
Citations by year
2026: 35 · 2025: 39 · 2024: 57 · 2023: 49 · 2022: 55 · 2021: 53 · 2020: 47 · 2019: 30 · 2018: 29 · 2017: 8
FWCI
12.73
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • KNAW Research Portal (The Royal Netherlands Academy of Arts and Sciences) (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
  • KNAW research portal (Royal Academy of Art and Sciences (KNAW)) (submittedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek (40-41400-98-1108)
  • National Cancer Institute (U01CA176299, U01CA217851)
  • National Institute of General Medical Sciences (R01GM097015, T32GM007266)
  • National Institute of Allergy and Infectious Diseases (U19AI116484)
  • National Institute of Diabetes and Digestive and Kidney Diseases (U24DK085532, U01DK085527, K08DK096048, U01DK085532)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Hedgehog Signaling Pathway Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
Wnt/β-catenin signaling, β-catenin signaling, Frizzled receptors, intestinal organoids, liver regeneration, Wnt3, osteogenic differentiation, R-spondin, Lgr5+ intestinal stem cells, palmitoylation, stem cell self-renewal
MeSH terms
Animals, Cell Differentiation, Hepatomegaly, Humans, Intestines, Ligands, Liver, Models, Molecular, Organoids, Solubility, Signal Transduction, Cell Lineage, Hepatocytes, Tissue Culture Techniques, Cell Proliferation, Wnt Proteins, Frizzled Receptors, beta Catenin, Mice, Protein Multimerization, HEK293 Cells, Hydrophobic and Hydrophilic Interactions, Mesenchymal Stem Cells, Wnt Signaling Pathway, Low Density Lipoprotein Receptor-Related Protein-6, Low Density Lipoprotein Receptor-Related Protein-5

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