Objective To observe the effects of a low intensity pulsed electromagnetic field ( LIPEMF) on the differentiation and regulation of skin epidermal stem cells ( ESC).
目的观察不同频率的低强度脉冲电磁场（LIPEMF）对皮肤表皮干细胞（ESC）增殖作用的影响。
Conclusion The stress of skin soft-tissue expansion can induce epidermal stem cells to proliferate and differentiate, which probably is an important biological basis for skin soft-tissue expansion.
结论皮肤软组织扩张术的应力能诱导大鼠表皮干细胞的增殖与分化，其可能是皮肤软组织扩张术的重要生物学基础。
According to the study in biology of skin development, epidermal stem cells are very important in the skin development since the epidermal structure usually regenerated from the epidermal stem cells.
通过对皮肤发育生物学研究发现，表皮干细胞在皮肤形成过程中起重要作用，皮肤的多层表皮结构通常是由表皮干细胞再生而来。
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