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Article

Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling

  • Authors:
    • Wanxing Duan
    • Weikun Qian
    • Cancan Zhou
    • Junyu Cao
    • Tao Qin
    • Ying Xiao
    • Liang Cheng
    • Jie Li
    • Ke Chen
    • Xuqi Li
    • Jiguang Ma
    • Qingyong Ma
  • View Affiliations / Copyright

    Affiliations: Department of Hepatobiliary Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of Hepatobiliary Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of General Surgery, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of Anesthesiology, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
  • Pages: 1495-1502
    |
    Published online on: June 22, 2018
       https://doi.org/10.3892/or.2018.6518
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Abstract

Pancreatic ductal adenocarcinoma (PDAC) is a highly invasive neoplasm with a 5‑year survival rate of <8%. Metformin, the most widely used antidiabetic drug in the world, has been shown to exert anticancer activities in epidemiological and animal studies. Our previous studies revealed that metformin suppressed desmoplasia in PDAC by reducing TGF‑β1 production in cancer cells. The aim of the present study was to investigate the effects of metformin on invasion and epithelial‑mesenchymal transition (EMT) in pancreatic cancer and to reveal the underlying mechanisms. In the present study, we revealed that metformin suppressed migration, invasion and EMT changes in pancreatic cancer cells. Furthermore, metformin reduced TGF‑β1 production and Smad2/3 phosphorylation in pancreatic cancer cells. In addition, treatment with recombinant TGF‑β1 recovered the metformin‑mediated invasion inhibition and EMT changes. Treatment with metformin also suppressed tumor growth, invasion and EMT in LSL‑KrasG12D/+, Trp53fl/+and Pdx1‑Cre (KPC) transgenic mice that harbor spontaneous pancreatic cancer. Collectively, our study revealed a new possible mechanism for the antitumor effects of metformin via autocrine TGF‑β1/Smad2/3 signaling in PDAC.
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Copy and paste a formatted citation
Spandidos Publications style
Duan W, Qian W, Zhou C, Cao J, Qin T, Xiao Y, Cheng L, Li J, Chen K, Li X, Li X, et al: Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling. Oncol Rep 40: 1495-1502, 2018.
APA
Duan, W., Qian, W., Zhou, C., Cao, J., Qin, T., Xiao, Y. ... Ma, Q. (2018). Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling. Oncology Reports, 40, 1495-1502. https://doi.org/10.3892/or.2018.6518
MLA
Duan, W., Qian, W., Zhou, C., Cao, J., Qin, T., Xiao, Y., Cheng, L., Li, J., Chen, K., Li, X., Ma, J., Ma, Q."Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling". Oncology Reports 40.3 (2018): 1495-1502.
Chicago
Duan, W., Qian, W., Zhou, C., Cao, J., Qin, T., Xiao, Y., Cheng, L., Li, J., Chen, K., Li, X., Ma, J., Ma, Q."Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling". Oncology Reports 40, no. 3 (2018): 1495-1502. https://doi.org/10.3892/or.2018.6518
Copy and paste a formatted citation
x
Spandidos Publications style
Duan W, Qian W, Zhou C, Cao J, Qin T, Xiao Y, Cheng L, Li J, Chen K, Li X, Li X, et al: Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling. Oncol Rep 40: 1495-1502, 2018.
APA
Duan, W., Qian, W., Zhou, C., Cao, J., Qin, T., Xiao, Y. ... Ma, Q. (2018). Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling. Oncology Reports, 40, 1495-1502. https://doi.org/10.3892/or.2018.6518
MLA
Duan, W., Qian, W., Zhou, C., Cao, J., Qin, T., Xiao, Y., Cheng, L., Li, J., Chen, K., Li, X., Ma, J., Ma, Q."Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling". Oncology Reports 40.3 (2018): 1495-1502.
Chicago
Duan, W., Qian, W., Zhou, C., Cao, J., Qin, T., Xiao, Y., Cheng, L., Li, J., Chen, K., Li, X., Ma, J., Ma, Q."Metformin suppresses the invasive ability of pancreatic cancer cells by blocking autocrine TGF‑β1 signaling". Oncology Reports 40, no. 3 (2018): 1495-1502. https://doi.org/10.3892/or.2018.6518
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