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Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16

  • Authors:
    • Yuehua Liu
    • Jingyu Zhou
    • Shalong Wang
    • Yuliang Song
    • Jianping Zhou
    • Feng Ren
  • View Affiliations / Copyright

    Affiliations: Department of Geriatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
    Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1212-1220
    |
    Published online on: June 7, 2019
       https://doi.org/10.3892/etm.2019.7650
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Abstract

Long non‑coding (lnc)RNA small nucleolar RNA host gene 12 (SNHG12) has an oncogenic role in various common human cancer types, including colorectal cancer (CRC). However, the detailed regulatory mechanisms of SNHG12 in CRC cells have remained largely elusive, and the investigation thereof was the purpose of the present study. Polymerase chain reaction analysis was performed to examine the expression of lncRNA and microRNA (miR). Cell Counting Kit‑8 and Transwell assays were used to assess cell proliferation and invasion. A luciferase reporter assay was performed to confirm a predicted targeting association between lncRNA and miR. It was observed that SNHG12 was markedly upregulated in CRC tissues when compared with that in adjacent non‑tumour tissues, and its high expression was associated with CRC progression, as well as poor prognosis of patients. In addition, the expression of SNHG12 was higher in CRC cell lines when compared with that in a normal intestinal epithelial cell line. Knockdown of SNHG12 significantly inhibited CRC cell proliferation and invasion, while ectopic overexpression of SNHG12 had the opposite effect. A Bioinformatics analysis predicted that SNHG12 and miR‑16 have complementary binding sites, which was confirmed by a luciferase reporter gene assay. The expression levels of miR‑16 were markedly decreased in CRC tissues and cell lines compared with those in normal tissues or cells, and were inversely correlated with the expression levels of SNHG12 in CRC tissues. Furthermore, silencing of miR‑16 eliminated the suppressive effects of SNHG12 knockdown on CRC cell proliferation and invasion. In conclusion, the present study demonstrated that SNHG12 promotes CRC cell proliferation and invasion, at least in part, by acting as a molecular sponge of miR‑16, suggesting that SNHG12 may be a promising therapeutic target for CRC.
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Copy and paste a formatted citation
Spandidos Publications style
Liu Y, Zhou J, Wang S, Song Y, Zhou J and Ren F: Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16. Exp Ther Med 18: 1212-1220, 2019.
APA
Liu, Y., Zhou, J., Wang, S., Song, Y., Zhou, J., & Ren, F. (2019). Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16. Experimental and Therapeutic Medicine, 18, 1212-1220. https://doi.org/10.3892/etm.2019.7650
MLA
Liu, Y., Zhou, J., Wang, S., Song, Y., Zhou, J., Ren, F."Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16". Experimental and Therapeutic Medicine 18.2 (2019): 1212-1220.
Chicago
Liu, Y., Zhou, J., Wang, S., Song, Y., Zhou, J., Ren, F."Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16". Experimental and Therapeutic Medicine 18, no. 2 (2019): 1212-1220. https://doi.org/10.3892/etm.2019.7650
Copy and paste a formatted citation
x
Spandidos Publications style
Liu Y, Zhou J, Wang S, Song Y, Zhou J and Ren F: Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16. Exp Ther Med 18: 1212-1220, 2019.
APA
Liu, Y., Zhou, J., Wang, S., Song, Y., Zhou, J., & Ren, F. (2019). Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16. Experimental and Therapeutic Medicine, 18, 1212-1220. https://doi.org/10.3892/etm.2019.7650
MLA
Liu, Y., Zhou, J., Wang, S., Song, Y., Zhou, J., Ren, F."Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16". Experimental and Therapeutic Medicine 18.2 (2019): 1212-1220.
Chicago
Liu, Y., Zhou, J., Wang, S., Song, Y., Zhou, J., Ren, F."Long non‑coding RNA SNHG12 promotes proliferation and invasion of colorectal cancer cells by acting as a molecular sponge of microRNA‑16". Experimental and Therapeutic Medicine 18, no. 2 (2019): 1212-1220. https://doi.org/10.3892/etm.2019.7650
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