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    • 7. 发明申请
    • REDIRECTED, GENETICALLY-ENGINEERED T REGULATORY CELLS AND THEIR USE IN SUPPRESSION OF AUTOIMMUNE AND INFLAMMATORY DISEASE
    • 重定向,遗传工程化的T细胞及其在抑制自身免疫和炎症疾病中的应用
    • WO2008095141A2
    • 2008-08-07
    • PCT/US2008/052724
    • 2008-01-31
    • YEDA RESEARCH AND DEVELOPMENT CO. LTD.GERAGHTY, ErinESHHAR, ZeligELINAV, Eran
    • ESHHAR, ZeligELINAV, Eran
    • C12N5/00
    • 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细胞被赋予对所选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,细胞外识别区域显示在细胞表面,跨膜区和胞内信号传导区。 细胞外识别区域对于所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所选择的靶抗原或配体结合时,其组合触发重定向的Treg细胞的激活以引起T细胞介导的免疫的抑制。 这种重定向的Treg细胞可以用于抑制T效应细胞的不期望的活性,从而介导免疫或炎症反应。 它们特别可用于治疗T效应细胞介导的疾病,例如炎性肠病,移植排斥和GVH疾病。