β-Catenin Signaling Increases during Melanoma Progression and Promotes Tumor Cell Survival and Chemoresistance
2011

β-Catenin Signaling Increases during Melanoma Progression and Promotes Tumor Cell Survival and Chemoresistance

publication 10 minutes Evidence: high

Author Information

Author(s): Sinnberg Tobias, Menzel Moritz, Ewerth Daniel, Sauer Birgit, Schwarz Michael, Schaller Martin, Garbe Claus, Schittek Birgit

Primary Institution: Eberhard-Karls-University Tübingen

Hypothesis

Does β-catenin play different roles in benign melanocytic cells and non-invasive primary melanoma versus metastatic melanoma cell lines?

Conclusion

β-Catenin is essential for the survival of metastatic melanoma cells but not for benign melanocytes or primary melanoma cells.

Supporting Evidence

  • β-Catenin downregulation induces apoptosis in metastatic melanoma cells.
  • Downregulation of β-catenin increases chemosensitivity to drugs like temozolomide and cisplatin.
  • β-Catenin is not required for the survival of benign melanocytes.

Takeaway

This study found that a protein called β-catenin helps melanoma cells survive and grow, but it doesn't affect normal skin cells.

Methodology

The study involved downregulating β-catenin in various melanoma cell lines and assessing effects on cell viability, migration, invasion, and tumor growth in vivo.

Statistical Information

P-Value

0.045

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023429

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