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    • 3. 发明申请
    • SCREENING ASSAY FOR THE IDENTIFICATION OF AGONISTS/ANTAGONISTS OF ABSCISIC ACID
    • 用于鉴定抗体的激素/拮抗剂的筛选测定
    • WO2010015646A1
    • 2010-02-11
    • PCT/EP2009/060136
    • 2009-08-05
    • ZOCCHI, ElenaDE FLORA, AntonioSTURLA, LauraFRESIA, ChiaraGUIDA, LucreziaBRUZZONE, SantinaSCARFI, SoniaFRUSCIONE, FlorianaMILLO, EnricoMAGNONE, MirkoBASILE, Giovanna
    • ZOCCHI, ElenaDE FLORA, AntonioSTURLA, LauraFRESIA, ChiaraGUIDA, LucreziaBRUZZONE, SantinaSCARFI, SoniaFRUSCIONE, FlorianaMILLO, EnricoMAGNONE, MirkoBASILE, Giovanna
    • G01N33/50
    • G01N33/6863G01N2500/04G01N2500/10
    • The present invention relates to a screening assay for the identification of compounds that act as agonists or antagonists of Abscisic acid (ABA) in mammalian cells comprising the step of contacting a test compound with a LANCL-1 and/or LANCL-2 protein. According to a first embodiment of the invention, the presence of an agonist/antagonist activity can be assessed by measuring the binding of said compound to said LANCL-1 and/or LANCL-2 protein. According to a second embodiment of the invention, said LANCL-1 and/or LANCL-2 protein is expressed on the surface of mammalian cells and the presence of an agonist/antagonist activity can be assessed by measuring the ability of the test compound to activate/inhibit one or more second messengers of the signalling pathway of ABA. According to a third embodiment of the invention, said LANCL-1 and/or LANCL-2 protein is expressed on the surface of mammalian cells and the presence of an agonist/antagonist activity can be assessed by measuring the ability of said test compound to activate/inhibit a functional response to said test compound. The invention also relates to cell lines suitable to be used in the screening assay of the invention and to agonist and antagonist compounds identified by means of such an assay.
    • 本发明涉及用于鉴定在哺乳动物细胞中作为脱落酸(ABA)的激动剂或拮抗剂的化合物的筛选测定法,包括使测试化合物与LANCL-1和/或LANCL-2蛋白质接触的步骤。 根据本发明的第一个实施方案,可通过测量所述化合物与所述LANCL-1和/或LANCL-2蛋白的结合来评估激动剂/拮抗剂活性的存在。 根据本发明的第二实施方案,所述LANCL-1和/或LANCL-2蛋白在哺乳动物细胞的表面上表达,并且激动剂/拮抗剂活性的存在可以通过测定测试化合物激活的能力 /抑制ABA信号通路的一个或多个第二信使。 根据本发明的第三实施方案,所述LANCL-1和/或LANCL-2蛋白在哺乳动物细胞的表面上表达,并且激动剂/拮抗剂活性的存在可以通过测量所述测试化合物激活的能力来评估 /抑制对所述测试化合物的功能反应。 本发明还涉及适合用于本发明筛选测定的细胞系以及通过这种测定鉴定的激动剂和拮抗剂化合物。