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Article Open Access

Expression profile of Toll‑like receptors in human breast cancer

  • Authors:
    • Shuxun Shi
    • Cong Xu
    • Xiaonan Fang
    • Yonghuan Zhang
    • Hua Li
    • Wujun Wen
    • Guiwen Yang
  • View Affiliations / Copyright

    Affiliations: Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, P.R. China
    Copyright: © Shi et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 786-794
    |
    Published online on: November 26, 2019
       https://doi.org/10.3892/mmr.2019.10853
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Abstract

Toll‑like receptors (TLRs) are the most widely studied pattern recognition receptors. Mounting evidence suggests an important association between TLRs and the occurrence and development of breast cancer. Thus, targeting these receptors may be a potential strategy for breast cancer treatment. The current study analyzed the data of 1,215 patients with breast cancer obtained from The Cancer Genome Atlas (TCGA) database. It was observed that, in addition to TLR6, TLR7 and TLR8, the expression of the remaining TLRs in breast cancer tissues was lower than that in normal tissues. In addition, TLR3 and TLR9 displayed significantly different expression levels in ER‑/PR‑negative breast cancer compared with the control tissues, while TLR5 expression was significantly reduced in HER2‑enriched breast cancer. Furthermore, TLR10 exhibited lower expression levels in advanced stages of the disease as compared with that observed in earlier stages. Survival analysis revealed that the expression of TLR4 and TLR7 had a significant impact on survival, and higher expression levels suggested worse prognosis. Finally, the expression levels of TLR1, TLR2, TLR4, TLR5, TLR6 and TLR10 were correlated with those of the inflammatory cytokines interleukin‑1β and tumor necrosis factor‑α, while the expression levels of TLR3, TLR7, TLR8 and TLR9 were correlated with those of interferon‑β and C‑X‑C motif chemokine ligand 10. Taken together, the current study results suggest that TLR expression may serve as a biomarker of cancer pathogenesis and progression, and may provide new insights for the treatment of breast cancer through the regulation and targeting of TLRs.
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Copy and paste a formatted citation
Spandidos Publications style
Shi S, Xu C, Fang X, Zhang Y, Li H, Wen W and Yang G: Expression profile of Toll‑like receptors in human breast cancer. Mol Med Rep 21: 786-794, 2020.
APA
Shi, S., Xu, C., Fang, X., Zhang, Y., Li, H., Wen, W., & Yang, G. (2020). Expression profile of Toll‑like receptors in human breast cancer. Molecular Medicine Reports, 21, 786-794. https://doi.org/10.3892/mmr.2019.10853
MLA
Shi, S., Xu, C., Fang, X., Zhang, Y., Li, H., Wen, W., Yang, G."Expression profile of Toll‑like receptors in human breast cancer". Molecular Medicine Reports 21.2 (2020): 786-794.
Chicago
Shi, S., Xu, C., Fang, X., Zhang, Y., Li, H., Wen, W., Yang, G."Expression profile of Toll‑like receptors in human breast cancer". Molecular Medicine Reports 21, no. 2 (2020): 786-794. https://doi.org/10.3892/mmr.2019.10853
Copy and paste a formatted citation
x
Spandidos Publications style
Shi S, Xu C, Fang X, Zhang Y, Li H, Wen W and Yang G: Expression profile of Toll‑like receptors in human breast cancer. Mol Med Rep 21: 786-794, 2020.
APA
Shi, S., Xu, C., Fang, X., Zhang, Y., Li, H., Wen, W., & Yang, G. (2020). Expression profile of Toll‑like receptors in human breast cancer. Molecular Medicine Reports, 21, 786-794. https://doi.org/10.3892/mmr.2019.10853
MLA
Shi, S., Xu, C., Fang, X., Zhang, Y., Li, H., Wen, W., Yang, G."Expression profile of Toll‑like receptors in human breast cancer". Molecular Medicine Reports 21.2 (2020): 786-794.
Chicago
Shi, S., Xu, C., Fang, X., Zhang, Y., Li, H., Wen, W., Yang, G."Expression profile of Toll‑like receptors in human breast cancer". Molecular Medicine Reports 21, no. 2 (2020): 786-794. https://doi.org/10.3892/mmr.2019.10853
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