Cited by 337Wnt/β-catenin signaling in development and cancerSignaling Pathways in DiseaseUbiquitin and proteasome pathways

Control of β-Catenin Stability

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Salic, Adrian, Lee, Ethan, Mayer, Leslie, Kirschner, Marc W.·2000·Molecular Cell

Abstract

Regulation of beta-catenin degradation by intracellular components of the wnt pathway was reconstituted in cytoplasmic extracts of Xenopus eggs and embryos. The ubiquitin-dependent beta-catenin degradation in extracts displays a biochemical requirement for axin, GSK3, and APC. Axin dramatically accelerates while dishevelled inhibits beta-catenin turnover. Through another domain, dishevelled recruits GBP/Frat1 to the APC-axin-GSK3 complex. Our results confirm and extend models in which inhibition of GSK3 has two synergistic effects: (1) reduction of APC phosphorylation and loss of affinity for beta-catenin and (2) reduction of beta-catenin phosphorylation and consequent loss of its affinity for the SCF ubiquitin ligase complex. Dishevelled thus stabilizes beta-catenin, which can dissociate from the APC/axin complex and participate in transcriptional activation.

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Crossref · 10.1016/s1097-2765(00)80446-3

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  • In CSM1 from Lee et al. (2003), several wet-lab data from their own experiments (WD1-WD5) as well as from Salic et al. (2000) [66] (WD1-WD3) are used during the calibration of the model SM1, which produces a Simulation Experiment SE1, the corresponding Simulation Data SD1, and the calibrated Simulation Model SM2.

    “In the case of the activity CSM1 from Lee et al. (2003), several wet-lab data from their own experiments (WD1–WD5) as well as from Salic et al. (2000) [66] (WD1–WD3) are used during the calibration of the model SM1 which produces a Simulation Experiment SE1, the corresponding Simulation Data SD1 as well as the calibrated Simulation Model SM2.”

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Authors
Salic, A., Lee, E., Mayer, L., & Kirschner, M. W.
Affiliations
Harvard University (US)
Corresponding author
Kirschner, Marc W.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2000-03
Volume
5
Issue
3
Pages
523-532
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2069704514
Cited by
335
References
34
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2023: 4 · 2022: 4 · 2021: 10 · 2020: 11 · 2019: 12 · 2018: 11 · 2017: 11 · 2016: 16 · 2015: 5 · 2014: 16 · 2013: 16 · 2012: 16
FWCI
8.68
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
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 › Signaling Pathways in Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
β-catenin stability, Wnt signaling, ubiquitin-mediated proteolysis, Axin, glycogen synthase kinase-3, APC, Dishevelled, SCF ubiquitin ligase, protein phosphorylation, Xenopus egg extracts, transcriptional activation
MeSH terms
Dishevelled Proteins, Animals, Carrier Proteins, Cell-Free System, Cytoplasm, Cytoskeletal Proteins, Models, Biological, Ovum, Phosphoproteins, Phosphorylation, Protein Binding, Proteins, Proto-Oncogene Proteins, Repressor Proteins, Subcellular Fractions, Ubiquitins, Xenopus, Trans-Activators, Protein Structure, Tertiary, Calcium-Calmodulin-Dependent Protein Kinases, Adenomatous Polyposis Coli Protein, Xenopus Proteins, Zebrafish Proteins, Glycogen Synthase Kinase 3, Intracellular Signaling Peptides and Proteins, Adaptor Proteins, Signal Transducing, Wnt Proteins, beta Catenin, Axin Protein

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