Abstract
Accumulating evidence has been obtained to understand the mechanisms of long non-coding RNAs (lncRNAs) in bladder cancer (BC). However, due to the recurrence and metastasis of BC, searching for lncRNAs that are related to prognosis and metastasis and exploring the pathogenesis of BC might provide new insights for the treatment of BC. In the present study, we used the TCGA and GEO databases and identified LINC02446 as associated with prognosis and differentially expressed in bladder cancer tissues and para-cancer tissues. Then, we found that LINC02446 could affect the proliferation, migration and invasion of BC cells. Additionally, we found that LINC02446 could bind to the EIF3G protein and regulate the protein stability of EIF3G and then inhibit the mTOR signalling pathway. In summary, all these findings show that LINC02446 might serve as a promising therapeutic target for BC intervention.
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Acknowledgements
This work was supported by National Natural Science Fund [Grant No. 81672525], the Project of Liaoning Distinguished Professor (Grant No. [2012]145), Liaoning Natural Science Fund [Grant No. 201602830], Shenyang Plan Project of Science and Technology (Grant No. F17-230-9-08) and Shenyang clinical medicine research centre (Grant No. [2017]76), China Medical University’s 2017 discipline promotion programme (Grant No. 2017XK08), China Medical University’s 2018 discipline promotion programme. Funding agency did not participate in the design of the study and collection, analysis and interpretation of data and in writing the manuscript.
Funding
This work was supported by National Natural Science Fund [Grant No. 81672525], the Project of Liaoning Distinguished Professor (Grant No. [2012]145), Liaoning Natural Science Fund [Grant No. 201602830], Shenyang Plan Project of Science and Technology (Grant No. F17-230-9-08) and Shenyang clinical medicine research centre (Grant No. [2017]76), China Medical University’s 2017 discipline promotion programme (Grant No. 2017XK08), China Medical University’s 2018 discipline promotion programme.
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Zhang, X., Zhang, J., Zhao, W. et al. Long non-coding RNA LINC02446 suppresses the proliferation and metastasis of bladder cancer cells by binding with EIF3G and regulating the mTOR signalling pathway. Cancer Gene Ther 28, 1376–1389 (2021). https://doi.org/10.1038/s41417-020-00285-2
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DOI: https://doi.org/10.1038/s41417-020-00285-2