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Article Open Access

lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101

  • Authors:
    • Wenjun Yu
    • Zhenni Sun
    • Ling Yang
    • Yafei Han
    • Lu Yue
    • Lihua Deng
    • Ruyong Yao
  • View Affiliations / Copyright

    Affiliations: Department of Oncology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, Shandong 266071, P.R. China, Department of Central Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, P.R. China
    Copyright: © Yu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 4168-4174
    |
    Published online on: September 3, 2019
       https://doi.org/10.3892/mmr.2019.10646
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Abstract

MicroRNA (miR)‑101 copy loss is an early event in the development of human lung cancer, and it occurs in 29% of all lung cancer incidences. In addition, miR‑101 expression in non‑small cell lung cancer (NSCLC) is known to be downregulated. The aim of the present study was to explore the roles and mechanisms of the long non‑coding (lnc)‑RNA pro‑transition associated RNA (PTAR) on NSCLC cell proliferation, migration and invasion in association with miR‑101. Reverse transcription‑quantitative PCR analysis was performed to detect the expression of lncRNA PTAR in 30 paired human NSCLC tissues and the corresponding para‑tumor tissues. PTAR was amplified and cloned into the expression vector pCDNA3.1. Then, PTAR‑overexpression plasmids or small interfering (si)‑RNA‑PTAR was transfected into A549 cells for 48 h, after which cell proliferation and the cell cycle distribution were evaluated. In addition, Transwell chamber and cell scratch‑wound assays were conducted to analyze A549 cell migration and invasion. A luciferase activity assay was evaluated to determine the interaction between PTAR and miR‑101. Furthermore, our results demonstrated that in human NSCLC tissues and cell lines, lncRNA PTAR expression was upregulated compared with normal lung tissues and cell lines, respectively. Additionally, PTAR transfection was observed to promote A549 cell proliferation, migration and invasion; opposing effects were observed with siRNA‑PTAR transfection. The luciferase activity assay revealed that PTAR could act as a sponge to bind miR‑101. Thus, miR‑101 plays a role in NSCLC tumorigenesis and progression. In conclusion, lncRNA PTAR was proposed to promote NSCLC cell growth through sponging and inactivating miR‑101, which may be a possible mechanism underlying miR‑101 copy loss in human NSCLC.
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Copy and paste a formatted citation
Spandidos Publications style
Yu W, Sun Z, Yang L, Han Y, Yue L, Deng L and Yao R: lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101. Mol Med Rep 20: 4168-4174, 2019.
APA
Yu, W., Sun, Z., Yang, L., Han, Y., Yue, L., Deng, L., & Yao, R. (2019). lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101. Molecular Medicine Reports, 20, 4168-4174. https://doi.org/10.3892/mmr.2019.10646
MLA
Yu, W., Sun, Z., Yang, L., Han, Y., Yue, L., Deng, L., Yao, R."lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101". Molecular Medicine Reports 20.5 (2019): 4168-4174.
Chicago
Yu, W., Sun, Z., Yang, L., Han, Y., Yue, L., Deng, L., Yao, R."lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101". Molecular Medicine Reports 20, no. 5 (2019): 4168-4174. https://doi.org/10.3892/mmr.2019.10646
Copy and paste a formatted citation
x
Spandidos Publications style
Yu W, Sun Z, Yang L, Han Y, Yue L, Deng L and Yao R: lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101. Mol Med Rep 20: 4168-4174, 2019.
APA
Yu, W., Sun, Z., Yang, L., Han, Y., Yue, L., Deng, L., & Yao, R. (2019). lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101. Molecular Medicine Reports, 20, 4168-4174. https://doi.org/10.3892/mmr.2019.10646
MLA
Yu, W., Sun, Z., Yang, L., Han, Y., Yue, L., Deng, L., Yao, R."lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101". Molecular Medicine Reports 20.5 (2019): 4168-4174.
Chicago
Yu, W., Sun, Z., Yang, L., Han, Y., Yue, L., Deng, L., Yao, R."lncRNA PTAR promotes NSCLC cell proliferation, migration and invasion by sponging microRNA‑101". Molecular Medicine Reports 20, no. 5 (2019): 4168-4174. https://doi.org/10.3892/mmr.2019.10646
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