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Article

Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis

  • Authors:
    • Feng Gao
    • Ming Li
    • Wen-Bin Liu
    • Zhong-Su Zhou
    • Rui Zhang
    • Jun-Ling Li
    • Ke-Chao Zhou
  • View Affiliations / Copyright

    Affiliations: Powder Metallurgy Research Institute of Central South University, Changsha, Hunan, P.R. China, Changsha Stomatological Hospital, Changsha, Hunan, P.R. China, Department of Pathology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Hunan Cancer Hospital, Changsha, Hunan, P.R. China, Department of Ultrasonography, The Third Xiangya Hospital of Central South University, Changsha, Hunan, P.R. China
  • Pages: 1533-1539
    |
    Published online on: January 15, 2015
       https://doi.org/10.3892/or.2015.3727
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Abstract

Epigallocatechin gallate (EGCG), one of the major catechins found in green tea, was suggested to play a role as a chemopreventive agent in various human cancer models. In this study, we reported that EGCG has a profound antitumor effect on human tongue carcinoma cells by directly regulating glycolysis. EGCG dose-dependently inhibited anchorage-independent growth and short-term EGCG exposure substantially decreased EGF-induced EGF receptor (EGFR), Akt and ERK1/2 activation, as well as the downregulation of hexokinase 2 (HK2). Furthermore, inhibition of EGCG‑mediated HK2 expression was involved in Akt, but not in ERK1/2 signaling pathway suppression. Overexpression of constitutively activated Akt1 rescued inhibition of EGCG‑induced glycolysis. Moreover, EGCG inhibited HK2 expression on mitochondrial outer membrane and induced apoptosis. In summary, the results suggested that EGCG or a related analogue, may have a role in the management of human tongue carcinoma.
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Copy and paste a formatted citation
Spandidos Publications style
Gao F, Li M, Liu W, Zhou Z, Zhang R, Li J and Zhou K: Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis. Oncol Rep 33: 1533-1539, 2015.
APA
Gao, F., Li, M., Liu, W., Zhou, Z., Zhang, R., Li, J., & Zhou, K. (2015). Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis. Oncology Reports, 33, 1533-1539. https://doi.org/10.3892/or.2015.3727
MLA
Gao, F., Li, M., Liu, W., Zhou, Z., Zhang, R., Li, J., Zhou, K."Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis". Oncology Reports 33.3 (2015): 1533-1539.
Chicago
Gao, F., Li, M., Liu, W., Zhou, Z., Zhang, R., Li, J., Zhou, K."Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis". Oncology Reports 33, no. 3 (2015): 1533-1539. https://doi.org/10.3892/or.2015.3727
Copy and paste a formatted citation
x
Spandidos Publications style
Gao F, Li M, Liu W, Zhou Z, Zhang R, Li J and Zhou K: Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis. Oncol Rep 33: 1533-1539, 2015.
APA
Gao, F., Li, M., Liu, W., Zhou, Z., Zhang, R., Li, J., & Zhou, K. (2015). Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis. Oncology Reports, 33, 1533-1539. https://doi.org/10.3892/or.2015.3727
MLA
Gao, F., Li, M., Liu, W., Zhou, Z., Zhang, R., Li, J., Zhou, K."Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis". Oncology Reports 33.3 (2015): 1533-1539.
Chicago
Gao, F., Li, M., Liu, W., Zhou, Z., Zhang, R., Li, J., Zhou, K."Epigallocatechin gallate inhibits human tongue carcinoma cells via HK2‑mediated glycolysis". Oncology Reports 33, no. 3 (2015): 1533-1539. https://doi.org/10.3892/or.2015.3727
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