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LINC01393, a Novel Long Non-Coding RNA, Promotes the Cell Proliferation, Migration and Invasion through MiR-128-3p/NUSAP1 Axis in Glioblastoma.
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- المؤلفون: Li, Deheng1,2 (AUTHOR); Hu, Junda1,2 (AUTHOR); Li, Sen1,2 (AUTHOR); Zhou, Changshuai1,2 (AUTHOR); Feng, Mingtao1,2 (AUTHOR); Li, Liangdong1,2 (AUTHOR); Gao, Yang1,2 (AUTHOR); Chen, Xin1,2 (AUTHOR); Wu, Xiaojun1,2 (AUTHOR); Cao, Yiqun1,2 (AUTHOR); Hao, Bin1,2 (AUTHOR) ; Chen, Lei1,2 (AUTHOR)
- المصدر:
International Journal of Molecular Sciences. Mar2023, Vol. 24 Issue 6, p5878. 20p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
Nucleolar and spindle-associated protein 1 (NUSAP1) is a potential molecular marker and intervention target for glioblastoma (GBM). In this study, we aim to investigate upstream regulatory lncRNAs and miRNAs of NUSAP1 through both experimental and bioinformatic methods. We screened upstream lncRNAs and miRNAs of NUSAP1 through multiple databases based on ceRNA theory. Then, in vitro and in vivo experiments were performed to elucidate the relevant biological significance and regulatory mechanism among them. Finally, the potential downstream mechanism was discussed. LINC01393 and miR-128-3p were screened as upstream regulatory molecules of NUSAP1 by TCGA and ENCORI databases. The negative correlations among them were confirmed in clinical specimens. Biochemical studies revealed that overexpression or knockdown of LINC01393 respectively enhanced or inhibited malignant phenotype of GBM cells. MiR-128-3p inhibitor reversed LINC01393 knockdown-mediated impacts on GBM cells. Then, dual-luciferase reporter assay and RNA immunoprecipitation assay were conducted to validate LINC01393/miR-128-3p/NUSAP1 interactions. In vivo, LINC01393-knockdown decreased tumor growth and improved mice survival, while restoration of NUSAP1 partially reversed these effects. Additionally, enrichment analysis and western blot revealed that the roles of LINC01393 and NUSAP1 in GBM progression were associated with NF-κB activation. Our findings showed that LINC01393 sponged miR-128-3p to upregulate NUSAP1, thereby promoting GBM development and progression via activating NF-κB pathway. This work deepens understanding of GBM mechanisms and provides potential novel therapeutic targets for GBM. [ABSTRACT FROM AUTHOR]
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