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Article Open Access

lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma

  • Authors:
    • Wenqing Bao
    • Feng Cao
    • Shubin Ni
    • Jing Yang
    • Haidong Li
    • Zhenxi Su
    • Bin Zhao
  • View Affiliations / Copyright

    Affiliations: Department of General Surgery, Shanghai Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200135, P.R. China
    Copyright: © Bao et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2240-2247
    |
    Published online on: July 5, 2019
       https://doi.org/10.3892/ol.2019.10577
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Abstract

Long non‑coding RNA (lncRNA) FLVCR1 antisense RNA 1 (FLVCR1‑AS1) serves a crucial role in many types of cancer; however, to the best of our knowledge, the biological effect of FLVCR1‑AS1 in cholangiocarcinoma (CCA) remains unclear. The present study aimed to elucidate the involvement of FLVCR1‑AS1 in the regulation of human CCA cell growth, migration and invasion, as well as the mechanisms underlying its effect. The expression levels of FLVCR1‑AS1 in CCA tumor tissues, adjacent normal tissues, CCA cell lines and a cholangiocyte cell line were determined by reverse transcription‑quantitative polymerase chain reaction. A significantly higher expression level of FLVCR1‑AS1 was identified in CCA tumor tissues and the CCA cell lines HuCCT1 and CCLP1 compared with the normal controls. Short hairpin RNA targeting FLVCR1‑AS1 (shFLVCR1‑AS1) and a control plasmid (shNC) were transfected into CCA cell lines. Cell proliferation, colony formation, migration and invasion of CCA cells transfected with shFLVCR1‑AS1 were significantly suppressed compared with the shNC groups. The expression levels of migration and invasion‑associated proteins, including Twist, matrix metalloproteinase (MMP)‑2 and MMP‑9, were also significantly suppressed by shFLVCR1‑AS1‑treatment. Furthermore, FLVCR1‑AS1 knockdown inhibited tumor growth in a xenograft model. Mechanistically, FLVCR1‑AS1 was demonstrated to sponge microRNA‑485‑5p (miR‑485‑5p) in human CCA. The expression of miR‑458‑5p was significantly decreased in CCA tissue compared with normal tissue, and Pearson's correlation analysis revealed that FLVCR1‑AS1 expression was negatively correlated with miR‑485‑5p expression in CCA tissues. These results suggested that lncRNA FLVCR1‑AS1 may be used as a novel therapeutic target and a potential diagnostic marker for CCA.
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Copy and paste a formatted citation
Spandidos Publications style
Bao W, Cao F, Ni S, Yang J, Li H, Su Z and Zhao B: lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma. Oncol Lett 18: 2240-2247, 2019.
APA
Bao, W., Cao, F., Ni, S., Yang, J., Li, H., Su, Z., & Zhao, B. (2019). lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma. Oncology Letters, 18, 2240-2247. https://doi.org/10.3892/ol.2019.10577
MLA
Bao, W., Cao, F., Ni, S., Yang, J., Li, H., Su, Z., Zhao, B."lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma". Oncology Letters 18.3 (2019): 2240-2247.
Chicago
Bao, W., Cao, F., Ni, S., Yang, J., Li, H., Su, Z., Zhao, B."lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma". Oncology Letters 18, no. 3 (2019): 2240-2247. https://doi.org/10.3892/ol.2019.10577
Copy and paste a formatted citation
x
Spandidos Publications style
Bao W, Cao F, Ni S, Yang J, Li H, Su Z and Zhao B: lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma. Oncol Lett 18: 2240-2247, 2019.
APA
Bao, W., Cao, F., Ni, S., Yang, J., Li, H., Su, Z., & Zhao, B. (2019). lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma. Oncology Letters, 18, 2240-2247. https://doi.org/10.3892/ol.2019.10577
MLA
Bao, W., Cao, F., Ni, S., Yang, J., Li, H., Su, Z., Zhao, B."lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma". Oncology Letters 18.3 (2019): 2240-2247.
Chicago
Bao, W., Cao, F., Ni, S., Yang, J., Li, H., Su, Z., Zhao, B."lncRNA FLVCR1‑AS1 regulates cell proliferation, migration and invasion by sponging miR‑485‑5p in human cholangiocarcinoma". Oncology Letters 18, no. 3 (2019): 2240-2247. https://doi.org/10.3892/ol.2019.10577
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