Abstract
The long non-coding RNA (LncRNA) abnormally expresses in several cancers including non-small cell lung cancer (NSCLC). To better understand the role of key lncRNA involving cancer progress, we conduct a comprehensive data mining on LINC00467 and determine its molecular mechanisms. We identified LINC00467 was the up-regulated lncRNA that common significantly differentially expressed in NSCLC and CRC tissues from GEO database. LINC00467 highly expressed in NSCLC tissues and associated with advanced clinical stages and poor outcome. Knockdown of LINC00467 inhibited cell growth and metastasis via regulating the Akt signaling pathway. Finally, we demonstrated that TDG mediated acetylation is the key factor controlling LINC00467 expression. In conclusion, LINC00467 promotes NSCLC progression via Akt signal pathway. The identified LINC00467 may serve as a valuable diagnostic and prognostic biomarker as well as a therapeutic target for NSCLC.
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Data availability
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Acknowledgement
We thank all the authors for their excellent work.
Funding
This work was supported by the National Natural Science Foundation of China (81874137), the Outstanding Youth Foundation of Hunan Province (2018JJ1047), the Huxiang Young Talent Project (2016RS3022). the Hunan Province Science and technology talent promotion project (2019TJ-Q10), the Project of scientific research plan of health and Family Planning Commission of Hunan Province (c20180476).
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KC designed the study, YXZ, JJL analyzed and interpreted the data, and wrote the manuscript. HB completed all the bio-analysis of this article study. DH, MQX, LX, LG, and YH contributed to data acquisition, analysis and interpretation. YYZ provided clinical database compilation and analysis. YXC performed all bioinformatics analysis. LPD, RRZ, and YNM carried out the experiments. All authors have seen and approved the final version of the manuscript.
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The research was approved by the Ethics Committee of Third Xiangya Hospital of Central South University.
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Zhu, Y., Li, J., Bo, H. et al. LINC00467 is up-regulated by TDG-mediated acetylation in non-small cell lung cancer and promotes tumor progression. Oncogene 39, 6071–6084 (2020). https://doi.org/10.1038/s41388-020-01421-w
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DOI: https://doi.org/10.1038/s41388-020-01421-w
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