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Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells

  • Authors:
    • Xiaoyun Wang
    • Weijiang Zhang
    • Xiwen Sun
    • Yan Lin
    • Wei Chen
  • View Affiliations / Copyright

    Affiliations: Department of Gynecology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China, Guangzhou Youdi Biotechnology Company, Guangzhou, Guangdong 510006, P.R. China, Department of General Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zheijang 310009, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 5694-5702
    |
    Published online on: February 8, 2018
       https://doi.org/10.3892/ol.2018.8000
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Abstract

Endometrial cancer (EC) is the most common malignant gynecological disease. Cancer‑associated fibroblasts (CAFs) serve an important role in the development and progression of EC through epithelial‑mesenchymal transition (EMT). The aim of the present study was to examine the association between CAFs and EMT, and the possible mechanisms of action. Firstly, the CAFs and normal fibroblasts (NFs) were isolated and cultured, then an immunofluorescence assay was performed to analyze the purity and level of activation of CAFs and NFs, and then the conditional medium (CM) of CAFs and NFs was prepared. Reverse transcription quantitative polymerase chain reaction (RT‑qPCR) and western blotting examined the expression levels of epithelial (E)‑cadherin, neural (N)‑cadherin and vimentin. A Matrigel® invasion assay and wound healing assay were used to analyze the effect of the CM on invasion and migration. An ELISA assay also measured the levels of various cytokines in the CM. In addition, EMT‑associated proteins in metastatic lung tissues were detected by immunohistochemical assay. The results indicated that the CM of CAFs may decrease the level of E‑cadherin, and increase the levels of N‑cadherin and vimentin, while increasing the levels of invasion and metastasis in EC cells. The concentration of epidermal growth factor, transforming growth factor‑β, hepatic growth factor and fibroblast growth factor in the CM of CAFs increased significantly, in comparison with the NFs group (P<0.05). The exogenous growth factors induced migration and invasion of EC cells. CAFs induced lung metastasis and the EMT process in vivo. These data suggested that cancer‑associated fibroblasts may induce EMT through the secreted cytokines in endometrial cancer cells.
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Copy and paste a formatted citation
Spandidos Publications style
Wang X, Zhang W, Sun X, Lin Y and Chen W: Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells. Oncol Lett 15: 5694-5702, 2018.
APA
Wang, X., Zhang, W., Sun, X., Lin, Y., & Chen, W. (2018). Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells. Oncology Letters, 15, 5694-5702. https://doi.org/10.3892/ol.2018.8000
MLA
Wang, X., Zhang, W., Sun, X., Lin, Y., Chen, W."Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells". Oncology Letters 15.4 (2018): 5694-5702.
Chicago
Wang, X., Zhang, W., Sun, X., Lin, Y., Chen, W."Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells". Oncology Letters 15, no. 4 (2018): 5694-5702. https://doi.org/10.3892/ol.2018.8000
Copy and paste a formatted citation
x
Spandidos Publications style
Wang X, Zhang W, Sun X, Lin Y and Chen W: Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells. Oncol Lett 15: 5694-5702, 2018.
APA
Wang, X., Zhang, W., Sun, X., Lin, Y., & Chen, W. (2018). Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells. Oncology Letters, 15, 5694-5702. https://doi.org/10.3892/ol.2018.8000
MLA
Wang, X., Zhang, W., Sun, X., Lin, Y., Chen, W."Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells". Oncology Letters 15.4 (2018): 5694-5702.
Chicago
Wang, X., Zhang, W., Sun, X., Lin, Y., Chen, W."Cancer‑associated fibroblasts induce epithelial‑mesenchymal transition through secreted cytokines in endometrial cancer cells". Oncology Letters 15, no. 4 (2018): 5694-5702. https://doi.org/10.3892/ol.2018.8000
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