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    • 1. 发明申请
    • REDIRECTED, GENETICALLY-ENGINEERED T REGULATORY CELLS AND THEIR USE IN SUPPRESSION OF AUTOIMMUNE AND INFLAMMATORY DISEASE
    • 重组遗传工程T调节细胞及其在抑制自身免疫和炎症疾病中的应用
    • WO2008095141A3
    • 2008-12-11
    • PCT/US2008052724
    • 2008-01-31
    • YEDA RES & DEVGERAGHTY ERINESHHAR ZELIGELINAV ERAN
    • ESHHAR ZELIGELINAV ERAN
    • A61K39/00C12N5/0783
    • C12N5/0636A61K39/0008A61K39/0011
    • A redirected Treg cell is endowed with specificity toward a selected target antigen or ligand. The cell contains a chimeric receptor polypeptide that is expressed in a single, continuous chain, with an extracellular recognition region displayed on the surface of the cell, a transmembrane region and an intracellular signaling region. The extracellular recognition region is specific for the selected target antigen or ligand. The intracellular signaling region includes a combination of T-cell signaling polypeptide moieties, which combination, upon binding of the extracellular recognition region to the selected target antigen or ligand, triggers activation of the redirected Treg cells to cause suppression of T-cell mediated immunity. Such redirected Treg cells may be used to suppress undesired activity of T effector cells thereby mediating an immune or inflammatory response. They are particularly useful in treating T effector cell-mediated diseases, such as inflammatory bowel disease, transplant rejection and GVH disease.
    • 重定向的Treg细胞赋予针对选择的靶抗原或配体的特异性。 细胞含有在单个连续链中表达的嵌合受体多肽,细胞表面上展示细胞外识别区域,跨膜区域和细胞内信号传导区域。 细胞外识别区域对选择的靶抗原或配体是特异性的。 细胞内信号传导区域包括T细胞信号传导多肽部分的组合,当细胞外识别区域与选择的靶标抗原或配体结合时,该组合引发重定向的Treg细胞的活化,从而抑制T细胞介导的免疫。 这种重定向的Treg细胞可用于抑制T效应细胞的不需要的活性,从而介导免疫或炎症反应。 它们特别适用于治疗T效应细胞介导的疾病,如炎症性肠病,移植排斥和GVH疾病。