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International Journal of Clinical Oncology

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01-04-2020 | Metastasis | Original Article

LINC00163 inhibits the invasion and metastasis of gastric cancer cells as a ceRNA by sponging miR-183 to regulate the expression of AKAP12

Authors: Jun Zhang, Hai-yan Piao, Shuai Guo, Yue Wang, Tao Zhang, Zhi-chao Zheng, Yan Zhao

Published in: International Journal of Clinical Oncology | Issue 4/2020

Abstract

Background

Gastric cancer (GC) is the most common and aggressive cancer of the digestive system and poses a serious threat to human health. Since genes do not work alone, our aim was to elucidate the potential network of mRNAs and noncoding RNAs (ncRNAs) in this study.

Methods

Transcriptome data of GC were obtained from TCGA. R and Perl were used to obtain the differentially expressed RNAs and construct a competing endogenous RNA (ceRNA) regulatory network. To investigate the biological functions of differentially expressed RNAs, loss-of-function and gain-of-function experiments were performed. Real-time PCR (RT-qPCR), western blot analysis, dual-luciferase reporter assays and fluorescence in situ hybridization were conducted to explore the underlying mechanisms of competitive endogenous RNAs (ceRNAs).

Results

Based on TCGA data and bioinformatics analysis, we identified the LINC00163/miR-183/A-Kinase Anchoring Protein 12 (AKAP12) axis. We observed that AKAP12 was weakly expressed in GC and suppressed invasion and metastasis in GC cells, which could be abolished by miR-183. In addition, LINC00163 can be used as a ceRNA to inhibit the expression of miR-183, thus enhancing the anticancer effect of AKAP12.

Conclusion

Our results demonstrated that weak LINC00163 expression in GC can sponge miR-183 to promote AKAP12. We established that the LINC00163/miR-183/AKAP12 axis plays an important role in GC invasion and metastasis and may be a potential biomarker and target for GC treatment.

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Title: LINC00163 inhibits the invasion and metastasis of gastric cancer cells as a ceRNA by sponging miR-183 to regulate the expression of AKAP12
Authors: Jun Zhang
Hai-yan Piao
Shuai Guo
Yue Wang
Tao Zhang
Zhi-chao Zheng
Yan Zhao
Publication date: 01-04-2020
Publisher: Springer Singapore
Keywords: Metastasis
Gastric Cancer
Gastric Cancer
Published in: International Journal of Clinical Oncology / Issue 4/2020
Print ISSN: 1341-9625
Electronic ISSN: 1437-7772
DOI: https://doi.org/10.1007/s10147-019-01604-w

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