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    • 12. 发明授权
    • Clonal expansion of T cells of unknown specificity and identification of ligand recognized by the clonally expanded T cells
    • 未知特异性T细胞的克隆扩增和克隆扩增的T细胞识别的配体的鉴定
    • US07132243B2
    • 2006-11-07
    • US09962445
    • 2001-09-26
    • Sho MatsushitaToshihiro Nakashima
    • Sho MatsushitaToshihiro Nakashima
    • G01N33/53G01N33/566C12N5/08
    • C12N5/0636C12N2501/23C12N2501/58C12N2503/00G01N33/505
    • A process for clonally expanding T cells of unknown specificity and a process for identifying a peptide ligand recognized by said T cells are provided.A process for clonally expanding T cells of unknown specificity which comprises co-culturing said T cells of unknown specificity with combinatorial randomized peptide library (Xn peptide library wherein n is a number of amino acids) consisted of peptides having a randomized amino acid sequence consisted of amino acid residues selected from nineteen kinds of naturally occurring amino acid other than cysteine, an interleukin, and major histocompatibility complex (MHC) class II antigen-expressing cells with DNA synthesis being suspended, said cells being derived from the individual where said T cells are obtained; and a process for identifying a peptide ligand recognized by the T cell clone of unknown specificity obtained by said process, which comprises determining proliferating activity of said T cell clone with Xn peptide library, in the presence of an interleukin and MHC class II antigen-expressing cells with DNA synthesis being suspended, said cells being derived from the individual where said T cells are obtained, to thereby determine a peptide sequence that can activate proliferation of T cells.
    • 提供了用于克隆扩增未知特异性的T细胞的方法和用于鉴定所述T细胞识别的肽配体的方法。 一种用于克隆扩增未知特异性的T细胞的方法,其包括由具有随机化氨基酸序列的肽组成的组合随机肽文库(Xn肽文库,其中n为多个氨基酸)共同培养所述具有未知特异性的T细胞 选自十九种除了半胱氨酸之外的天然存在的氨基酸,白细胞介素和悬浮有DNA合成的主要组织相容性复合体(MHC)II类抗原表达细胞的氨基酸残基,所述细胞衍生自所述T细胞的个体 获得; 以及用于鉴定由所述方法获得的未知特异性的T细胞克隆识别的肽配体的方法,其包括在存在白介素和MHC II类抗原表达的情况下,用Xn肽文库测定所述T细胞克隆的增殖活性 悬浮有DNA合成的细胞,所述细胞衍生自获得所述T细胞的个体,从而确定可以激活T细胞增殖的肽序列。
    • 16. 发明授权
    • Humanized anti-human α9-integrin antibody
    • 人源化抗人α9整联蛋白抗体
    • US08603476B2
    • 2013-12-10
    • US12812341
    • 2009-01-09
    • Kenji UeharaHirofumi HiguchiToshihiro NakashimaDaisuke IshikawaNobuchika YamamotoHirotada FujitaFumihiko Sakai
    • Kenji UeharaHirofumi HiguchiToshihiro NakashimaDaisuke IshikawaNobuchika YamamotoHirotada FujitaFumihiko Sakai
    • A61K39/395
    • C07K16/2839C07K2317/24C07K2317/565C07K2317/76C07K2317/92C07K2317/94
    • The present invention provides a humanized anti-human α9 integrin antibody having improved activity and/or property as compared to a donor mouse anti-human α9 integrin antibody, namely, a humanized anti-human α9 integrin antibody containing a heavy-chain variable region consisting of the amino acid sequence shown by SEQ ID NO:11 and a light-chain variable region consisting of the amino acid sequence shown by SEQ ID NO:17, a humanized anti-human α9 integrin antibody containing a heavy-chain variable region consisting of the amino acid sequence shown by SEQ ID NO:13 and a light-chain variable region consisting of the amino acid sequence shown by SEQ ID NO:17, a humanized anti-human α9 integrin antibody containing a heavy-chain variable region consisting of the amino acid sequence shown by SEQ ID NO:15 and a light-chain variable region consisting of the amino acid sequence shown by SEQ ID NO:9, and a means for the prophylaxis or treatment of various diseases involving human α9 integrin in the pathogenesis, which uses the antibody.
    • 本发明提供与供体小鼠抗人α9整联蛋白抗体相比具有改善的活性和/或性质的人源化抗人α9整联蛋白抗体,即包含重链可变区的人源化抗人α9整联蛋白抗体,其包含 的SEQ ID NO:11所示的氨基酸序列和由SEQ ID NO:17所示的氨基酸序列组成的轻链可变区,含有重链可变区的人源化抗人α9整联蛋白抗体包含由 由SEQ ID NO:13所示的氨基酸序列和由SEQ ID NO:17所示的氨基酸序列组成的轻链可变区,含有重链可变区的人源化抗人α9整联蛋白抗体 由SEQ ID NO:15所示的氨基酸序列和由SEQ ID NO:9所示的氨基酸序列组成的轻链可变区,以及预防或治疗涉及 人类α9整联蛋白在发病机制中使用抗体。