Oncogenic role of the TP53-induced glycolysis and apoptosis regulator in nasopharyngeal carcinoma through NF-κB pathway modulation

  • Authors:
    • Ming Zhao
    • Juan Fan
    • Yong Liu
    • Yanxin Yu
    • Jinhui Xu
    • Qinglian Wen
    • Jianwen Zhang
    • Shaozhi Fu
    • Biqiong Wang
    • Li Xiang
    • Jing Feng
    • Jingbo Wu
    • Linglin Yang
  • View Affiliations

  • Published online on: December 17, 2015     https://doi.org/10.3892/ijo.2015.3297
  • Pages: 756-764
Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

The TP53-induced glycolysis and apoptosis regulator (TIGAR) is a p53 target gene, which functions to suppress reactive oxygen species (ROS) damage and protect cells from apoptosis. In this study, we investigated the role of TIGAR in nasopharyngeal carcinoma (NPC) tumorigenesis. Imnunohistochemical analysis of the tissue specimens from nasopharyngeal carcinoma patients showed a higher expression level of TIGAR in tumor tissues, compared with normal nasopharyngeal epithelium. Knockdown of TIGAR by lentivirus-shRNA in CNE-2 or 5-8F cells resulted in decreased cell growth, colony formation, migration, invasion, and induced apoptosis. TIGAR overexpression exerted the opposite effects except for apoptosis reduction. In the xenograft tumor models, TIGAR knockdown reduced tumor growth rate and weight, whereas TIGAR overexpression showed the opposite effects. In addition, the NF-κB signaling pathway was decreased in TIGAR silenced cells. In conclusion, our data demonstrated that TIGAR acted as an oncogene in NPC tumorigenesis, and knockdown of TIGAR inhibited NPC tumor growth through the NF-κB pathway.
View Figures
View References

Related Articles

Journal Cover

February 2016
Volume 48 Issue 2

Print ISSN: 1019-6439
Online ISSN:1791-2423

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
APA
Zhao, M., Fan, J., Liu, Y., Yu, Y., Xu, J., Wen, Q. ... Yang, L. (2016). Oncogenic role of the TP53-induced glycolysis and apoptosis regulator in nasopharyngeal carcinoma through NF-κB pathway modulation. International Journal of Oncology, 48, 756-764. https://doi.org/10.3892/ijo.2015.3297
MLA
Zhao, M., Fan, J., Liu, Y., Yu, Y., Xu, J., Wen, Q., Zhang, J., Fu, S., Wang, B., Xiang, L., Feng, J., Wu, J., Yang, L."Oncogenic role of the TP53-induced glycolysis and apoptosis regulator in nasopharyngeal carcinoma through NF-κB pathway modulation". International Journal of Oncology 48.2 (2016): 756-764.
Chicago
Zhao, M., Fan, J., Liu, Y., Yu, Y., Xu, J., Wen, Q., Zhang, J., Fu, S., Wang, B., Xiang, L., Feng, J., Wu, J., Yang, L."Oncogenic role of the TP53-induced glycolysis and apoptosis regulator in nasopharyngeal carcinoma through NF-κB pathway modulation". International Journal of Oncology 48, no. 2 (2016): 756-764. https://doi.org/10.3892/ijo.2015.3297