Rad6B acts downstream of Wnt signaling to stabilize β-catenin: Implications for a novel Wnt/β-catenin target
2011
Rad6B and Wnt Signaling in Breast Cancer
publication
Evidence: moderate
Author Information
Author(s): Gerard Brigitte, Tait Larry, Nangia-Makker Pratima, Shekhar Malathy PV
Primary Institution: Wayne State University
Hypothesis
Does Rad6B mediate β-catenin stabilization in breast cancer cells through Wnt signaling?
Conclusion
Rad6B acts downstream of Wnt signaling to stabilize β-catenin, promoting breast cancer progression.
Supporting Evidence
- High Rad6B expression correlates with elevated β-catenin levels in breast cancer cells.
- Inhibition of Wnt signaling reduces Rad6B expression and β-catenin activity.
- Rad6B overexpression leads to tumors with an epithelial mesenchymal transition phenotype.
- Disruption of Wnt signaling in Rad6B-overexpressing cells decreases tumor growth.
Takeaway
Rad6B helps keep a protein called β-catenin active, which can make breast cancer grow faster. If we block Rad6B, it might slow down the cancer.
Methodology
Breast cancer cells were transfected to isolate subpopulations with high or low Rad6B levels, and various assays were performed to assess β-catenin levels and activity.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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