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Article

Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway

  • Authors:
    • Hongman Chen
    • Yingmei Wang
    • Fengxia Xue
  • View Affiliations / Copyright

    Affiliations: Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
  • Pages: 507-514
    |
    Published online on: November 7, 2012
       https://doi.org/10.3892/or.2012.2126
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Abstract

To determine the role played by the Wnt/β-catenin signaling pathway in the development of endometrial cancer (EC), we examined the expression of Wnt10a and Wnt10b in EC tissues and the correlation between their expression. Furthermore, the associations between these two proteins and the clinicopathological characteristics and prognosis of EC were also evaluated. In our search of alternative mechanisms, we investigated the impact of Wnt10b on proliferation and apoptosis of EC cells. Western blotting, 3-(4, 5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and flow cytometry were used to evaluate the expression of Wnt10b and some key proteins of the Wnt/β-catenin pathway, proliferation and apoptosis in EC. Our results showed that Wnt10b expression in EC tissues was significantly higher compared to that in hyperplastic and normal samples. The expression of Wnt10a in endometrioid cancer tissues was higher compared to that in other types of cancerous samples. The difference in Wnt10b levels was significant among subgroups for histological type, grade of differentiation, FIGO phase and lymphovascular metastasis. Furthermore, no correlation was observed between the expression of Wnt10a and Wnt10b. In the follow-up, Wnt10b gene expression was frequently upregulated in EC and associated with better prognostic clinicopathological markers in EC patients. Collectively, the in vitro data showed that the upregulated expression of Wnt10b in Ishikawa cells promoted proliferation and inhibited apoptosis through β-catenin and c-myc activation and adenomatous polyposis coli (APC) inhibition, which suggests that Wnt10b activates EC via the Wnt/β-catenin pathway. These results suggest that Wnt10b likely plays an important role in the development of EC. Furthermore, these results identify a role for Wnt10b in EC cells through promoting proliferation and inhibiting apoptosis, primarily through the activation of the Wnt/β-catenin pathway. The role played by Wnt10a in EC, however, still requires further investigation.
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Copy and paste a formatted citation
Spandidos Publications style
Chen H, Wang Y and Xue F: Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway. Oncol Rep 29: 507-514, 2013.
APA
Chen, H., Wang, Y., & Xue, F. (2013). Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway. Oncology Reports, 29, 507-514. https://doi.org/10.3892/or.2012.2126
MLA
Chen, H., Wang, Y., Xue, F."Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway". Oncology Reports 29.2 (2013): 507-514.
Chicago
Chen, H., Wang, Y., Xue, F."Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway". Oncology Reports 29, no. 2 (2013): 507-514. https://doi.org/10.3892/or.2012.2126
Copy and paste a formatted citation
x
Spandidos Publications style
Chen H, Wang Y and Xue F: Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway. Oncol Rep 29: 507-514, 2013.
APA
Chen, H., Wang, Y., & Xue, F. (2013). Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway. Oncology Reports, 29, 507-514. https://doi.org/10.3892/or.2012.2126
MLA
Chen, H., Wang, Y., Xue, F."Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway". Oncology Reports 29.2 (2013): 507-514.
Chicago
Chen, H., Wang, Y., Xue, F."Expression and the clinical significance of Wnt10a and Wnt10b in endometrial cancer are associated with the Wnt/β-catenin pathway". Oncology Reports 29, no. 2 (2013): 507-514. https://doi.org/10.3892/or.2012.2126
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