Influence of glucose transporter 1 activity inhibition on neuroblastoma in vitro
2019
Abstract Most cancer cells predominantly produce their energy through a high rate of glycolysis in the presence of abundant oxygen. Glycolysis has become a target of anticancer strategies. Previous researches showed that glucose transporter 1 (GLUT1) inhibitor is effective as anticancer agents. This study assessed the effects of the selective GLUT1 inhibitor WZB117 on regulation of neuroblastoma (NB) cell line SH-SY5Y viability, cell cycle and glycolysis in vitro. SH-SY5Y cells were grown and treated with WZB117 for up to 72 h and then subjected to cell viability, qRT-PCR, Western blot and flow cytometry analysis. Level of ATP and LDH was also analyzed. The result showed that WZB117 treatment reduced tumor cells viability, downregulated level of GLUT1 protein. Moreover, WZB117 treatment arrested tumor cells at the G0–G1 phase of the cell cycle, induced tumor cells to undergo necrosis instead of apoptosis. In addition, WZB117 treatment downregulated the levels of intracellular ATP, LDH and glycolytic enzymes. Thus, WZB117-induced GLUT1 inhibition suppressed tumor cell growth, induced cell cycle arrest and reduced glycolysis metabolites in NB cells in vitro. This study suggested that GLUT1 can be used as a potential therapeutic target for NB.
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