LncRNA MAGI2-AS3 Affects Cell Invasion and Migration of Cervical Squamous Cell Carcinoma (CSCC) via Sponging miRNA-233/EPB41L3 Axis
Authors Hou A, Zhang Y, Fan Y, Zheng Y, Zhou X, Liu H
Received 22 July 2019
Accepted for publication 17 May 2020
Published 3 June 2020 Volume 2020:12 Pages 4209—4216
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Eileen O'Reilly
Anli Hou,1 Yali Zhang,2 Yujuan Fan,1 Yi Zheng,3 Xiuying Zhou,1 Huilan Liu1
1Department of Gynaecology, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen City, Guangdong Province 518106, People’s Republic of China; 2Department of Gynaecology, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, People’s Republic of China; 3Department of Central Lab, University of Chinese Academy of Sciences Shenzhen Hospital, Shenzhen City, Guangdong Province 518106, People’s Republic of China
Correspondence: Anli Hou
Department of Gynaecology, University of Chinese Academy of Sciences Shenzhen Hospital, No. 4253 Songbai Road, Matian Street, Guangming District, Shenzhen City, Guangdong Province 518106, People’s Republic of China
Introduction: The incidence of cervical squamous cell carcinoma (CSCC) has expanded in recent years. However, the function of long non-coding RNA (lncRNA) MAGI2-AS3 in the occurrence and progression of CSCC remains unclear. Therefore, the role of lncRNA MAGI2-AS3 in cervical squamous cell carcinoma (CSCC) was investigated in our study.
Methods: We used qRT-PCR analysis to identify the level of MAGI2-AS3 mRNA expression in CSCC clinical samples and cell lines. We investigated cell migration and invasion of CSCC cells transfected with MAGI2-AS3, miR-233 mimic, or EPB41L3 with transwell assays. Bioinformatics analysis and a luciferase reporter assay were employed to predict the interaction between MAGI2-AS3 and miR-233.
Results: We found that MAGI2-AS3 and EPB41L3 were both downregulated in CSCC and the expression of this two was positively correlated. Bioinformatics analysis showed that MAGI2-AS3 might bind to miR-233, which could directly target EPB41L3. In CSCC cells, overexpression of MAGI2-AS3 led to upregulated, while overexpression of miRNA-233 led to downregulated expression of EPB41L3. However, MAGI2-AS3 and miR-233 did not affect the expression of each other. In addition, overexpression of MAGI2-AS3 and EPB41L3 led to inhibited cancer cell invasion and migration, while overexpression of miR-233 played an opposite role and attenuated the effects of overexpressing MAGI2-AS3.
Conclusion: MAGI2-AS3 may sponge miR-233 to upregulate EPB41L3, thereby inhibiting CSCC cell invasion and migration.
Keywords: lncRNA MAGI2-AS3, cervical squamous cell carcinoma, EPB41L3, miR-223
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