例如:"lncRNA", "apoptosis", "WRKY"

Regulatory effect of LncRNA DRAIC/miR-149-5p/NFIB molecular network on autophagy of esophageal cancer cells and its biological behavior.

Exp Mol Pathol. 2020 Oct;116:104491. Epub 2020 Jul 11
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摘要


OBJECTIVE:This experiment will explore the effect of LncRNA DRAIC/miR-149-5p/NFIB molecular network on esophageal cancer (EC) cells' biological behavior and autophagy. METHODS:We bought human EC cells and normal esophageal epithelial cells HEEC. DRAIC, miR-149-5p and NFIB protein expression were tested. The low expression plasmid of DRAIC and empty vector of DRAIC, miR-149-5p miR-mimics, miR-149-5p inhibitors and negative control groups, NFIB high expression plasmid, NFIB low expression plasmid and empty vector were transfected into EC cells (Eca-109 and EC9706) to detect changes in cell biological behavior and autophagy protein expression. The targeted relationship between DRAIC/miR-149-5p/NFIB was verified through dual-luciferase report and pull-down experiment. RESULTS:DRAIC and NFIB showed high expression in EC cells, while miR-149-5p showed low expression. Down-regulating DRAIC, NFIB and over-expressing miR-149-5p can inhibit EC cells' proliferation and invasion, and improve apoptosis and autophagy. Dual-luciferase report and pull-down experiment confirmed that DRAIC targeted miR-149-5p regulation, and down-regulating DRAIC could reverse miR-149-5p inhibitor's effect on the biological behavior of EC cells. However, dual-luciferase report revealed that miR-149-5p directly targeted NFIB, and miR-149-5p inhibitor could weaken the effect of down-regulating NFIB on apoptosis and autophagy of EC cells. Moreover, DRAIC has an effect on the autophagy of EC cells through miR-149-5p/NFIB. CONCLUSION:LncRNA DRAIC is relevant to cell biology and autophagy of EC. In the future, DRAIC may be developed as a key gene for EC diagnosis and treatment.

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原始数据


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