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LncRNA MAFG-AS1 Accelerates Cell Migration, Invasion and Aerobic Glycolysis of Esophageal Squamous Cell Carcinoma Cells via miR-765/PDX1 Axis

Authors Qian C, Xu Z, Chen L, Wang Y, Yao J

Received 12 May 2020

Accepted for publication 22 July 2020

Published 5 August 2020 Volume 2020:12 Pages 6895—6908


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Eileen O'Reilly

Cui-juan Qian1 ,* Zhu-rong Xu1 ,* Lu-yan Chen,1 Yi-chao Wang,2 Jun Yao1

1Institute of Tumor, School of Medicine, Taizhou University, Taizhou, Zhejiang 318000, People’s Republic of China; 2Department of Medical Laboratory, Taizhou Central Hospital, Taizhou University Hospital, Taizhou, Zhejiang 318000, People’s Republic of China

*These authors contributed equally to this work

Correspondence: Jun Yao Email

Background: LncRNA dysregulation is implicated in esophageal squamous cell carcinoma (ESCC) progression; However, the precise role and function of lncRNA MAFG-AS1 in ESCC remains unknown.
Materials and Methods: Expressions of MAFG-AS1, miR-765, PDX1, GLUT1 and LDH-A were detected via qRT-PCR or/and Western blot in ESCC tissues and cell lines. CCK-8, transwell and glycolysis assays were used to investigate the effects of MAFG-AS1 on ESCC cell proliferation, migration, invasion and aerobic glycolysis after knockdown or overexpression of MAFG-AS1, and bioinformatics analyses, RNA pull-down and dual luciferase reporter systems were applied to investigate the interaction between MAFG-AS1, miR-765 and PDX1.
Results: MAFG-AS1 was significantly up-modulated in ESCC tissues and cell lines. MAFG-AS1 significantly accelerated ESCC cell proliferation, migration, invasion and aerobic glycolysis. MAFG-AS1 competitively adsorbed miR-765, while miR-765 negatively modulated the expression of PDX1. miR-765 and PDX1 participated in the promotive effects of MAFG-AS1 on cell migration, invasion and aerobic glycolysis in ESCC cells.
Conclusion: Our research indicates that the MAFG-AS1/miR-765/PDX1 axis accelerates ESCC cell proliferation, migration, invasion and aerobic glycolysis.

Keywords: ESCC, MAFG-AS1, aerobic glycolysis, miR-765, PDX1

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