​Cell biological effects of mechanical stimulations generated by focused extracorporeal shock wave applications on cultured human bone marrow stromal cells

Human bone marrow stromal cells (hBMSCs) bear tremendous clinical potential due to their immunomodulatory properties in transplantation settings and their contribution to tissue regeneration. In fact, they are among the most promising types of stem-like cells for therapeutic applications and are the subject of intense research. However, the clinical use of hBMSCs has been confounded by limitations in their availability; they are scarce cells cumbersome to isolate and purify. Additionally, they are difficult to target to the site of injury in regeneration experiments. In order to combat these limitations, focused extracorporeal shock waves (fESW, 0.2/0.3 mJ ∗ mm−2 ) were applied to purified, cultured hBMSCs. fESW (0.2 mJ ∗ mm−2 ) stimulations were found to increase hBMSCs’ growth rate (p b 0.05), proliferation (p b 0.05), migration, cell tracking and wound healing (p b 0.05, respectively), as well as to reduce the rate of apoptosis activation (p b 0.05).

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