Oncotarget

Research Papers:

SNORD47, a box C/D snoRNA, suppresses tumorigenesis in glioblastoma

Bin Xu, Min-Hua Ye, Shi-Gang Lv, Qi-Xue Wang, Miao-Jing Wu, Bing Xiao, Chun-Sheng Kang and Xin-Gen Zhu _

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Oncotarget. 2017; 8:43953-43966. https://doi.org/10.18632/oncotarget.16693

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Abstract

Bin Xu1,*, Min-Hua Ye1,*, Shi-Gang Lv1, Qi-Xue Wang2,3, Miao-Jing Wu1, Bing Xiao1, Chun-Sheng Kang2,3 and Xin-Gen Zhu1

1Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China

2Department of Neurosurgery, Tianjin Medical University General Hospital, Heping District, Tianjin, China

3Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin, China

*These authors have contributed equally to this work

Correspondence to:

Xin-Gen Zhu, email: [email protected]

Chun-sheng Kang, email: [email protected]

Keywords: SNORD47, glioblastoma, cell cycle, proliferation, invasion

Abbreviations: snoRNAs: small nucleolar RNAs; EMT: epithelial-mesenchymal transition; GAS5: growth arrest-specific transcript 5

Received: February 06, 2017    Accepted: March 03, 2017    Published: March 30, 2017

ABSTRACT

SNORD47 is a member of the C/D box small nucleolar RNAs, which have been implicated in cancer development. We intended to investigate the therapeutic potential of SNORD47 in glioma. We found that the expression of SNORD47 was downregulated in glioma tissues samples and inversely associated with advanced tumor stage (WHO grade IV). Kaplan-Meier survival analysis revealed that glioma patients with high SNORD47 expression had longer overall survival than those with low SNORD47 expression. SNORD47 suppressed the proliferation of glioma cells and induced G2 phase arrest. In addition, upregulation of SNORD47 suppressed invasion and epithelial-mesenchymal transition in glioma cells, and combination treatment with lenti-SNORD47 could augment the anti-tumor effect of temozolomide. These results showed that SNORD47 acted as a tumor suppressor in glioma, and provided the potential anti-tumor function in glioma treatment.


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