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Theranostics 2017; 7(7):2134-2149. doi:10.7150/thno.17665 This issue Cite

Research Paper

Suppression Of β-catenin Nuclear Translocation By CGP57380 Decelerates Poor Progression And Potentiates Radiation-Induced Apoptosis in Nasopharyngeal Carcinoma

Weiyuan Wang1, Qiuyuan Wen1, Jiadi Luo1, Shuzhou Chu1, Lingjiao Chen1, Lina Xu1, Hongjing Zang1, Mohannad Ma Alnemah1, Jinghe Li2, Jianhua Zhou2, Songqing Fan1✉

1. Department of Pathology, Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China;
2. Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.

✉ Corresponding author: Department of Pathology, Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.Phone and Fax: 86.731.85292029 E-mail: songqingfan2000com

Citation:
Wang W, Wen Q, Luo J, Chu S, Chen L, Xu L, Zang H, Alnemah MM, Li J, Zhou J, Fan S. Suppression Of β-catenin Nuclear Translocation By CGP57380 Decelerates Poor Progression And Potentiates Radiation-Induced Apoptosis in Nasopharyngeal Carcinoma. Theranostics 2017; 7(7):2134-2149. doi:10.7150/thno.17665. https://www.thno.org/v07p2134.htm
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Abstract

Graphic abstract

Nuclear localization of β-catenin is essential for the progression of various human cancers via transcriptional upregulation of downstream genes. The MAP kinase interacting serine/threonine kinase (MNK)-eukaryotic translation initiation factor 4E (eIF4E) axis has been reported to activate Wnt/β-catenin signaling, and CGP57380, an inhibitor of MNK kinases, inhibits the proliferation of multiple cancers. In this study, we showed that β-catenin signaling (including β-catenin, cyclin D1, c-Myc, and MMP-7) and p-eIF4E expression were elevated in nasopharyngeal carcinoma (NPC) compared with non-cancerous nasopharyngeal epithelial tissues, and was associated with clinical characteristics of NPC patients. Lymph node metastasis, gender, aberrant β-catenin expression, and elevated levels of MMP-7 and cyclin D1 were independent prognostic factors. Significantly, expression of p-eIF4E was positively correlated with β-catenin, and targeting the MNK-eIF4E axis with CGP57380 downregulated β-catenin in the nucleus, which in turn decreased proliferation, cell cycle progression, migration, invasion, and metastasis of NPC in vitro and in vivo. CGP57380 also potentiated radiation-induced apoptosis in NPC. Moreover, CGP57380 upregulated β-catenin in the cytoplasm thus blocking epithelial-mesenchymal transition (EMT), a key mechanism in cancer cell invasiveness and metastasis. Mechanistically, inhibition of β-catenin nuclear translocation by CGP57380 was dependent on AKT activation. Notably, identification of the MNK/eIF4E/β-catenin axis might provide a potential target for overcoming the poor prognosis mediated by β-catenin in NPC.

Keywords: nasopharyngeal carcinoma, β-catenin nuclear translocation, CGP57380, poor prognosis, radiation-induced apoptosis.

Citation styles

APA
Wang, W., Wen, Q., Luo, J., Chu, S., Chen, L., Xu, L., Zang, H., Alnemah, M.M., Li, J., Zhou, J., Fan, S. (2017). Suppression Of β-catenin Nuclear Translocation By CGP57380 Decelerates Poor Progression And Potentiates Radiation-Induced Apoptosis in Nasopharyngeal Carcinoma. Theranostics, 7(7), 2134-2149. https://doi.org/10.7150/thno.17665.

ACS
Wang, W.; Wen, Q.; Luo, J.; Chu, S.; Chen, L.; Xu, L.; Zang, H.; Alnemah, M.M.; Li, J.; Zhou, J.; Fan, S. Suppression Of β-catenin Nuclear Translocation By CGP57380 Decelerates Poor Progression And Potentiates Radiation-Induced Apoptosis in Nasopharyngeal Carcinoma. Theranostics 2017, 7 (7), 2134-2149. DOI: 10.7150/thno.17665.

NLM
Wang W, Wen Q, Luo J, Chu S, Chen L, Xu L, Zang H, Alnemah MM, Li J, Zhou J, Fan S. Suppression Of β-catenin Nuclear Translocation By CGP57380 Decelerates Poor Progression And Potentiates Radiation-Induced Apoptosis in Nasopharyngeal Carcinoma. Theranostics 2017; 7(7):2134-2149. doi:10.7150/thno.17665. https://www.thno.org/v07p2134.htm

CSE
Wang W, Wen Q, Luo J, Chu S, Chen L, Xu L, Zang H, Alnemah MM, Li J, Zhou J, Fan S. 2017. Suppression Of β-catenin Nuclear Translocation By CGP57380 Decelerates Poor Progression And Potentiates Radiation-Induced Apoptosis in Nasopharyngeal Carcinoma. Theranostics. 7(7):2134-2149.

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