Long Non-Coding RNA TUG1 Modulates Proliferation, Migration, And Invasion Of Acute Myeloid Leukemia Cells Via Regulating miR-370-3p/MAPK1/ERK.

Abstract:

Background:Acute myeloid leukemia (AML) is the most common form of acute leukemia in adults. Long non-coding RNA taurine-upregulated gene 1 (lncRNA TUG1) has been discovered to participate in multiple cancers including AML. However, the detailed mechanism of TUG1 in AML remains obscure. Materials and methods:AML cell lines HL-60 and Kasumi-1 were taken as cell models. TUG1 knockdown or overexpression cell lines were generated. Then, the biological influence of TUG1 on cancer cells was studied using CCK-8 assay, transwell assay and Western blot in vitro. Interaction between TUG1 and miR-370-3p was determined by bioinformatics analysis, RT-PCR, and luciferase assay. Western blot, RT-PCR, and luciferase assay were carried out to validate the interaction between miR-370-3p and its target gene Mitogen-Activated Protein Kinase 1 (MAPK1). Results:Knockdown of TUG1 markedly reduced viability and metastasis of AML cells, while its overexpression had the opposite effect. MAPK1 was verified as a target gene of miR-370-3p. TUG1 could reduce the level of functional miR-370-3p, facilitate MAPK1 expression, and in turn activate ERK1/2 signaling. Conclusion:TUG1 could modulate malignant phenotypes of AML cells via miR-370-3p/MAPK1/ERK signaling. Our study would help to clarify the mechanism of AML tumorigenesis and progression.

journal_name

Onco Targets Ther

journal_title

OncoTargets and therapy

authors

Li G,Zheng P,Wang H,Ai Y,Mao X

doi

10.2147/OTT.S217795

subject

Has Abstract

pub_date

2019-11-29 00:00:00

pages

10375-10388

issn

1178-6930

pii

217795

journal_volume

12

pub_type

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