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    • 63. 发明授权
    • I-CreI derived single-chain meganuclease and uses thereof
    • I-CreI衍生的单链大范围核酸酶及其用途
    • US08927247B2
    • 2015-01-06
    • US12864998
    • 2009-02-02
    • Sylvestre Grizot
    • Sylvestre Grizot
    • C12N9/16C07K14/00C12N9/22
    • C12N9/22C07K2319/00
    • A new I-CreI derived single-chain meganuclease comprising two domains, each domain comprising a portion of a parent I-CreI monomer which extends at least from the beginning of the first alpha helix to the end of the C-terminal loop and said two domains being joined by a peptidic linker which allows them to fold as a I-CreI dimer that is able to bind and cleave a chimeric DNA target comprising one different half of each parent homodimeric I-CreI meganuclease target sequence. Use of said I-CreI derived single-chain meganuclease for genetic engineering, genome therapy and antiviral therapy.
    • 一种新的I-CreI衍生的单链大范围核酸酶包含两个结构域,每个结构域包含一部分母本I-CreI单体,其至少从第一个α螺旋的开始延伸到C末端环的末端, 结构域通过肽接头连接,其允许它们作为I-CreI二聚体折叠,其能够结合和切割包含每个亲代二聚体I-CreI大范围核酸酶靶序列的一个不同一半的嵌合DNA靶标。 使用所述I-CreI衍生的单链大范围核酸酶进行遗传工程,基因组治疗和抗病毒治疗。
    • 66. 发明授权
    • Population of multipotent cardiac precursor cells derived from human blastocysts derived stem cells
    • 源自人囊胚来源的干细胞的多能心脏前体细胞群体
    • US08802431B2
    • 2014-08-12
    • US12308767
    • 2007-07-13
    • Peter SartipyKarolina ÅkessonCaroline Améen
    • Peter SartipyKarolina ÅkessonCaroline Améen
    • C12N5/071C12N5/00C12N5/02
    • C12N5/0657C12N2500/44C12N2506/02C12N2533/54
    • A novel population of multipotent cardiac precursor (MCP) cells derived from human blastocysts derived stem cells is disclosed, methods for the preparation thereof and use of the cells for in vitro testing. Basement cells derived from hBS cells are also disclosed and method for the preparation of MCP cells from basement cells. The MCP cells have the following characteristics i) at least 1% of the cells exhibit no antigen expression of one or more markers for undifferentiated cell, the marker being selected from the group consisting of SSEA-3, SSEA-4, TRA-1-60, TRA-1-81 and Oct-4, ii) at least 1% of the cells exhibit no protein expression of one or more of a neural marker including nestin or GFAP iii) at least 1% of the cells exhibit protein and/or gene expression of one or more of a mesodermal marker including brachyury, vimentin or desmin iv) at least 1% of the cells exhibit protein and/or gene expression of Flk-1 (KDR). Furthermore, the MCP cells have a characteristic morphology. They grow as clusters of small, round and phase-bright cells; individual cells are 5-20 μm in diameter and each cluster is composed of 2-500 cells. They form clusters of round or elongated shape, that appear as loosely adherent cell clumps that as illustrated in FIG. 2 panel a, b and c. Furthermore, they have a relatively high nucleus-to-cytoplasma ratio, e.g. 1:2-1:64 of the total volume of the cell and/or appear as balloons on a string, as illustrated in FIG. 18, schematic sketch. Moreover, the MCP cells are non-contracting.
    • 公开了衍生自人囊胚来源的干细胞的多能心脏前体(MCP)细胞的新型群体,其制备方法和细胞用于体外测试。 还公开了源自hBS细胞的基底细胞以及从基底细胞制备MCP细胞的方法。 MCP细胞具有以下特征:i)至少1%的细胞对未分化细胞表现出一种或多种标志物的抗原表达,所述标记选自SSEA-3,SSEA-4,TRA-1- 60,TRA-1-81和Oct-4,ii)至少1%的细胞不显示包括巢蛋白或GFAP的神经标记中的一种​​或多种的蛋白质表达(iii)至少1%的细胞表现出蛋白质和/ 或一个或多个中胚层标志物的基因表达,包括brachyury,波形蛋白或结蛋白iv)至少1%的细胞表现出Flk-1(KDR)的蛋白质和/或基因表达。 此外,MCP电池具有特征形态。 它们生长成小,圆和相亮细胞的簇; 单个细胞的直径为5-20μm,每个簇由2-500个细胞组成。 它们形成圆形或细长形状的簇,其呈现为松散贴附的细胞团,如图1所示。 2面板a,b和c。 此外,它们具有相对较高的细胞核 - 细胞质比例,例如 1:2-1:64和/或在气球上显示为气球,如图1所示。 18,原理图草图。 此外,MCP细胞是非收缩的。