Comparing these cells with CCE and MESPU 13 derived from 129/ter, the cells were comparatively large, the rate of growth of the cells was relatively slow in vitro, and the cells were considerably sticky and easier to adherent to microinjection pipet.

• 与国际上通用的CCE和来自129/ter的ES细胞MESPU13相比,这三个细胞系的ES细胞较大; 在体外培养时,生长较慢;