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    • 6. 发明申请
    • METHODS AND COMPOSITIONS FOR EX VIVO EXPANSION OF VERY SMALL EMBRYONIC-LIKE STEM CELLS (VSELS)
    • 用于EXVIVO扩增非常小的胚胎样干细胞(VSELS)的方法和组合物
    • WO2017152073A1
    • 2017-09-08
    • PCT/US2017/020696
    • 2017-03-03
    • UNIVERSITY OF LOUISVILLE RESEARCH FOUNDATION, INC.
    • RATAJCZAK, Mariusz ZRATAJCZAK, JaninaKUCIA, MagdalenaMILLER, Donald
    • C12N5/0735A61K35/12
    • Methods for ex vivo expansion of very small embryonic like stem cells in the absence of feeder cells are provided. In some embodiments the methods include providing a plurality of VSELs; and growing the VSELs in a culture medium that includes a histone deacetylase inhibitor, luteinizing hormone, follicle-stimulating hormone, and optionally transforming growth factor beta in an amount that is sufficient to overcome quiescence of the VSELs. Also provided are feeder cell-free cell cultures, ex vivo expanded VSELs, pharmaceutical compositions that include the disclosed ex vivo expanded VSELs, methods for overcoming quiescence in VSELs, methods for re-establishing imprinting in VSELs, method for treating injuries to tissues in subjects, methods for repopulating cell types in subjects, methods for bone marrow transplantation, methods for treating radiation exposure in subjects, and methods that relate to regenerative medicine.
    • 提供了在不存在饲养细胞的情况下体外扩增非常小的胚胎样干细胞的方法。 在一些实施例中,该方法包括提供多个VSEL; 以及在包含组蛋白脱乙酰酶抑制剂,黄体生成素,促卵泡激素和任选转化生长因子β的培养基中生长VSEL,其量足以克服VSEL的静止。 还提供了无饲养细胞的细胞培养物,离体扩增的VSEL,包括公开的离体扩增VSEL的药物组合物,用于克服VSEL中的静止的方法,用于在VSEL中重建印记的方法,用于治疗受试者组织的损伤的方法 ,用于在受试者中重建细胞类型的方法,用于骨髓移植的方法,用于治疗受试者中的辐射暴露的方法以及涉及再生医学的方法。