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Article

Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy

  • Authors:
    • Ting-An Wang
    • Shu-Lin Xian
    • Xing-Yu Guo
    • Xiao-Dong Zhang
    • Yun-Fei Lu
  • View Affiliations / Copyright

    Affiliations: Department of Gastrointestinal and Gland Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
  • Pages: 271-279
    |
    Published online on: October 31, 2017
       https://doi.org/10.3892/or.2017.6060
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Abstract

As discovered by Warburg 80 years ago most malignant cells rely more on glycolysis than normal cells. The high rate of glycolysis provides faster ATP production and greater lactic acid for tumor proliferation and invasion, thus indicating a potential target in anticancer therapy. Our previous studies demonstrated that 3-bromopyruvate (3-BrPA) and sodium citrate (SCT) inhibited tumor cell proliferation in vitro. However, the underlying mechanisms still warrant further investigation. In the present study, we employed the human SGC-7901 gastric cancer cell line, built an orthotopic xenograft model in nude mice, examined the treatment response by 18F-FDG PET/CT and investigated the mechanisms of 3-BrPA and SCT in vivo. Our results demonstrated that glycolysis and tumor growth were inhibited by intraperitoneal injection of 3-BrPA and SCT, which were imaged using an 18F-FDG PET/CT scanner. In addition, apoptosis induced by 3-BrPA and SCT was initiated by the upregulation of Bax and downregulation of Bcl-2, which promote cytochrome c release and subsequently activate caspase-9 and -3, and ultimately execute mitochondria-mediated apoptosis. Furthermore, apoptosis was also modulated by the generation of ROS and inhibition of survivin. Accordingly, 3-BrPA and SCT can inhibit glycolysis and induce gastric cancer apoptosis through the mitochondrial caspase-dependent pathway.
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Copy and paste a formatted citation
Spandidos Publications style
Wang T, Xian S, Guo X, Zhang X and Lu Y: Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy. Oncol Rep 39: 271-279, 2018.
APA
Wang, T., Xian, S., Guo, X., Zhang, X., & Lu, Y. (2018). Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy. Oncology Reports, 39, 271-279. https://doi.org/10.3892/or.2017.6060
MLA
Wang, T., Xian, S., Guo, X., Zhang, X., Lu, Y."Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy". Oncology Reports 39.1 (2018): 271-279.
Chicago
Wang, T., Xian, S., Guo, X., Zhang, X., Lu, Y."Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy". Oncology Reports 39, no. 1 (2018): 271-279. https://doi.org/10.3892/or.2017.6060
Copy and paste a formatted citation
x
Spandidos Publications style
Wang T, Xian S, Guo X, Zhang X and Lu Y: Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy. Oncol Rep 39: 271-279, 2018.
APA
Wang, T., Xian, S., Guo, X., Zhang, X., & Lu, Y. (2018). Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy. Oncology Reports, 39, 271-279. https://doi.org/10.3892/or.2017.6060
MLA
Wang, T., Xian, S., Guo, X., Zhang, X., Lu, Y."Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy". Oncology Reports 39.1 (2018): 271-279.
Chicago
Wang, T., Xian, S., Guo, X., Zhang, X., Lu, Y."Combined 18F-FDG PET/CT imaging and a gastric orthotopic xenograft model in nude mice are used to evaluate the efficacy of glycolysis-targeted therapy". Oncology Reports 39, no. 1 (2018): 271-279. https://doi.org/10.3892/or.2017.6060
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