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    • 2. 发明申请
    • MESENCHYMAL STEM CELLS (MSCS) ISOLATED FROM MOBILIZED PERIPHERAL BLOOD
    • 从移动的外周血中分离出的MESENCHYMAL STEM CELLS(MSCS)
    • WO2011069121A1
    • 2011-06-09
    • PCT/US2010/058980
    • 2010-12-03
    • NEOSTEM, INC.MARASCO, WayneMEDICETTY, SatishJIANG, Yajuan
    • MARASCO, WayneMEDICETTY, SatishJIANG, Yajuan
    • C12N5/0775A61K35/14
    • A61K35/28A61K38/193A61K38/20C12N5/0665
    • The present invention generally relates to methods of obtaining peripheral blood-derived MSCs (PB- derived MSCs) and bone-marrow derived MSC (BM-derived MSCs) from a peripheral blood sample obtained from a human subject. In particular, the present invention relates to the surprising discovery that the mobilization of MSC into the peripheral blood is temporally regulated and that the number of circulating MSCs in human peripheral blood peaks after at least 2 days post administration of a mobilizing agent, such as G-CSF or GM-CSF to a human subject. Accordingly, in some embodiments, the present invention relates to methods of obtaining PB-derived and BM-derived MSC from peripheral blood from a human subject in vivo and ex vivo using mobilizing agents, such as G-CSF or GM-CSF, where administration of G-CSF and/or GM-CSF are optimized to mobilize MSCs and enrich the number of MSCs in the peripheral blood as apposed to other stem cell populations, such as HSCs.
    • 本发明一般涉及从人受试者获得的外周血样品获得外周血来源的MSC(PB-衍生的MSC)和骨髓来源的MSC(BM-衍生的MSC)的方法。 特别地,本发明涉及令​​人惊奇的发现,即临时调节MSC进入外周血中,并且在外周血中循环MSC的数量在给予移动剂至少2天后达到峰值,例如G -CSF或GM-CSF。 因此,在一些实施方案中,本发明涉及从体外来自人受试者的外周血和离体使用动员剂例如G-CSF或GM-CSF获得PB-衍生和BM衍生的MSC的方法,其中给药 的G-CSF和/或GM-CSF被优化以动员MSC并富集外周血中MSC的数量,如其他干细胞群体,如HSC。