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    • 4. 发明申请
    • METHOD FOR REDUCTION OF INTERFERENCES IN IMMUNOASSAYS
    • 降低免疫测定中干扰的方法
    • WO2017093271A1
    • 2017-06-08
    • PCT/EP2016/079170
    • 2016-11-30
    • ROCHE DIAGNOSTICS GMBHF. HOFFMANN-LA ROCHE AGROCHE DIAGNOSTICS OPERATIONS, INC.
    • UPMEIER, BarbaraZARNT, ToralfROESSLER, DieterPOLZ, Johannes
    • G01N33/543
    • G01N33/54393G01N33/54306
    • The invention concerns an immunoassay method for detecting an analyte such as an antigen or an antibody in an isolated sample suspected to contain said analyte by incubating said sample with a plurality of binding partners, one of which carries a detectable label, wherein a label-specific binding partner is added that does not carry a label but binds to said detectable label. The method is applicable for a large variety of analytes and has proven particularly useful for analyte antibodies of the IgG and IgM class present in samples due to infections by pathogens. The invention further concerns a reagent kit useful for said method comprising at least two analyte-specific binding partners one of which carries a detectable label and a label- specific binding partner that binds to said detectable label but itself does not carry a detectable label. In addition, the invention covers the use of a label-specific binding partner that does not carry a detectable label in an in vitro diagnostic test for eliminating interferences caused by anti-label antibodies present in a sample.
    • 本发明涉及一种免疫测定方法,用于通过将所述样品与多种结合伴侣一起温育来检测怀疑含有所述分析物的分离样品中的分析物,例如抗原或抗体,其中一种结合伴侣携带 其中添加了不携带标签但与所述可检测标签结合的标签特异性结合配偶体。 该方法适用于各种各样的分析物,并已被证明对由于病原体感染而存在于样品中的IgG和IgM类分析物抗体特别有用。 本发明还涉及用于所述方法的试剂盒,其包含至少两种分析物特异性结合配偶体,其中一种携带可检测标记和与所述可检测标记结合但本身不携带可检测标记的标记特异性结合配偶体。 此外,本发明涵盖使用在体外诊断测试中不携带可检测标记的标记物特异性结合配偶体,以消除样品中存在的抗标记抗体引起的干扰。