Stem cell is an ideal target cell with the ability of self renewing and multi differentiation, and can proliferate and keep multi differentiation potential when it is suitably cultivated in vitro.

• 干细胞具有自我更新,多向分化能力,在适宜的体外培养中干细胞能够稳定生存增殖并保持多向分化潜能,是便于体外操作的理想的靶细胞。