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Article

Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer

  • Authors:
    • Yu‑Heng Lai
    • Hao‑Yun Liu
    • Chun‑Yao Huang
    • Yat‑Pang Chau
    • Semon Wu
  • View Affiliations / Copyright

    Affiliations: Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan, R.O.C., Institute of Anatomy and Cell Biology, School of Medicine, National Yang Ming University, Taipei 112, Taiwan, R.O.C., Department of Pulmonary and Critical Care, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, New Taipei 231, Taiwan, R.O.C., Department of Medicine, Mackay Medical College, New Taipei 252, Taiwan, R.O.C., Department of Life Science, Chinese Culture University, Taipei 11114, Taiwan, R.O.C.
  • Pages: 999-1006
    |
    Published online on: November 9, 2018
       https://doi.org/10.3892/or.2018.6855
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Abstract

Mitochondrial (mt) DNA has been long suggested to contribute to carcinogenesis, and a variety of mutations in mtDNA have been confirmed to be related to various early stages of cancers; these data revealed that the detection of mtDNA in clinical samples may be a promising approach for cancer diagnosis. In the present study, the serum mtDNA in healthy donors and groups of patients with cancer was detected. It was revealed that patients with lung cancer without metastasis had more mtDNA in serum compared to patients with metastasis. Moreover, TLR9‑associated signalling was activated in vitro after treatment with a synthetic CpG oligodeoxyribonucleotide (ODN) called ODN‑M362. In addition, our data revealed that TLR9 and its adaptor protein, MyD88, were induced by ODN‑M362 in a dose‑dependent manner. A human cytokine array to evaluate stimulation of cytokine secretion by ODN‑M362 was also used. Our findings may identify the role that TLR9 and mtDNA play in lung cancer progression and metastasis.
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Copy and paste a formatted citation
Spandidos Publications style
Lai YH, Liu HY, Huang CY, Chau YP and Wu S: Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer. Oncol Rep 41: 999-1006, 2019.
APA
Lai, Y., Liu, H., Huang, C., Chau, Y., & Wu, S. (2019). Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer. Oncology Reports, 41, 999-1006. https://doi.org/10.3892/or.2018.6855
MLA
Lai, Y., Liu, H., Huang, C., Chau, Y., Wu, S."Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer". Oncology Reports 41.2 (2019): 999-1006.
Chicago
Lai, Y., Liu, H., Huang, C., Chau, Y., Wu, S."Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer". Oncology Reports 41, no. 2 (2019): 999-1006. https://doi.org/10.3892/or.2018.6855
Copy and paste a formatted citation
x
Spandidos Publications style
Lai YH, Liu HY, Huang CY, Chau YP and Wu S: Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer. Oncol Rep 41: 999-1006, 2019.
APA
Lai, Y., Liu, H., Huang, C., Chau, Y., & Wu, S. (2019). Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer. Oncology Reports, 41, 999-1006. https://doi.org/10.3892/or.2018.6855
MLA
Lai, Y., Liu, H., Huang, C., Chau, Y., Wu, S."Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer". Oncology Reports 41.2 (2019): 999-1006.
Chicago
Lai, Y., Liu, H., Huang, C., Chau, Y., Wu, S."Mitochondrial‑DNA‑associated TLR9 signalling is a potential serological biomarker for non‑small cell lung cancer". Oncology Reports 41, no. 2 (2019): 999-1006. https://doi.org/10.3892/or.2018.6855
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