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    • 9. 发明申请
    • SCREENING FOR TARGET-SPECIFIC AFFINITY BINDERS
    • 筛选目标特异性亲属关系
    • WO2015110474A1
    • 2015-07-30
    • PCT/EP2015/051146
    • 2015-01-21
    • KLOEHN, Peter Christian
    • KLOEHN, Peter Christian
    • G01N33/50C07K16/00C12N15/113
    • G01N33/6854C07K16/00C07K16/1063C07K16/18C07K2317/30C07K2317/33C07K2317/92C12N15/113C12N2310/10C12N2310/14C12N2310/20C12N2320/10G01N33/502G01N2500/10
    • The present invention is related to a method for determining the specificity of one or more antibodies, or one or more alternative affinity binders, for a target antigen. Said method comprises the following steps: (i) analyzing binding of the antibody, or the alternative affinity binder, to a target antigen expressed by an antigen-expressing cell; (ii) analyzing binding of the antibody, or the alternative affinity binder, to a target antigen expressed by an equivalent antigen-expressing cell, in which cell expression of the target antigen has been silenced and /or the gene of the target antigen has been deleted; and (iii) comparing the binding reactions of the antibody, or the alternative affinity binder, in steps (i) and (ii) The method further features that a reduction or loss of binding in step (ii), compared to step (i), indicates that the antibody, or the alternative affinity binder, has affinity and/or specificity for the target antigen.
    • 本发明涉及用于确定靶抗原的一种或多种抗体或一种或多种替代性亲和性结合物的特异性的方法。 所述方法包括以下步骤:(i)分析抗体或替代亲和性结合剂与由抗原表达细胞表达的靶抗原的结合; (ii)分析抗体或替代的亲和性结合剂与目标抗原的细胞表达已经沉默和/或靶抗原的基因已经被表达的等同抗原表达细胞表达的靶抗原的结合 删除; 与步骤(i)相比,该方法的特征还在于步骤(ii)中的结合减少或丧失,所述方法还包括:(iii)比较步骤(i)和(ii)中抗体或替代亲和性结合剂的结合反应。 表明抗体或替代亲和性粘合剂对靶抗原具有亲和性和/或特异性。