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Effects of RSF-1 on proliferation and apoptosis of breast cancer cells

  • Authors:
    • Yuhui Liu
    • Junda Gai
    • Lin Fu
    • Xiuwei Zhang
    • Enhua Wang
    • Qingchang Li
  • View Affiliations / Copyright

    Affiliations: Staff Room of Pathology, China Medical University, College of Basic Medical Science, Shenyang, Liaoning 110001, P.R. China, Department of Pathology, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
  • Pages: 4279-4284
    |
    Published online on: July 18, 2018
       https://doi.org/10.3892/ol.2018.9172
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Abstract

Effect of interference with chromatin remodeling and spacing factor-1 (RSF-1) on proliferation and apoptosis of breast cancer cells was investigated. MCF-7 and SKBR-3 cells were cultured in vitro and were divided into 3 groups: control group, negative siRNA control group (NC) and RSF-1 siRNA group. Western blot analysis was used to detect the expression of RSF protein after interference. Cell Counting Kit-8 (CCK-8) method was used to detect the effect of RSF-1 siRNA on cell proliferation. Plate cloning assay was used to detect the effect of RSF-1 siRNA on cell clone formation ability. Annexin V/PI double staining method was used to detect the effect of RSF-1 siRNA on cell apoptosis. Effect of RSF-1 siRNA on nuclear factor-κB (NF-κB) and its downstream signaling pathway were detected by western blot analysis. Western blot analysis showed that RSF-1 siRNA significantly downregulated the expression of RSF-1 protein in MCF-7 and SKBR-3 cells at 72 h after transfection (P<0.01). Cell proliferation assay showed that RSF-1 siRNA significantly reduced the proliferation ability and clone formation ability of MCF-7 and SKBR-3 cells compared with the control group (P<0.01). Annexin V/PI double staining assay results showed that compared with the control group, RSF-1 siRNA significantly increased the apoptosis rate of MCF-7 and SKBR-3 cells (P<0.01). Helenalin and Rsf-1 siRNA significantly reduced the expression levels of p-p65, Bcl-2, and XIAP proteins (P<0.01). Interfering with the expression of RSF-1, gene can effectively inhibit the proliferation of MCF-7 and SKBR-3 cells and promote their apoptosis. RSF-1 can be used as a potential new therapeutic target for the treatment of breast cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Liu Y, Gai J, Fu L, Zhang X, Wang E and Li Q: Effects of RSF-1 on proliferation and apoptosis of breast cancer cells. Oncol Lett 16: 4279-4284, 2018.
APA
Liu, Y., Gai, J., Fu, L., Zhang, X., Wang, E., & Li, Q. (2018). Effects of RSF-1 on proliferation and apoptosis of breast cancer cells. Oncology Letters, 16, 4279-4284. https://doi.org/10.3892/ol.2018.9172
MLA
Liu, Y., Gai, J., Fu, L., Zhang, X., Wang, E., Li, Q."Effects of RSF-1 on proliferation and apoptosis of breast cancer cells". Oncology Letters 16.4 (2018): 4279-4284.
Chicago
Liu, Y., Gai, J., Fu, L., Zhang, X., Wang, E., Li, Q."Effects of RSF-1 on proliferation and apoptosis of breast cancer cells". Oncology Letters 16, no. 4 (2018): 4279-4284. https://doi.org/10.3892/ol.2018.9172
Copy and paste a formatted citation
x
Spandidos Publications style
Liu Y, Gai J, Fu L, Zhang X, Wang E and Li Q: Effects of RSF-1 on proliferation and apoptosis of breast cancer cells. Oncol Lett 16: 4279-4284, 2018.
APA
Liu, Y., Gai, J., Fu, L., Zhang, X., Wang, E., & Li, Q. (2018). Effects of RSF-1 on proliferation and apoptosis of breast cancer cells. Oncology Letters, 16, 4279-4284. https://doi.org/10.3892/ol.2018.9172
MLA
Liu, Y., Gai, J., Fu, L., Zhang, X., Wang, E., Li, Q."Effects of RSF-1 on proliferation and apoptosis of breast cancer cells". Oncology Letters 16.4 (2018): 4279-4284.
Chicago
Liu, Y., Gai, J., Fu, L., Zhang, X., Wang, E., Li, Q."Effects of RSF-1 on proliferation and apoptosis of breast cancer cells". Oncology Letters 16, no. 4 (2018): 4279-4284. https://doi.org/10.3892/ol.2018.9172
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