HOXC13-AS-miR-122-5p-SATB1-C-Myc feedback loop promotes migration, invasion and EMT process in glioma.
ONCOTARGETS AND THERAPY(2019)
摘要
Purpose: Differentially expressed long non-coding ribonucleic acids (lncRNAs) have been reported as a key factor of glioma carcinogenesis, but the underlying mechanism involved is still unknown. Materials and methods: In the present study, lncRNA HOXC13 antisense RNA (HOXC13-AS) was identified as a potential oncogene in glioma, and Western blotting, wound healing and Transwell assays were carried out to explore the effects of HOXC13-AS on the epithelial-mesenchymal transition (EMT) process as well as the migration and invasion of glioma cells. Results: A further mechanistic study showed that HOXC13-AS sponged miR-122-5p to indirectly regulate SATB1 expression and affect the EMT process via the Wnt/beta-catenin pathway. Meanwhile, the promoter activity was significantly increased via c-Myc, a key factor of the Wnt/beta-catenin pathway, thus forming a positive HOXC13-AS-miR-122-5p-SATB1-c-Myc feedback loop to drive the malignant behavior in glioma. Discussion: This study evidences the constitutive HOXC13-AS-miR-122-5p-SATB1-c-Myc feedback loop and provides a potential therapeutic target for glioma treatment.
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关键词
HOXC13-AS,epithelial-mesenchymal transition,competing endogenous RNA,miR-122-5p,glioma
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