Circ_0114866 Promotes the Progression and EMT of Non-small Cell Lung Cancer Via MiR-653-5p/MYL6B Axis

Overview

Journal Heliyon

Specialty Social Sciences

Date 2024 Sep 16

PMID 39281569

Authors

Jinpeng Sun

Zhenshan Zhang

Binghui Xia

Tianyu Yao

Fengyue Ge

Fengmei Yan

Affiliations

Soon will be listed here.

Abstract

Background: Non-small-cell lung cancer (NSCLC) is the most prevalent form of lung cancer. Circular RNA (circRNA) has emerged as a key player in the development of NSCLC by acting as miRNA sponges. However, the precise role of circ_0114866 in regulating NSCLC process is yet to be elucidated.

Methods: The expression of circ_0114866, miR-653-5p, and MYL6B were assessed by qPCR. Cell viability, proliferation, invasion, and migration were investigated using CCK-8, colony formation, Transwell, and wound healing assays. The protein levels of MYL6B, MMP-2, N-cadherin, E-cadherin, and vimentin were evaluated through Western blot analysis. Xenograft tumor model were selected to analyze the impact of circ_0114866 on NSCLC tumor growth. Through circBank or Starbase databases, the binding interactions between miR-653-5p and circ_0114866 or MYL6B were predicted. Subsequently, these interactions were verified by dual-luciferase reporter assay.

Results: The expression of circ_0114866 and MYL6B were clearly elevated, while miR-653-5p expression was notably reduced in NSCLC tissues and cells. Notably, circ_0114866 knockdown obviously suppressed the proliferation, metastasis, and EMT process in NSCLC cells. Additionally, circ_0114866 functioned as a sponge for miR-653-5p, leading to an increase in MYL6B expression by absorbing miR-653-5p. Furthermore, the inhibitory effects on biological behaviors and EMT process of NSCLC cells induced by circ_0114866 knockdown were reversed by miR-653-5p inhibitor. Moreover, experiments demonstrated that silencing circ_0114866 resulted in a repression of tumor growth.

Conclusion: Our findings indicate that circ_0114866 knockdown upregulated MYL6B transcription by sponging miR-653-5p, leading to hinder the progression and EMT process of NSCLC.

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