Function of microRNA‑141 in human breast cancer through cytotoxic CD4+ T cells regulated by MAP4K4 expression

  • Authors:
    • Qing Zhang
    • Huang Xin
    • Tang Fen
  • View Affiliations

  • Published online on: March 28, 2018     https://doi.org/10.3892/mmr.2018.8814
  • Pages: 7893-7901
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Abstract

The present study investigated the anti‑cancer effect of microRNA (miRNA)‑141 on apoptosis rate of breast cancer cells and the possible underlying mechanism. In patients with breast cancer, the expression of miRNA‑141 was downregulated. Overexpression of miRNA‑141 reduced breast cancer cell growth, inhibited the expression of cyclooxygenase‑2 (COX‑2), prostaglandin E2 (PGE2) and tumor necrosis factor (TNF)‑α, and increased the expression levels of interleukin (IL)‑10. However, downregulation of miRNA‑141 resulted in upregulation of COX‑2, PGE2 and TNF‑α expression levels, and an inhibition of IL‑10. Overexpression of miRNA‑141 suppressed mitogen‑activated protein kinase kinase kinase kinase 4 (MAP4K4) protein expression. Downregulation of miRNA‑141 markedly upregulated MAP4K4 protein expression in MCF‑7 cells. Promotion of MAP4K4 protein expression reduced the effects of miRNA‑141 on the toxicity of CD4+ T cells on breast cancer cells. The results of the present study indicated that miRNA‑141 may cause anti‑tumor effects in human breast cancer cells via cytotoxic CD4+ T cells.
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June-2018
Volume 17 Issue 6

Print ISSN: 1791-2997
Online ISSN:1791-3004

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Spandidos Publications style
Zhang Q, Xin H and Fen T: Function of microRNA‑141 in human breast cancer through cytotoxic CD4+ T cells regulated by MAP4K4 expression. Mol Med Rep 17: 7893-7901, 2018
APA
Zhang, Q., Xin, H., & Fen, T. (2018). Function of microRNA‑141 in human breast cancer through cytotoxic CD4+ T cells regulated by MAP4K4 expression. Molecular Medicine Reports, 17, 7893-7901. https://doi.org/10.3892/mmr.2018.8814
MLA
Zhang, Q., Xin, H., Fen, T."Function of microRNA‑141 in human breast cancer through cytotoxic CD4+ T cells regulated by MAP4K4 expression". Molecular Medicine Reports 17.6 (2018): 7893-7901.
Chicago
Zhang, Q., Xin, H., Fen, T."Function of microRNA‑141 in human breast cancer through cytotoxic CD4+ T cells regulated by MAP4K4 expression". Molecular Medicine Reports 17, no. 6 (2018): 7893-7901. https://doi.org/10.3892/mmr.2018.8814