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Downregulation of Williams syndrome transcription factor (WSTF) suppresses glioblastoma cell growth and invasion by inhibiting PI3K/AKT signal pathway

Authors

Liyuan Yang
yangliyuan57@163.com
Department of Neurosurgery, The People’s Hospital of Yaan, Sichuan, China.
Chunfu Du
Department of Neurosurgery, The People’s Hospital of Yaan, Sichuan, China.
Hui Chen
Department of Neurosurgery, The People’s Hospital of Yaan, Sichuan, China.
Zhengwen Diao
Department of Neurosurgery, The People’s Hospital of Yaan, Sichuan, China.

Williams syndrome transcription factor (WSTF) participates in diverse cellular processes, including tumor cell proliferation and migration. However, the function of WSTF in glioblastoma (GBM) remains unknown. Data from the Gene Expression Profiling Interactive Analysis (GEPIA) and The Cancer Genome Atlas (TCGA) datasets showed that WSTF was up-regulated in GBM tissues. Moreover, WSTF was also increased in the GBM cells. pcDNA-mediated over-expression of WSTF contributed to cell proliferation and invasion of GBM cells, while GBM cell proliferation and invasion were suppressed by shRNA-mediated silencing of WSTF. Additionally, GBM cell apoptosis was reduced by over-expression of WSTF accompanied by decrease in Bax and cleaved caspase-3, while promoted by silencing of WSTF with increase in Bax and cleaved caspase-3. Protein expression of AKT phosphorylation was enhanced by WSTF over-expression while reduced by WSTF silencing. Inhibitor of phosphatidylinositol 3 kinase attenuated WSTF over-expression-induced increase in GBM cell proliferation and invasion. In conclusion, WSTF contributed to GBM cell growth and invasion through activation of PI3K/AKT pathway.

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How to Cite

Yang, L., Du, C. ., Chen, H. ., & Diao, Z. . (2021). Downregulation of Williams syndrome transcription factor (WSTF) suppresses glioblastoma cell growth and invasion by inhibiting PI3K/AKT signal pathway. European Journal of Histochemistry, 65(4). https://doi.org/10.4081/ejh.2021.3255
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