Open Access

Sirtuin 7 promotes colorectal carcinoma proliferation and invasion through the inhibition of E-cadherin

  • Authors:
    • Zhigang Deng
    • Xingbiao Wang
    • Xuan Long
    • Wanzhong Liu
    • Chunhua Xiang
    • Feng Bao
    • Dong Wang
  • View Affiliations

  • Published online on: December 22, 2017     https://doi.org/10.3892/etm.2017.5673
  • Pages: 2333-2342
  • Copyright: © Deng et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Sirtuin 7 (Sirt7) is a member of the sirtuin protein family and is implicated in various carcinomas; however, the function of Sirt7 in colorectal carcinoma (CRC) remains unclear. The present study aimed to explore the biological function of Sirt7 in CRC tissues and cell lines, and to investigate the potential underlying mechanism by performing reverse transcription‑quantitative polymerase chain reaction analyses, western blot analyses, luciferase reporter assays, cell proliferation and invasion assays. It was demonstrated that Sirt7 presented a higher expression in CRC tissues and cell lines compared with that in normal tissues and cells, and this higher expression was correlated with the tumor size, the tumor, node and metastasis stage and distant metastasis. Knockdown of Sirt7 repressed the proliferation ability of SW620 and HCT116 cells in vitro, while ectopic expression of Sirt7 increased the epithelial‑mesenchymal transition and invasion in HT29 and SW480 cells. Notably, these functional effects of Sirt7 were exerted through the repression of E‑cadherin. Thus, the data of the present study indicated a novel mechanistic role for Sirt7 as an oncogene in CRC malignancy, and Sirt7 may be a potential therapeutic target.
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March-2018
Volume 15 Issue 3

Print ISSN: 1792-0981
Online ISSN:1792-1015

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Copy and paste a formatted citation
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Spandidos Publications style
Deng Z, Wang X, Long X, Liu W, Xiang C, Bao F and Wang D: Sirtuin 7 promotes colorectal carcinoma proliferation and invasion through the inhibition of E-cadherin. Exp Ther Med 15: 2333-2342, 2018.
APA
Deng, Z., Wang, X., Long, X., Liu, W., Xiang, C., Bao, F., & Wang, D. (2018). Sirtuin 7 promotes colorectal carcinoma proliferation and invasion through the inhibition of E-cadherin. Experimental and Therapeutic Medicine, 15, 2333-2342. https://doi.org/10.3892/etm.2017.5673
MLA
Deng, Z., Wang, X., Long, X., Liu, W., Xiang, C., Bao, F., Wang, D."Sirtuin 7 promotes colorectal carcinoma proliferation and invasion through the inhibition of E-cadherin". Experimental and Therapeutic Medicine 15.3 (2018): 2333-2342.
Chicago
Deng, Z., Wang, X., Long, X., Liu, W., Xiang, C., Bao, F., Wang, D."Sirtuin 7 promotes colorectal carcinoma proliferation and invasion through the inhibition of E-cadherin". Experimental and Therapeutic Medicine 15, no. 3 (2018): 2333-2342. https://doi.org/10.3892/etm.2017.5673