期刊
FEBS JOURNAL
卷 288, 期 5, 页码 1447-1456出版社
WILEY
DOI: 10.1111/febs.15483
关键词
cancer stem; initiating cells; cell fusion; epithelial-mesenchymal transition; mesenchymal stromal; stem cells; tumor metastasis
资金
- National Natural Science Foundation of China [81702272]
- Beijing Natural Science Foundation [5202001]
- Beijing Postdoctoral Research Foundation [2016ZZ-33]
- Spark Foundation of Beijing University of Technology [XH-2020-10-02]
Invasion and metastasis are key characteristics of malignant tumors, with epithelial-mesenchymal transition (EMT) recognized as the initial step. Cell fusion, particularly involving mesenchymal stromal/stem cells (MSCs), plays a critical role in cancer development and progression, potentially influencing tumor growth and metastasis.
Invasion and metastasis are the basic characteristics and important markers of malignant tumors, which are also the main cause of death in cancer patients. Epithelial-mesenchymal transition (EMT) is recognized as the first step of tumor invasion and metastasis. Many studies have demonstrated that cell fusion is a common phenomenon and plays a critical role in cancer development and progression. At present, cancer stem cell fusion has been considered as a new mechanism of cancer metastasis. Mesenchymal stromal/stem cell (MSC) is a kind of adult stem cells with high self-renewal ability and multidifferentiation potential, which is used as a very promising fusogenic candidate in the tumor microenvironment and has a crucial role in cancer progression. Many research results have shown that MSCs are involved in the regulation of tumor growth and metastasis through cell fusion. However, the role of cell fusion between MSCs and malignant cells in tumor growth and metastasis is still controversial. Several studies have demonstrated that MSCs can enhance malignant characteristics, promoting tumor growth and metastasis by fusing with malignant cells, while other conflicting reports believe that MSCs can reduce tumorigenicity upon fusion with malignant cells. In this review, we summarize the recent research on cell fusion events between MSCs and malignant cells in tumor growth and metastasis. The elucidation of the molecular mechanisms between MSC fusion and tumor metastasis may provide an effective strategy for tumor biotherapy.
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