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Eur Rev Med Pharmacol Sci. 2018 Sep;22(18):5954-5963. doi: 10.26355/eurrev_201809_15926.

MicroRNA-590-5p suppresses the proliferation and invasion of non-small cell lung cancer by regulating GAB1.

Author information

1
Department of Thoracic Surgery, Affiliated Hospital of Jining Medical University, Jining, Chinawanghaining1212@163.com.

Abstract

OBJECTIVE:

Some specific microRNAs (miRNAs) have been identified to regulate the tumorigenesis of non-small cell lung cancer (NSCLC). MiR-590-5p was found to involve in the carcinogenesis of human cancers. This study aims at exploring the role of miR-590-5p in the pathogenesis of NSCLC.

PATIENTS AND METHODS:

The expressions of miR-590-5p and GAB1 were measured by quantitative Real-Time Polymerase Chain Reaction (qRT-PCR) and Western blot, respectively. The biological functions of miR-590-5p and GAB1 on cell viability and invasion were investigated through MTT and transwell assays. The binding site between miR-590-5p and GAB1 was verified by dual-luciferase reporter gene assay (DLR).

RESULTS:

MiR-590-5p expression was downregulated in NSCLC. MiR-590-5p overexpression inhibited the proliferation and invasion of NSCLC cells. Furthermore, miR-590-5p was confirmed to directly target GAB1. GAB1 knockdown had the same effect as overexpression of miR-590-5p in NSCLC. Moreover, overexpression of GAB1 partially reversed the suppressive effect of miR-590-5p on NSCLC.

CONCLUSIONS:

MiR-590-5p suppressed cell proliferation and invasion of NSCLC by inhibiting GAB1 expression, indicating that miR-590-5p was a suppressive miRNA in NSCLC.

PMID:
30280777
DOI:
10.26355/eurrev_201809_15926
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