Role of exosomal miR‑21 in the tumor microenvironment and osteosarcoma tumorigenesis and progression (Review)

  • Authors:
    • Shoufeng Wang
    • Fang Ma
    • Yi Feng
    • Tang Liu
    • Shasha He
  • View Affiliations

  • Published online on: February 19, 2020     https://doi.org/10.3892/ijo.2020.4992
  • Pages: 1055-1063
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Abstract

Osteosarcoma is the most common bone tumor affecting both adolescents and children. Early detection is critical for the effective treatment of the disease. Derived from cancer cells, miR‑21 contained within exosomes in the tumor microenvironment may act on both cancer cells and the surrounding tumor microenvironment (TME), including immune cells, endothelial cells and fibroblasts. In human serum and plasm, the level of exosomal miR‑21 between osteosarcoma patients and healthy controls differs, supporting the role of miR‑21 as a biomarker for osteosarcoma. The involvement of a number of miR‑21 target genes in tumor progression suggests that miR‑21 may significantly affect the plasticity of cancer cells, leading to tumor progression, metastasis, angiogenesis and immune escape in osteosarcoma. Understanding the biogenesis and functions of exosomal miR‑21 is of great value for the diagnosis and therapy of cancer, including osteosarcoma. The present review discusses the role of miR‑21 in the tumor microenvironment, and in the development and progression of osteosarcoma, with an aim to summarize the functions of this miRNA in cancer.
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May-2020
Volume 56 Issue 5

Print ISSN: 1019-6439
Online ISSN:1791-2423

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Spandidos Publications style
Wang S, Ma F, Feng Y, Liu T and He S: Role of exosomal miR‑21 in the tumor microenvironment and osteosarcoma tumorigenesis and progression (Review). Int J Oncol 56: 1055-1063, 2020
APA
Wang, S., Ma, F., Feng, Y., Liu, T., & He, S. (2020). Role of exosomal miR‑21 in the tumor microenvironment and osteosarcoma tumorigenesis and progression (Review). International Journal of Oncology, 56, 1055-1063. https://doi.org/10.3892/ijo.2020.4992
MLA
Wang, S., Ma, F., Feng, Y., Liu, T., He, S."Role of exosomal miR‑21 in the tumor microenvironment and osteosarcoma tumorigenesis and progression (Review)". International Journal of Oncology 56.5 (2020): 1055-1063.
Chicago
Wang, S., Ma, F., Feng, Y., Liu, T., He, S."Role of exosomal miR‑21 in the tumor microenvironment and osteosarcoma tumorigenesis and progression (Review)". International Journal of Oncology 56, no. 5 (2020): 1055-1063. https://doi.org/10.3892/ijo.2020.4992