期刊
FRONTIERS IN ONCOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2021.644109
关键词
metastasis; extracellular vesicles; therapeutic targets; metastatic niche; bone; osteoclast; osteoblast; mesenchymal stromal cell
类别
资金
- Associazione Italiana Ricerca sul Cancro [20614]
- University of Milano (Dept. Health Sciences) [Linea 2B-2019]
- AIRC [20614]
- Universita degli Studi di Milano
Bone is a common site for cancer metastasis, with spread to the bone associated with poor prognosis, pain, increased fracture risk, and hypercalcemia. Extracellular vesicles (EVs) play a role in this metastatic process, potentially affecting tumor metastasis formation.
Bone is the most common site of cancer metastasis and the spread of cancer cells to the bone is associated with poor prognosis, pain, increased risk of fractures, and hypercalcemia. The bone marrow microenvironment is an attractive place for tumor dissemination, due to the dynamic network of non-malignant cells. In particular, the alteration of the bone homeostasis favors the tumor homing and the consequent osteolytic or osteoblastic lesions. Extracellular vesicles (EVs) are reported to be involved in the metastatic process, promoting tumor invasion, escape from immune surveillance, extravasation, extracellular matrix remodeling, and metastasis, but the role of EVs in bone metastases is still unclear. Current results suggest the ability of tumor derived EVs in promoting bone localization and metastasis formation, altering the physiological balance between bone destruction and new bone depositions. Moreover, EVs from the bone marrow niche may support the onset of tumor metastasis. This review summarizes recent findings on the role of EVs in the pathological alterations of homeostasis that occur during bone metastasis to show novel potential EV-based therapeutic options to inhibit metastasis formation.
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