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Article Open Access

CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway

  • Authors:
    • Feng Li
    • Chuanxi Tang
    • Dan Jin
    • Li Guan
    • Yue Wu
    • Xinfeng Liu
    • Xiuxiang Wu
    • Qing Yun Wu
    • Dianshuai Gao
  • View Affiliations / Copyright

    Affiliations: Department of Cell Biology and Neurobiology, Xuzhou Key Laboratory of Neurobiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China, School of Nursing, Xuzhou Medical University, Xuzhou, Jiangsu 221004, P.R. China, Laboratory of Transplantation and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu 221002, P.R. China
    Copyright: © Li et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 115-127
    |
    Published online on: May 17, 2017
       https://doi.org/10.3892/ijo.2017.4009
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Abstract

CUEDC2, a CUE domain containing 2 protein, plays critical roles in many biological processes, such as cell cycle, inflammation and tumorigenesis. However, whether CUEDC2 was involved in tumorigenesis of glioma and the possible mechanism remains to be elucidated. In the present study, our results implied that the expression of CUEDC2 was lower in the glioma tissue and glioma cell lines than that of normal tissue and asctrocyte cells. Downregulation of endogenous CUEDC2 in glioma U251 cell lines by RNAi promoted the tumor cells proliferation, migration, invasion and glioma neurosphere formation, while, overexpression of CUEDC2 showed the opposite effect. Further studies showed that overexpression of CUEDC2 suppressed the activation and nuclear translocation of phosphorylated-STAT3 (p-STAT3) but the level of p-STAT3 increased after interfering with the expression of CUEDC2. Moreover, CUEDC2 expression has an inhibitory effect on the activation of NF-κB. Thus, our studies suggested that the decreased expression of CUEDC2 in glioma led to the activation of transcription factor STAT3 and NF-κB signaling pathway which may be related to the tumorigenicity in glioma.
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Copy and paste a formatted citation
Spandidos Publications style
Li F, Tang C, Jin D, Guan L, Wu Y, Liu X, Wu X, Wu QY and Gao D: CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway. Int J Oncol 51: 115-127, 2017.
APA
Li, F., Tang, C., Jin, D., Guan, L., Wu, Y., Liu, X. ... Gao, D. (2017). CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway. International Journal of Oncology, 51, 115-127. https://doi.org/10.3892/ijo.2017.4009
MLA
Li, F., Tang, C., Jin, D., Guan, L., Wu, Y., Liu, X., Wu, X., Wu, Q. Y., Gao, D."CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway". International Journal of Oncology 51.1 (2017): 115-127.
Chicago
Li, F., Tang, C., Jin, D., Guan, L., Wu, Y., Liu, X., Wu, X., Wu, Q. Y., Gao, D."CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway". International Journal of Oncology 51, no. 1 (2017): 115-127. https://doi.org/10.3892/ijo.2017.4009
Copy and paste a formatted citation
x
Spandidos Publications style
Li F, Tang C, Jin D, Guan L, Wu Y, Liu X, Wu X, Wu QY and Gao D: CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway. Int J Oncol 51: 115-127, 2017.
APA
Li, F., Tang, C., Jin, D., Guan, L., Wu, Y., Liu, X. ... Gao, D. (2017). CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway. International Journal of Oncology, 51, 115-127. https://doi.org/10.3892/ijo.2017.4009
MLA
Li, F., Tang, C., Jin, D., Guan, L., Wu, Y., Liu, X., Wu, X., Wu, Q. Y., Gao, D."CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway". International Journal of Oncology 51.1 (2017): 115-127.
Chicago
Li, F., Tang, C., Jin, D., Guan, L., Wu, Y., Liu, X., Wu, X., Wu, Q. Y., Gao, D."CUEDC2 suppresses glioma tumorigenicity by inhibiting the activation of STAT3 and NF-κB signaling pathway". International Journal of Oncology 51, no. 1 (2017): 115-127. https://doi.org/10.3892/ijo.2017.4009
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