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Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer

  • Authors:
    • Shenghua Tian
    • Pingping Li
    • Shi Sheng
    • Xin Jin
  • View Affiliations / Copyright

    Affiliations: Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China, Department of Endocrine and Vascular Surgery, Taihe Hospital, Hubei Medical College, Shiyan, Hubei 442000, P.R. China, Department of Vascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China, Department of Digestive Surgical Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
    Copyright: © Tian et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2211-2217
    |
    Published online on: December 13, 2017
       https://doi.org/10.3892/ol.2017.7598
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Abstract

Pancreatic cancer has one of the highest mortality rates of all cancer types. Fatty acid synthase (FASN) is a multifunctional protein homodimer that can convert acetyl coenzyme A (CoA) and malonyl‑CoA into palmitate, thus regulating lipogenesis. FASN overexpression has also been shown to cause resistance to gemcitabine, a chemotherapy treatment for pancreatic cancer; however, the mechanism by which this happens is unclear. Analysis of gene expression of FASN and pyruvate kinase M2 (PKM2) in pancreatic cancer was performed using Oncomine microarray gene expression datasets, which demonstrated that FASN and PKM2 were upregulated in pancreatic cancer compared with normal tissue. Specifically, it was demonstrated that FASN enabled the upregulation of PKM2 expression at the mRNA and protein levels, increasing the glucose consumption rate in pancreatic cancer cells. The present study also revealed that decreased levels of FASN reduced resistance to gemcitabine treatment, which was induced by PKM2 overexpression in pancreatic ductal adenocarcinoma cells. Therefore, FASN may represent a novel therapeutic target in pancreatic cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Tian S, Li P, Sheng S and Jin X: Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer. Oncol Lett 15: 2211-2217, 2018.
APA
Tian, S., Li, P., Sheng, S., & Jin, X. (2018). Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer. Oncology Letters, 15, 2211-2217. https://doi.org/10.3892/ol.2017.7598
MLA
Tian, S., Li, P., Sheng, S., Jin, X."Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer". Oncology Letters 15.2 (2018): 2211-2217.
Chicago
Tian, S., Li, P., Sheng, S., Jin, X."Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer". Oncology Letters 15, no. 2 (2018): 2211-2217. https://doi.org/10.3892/ol.2017.7598
Copy and paste a formatted citation
x
Spandidos Publications style
Tian S, Li P, Sheng S and Jin X: Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer. Oncol Lett 15: 2211-2217, 2018.
APA
Tian, S., Li, P., Sheng, S., & Jin, X. (2018). Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer. Oncology Letters, 15, 2211-2217. https://doi.org/10.3892/ol.2017.7598
MLA
Tian, S., Li, P., Sheng, S., Jin, X."Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer". Oncology Letters 15.2 (2018): 2211-2217.
Chicago
Tian, S., Li, P., Sheng, S., Jin, X."Upregulation of pyruvate kinase M2 expression by fatty acid synthase contributes to gemcitabine resistance in pancreatic cancer". Oncology Letters 15, no. 2 (2018): 2211-2217. https://doi.org/10.3892/ol.2017.7598
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