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The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer

  • Authors:
    • Seon‑Kyu Kim
    • Kwangho Kim
    • Jea‑Woon Ryu
    • Tae‑Young Ryu
    • Jung Hwa Lim
    • Jung‑Hwa Oh
    • Jeong‑Ki Min
    • Cho‑Rok Jung
    • Ryuji Hamamoto
    • Mi‑Young Son
    • Dae‑Soo Kim
    • Hyun‑Soo Cho
  • View Affiliations / Copyright

    Affiliations: Korea Research Institute of Bioscience and Biotechnology, Daejeon 305‑333, Republic of Korea, Korea Institute of Toxicology (KIT), Daejeon 34114, Republic of Korea, Division of Molecular Modification and Cancer Biology, National Cancer Center, Tokyo 104‑0045, Japan
    Copyright: © Kim et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 65-76
    |
    Published online on: October 26, 2018
       https://doi.org/10.3892/ijo.2018.4608
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Abstract

Molecular classifications of breast cancer (BRC), such as human epidermal growth factor receptor 2 (HER2), luminal A and luminal B, have been developed to reduce unnecessary treatment by dividing patients with BRC into low‑ and high‑risk progression groups. However, these methods do not cover all of the pathological characteristics of BRC, and investigations into novel prognostic/therapeutic markers are thus continually required. In this study, we identified the overexpression of the histone methyltransferase, euchromatic histone‑lysine N‑methyltransferase 2 (EHMT2) in BRC samples (n=1,222) and normal samples (n=113) derived from the TCGA portal by performing a BRC tissue microarray. EHMT2 overexpression was clearly associated with a poor prognosis in multiple cohorts of patients with BRC (total, n=1,644). Furthermore, the knockdown of EHMT2 expression affected cell apoptosis via the downregulation and re‑localization of heat shock protein family D (Hsp60) member 1 (HSPD1). In addition, a statistically significant positive correlation between EHMT2 and HSPD1 expression was revealed in the clinical cohorts. On the whole, the findings of this study may assist the development of novel therapeutic strategies and provide a prognostic marker (EHMT2) for patients with BRC.
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Copy and paste a formatted citation
Spandidos Publications style
Kim SK, Kim K, Ryu JW, Ryu TY, Lim J, Oh JH, Min JK, Jung CR, Hamamoto R, Son MY, Son MY, et al: The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer. Int J Oncol 54: 65-76, 2019.
APA
Kim, S., Kim, K., Ryu, J., Ryu, T., Lim, J., Oh, J. ... Cho, H. (2019). The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer. International Journal of Oncology, 54, 65-76. https://doi.org/10.3892/ijo.2018.4608
MLA
Kim, S., Kim, K., Ryu, J., Ryu, T., Lim, J., Oh, J., Min, J., Jung, C., Hamamoto, R., Son, M., Kim, D., Cho, H."The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer". International Journal of Oncology 54.1 (2019): 65-76.
Chicago
Kim, S., Kim, K., Ryu, J., Ryu, T., Lim, J., Oh, J., Min, J., Jung, C., Hamamoto, R., Son, M., Kim, D., Cho, H."The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer". International Journal of Oncology 54, no. 1 (2019): 65-76. https://doi.org/10.3892/ijo.2018.4608
Copy and paste a formatted citation
x
Spandidos Publications style
Kim SK, Kim K, Ryu JW, Ryu TY, Lim J, Oh JH, Min JK, Jung CR, Hamamoto R, Son MY, Son MY, et al: The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer. Int J Oncol 54: 65-76, 2019.
APA
Kim, S., Kim, K., Ryu, J., Ryu, T., Lim, J., Oh, J. ... Cho, H. (2019). The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer. International Journal of Oncology, 54, 65-76. https://doi.org/10.3892/ijo.2018.4608
MLA
Kim, S., Kim, K., Ryu, J., Ryu, T., Lim, J., Oh, J., Min, J., Jung, C., Hamamoto, R., Son, M., Kim, D., Cho, H."The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer". International Journal of Oncology 54.1 (2019): 65-76.
Chicago
Kim, S., Kim, K., Ryu, J., Ryu, T., Lim, J., Oh, J., Min, J., Jung, C., Hamamoto, R., Son, M., Kim, D., Cho, H."The novel prognostic marker, EHMT2, is involved in cell proliferation via HSPD1 regulation in breast cancer". International Journal of Oncology 54, no. 1 (2019): 65-76. https://doi.org/10.3892/ijo.2018.4608
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