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    • 21. 发明公开
    • POLYNUCLEOTIDE APTAMER-BASED CROSS -LINKED MATERIALS AND USES THEREOF
    • 基于多核苷酸APTAMER的交叉连接材料及其用途
    • EP2391380A2
    • 2011-12-07
    • EP10736343.4
    • 2010-01-27
    • Smartcells, Inc.
    • ZION, Todd, C.LANCASTER, Thomas, M.
    • A61K38/28C12P21/08
    • C12N15/111A61K47/549C12N2310/16C12N2310/51
    • In one aspect, the disclosure provides cross-linked materials that include multivalent polynucleotide aptamers that bind a target molecule; and conjugates that include two or more separate affinity ligands bound to a conjugate framework, wherein the two or more affinity ligands compete with the target molecule for binding with the aptamers and wherein conjugates are cross-linked within the material as a result of non-covalent interactions between aptamers and affinity ligands on different conjugates. These materials are designed to release amounts of conjugate in response to desired concentrations of the target molecule. Depending on the end application, in various embodiments, the conjugates may also include a drug and/or a detectable label. The drug, detectable label and affinity ligands may be covalently or non-covalently bound to the conjugate framework.
    • 在一个方面,本公开提供交联材料,其包括结合靶分子的多价多核苷酸适体; 以及包含与偶联物框架结合的两个或更多个分开的亲和配体的偶联物,其中所述两个或更多个亲和配体与所述靶分子竞争与所述适体结合,并且其中偶联物由于非共价结合而在所述物质内交联 适体和不同缀合物上的亲和配体之间的相互作用。 这些材料被设计成响应目标分子的所需浓度而释放缀合物的量。 取决于最终应用,在各种实施方案中,缀合物还可以包含药物和/或可检测标记。 药物,可检测标记和亲和配体可以共价或非共价结合到缀合物框架上。