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    • 2. 发明授权
    • Bifunctional protein, preparation and use
    • 双功能蛋白,制备和使用
    • US06984382B1
    • 2006-01-10
    • US09596774
    • 2000-06-19
    • Bernd GronerDirk Moritz
    • Bernd GronerDirk Moritz
    • A61K35/12A61K35/14C12N5/10
    • C07K14/7051A61K38/00C07K14/70517C07K16/32C07K19/00C07K2319/00
    • A bifunctional protein comprising: 1) a single-chain antibody directed against a suitable antigen on a tumour cell, 2) a hinge region comprising from about 40 to about 200 amino acids joined to the VL domain of the single chain antibody, and 3) a functional zeta (ζ) chain from the T-cell antigen receptor (TCR) joined to the hinge region, wherein the hinge region is an immunoglobin-like hinge region which is joined to the C-terminus of the VL domain of the single-chain antibody. The functional zeta (ζ) chain comprises the transmembrane and the cytoplasmic domain. The bifunctional protein can be expressed using a cytotoxic lymphocyte (CTL) expressing DNA encoding it.
    • 一种双功能蛋白质,包括:1)针对肿瘤细胞上的合适抗原的单链抗体,2)包含约40至约200个氨基酸的铰链区,其连接到V L 所述单链抗体和3)来自所述T细胞抗原受体(TCR)的功能性ζ(ζ)链连接到所述铰链区,其中所述铰链区是免疫球蛋白样铰链区,其连接到所述C末端 的单链抗体的V L结构域。 功能ζ(ζ)链包含跨膜和胞质结构域。 可以使用表达编码它的DNA的细胞毒性淋巴细胞(CTL)来表达双功能蛋白。