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  • Title: LncRNA GAS5 regulates the proliferation, migration, invasion and apoptosis of brain glioma cells through targeting GSTM3 expression. The effect of LncRNA GAS5 on glioma cells.
    Author: Li G, Cai Y, Wang C, Huang M, Chen J.
    Journal: J Neurooncol; 2019 Jul; 143(3):525-536. PubMed ID: 31172354.
    Abstract:
    INTRODUCTION: To investigate the effects of lncRNA GAS5 on the proliferation, migration, invasion and apoptosis of brain glioma cells. METHODS: The expression levels of lncRNA GAS5 and GSTM3 in normal glial cells (HEB) and glioma cells (U251 and U87) were detected by RT-qPCR and western blot, respectively. Glioma cells were transfected with ctrl vector, pcDNA-GAS5, siRNA ctrl (siNC) or GSTM3 siRNA and the effects of lncRNA GAS5 and GSTM3 on the proliferation, migration, invasion and apoptosis of glioma cells were detected by CCK-8 assay, transwell assay and Caspase 3/7 activity assay, respectively. RESULTS: The expression of lncRNA GAS5 was significantly decreased in glioma cell lines U251 and U87 compared with normal glial cells HEB (p < 0.01). In addition, overexpression of lncRNA GAS5 inhibited the proliferation, migration and invasion of U251 and U87 cells, and promoted cell apoptosis as demonstrated by the increased activity of Caspase 3/7. Furthermore, GSTM3 was predicted as a target gene of lncRNA GAS5 by bioinformatics analysis and its expression was increased in glioma cells compared with the normal cells as indicated by western blotting and RT-qPCR experimental results. Silencing of GSTM3 with GSTM3 siRNA decreased the proliferation, migration and invasion but increased the apoptosis of glioma cell lines U251 and U87, which was similar to that the effect lncRNA GAS5 over-expression. CONCLUSION: lncRNA GAS5 can effectively inhibit the proliferation, migration and invasion of glioma cells and promote cell apoptosis through targeting GSTM3 expression.
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