Cadherin's Positive Role in Wnt/β-Catenin Signaling during Epithelial-Mesenchymal Transition
Author Information
Author(s): Howard Sara, Deroo Tom, Fujita Yasuyuki, Itasaki Nobue
Primary Institution: MRC National Institute for Medical Research, London, United Kingdom
Hypothesis
How do cellular changes at epithelial-mesenchymal transition (EMT) affect the signaling capacity of β-catenin?
Conclusion
Cadherins play a crucial role in enhancing β-catenin's signaling capacity during EMT, facilitating Wnt pathway activation.
Supporting Evidence
- Cadherins are required for the activation of the Wnt pathway during EMT.
- Blocking endocytosis reduces the transcriptional activity of β-catenin.
- Cadherin depletion impairs the response to Wnt signals and β-catenin transfection.
Takeaway
Cadherins help cells communicate better during a process called EMT, which is important for development. They make sure a protein called β-catenin can do its job in sending signals inside the cell.
Methodology
The study used two models of EMT: HGF treatment of MDCK cells and gastrulation in embryonic development to analyze the role of cadherins in Wnt signaling.
Limitations
The study primarily focuses on in vitro models, which may not fully replicate in vivo conditions.
Statistical Information
P-Value
p<0.001 for MMP13 and p=0.046 for TOPflash luciferase
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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