Home CUSTOMERS Neoplasma 2022 Neoplasma Vol.69, No.3, p.583–593, 2022

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Neoplasma Vol.69, No.3, p.583–593, 2022

Title: LncRNA BCYRN1 promotes cell migration and invasion of non-small cell lung cancer via the miR-30b-3p/ROCK1 axis
Author: Shu Song, Wei-Gang Bian, Zhu Qin, Dong Zeng, Jing-Jing Xu, Hai-Cheng Tang

Abstract: Long non-coding RNA brain cytoplasmic RNA 1 (LncRNA BCYRN1) has been proved to participate in the cancer cell metastasis process, including non-small cell lung cancer (NSCLC). However, the underlying molecular mechanisms involved in the BCYRN1-mediated function remain largely unknown. The qRT-PCR analysis was carried out to examine the relative expressions of BCYRN1, microRNA-30b-3p (miR-30b-3p), and Rho-associated coiled-coil protein kinase 1 (ROCK-1). ROCK1 protein level was detected via western blot assay. The migrative and invasive abilities of H520 and A549 cells were evaluated via Transwell assay. The relationships between BCYRN1 and miR-30b-3p or ROCK-1 and miR-30b-3p were examined by luciferase reporter assay. The expression levels of BCYRN1 and ROCK1 were upregulated in NSCLC tissues and cells, while miR-30b-3p was downregulated. Higher BCYRN1 expression indicated lymph node metastasis and advanced tumor-node-metastasis (TNM) stage of NSCLC patients. Loss of BCYRN1 suppressed cell migration and invasion. More importantly, miR-30b-3p possessed the binding sites with BCYRN1. Besides, BCYRN1 negatively regulated the expression level of miR-30b-3p. Meanwhile, ROCK-1 was proven to be directly targeted by miR-30b-3p. In addition, the silencing of miR-30b-3p also weakened the effect of BCYRN1 knockdown on cell migration and invasion. In vivo, BCYRN1 silencing reduced the growth of A549 cells. LncRNA BCYRN1 was involved in the metastasis of NSCLC through modulating the miR-30b-3p/ROCK1 axis.

Keywords: LncRNA BCYRN1; NSCLC; metastasis; miR-30b-3p; ROCK1
Published online: 28-Feb-2022
Year: 2022, Volume: 69, Issue: 3 Page From: 583, Page To: 593
doi:10.4149/neo_2022_210726N1045
Price: 23.10 €






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