Feeder cells with murine embryonic fibroblasts(MEF) were better than that with human embryonic fibroblasts(hEF), or STO or bovine embryonic fibroblasts (bEF).

• MEF、STO、bEF和hEF可提高人原始生殖细胞(PGCs)的贴壁率,能促进PGCs源的人类胚胎干细胞(ES)的分离效率; 以MEF作为饲养层效果较好。