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    • 8. 发明授权
    • Single chain recombinant T cell receptors
    • 单链重组T细胞受体
    • US07569664B2
    • 2009-08-04
    • US10530035
    • 2003-10-03
    • Bent Karsten JakobsenMeir Glick
    • Bent Karsten JakobsenMeir Glick
    • C07K14/00C07K17/00
    • C07K14/7051A61K38/00C07K2319/00G01N2500/02
    • A single chain T cell receptor (scTCR) comprising an a segment constituted by a TCR α chain variable region sequence fused to the N terminus of a TCR α chain constant region extracellular sequence, a β segment constituted by a TCR β chain variable region fused to the N terminus of a TCR β chain constant region extracellular sequence, and a linker sequence linking the C terminus of the α segment to the N terminus of the β segment, or vice versa, the constant region extracellular sequences of the α and β segments being linked by a disulfide bond, the length of the linker sequence and the position of the disulfide bond being such that the variable region sequences of the α and β segments are mutually orientated substantially as in native αβ T cell receptors. Complexes of two or more such scTCRs, and use of the scTCRs in therapy and in various screening applications are also disclosed.
    • 包含由TCRα链恒定区细胞外序列的N末端融合的TCRα链可变区序列构成的区段的单链T细胞受体(scTCR),由TCRβ链可变区融合的β区段 TCRβ链恒定区细胞外序列的N末端以及将α区段的C末端连接到β区段的N末端的接头序列,反之亦然,α和β区段的恒定区细胞外序列为 通过二硫键连接,接头序列的长度和二硫键的位置使得α和β片段的可变区序列基本上如天然字母T细胞受体那样相互取向。 还公开了两种或更多种这种scTCR的复合物,以及在治疗和各种筛选应用中使用scTCR。