Journal
JOURNAL OF BONE ONCOLOGY
Volume 25, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jbo.2020.100322
Keywords
Osteosarcoma; Tumour microenvironment; microRNA
Categories
Funding
- Guangdong Basic and Applied Basic Research Foundation [2019A1515110954]
- Shenzhen Double Chain Project for Innovation and Development Industry
- Bureau of Industry and Information Technology of Shenzhen [201806081018272960]
- Shenzhen Science and Technology Innovation Committee Projects [JCYJ20190809182213535]
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Osteosarcoma (OS) is the most common primary bone tumour, with a peak incidence in adolescents, and the five-year survival rate of patients with metastasis or recurrence is much lower than that of patients without metastasis and recurrence. OS is initiated and develops in a complex tumour microenvironment (TME) that contains many different components, such as osteoblasts, osteoclasts, mesenchymal stem cells, fibroblasts, immune cells, extracellular matrix (ECM), extracellular vesicles, and cytokines. The extensive interaction between OS and the TME underlies OS progression. Therefore, rather than targeting OS cells, targeting the key factors in the TME may yield novel therapeutic approaches. MicroRNAs (miRNAs) play multiple roles in the biological behaviours of OS, and recent studies have implied that miRNAs are involved in mediating the communication between OS cells and the surrounding TME. Here, we review the TME landscape and the miRNA dysregulation of OS, describe the role of the altered TME in OS development and highlight the role of miRNA in the crosstalk between OS cells and the TME.
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