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International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

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International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

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Experimental and Therapeutic Medicine is an international journal devoted to laboratory and clinical medicine.

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Article

Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation

  • Authors:
    • Jeong-Hwa Baek
    • Ji-Hye Yim
    • Jie-Young Song
    • Hong-Duck Um
    • Jong Kuk Park
    • In-Chul Park
    • Jae-Sung Kim
    • Chang-Woo Lee
    • Eun-Hee Hong
    • Eun Ho Kim
    • Sang-Gu Hwang
  • View Affiliations / Copyright

    Affiliations: Division of Applied Radiation Bioscience, Korea Institute of Radiological and Medical Sciences, Seoul 01812, Republic of Korea, Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon 440-746, Republic of Korea, Low-dose Radiation Research Team, Korea Hydro and Nuclear Power, Seoul 01450, Republic of Korea
  • Pages: 1565-1572
    |
    Published online on: February 22, 2018
       https://doi.org/10.3892/or.2018.6278
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Abstract

The role of end-binding protein 1 (EB1) in lung cancer tumorigenesis and radiotherapy remains poorly understood. In the present study, we observed that EB1 was highly expressed in lung tumor tissues compared with normal non-tumor tissues based on immunohistochemical analysis of lung cancer tissue samples obtained from human tissue microarrays. EB1 was also highly overexpressed in radioresistant lung and cervical cancer cells, which exhibited increased cell death after EB1 silencing. The cytotoxicity induced by EB1 gene knockdown was due to the activation and generation of reactive oxygen species by p38 mitogen-activated protein kinase. Notably, this signaling cascade, however not nuclear factor-κB-mediated signaling, induced the expression of cyclooxygenase-2, a key effector of apoptotic death. Our results provided new molecular evidence supporting the use of EB1 as a novel target in lung cancer therapy, especially in the case of radioresistance.
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Copy and paste a formatted citation
Spandidos Publications style
Baek J, Yim J, Song J, Um H, Park J, Park I, Kim J, Lee C, Hong E, Kim E, Kim E, et al: Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation. Oncol Rep 39: 1565-1572, 2018.
APA
Baek, J., Yim, J., Song, J., Um, H., Park, J., Park, I. ... Hwang, S. (2018). Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation. Oncology Reports, 39, 1565-1572. https://doi.org/10.3892/or.2018.6278
MLA
Baek, J., Yim, J., Song, J., Um, H., Park, J., Park, I., Kim, J., Lee, C., Hong, E., Kim, E., Hwang, S."Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation". Oncology Reports 39.4 (2018): 1565-1572.
Chicago
Baek, J., Yim, J., Song, J., Um, H., Park, J., Park, I., Kim, J., Lee, C., Hong, E., Kim, E., Hwang, S."Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation". Oncology Reports 39, no. 4 (2018): 1565-1572. https://doi.org/10.3892/or.2018.6278
Copy and paste a formatted citation
x
Spandidos Publications style
Baek J, Yim J, Song J, Um H, Park J, Park I, Kim J, Lee C, Hong E, Kim E, Kim E, et al: Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation. Oncol Rep 39: 1565-1572, 2018.
APA
Baek, J., Yim, J., Song, J., Um, H., Park, J., Park, I. ... Hwang, S. (2018). Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation. Oncology Reports, 39, 1565-1572. https://doi.org/10.3892/or.2018.6278
MLA
Baek, J., Yim, J., Song, J., Um, H., Park, J., Park, I., Kim, J., Lee, C., Hong, E., Kim, E., Hwang, S."Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation". Oncology Reports 39.4 (2018): 1565-1572.
Chicago
Baek, J., Yim, J., Song, J., Um, H., Park, J., Park, I., Kim, J., Lee, C., Hong, E., Kim, E., Hwang, S."Knockdown of end-binding protein 1 induces apoptosis in radioresistant A549 lung cancer cells via p38 kinase-dependent COX-2 upregulation". Oncology Reports 39, no. 4 (2018): 1565-1572. https://doi.org/10.3892/or.2018.6278
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