Effects of low-intensity pulsed ultrasound on cell viability, proliferation and neural differentiation of induced pluripotent stem cells-derived neural crest stem cells
2013
Lv, Yonggang | Zhao, Pengcheng | Chen, Guobao | Sha, Yongqiang | Yang, Li
Low-intensity pulsed ultrasound (LIPUS) acting on induced pluripotent stem cells–derived neural crest stem cells (iPSCs–NCSCs) is considered a promising therapy to improve the efficacy of injured peripheral nerve regeneration. Effects of LIPUS on cell viability, proliferation and neural differentiation of iPSCs–NCSCs were examined respectively in this study. LIPUS at 500 mW cm⁻²enhanced the viability and proliferation of iPSCs–NCSCs after 2 days and, after 4 days, up-regulated gene and protein expressions of NF-M, Tuj1, S100β and GFAP in iPSCs–NCSCs whereas after 7 days expression of only NF-M, S100β and GFAP were up-regulated. LIPUS treatment at an appropriate intensity can, therefore, be an efficient and cost-effective method to enhance cell viability, proliferation and neural differentiation of iPSCs–NCSCs in vitro for peripheral nerve tissue engineering.
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