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Article Open Access

Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway

  • Authors:
    • Hai Lin
    • Li‑Hua Sun
    • Wei Han
    • Tie‑Ying He
    • Xin‑Jian Xu
    • Kun Cheng
    • Cheng Geng
    • Li‑Dan Su
    • Hao Wen
    • Xi‑Yan Wang
    • Qi‑Long Chen
  • View Affiliations / Copyright

    Affiliations: Department of Pancreatic Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, P.R. China, Liver Disease Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830054, P.R. China, Department of Pancreatic Surgery, Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830000, P.R. China
    Copyright: © Lin et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY_NC 3.0].
  • Pages: 1335-1342
    |
    Published online on: July 7, 2014
       https://doi.org/10.3892/mmr.2014.2367
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Abstract

Octamer‑binding transcription factor 4 (OCT4) is one of the factors associated with self‑renewal and differentiation in cancer stem cells, and is crucial for the progression of various types of human malignancy. However, the expression and function of OCT4 in human pancreatic cancer has not been fully elucidated. The purpose of the present study was to investigate the function and molecular mechanisms of OCT4 in pancreatic cancer cells. The clinical significance of OCT4 expression was assessed by an immunohistochemical assay using a tissue microarray procedure in pancreatic cancer tissues and cells with different degrees of differentiation. A loss‑of‑function approach was used to examine the effects of a lentivirus‑mediated OCT4 small hairpin RNA vector on biological behaviors, including cell proliferative activity and invasive potential. The results demonstrated that the expression levels of OCT4 protein in cancer tissues were significantly elevated compared with those in adjacent non‑cancerous tissues (65.0 vs. 42.5%; P=0.005), which was correlated with tumor differentiation (P=0.008). The knockdown of OCT4 inhibited the proliferation and invasion of pancreatic cancer cells (Panc‑1) expressing high levels of OCT4, accompanied with decreased expression of AKT, proliferating cell nuclear antigen (PCNA) and matrix metalloproteinase‑2 (MMP‑2). In conclusion, the present study reveals that the increased expression of OCT4 is correlated with the differentiation of pancreatic cancer, while knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of AKT pathway‑mediated PCNA and MMP‑2 expression, suggesting that OCT4 might serve as a potential therapeutic target for the treatment of pancreatic cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Lin H, Sun LH, Han W, He TY, Xu XJ, Cheng K, Geng C, Su LD, Wen H, Wang XY, Wang XY, et al: Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway. Mol Med Rep 10: 1335-1342, 2014.
APA
Lin, H., Sun, L., Han, W., He, T., Xu, X., Cheng, K. ... Chen, Q. (2014). Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway. Molecular Medicine Reports, 10, 1335-1342. https://doi.org/10.3892/mmr.2014.2367
MLA
Lin, H., Sun, L., Han, W., He, T., Xu, X., Cheng, K., Geng, C., Su, L., Wen, H., Wang, X., Chen, Q."Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway". Molecular Medicine Reports 10.3 (2014): 1335-1342.
Chicago
Lin, H., Sun, L., Han, W., He, T., Xu, X., Cheng, K., Geng, C., Su, L., Wen, H., Wang, X., Chen, Q."Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway". Molecular Medicine Reports 10, no. 3 (2014): 1335-1342. https://doi.org/10.3892/mmr.2014.2367
Copy and paste a formatted citation
x
Spandidos Publications style
Lin H, Sun LH, Han W, He TY, Xu XJ, Cheng K, Geng C, Su LD, Wen H, Wang XY, Wang XY, et al: Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway. Mol Med Rep 10: 1335-1342, 2014.
APA
Lin, H., Sun, L., Han, W., He, T., Xu, X., Cheng, K. ... Chen, Q. (2014). Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway. Molecular Medicine Reports, 10, 1335-1342. https://doi.org/10.3892/mmr.2014.2367
MLA
Lin, H., Sun, L., Han, W., He, T., Xu, X., Cheng, K., Geng, C., Su, L., Wen, H., Wang, X., Chen, Q."Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway". Molecular Medicine Reports 10.3 (2014): 1335-1342.
Chicago
Lin, H., Sun, L., Han, W., He, T., Xu, X., Cheng, K., Geng, C., Su, L., Wen, H., Wang, X., Chen, Q."Knockdown of OCT4 suppresses the growth and invasion of pancreatic cancer cells through inhibition of the AKT pathway". Molecular Medicine Reports 10, no. 3 (2014): 1335-1342. https://doi.org/10.3892/mmr.2014.2367
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