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Article Open Access

Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells

  • Authors:
    • Hui Zhang
    • Xiuli Yan
  • View Affiliations / Copyright

    Affiliations: Research Center for Traditional Chinese Medicine Complexity System, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China, Internal Medicine of Traditional Chinese Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, P.R. China
    Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2849-2855
    |
    Published online on: September 7, 2015
       https://doi.org/10.3892/ol.2015.3681
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Abstract

Cantharidin (CTD) is one of numerous natural products used in traditional Chinese medicine for the treatment of cancer. The aim of the present study was to investigate the effects of CTD on changes in the expression of microRNAs (miRNAs/miRs) and to explore its anti‑proliferative effect on MCF‑7 breast cancer cells. The proliferation of MCF‑7 cells was measured by performing an MTT assay. MCF‑7 cells were treated with various concentrations of CTD for 48 h, and the expression profiles of miRNAs in CTD‑treated and ‑untreated MCF‑7 cells were detected using miRNA microarray chips. The array data were confirmed by reverse transcription‑quantitative polymerase chain reaction and protein expression levels were measured by western blot analysis. The 50% inhibitory concentration of CTD was 1.75 µg/ml following treatment for 48 h and CTD significantly inhibited the proliferation of MCF‑7 cells in a dose‑dependent manner (P<0.01). Furthermore, microarray analysis identified 35 miRNAs that were up‑regulated (fold change ≥2.0 and P<0.01) and 45 miRNAs that were down‑regulated (fold change ≤ 0.5 and P<0.01) in response to CTD treatment. Thus, numerous CTD‑induced miRNAs appeared to be associated with breast cancer. Notably, CTD repressed the expression of miR‑106b‑93, its host gene MCM7 and its transcription factor E2F1. In addition, CTD induced an increase in the protein expression levels of miR‑106b‑93 target genes p21 and phosphatase and tensin homolog. These observations suggested that the modulation of miRNA expression is an important mechanism underlying the biological effects of CTD in breast cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang H and Yan X: Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells. Oncol Lett 10: 2849-2855, 2015.
APA
Zhang, H., & Yan, X. (2015). Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells. Oncology Letters, 10, 2849-2855. https://doi.org/10.3892/ol.2015.3681
MLA
Zhang, H., Yan, X."Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells". Oncology Letters 10.5 (2015): 2849-2855.
Chicago
Zhang, H., Yan, X."Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells". Oncology Letters 10, no. 5 (2015): 2849-2855. https://doi.org/10.3892/ol.2015.3681
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang H and Yan X: Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells. Oncol Lett 10: 2849-2855, 2015.
APA
Zhang, H., & Yan, X. (2015). Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells. Oncology Letters, 10, 2849-2855. https://doi.org/10.3892/ol.2015.3681
MLA
Zhang, H., Yan, X."Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells". Oncology Letters 10.5 (2015): 2849-2855.
Chicago
Zhang, H., Yan, X."Cantharidin modulates the E2F1/MCM7‑miR‑106b‑93/p21‑PTEN signaling axis in MCF‑7 breast cancer cells". Oncology Letters 10, no. 5 (2015): 2849-2855. https://doi.org/10.3892/ol.2015.3681
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