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Key Event Title
|Level of Biological Organization|
Key Event Components
Key Event Overview
AOPs Including This Key Event
|Homo sapiens||Homo sapiens||High||NCBI|
|All life stages||High|
Key Event Description
Upon the Wnt signaling activation, beta-catenin is stabilized and activated via inhibition of the phosphorylation by GSK3beta (Huang et al., 2019). Once the beta-catenin is stabilized, it translocates into the nucleus and enhance the expression of target genes of Wnt/beta-catenin signaling pathway (Huang et al., 2019). Beta-catenin activation is related to cancer(Tanabe, 2014).
How It Is Measured or Detected
•The beta-catenin level in nucleus is measured by immunoblotting with anti-beta-catenin antibody (Huang et al., 2019)
•The beta-catenin nuclear translocation is measured by immunofluorescence assay (Huang et al., 2019).
•Activity of beta-catenin is measured by Wnt/beta-catenin activity assay, in which the vector containing the firefly luciferase gene controlled by TCF/LEF binding sites is transfected in the cells (Naujok et al., 2014).
Domain of Applicability
•Beta-catenin is stabilized and translocated into nucleus in Homo sapiens (Huang et al., 2019).
•Beta-catenin is activated in Homo sapiens (Huang et al., 2019) (Naujok et al., 2014).
Huang, J. Q., Wei, F. K., Xu, X. L., Ye, S. X., Song, J. W., Ding, P. K., . . . Gong, L. Y. (2019). SOX9 drives the epithelial-mesenchymal transition in non-small-cell lung cancer through the Wnt/beta-catenin pathway. J Transl Med, 17(1), 143. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/31060551. doi:10.1186/s12967-019-1895-2
Naujok, O., Lentes, J., Diekmann, U., Davenport, C., & Lenzen, S. (2014). Cytotoxicity and activation of the Wnt/beta-catenin pathway in mouse embryonic stem cells treated with four GSK3 inhibitors. BMC Res Notes, 7, 273. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/24779365. doi:10.1186/1756-0500-7-273
Tanabe, S. (2014). Role of mesenchymal stem cells in cell life and their signaling. World journal of stem cells, 6(1), 24-32. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/24567785