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The ability of mesenchymal stem cells (MSCs) to migrate is an important determinant of the efficiency of MSC transplant therapy. MicroRNA-10b (miR-10b) has been positively involved in the migration of a number of tumor cells lineages. To date, it remains unknown whether miR-10b affects the migration of MSCs. In the current study, the effect of miR-10b on the migration of mouse bone marrow-derived MSCs (bmMSCs) was investigated. Third-passage bmMSCs were transfected with miR-10b mimic and negative control precursor miRNA using Lipofectamine™ 2000. miR-10b and E-cadherin expression and bmMSC migration were determined. The present results showed that primary bmMSCs exhibit a spindled or triangular morphology and that third‑passage bmMSCs present a typical fibroblast-like morphology, exhibiting CD90-positive and CD45-negative expression. Compared with the transfection of negative control miRNA, transfection of miR-10b mimic markedly upregulated miR-10b expression in bmMSCs, increased their migration and downregulated E-cadherin expression. The current observations indicate that the upregulation of miR-10b increases bmMSC migration ability, which may be involved in the downregulation of E-cadherin.

microRNA-10b promotes the migration of mouse bone marrow-derived mesenchymal stem cells and downregulates the expression of E-cadherin