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    • 10. 发明申请
    • Enriched or purified population of motor neurons and its preparation from a population of embryonic stem cells
    • 丰富或纯化的运动神经元群体及其从胚胎干细胞群体的制备
    • US20050003544A1
    • 2005-01-06
    • US10865637
    • 2004-06-10
    • Steven GoldmanNeeta RoyTakahiro Nakano
    • Steven GoldmanNeeta RoyTakahiro Nakano
    • C12N5/0793C12N15/87C12N5/08C12N15/88
    • C12N5/0619C12N2501/13C12N2501/385C12N2501/41C12N2502/1335C12N2506/02
    • The present invention is directed to a method of isolating an enriched or purified population of motor neurons from a population of embryonic stem cells. This method involves providing a population of embryonic stem cells and selecting a promoter or enhancer which functions only in the motor neurons selected. A nucleic acid molecule encoding a marker protein under control of the promoter or enhancer is introduced into the induced population of embryonic stem cells. The motor neurons are allowed to express the marker protein and, the cells expressed in the marker protein are separated from the population of embryonic stem cells. The population of embryonic stem cells can be induced to produce a mixed population of cells comprising motor neurons before or after a nucleic acid molecule encoding the marker protein under control of the promoter enhancer is introduced into the population of embryonic stem cells. As a result, an enriched or purified population of motor neurons is isolated.
    • 本发明涉及从胚胎干细胞群中分离富集或纯化的运动神经元群体的方法。 该方法涉及提供胚胎干细胞群并选择仅在选择的运动神经元中起作用的启动子或增强子。 将编码在启动子或增强子控制下的标记蛋白的核酸分子引入诱导的胚胎干细胞群中。 允许运动神经元表达标记蛋白,并将标记蛋白中表达的细胞与胚胎干细胞群体分离。 在将启动子增强子控制的编码标记蛋白的核酸分子引入胚胎干细胞群体之前或之后,可以诱导胚胎干细胞的群体产生包含运动神经元的混合细胞群。 结果,分离富集或纯化的运动神经元群体。