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Multiplexed immunoassay approach to characterize antidrug antibody like specific reactivity

机译:复用的免疫测定方法表征抗皱抗体等特定反应性

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Aim: Characterization of antidrug antibody (ADA)-like reactivity has emerged as critical element of bio-analytical design and assessment of compound immunogenicity risk. Materials & methods: Multiplex immunoassay was applied to detect and characterize ADA like reactivity using Photonic Ring Immunoassay platform (Genalyte). Specific binding to human IgE or human recombinant IL21-receptor-Fc fusion using exogenous reagents as surrogates for drug-specific reactivity was investigated. Results: Multiplexed assay format allowed identification of spiked antihuman IgE reactivity as murine IgG1 and endogenous antihuman recombinant IL21-receptor-Fc reactivity in rheumatoid arthritis sera as antihuman Fc-specific binding. Conclusion: The ability of a multiplex immunoassay platform to identify isotype and domain specificity of antidrug immunoglobulins was shown to be effective and should be considered when screening and characterizing pre- and post-dose ADA reactivity.
机译:目的:抗皱抗体(ADA)的表征是生物分析设计的关键因素和复合免疫原性风险的评估。 材料和方法:使用光子环免疫测定平台(Genalyte)施用多重免疫测定以检测和表征ada等反应性。 研究了使用外源试剂作为用于药物特异性反应性的外源试剂的人IgE或人重组IL21-受体-FC融合的特异性结合。 结果:多路复用测定格式允许鉴定尖刺抗人IgE反应性,作为鼠IgG1和内源性抗人民重组IL21-受体-FC反应性为类风湿性关节炎血清,作为抗人均FC特异性结合。 结论:多重免疫测定平台鉴定抗真菌免疫球蛋白的同种型和结构域特异性的能力是有效的,应当在筛选和表征前后ADA反应性时考虑。

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