Abstract
BackgroundLiver kinase B1 (LKB1) is involved in various human diseases. Aberrant expression of LKB1 expression is involved in glioma progression and associated with prognosis, however, the specific mechanism involving NF-κB/Snail signaling pathways remain unknown.Materials and methodsIn the present study, quantitative real-time PCR analysis was used to investigate the expression of LKB1 tumor tissue samples and cell lines. In glioma cell lines, CCK-8 assay, transwell invasion and migration assays were used to investigate the effects of LKB1on proliferation and invasion.ResultsWe observed that LKB1 knockdown promoted glioma cell proliferation, migration and invasion. This effect was induced through NF-κB/Snail signaling activation. Also, LKB1 overexpression suppressed proliferation, migration, and invasion, which could be rescued by Snail overexpression.ConclusionTaken together, our results show that LKB1 knockdown promotes remarkably glioma cell proliferation, migration and invasion by regulating Snail protein expression through activating the NF-κB signaling. This may serve as a potential prognostic marker and therapeutic target for glioma.
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