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    • 84. 发明公开
    • METHOD FOR PREPARING BONE MARROW CELL AGGREGATE
    • 制备骨髓细胞聚集体的方法
    • EP3252144A1
    • 2017-12-06
    • EP16743116.2
    • 2016-01-14
    • Public University Corporation Yokohama City University
    • KOJIMA, Nobuhiko
    • C12N5/00A61L27/00C12M3/00
    • C12N5/0669A61L27/00C12M3/00C12N5/00C12N2513/00C12N2533/70C12N2533/78C12N2539/00
    • The present invention provides a technique which enables organization of bone marrow cells by a simple method in a short period of time.
      A method for preparing a bone marrow cell aggregate, comprising adding a liquid containing a bone marrow cell population to a medium containing a swellable material and culturing the bone marrow cell population in the presence of the swellable material. A method for reassembling a bone marrow tissue, comprising adding a liquid containing a bone marrow cell population to a medium containing a swellable material and culturing the bone marrow cell population in the presence of the swellable material.
      According to common knowledge in the art, it has been considered difficult to reorganize once disintegrated bone marrow tissue without changing the cell composition (that is, without adding any adherent cell or extracellular matrix which will work as a "connecting material (binder)"). Indeed, it was impossible to aggregate bone marrow cells by conventional methods. As a result of its achievement, the present invention changes such conventional thought and results and provides a major breakthrough technique pertaining to 3D culture of bone marrow cells. It has also been confirmed that culture of a bone marrow-like tissue reassembled by the method of the present could be continued up to day 14 in the MC medium.
    • 本发明提供了一种能够通过简单的方法在短时间内组织骨髓细胞的技术。 一种制备骨髓细胞聚集体的方法,包括将含有骨髓细胞群体的液体加入含有可溶胀材料的培养基中并在可溶胀材料存在下培养骨髓细胞群体。 一种重新组装骨髓组织的方法,包括将含有骨髓细胞群体的液体加入到含有可溶胀材料的培养基中,并在可溶胀材料存在下培养骨髓细胞群体。 根据本领域的常识,已经认为难以在不改变细胞组成的情况下重新组织一次崩解的骨髓组织(即,不添加任何将用作“连接材料(结合剂)”的粘附细胞或细胞外基质) 。 事实上,用传统方法聚集骨髓细胞是不可能的。 作为其成果的结果,本发明改变了这种常规思想和结果,并提供了关于骨髓细胞3D培养的重大突破技术。 还已经证实,通过本发明的方法重新组装的骨髓样组织的培养可以在MC培养基中持续至第14天。