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Abnormal tumor microenvironment and the epithelial-mesenchymal transition (EMT) are important features of tumor metastasis. However, it remains unknown how signals can form complicated networks to regulate the sustainability of the EMT process. The aim of our study is to explore the possible interaction between tumor-associated macrophages and tumor cells in the EMT process mediated by microRNA (miR)-362-3p. In this study, we found that by releasing TGF-β, M2 macrophages mediate binding of Smad2/3 to miR-362-3p promoter, leading to overexpression of miR-362-3p. MicroRNA-362-3p maintains EMT by regulating CD82, one of the most important members of the family of tetraspanins. Our finding suggests that miR-362-3p can serve as a core factor mediating cross-talk between the TGF-β pathway in tumor-associated macrophages and tetraspanins in tumor cells, and thus facilitates the EMT process.
Pubmed ID: 31215741
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Software package used for interactive, or batched, statistical analysis in social science, health sciences and marketing. Software platform offers advanced statistical analysis, a library of machine-learning algorithms, text analysis, open-source extensibility, integration with big data and deployment into applications.Versions that were produced by SPSS Inc. before the IBM acquisition (Versions 18 and earlier) would be given origin or publisher of SPSS Inc. in Chicago.
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