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    • 4. 发明申请
    • PLURIPOTENTIAL EMBRYONIC STEM CELLS AND METHODS OF MAKING SAME
    • 胚胎干细胞及其制备方法
    • US20070178590A1
    • 2007-08-02
    • US11550713
    • 2006-10-18
    • Brigid Hogan
    • Brigid Hogan
    • C12N5/06C12N5/08
    • C12N5/0611C12N5/0606C12N2501/115C12N2501/125C12N2501/235C12N2502/99C12N2503/02C12N2506/04C12N2510/00
    • The present invention provides a non-mouse, including human, pluripotential embryonic stem cell which can: (a) be maintained on feeder layers for at least 20 passages; and (b) give rise to embryoid bodies and multiple differentiated cell phenotypes in monolayer culture. The invention further provides a method of making a pluripotential embryonic stem cell comprising culturing germs cells and germ cell progenitors in a composition comprising a growth enhancing amount of basic fibroblast growth factor, leukemia inhibitory factor, membrane associated steel factor, and soluble steel factor to primordial germ cells under cell growth conditions, thereby making a pluripotential embryonic stem cell. Also provided are composition useful to produce the pluripotent embryonic stem cells and methods of screening associated with the method of making the embryonic stem cell.
    • 本发明提供了一种非小鼠,其包括人多能胚胎干细胞,其可以:(a)保持在饲养层上至少20代; 和(b)在单层培养物中产生类胚体和多种分化细胞表型。 本发明还提供了一种制备多能胚胎干细胞的方法,包括在包含生长增加量的碱性成纤维细胞生长因子,白血病抑制因子,膜相关钢因子和可溶性钢因子的组合物中培养细菌和生殖细胞祖细胞至原始 细胞生长条件下的生殖细胞,从而形成多能胚胎干细胞。 还提供了可用于产生多能胚胎干细胞的组合物和与制备胚胎干细胞的方法相关的筛选方法。