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Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3

  • Authors:
    • Yiling Cai
    • Mengting Yi
    • Dajun Chen
    • Jingjing Liu
    • Bayasi Guleng
    • Jianlin Ren
    • Huaxiu Shi
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, Fujian 361004, P.R. China
    Copyright: © Cai et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1474-1480
    |
    Published online on: September 19, 2016
       https://doi.org/10.3892/ijmm.2016.2739
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Abstract

The trefoil factor family (TFF) is a group of short secretory peptides of gastric mucous neck cells. The loss of TFF2 protein expression enhances gastric inflammation and occurs in gastric cancer. In this study, we examined the effect of TFF2 on gastric cancer cell lines in vitro and characterized the interaction between TFF2 and Sp3, including the mechanisms that mediate this interaction, using genomics and proteomics approaches, as well as genetics techniques, such as RNA interference and gene knockdown. Assays were performed to examine the role of TFF2 and Sp3 in cancer cell proliferation, invasion and migration. We found that TFF2 expression inhibited the proliferation and invasion capacity of gastric cancer cells, and induced apoptosis. TFF2 interacted with the Sp3 protein, as shown by immunofluorescence staining and immunoprecipitation with western blot analysis. Sp3 knockdown in gastric cancer cells antagonized TFF2 antitumor activity. Additionally, TFF2 upregulated the expression of pro-apoptotic proteins, such as Bid, but downregulated the expression of NF-κB and the anti-apoptotic proteins, Bcl-xL and Mcl‑1. By contrast, Sp3 knockdown significantly blocked TFF2 activity, affecting the expression of these proteins. The data from our study demonstrate that the antitumor activity of TFF2 is mediated by an interaction with the Sp3 protein in gastric cancer cells. Additional in vivo and ex vivo warrned in order to fully characterize this interaction.
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Copy and paste a formatted citation
Spandidos Publications style
Cai Y, Yi M, Chen D, Liu J, Guleng B, Ren J and Shi H: Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3. Int J Mol Med 38: 1474-1480, 2016.
APA
Cai, Y., Yi, M., Chen, D., Liu, J., Guleng, B., Ren, J., & Shi, H. (2016). Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3. International Journal of Molecular Medicine, 38, 1474-1480. https://doi.org/10.3892/ijmm.2016.2739
MLA
Cai, Y., Yi, M., Chen, D., Liu, J., Guleng, B., Ren, J., Shi, H."Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3". International Journal of Molecular Medicine 38.5 (2016): 1474-1480.
Chicago
Cai, Y., Yi, M., Chen, D., Liu, J., Guleng, B., Ren, J., Shi, H."Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3". International Journal of Molecular Medicine 38, no. 5 (2016): 1474-1480. https://doi.org/10.3892/ijmm.2016.2739
Copy and paste a formatted citation
x
Spandidos Publications style
Cai Y, Yi M, Chen D, Liu J, Guleng B, Ren J and Shi H: Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3. Int J Mol Med 38: 1474-1480, 2016.
APA
Cai, Y., Yi, M., Chen, D., Liu, J., Guleng, B., Ren, J., & Shi, H. (2016). Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3. International Journal of Molecular Medicine, 38, 1474-1480. https://doi.org/10.3892/ijmm.2016.2739
MLA
Cai, Y., Yi, M., Chen, D., Liu, J., Guleng, B., Ren, J., Shi, H."Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3". International Journal of Molecular Medicine 38.5 (2016): 1474-1480.
Chicago
Cai, Y., Yi, M., Chen, D., Liu, J., Guleng, B., Ren, J., Shi, H."Trefoil factor family 2 expression inhibits gastric cancer cell growth and invasion in vitro via interactions with the transcription factor Sp3". International Journal of Molecular Medicine 38, no. 5 (2016): 1474-1480. https://doi.org/10.3892/ijmm.2016.2739
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