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    • 1. 发明申请
    • DETECTING MOLECULAR COMPLEXES
    • 检测分子复合物
    • WO2007021317A1
    • 2007-02-22
    • PCT/US2006/010756
    • 2006-03-24
    • MONOGRAM BIOSCIENCES, INC.MACEVICZ, Stephen
    • MACEVICZ, Stephen
    • A61K39/395
    • G01N33/542C12Q1/25C12Q1/26C12Q1/485G01N33/53G01N33/532G01N33/535G01N33/566G01N33/58G01N33/581G01N33/68G01N33/6845G01N2458/10
    • The invention provides methods and compositions for detecting the presence of, or for measuring amounts of, molecular complexes, particularly complexes comprising two or more proteins, such as receptor complexes of cell surface membranes. In one aspect of the invention, reagent pairs are provided that comprise a cleaving probe that specifically binds to at least one component of a molecular complex and one or more signaling reagents that specifically bind to one or more components of the molecular complex, at least one of which is different from the component to which the cleaving probe is attached. Each signaling reagent comprises a binding compound specific for a component of the molecular complex and a signaling polynucleotide attached thereto by a cleavable linkage. When the reagent pairs are bound to the same molecular complex, the cleaving probe may be induced to generate a reactive species that is capable of cleaving cleavable linkages within an effective proximity, thereby releasing a signaling polynucleotide by which the molecular complex is detected.
    • 本发明提供用于检测分子复合物,特别是包含两种或更多种蛋白质如细胞表面膜的受体复合物的复合物的存在或用于测量量的方法和组合物。 在本发明的一个方面,提供了试剂对,其包含特异性结合分子复合物的至少一种组分的切割探针和特异性结合分子复合物的一种或多种组分的一种或多种信号试剂,至少一种 其与分离探针连接的部件不同。 每种信号传导试剂包含对分子复合物的组分特异的结合化合物和通过可切割连接键与其连接的信号多核苷酸。 当试剂对被结合到相同的分子复合物时,可以诱导裂解探针产生能够在有效接近度内切割可切割键的反应性物质,从而释放检测分子复合物的信号多核苷酸。