Open Access

Association between serum soluble Toll‑like receptor 2 and 4 and the risk of breast cancer

  • Authors:
    • Ghada El‑Kharashy
    • Ahmed Gowily
    • Tarek Okda
    • Maha Houssen
  • View Affiliations

  • Published online on: December 24, 2020     https://doi.org/10.3892/mco.2020.2200
  • Article Number: 38
  • Copyright: © El‑Kharashy et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Soluble Toll‑like receptor (sTLR) 2 and 4 are endogenous negative regulators of TLR2 and TLR4 signaling. Therefore, the present study aimed to determine the serum levels of sTLR2 and 4, and to investigate the association between their levels and the clinicopathological parameters of patients with breast cancer. A total of 100 female patients with breast cancer (50 non‑metastatic and 50 metastatic), as well as 50 healthy control volunteers were enrolled in the present study, and serum levels of sTLR2 and 4 were determined by ELISA. A significant increase in serum sTLR2 was detected in patients with non‑metastatic (2,258.2±1,832.44 pg/ml) and metastatic (5,997.4±8,585.23 pg/ml) breast cancer, compared with the control group (1,106.8± 99.93 pg/ml; P=0.0001). A significant increase in serum sTLR4 was also detected in patients with both non‑metastatic (1,945.2±1,709.53 pg/ml) and metastatic breast cancer (7,800.1±13,041.28 pg/ml), compared with the control group (1,106.8±108.32 pg/ml; P=0.0001). Furthermore, a positive correlation was observed between the levels of serum sTLR4 and 2 and clinicopathological parameters, such as progesterone receptor and estrogen receptor expression. In conclusion, sTLR2 and sTLR4 may be potential biomarkers of breast cancer susceptibility.
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Spandidos Publications style
El‑Kharashy G, Gowily A, Okda T and Houssen M: Association between serum soluble Toll‑like receptor 2 and 4 and the risk of breast cancer. Mol Clin Oncol 14: 38, 2021.
APA
El‑Kharashy, G., Gowily, A., Okda, T., & Houssen, M. (2021). Association between serum soluble Toll‑like receptor 2 and 4 and the risk of breast cancer. Molecular and Clinical Oncology, 14, 38. https://doi.org/10.3892/mco.2020.2200
MLA
El‑Kharashy, G., Gowily, A., Okda, T., Houssen, M."Association between serum soluble Toll‑like receptor 2 and 4 and the risk of breast cancer". Molecular and Clinical Oncology 14.2 (2021): 38.
Chicago
El‑Kharashy, G., Gowily, A., Okda, T., Houssen, M."Association between serum soluble Toll‑like receptor 2 and 4 and the risk of breast cancer". Molecular and Clinical Oncology 14, no. 2 (2021): 38. https://doi.org/10.3892/mco.2020.2200