Netrin-1 promotes glioma growth by activating NF-κB via UNC5A

Jing Ying Chen, Xiao Xiao He, Chi Ma, Xin Min Wu, Xi Lin Wan, Zhen Kai Xing, Qing Qing Pei, Xian Ping Dong, Dong Xu Liu, Wencheng Xiong, Xiao Juan Zhu

Research output: Contribution to journalArticle

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Abstract

Gliomas, a common type of brain tumor, are characterized by aggressive infiltration, making it difficultly to cure by surgery. Netrin-1, an extracellular guidance cue critical for neuronal axon path-finding, has been reported to play an important role in cell invasion and migration in several types of cancers. However, the role of netrin-1 in glioma remains largely unknown. Here, we provide evidence suggested that Netrin-1 has a critical role in glioma growth. We found that netrin-1 was significantly increased in glioma samples and positively correlated with cell proliferation, tumor grade and malignancy. Netrin-1 knockdown reduced cell proliferation and attenuated tumor growth in a xenograft mouse model. Further studies found that netrin-1 induced NF-κB p65ser536 phosphorylation and c-Myc expression in vitro and in vivo. Interestingly, activation of NF-κB by netrin-1 was dependent on UNC5A receptor, because suppression of UNC5A significantly inhibited NF-κB p65ser536 phosphorylation, c-Myc up-regulation and reduced cell proliferation. Taken together, these results suggested netrin-1 promotes glioma cell proliferation by activating NF-κB signaling via UNC5A, netrin-1 may be a potential therapeutic target for the treatment of glioma.

Original languageEnglish (US)
Article number5454
JournalScientific Reports
Volume7
Issue number1
DOIs
StatePublished - Dec 1 2017

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Glioma
Growth
Cell Proliferation
Neoplasms
Phosphorylation
netrin-1
Heterografts
Brain Neoplasms
Cell Movement
Cues
Axons
Up-Regulation

ASJC Scopus subject areas

  • General

Cite this

Chen, J. Y., He, X. X., Ma, C., Wu, X. M., Wan, X. L., Xing, Z. K., ... Zhu, X. J. (2017). Netrin-1 promotes glioma growth by activating NF-κB via UNC5A. Scientific Reports, 7(1), [5454]. https://doi.org/10.1038/s41598-017-05707-0

Netrin-1 promotes glioma growth by activating NF-κB via UNC5A. / Chen, Jing Ying; He, Xiao Xiao; Ma, Chi; Wu, Xin Min; Wan, Xi Lin; Xing, Zhen Kai; Pei, Qing Qing; Dong, Xian Ping; Liu, Dong Xu; Xiong, Wencheng; Zhu, Xiao Juan.

In: Scientific Reports, Vol. 7, No. 1, 5454, 01.12.2017.

Research output: Contribution to journalArticle

Chen, JY, He, XX, Ma, C, Wu, XM, Wan, XL, Xing, ZK, Pei, QQ, Dong, XP, Liu, DX, Xiong, W & Zhu, XJ 2017, 'Netrin-1 promotes glioma growth by activating NF-κB via UNC5A', Scientific Reports, vol. 7, no. 1, 5454. https://doi.org/10.1038/s41598-017-05707-0
Chen, Jing Ying ; He, Xiao Xiao ; Ma, Chi ; Wu, Xin Min ; Wan, Xi Lin ; Xing, Zhen Kai ; Pei, Qing Qing ; Dong, Xian Ping ; Liu, Dong Xu ; Xiong, Wencheng ; Zhu, Xiao Juan. / Netrin-1 promotes glioma growth by activating NF-κB via UNC5A. In: Scientific Reports. 2017 ; Vol. 7, No. 1.
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