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    • 7. 发明授权
    • DNA construct encoding CE7-specific chimeric T cell receptor
    • 编码CE7特异性嵌合T细胞受体的DNA构建体
    • US07446191B2
    • 2008-11-04
    • US12028442
    • 2008-02-08
    • Michael Jensen
    • Michael Jensen
    • C07H21/04C12N15/09A61K39/395C12P21/04C12P21/08C12N7/00C12N5/06C12N5/08
    • C07K14/7051A61K48/00C07H21/04C07K2319/00C07K2319/02C07K2319/03C07K2319/30
    • Genetically engineered, CE7-specific redirected immune cells expressing a cell surface protein having an extracellular domain comprising a receptor which is specific for CE7, an intracellular signaling domain, and a transmembrane domain, and methods of use for such cells for cellular immunotherapy of CE7+ neuroblastoma are disclosed. In one embodiment, the immune cell is a T cell and the cell surface protein is a single chain FvFc: receptor where Fv designates the VH and VL chains of a single chain monoclonal antibody to CE7 linked by peptide, Fc represents a hinge-CH2-CH3 region of a human IgG1, and represents the intracellular signaling domain of the zeta chain of human CD3. DNA constructs encoding a chimeric T-cell receptor and a method of making a redirected T cell expressing a chimeric T cell receptor by electroporation using naked DNA encoding the receptor are also disclosed.
    • 基因工程化的CE7特异性重定向免疫细胞,其表达具有细胞外结构域的细胞表面蛋白,所述胞外结构域包含对CE7特异性的受体,细胞内信号转导结构域和跨膜结构域,以及用于这些细胞用于CE7细胞免疫治疗的方法, 公开了SUP + +神经母细胞瘤。 在一个实施方案中,免疫细胞是T细胞,细胞表面蛋白是单链FvFc: receptor,其中Fv表示V H H和V L, 通过肽连接的对CE7的单链单克隆抗体的“SUB”链,Fc表示人IgG1的铰链C 2 H 2 -C 3 H 3区 表示人CD3的zeta链的细胞内信号结构域。 还公开了编码嵌合T细胞受体的DNA构建体和通过使用编码受体的裸DNA通过电穿孔制备表达嵌合T细胞受体的重定向T细胞的方法。