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Knockdown of E2F3 Inhibits Proliferation, Migration, and Invasion and Increases Apoptosis in Glioma Cells

Zhi-Gang Shen*1, Xiao-Zhou Liu†1, Chang-Xiu Chen, Jing-Min Lu§

* Department of Neurosurgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu Province, P.R. China
† Department of Neurology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China
‡ Department of Pediatrics, 97th Hospital of PLA, Xuzhou, P.R. China
§ Department of Neurology, Huai’an Second People’s Hospital and The Affiliated Huai’an Hospital of Xuzhou Medical University, Huai’an, P.R. China
1 Co-first authors.

Oncology Research 2017, 25(9), 1555-1566. https://doi.org/10.3727/096504017X14897158009178

Abstract

E2F3a, as a member of the E2F family, is essential for cell division associated with the progression of many cancers. However, the biological effect of E2F3a on glioma is not understood as well. To investigate the functional mechanism of E2F3a in glioma, we examined the expression of E2F3a in glioma tissue and cell lines. We found that E2F3a was upregulated in glioma tissue compared with adjacent tissue, and this was associated with a poor survival rate. E2F3a was highly expressed in glioma cell lines compared with normal HEB cell lines. Knockdown of E2F3a significantly inhibited cell proliferation, promoted G0/G1 phase arrest, elevated apoptosis rates, and suppressed cell migration and invasion. However, overexpression of E2F3a markedly promoted cell proliferation, migration, and invasion and inhibited apoptosis. Moreover, in vivo studies showed that knockdown of E2F3a expression dramatically inhibited U373 tumor growth in a nude mouse model. Results of real-time PCR and Western blot showed that the depletion of E2F3a upregulated the expression levels of cell apoptosis-related proteins and downregulated migration-related proteins. Conversely, E2F3a overexpression downregulated the expression levels of cell apoptosis-related proteins and upregulated migration-related proteins. In conclusion, our results highlight the importance of E2F3a in glioma and provide new insights into the diagnostics and therapeutics of gliomas.

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APA Style
Shen, Z., Liu, X., Chen, C., Lu, J. (2017). Knockdown of E2F3 inhibits proliferation, migration, and invasion and increases apoptosis in glioma cells. Oncology Research, 25(9), 1555-1566. https://doi.org/10.3727/096504017X14897158009178
Vancouver Style
Shen Z, Liu X, Chen C, Lu J. Knockdown of E2F3 inhibits proliferation, migration, and invasion and increases apoptosis in glioma cells. Oncol Res. 2017;25(9):1555-1566 https://doi.org/10.3727/096504017X14897158009178
IEEE Style
Z. Shen, X. Liu, C. Chen, and J. Lu "Knockdown of E2F3 Inhibits Proliferation, Migration, and Invasion and Increases Apoptosis in Glioma Cells," Oncol. Res., vol. 25, no. 9, pp. 1555-1566. 2017. https://doi.org/10.3727/096504017X14897158009178



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