Korean Byungkyul - Citrus platymamma Hort.et Tanaka flavonoids induces cell cycle arrest and apoptosis, regulating MMP protein expression in Hep3B hepatocellular carcinoma cells

  • Authors:
    • Gyeong Eun Hong
    • Ho Jeong Lee
    • Jin A. Kim
    • Silvia Yumnam
    • Suchismita Raha
    • Venu Venkatarame Gowda Saralamma
    • Jeong Doo Heo
    • Sang Joon Lee
    • Eun Hee Kim
    • Chun Kil Won
    • Gon Sup Kim
  • View Affiliations

  • Published online on: December 22, 2016     https://doi.org/10.3892/ijo.2016.3816
  • Pages: 575-586
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Abstract

Citrus platymamma Hort.et Tanaka is an indigenous fruit of Jeju island in Korea. In this study the bioactivity of C. platymamma flavonoids were evaluated on human hepatoma Hep3B cell lines. Eleven flavonoids were identified from the peels of C. platymamma Hort.et Tanaka through high-performance liquid chromatography-Tandem mass spectrometry and the anticancer effect of these C. platymamma flavonoids on human hepatoma Hep3B were studied. Chromatin condensation was observed in Hep3B cells treated with C. platymamma flavonoids. DNA fragmentation was confirmed through agarose gel electrophoresis and TUNEL assay. An increase in the total apoptotic cells and G2/M cell cycle arrest with decreased protein expression of CDC25C, CDK1, cyclin B1 and p21 were observed in Hep3B cells treated with flavonoids of C. platymamma. Further, protein expression of Bcl-XL, Bax, caspase-3 and -9 were also modulated by C. platymamma flavonoids treatment indicating that cell death is through intrinsic apoptotic pathway. Moreover, C. platymamma flavonoids also regulated the phosphorylation of MAPKs, PI3K, and Akt in Hep3B cells. Relevant to inhibiting metastasis, C. platymamma treatment reduced wound closure of Hep3B cells and the protein expression of matrix metalloproteinase-2 and -9 were reduced in C. platymamma treated cells. The results show that C. platymamma flavonoids induce cell cycle arrest and apoptosis following activation of MAPKs and suppression of PI3K/Akt pathway which eventually inhibits cell migration in Hep3B cells. The finding provides evidence on biochemical activities of C. platymamma Hort.et Tanaka, which would be an essential agent for hepatocellular carcinoma (HCC) treatment.
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February-2017
Volume 50 Issue 2

Print ISSN: 1019-6439
Online ISSN:1791-2423

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Spandidos Publications style
Hong GE, Lee HJ, Kim JA, Yumnam S, Raha S, Venkatarame Gowda Saralamma V, Heo JD, Lee SJ, Kim EH, Won CK, Won CK, et al: Korean Byungkyul - Citrus platymamma Hort.et Tanaka flavonoids induces cell cycle arrest and apoptosis, regulating MMP protein expression in Hep3B hepatocellular carcinoma cells. Int J Oncol 50: 575-586, 2017.
APA
Hong, G.E., Lee, H.J., Kim, J.A., Yumnam, S., Raha, S., Venkatarame Gowda Saralamma, V. ... Kim, G.S. (2017). Korean Byungkyul - Citrus platymamma Hort.et Tanaka flavonoids induces cell cycle arrest and apoptosis, regulating MMP protein expression in Hep3B hepatocellular carcinoma cells. International Journal of Oncology, 50, 575-586. https://doi.org/10.3892/ijo.2016.3816
MLA
Hong, G. E., Lee, H. J., Kim, J. A., Yumnam, S., Raha, S., Venkatarame Gowda Saralamma, V., Heo, J. D., Lee, S. J., Kim, E. H., Won, C. K., Kim, G. S."Korean Byungkyul - Citrus platymamma Hort.et Tanaka flavonoids induces cell cycle arrest and apoptosis, regulating MMP protein expression in Hep3B hepatocellular carcinoma cells". International Journal of Oncology 50.2 (2017): 575-586.
Chicago
Hong, G. E., Lee, H. J., Kim, J. A., Yumnam, S., Raha, S., Venkatarame Gowda Saralamma, V., Heo, J. D., Lee, S. J., Kim, E. H., Won, C. K., Kim, G. S."Korean Byungkyul - Citrus platymamma Hort.et Tanaka flavonoids induces cell cycle arrest and apoptosis, regulating MMP protein expression in Hep3B hepatocellular carcinoma cells". International Journal of Oncology 50, no. 2 (2017): 575-586. https://doi.org/10.3892/ijo.2016.3816