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    • 21. 发明申请
    • ASSAYS FOR AGENTS WITH SELECTIVE CYTOTOXICTY TO HDAC RESISTANT CELL LINES
    • 具有选择性细胞毒性的药物对HDAC耐药细胞系的测定
    • WO2006082448A1
    • 2006-08-10
    • PCT/GB2006/000425
    • 2006-02-06
    • TOPOTARGET UK LIMITEDNIELSEN, TorstenEDWARDS, NicholasSEHESTED, Maxwell
    • NIELSEN, TorstenEDWARDS, NicholasSEHESTED, Maxwell
    • G01N33/50
    • G01N33/5011
    • This invention relates to a method of identifying and/or obtaining an agent which is selectively cytotoxic to histone deacetylase inhibitor (HDACi) resistant cells, said method comprising the steps of: a) incubating HDACi resistant cells and HDACi sensitive cells with a test agent, b) determining the cytotoxicity of the test agent for said HDACi resistant cells and the cytotoxicity of the test agent for said HDACi sensitive cells, wherein an increase in cytoxicity of the test agent for said HDACi resistant cells relative to said HDACi sensitive cells is indicative that the test agent is an agent which is selectively cytotoxic to HDACi resistant cells. The invention is based on the recognition that cells which are resistant to inhibitors of histone deacetylases (HDACis) such as PXD101 are hypersensitized to certain anti-cancer agents.
    • 本发明涉及鉴定和/或获得对组蛋白脱乙酰酶抑制剂(HDACi)抗性细胞选择性细胞毒性的试剂的方法,所述方法包括以下步骤:a)用测试试剂培养HDACi抗性细胞和HDACi敏感细胞, b)确定所述测试剂对所述HDACi抗性细胞的细胞毒性和所述测试剂对所述HDACi敏感细胞的细胞毒性,其中所述HDACi抗性细胞相对于所述HDACi敏感细胞的测试剂的细胞毒性的增加表明 测试剂是对HDACi抗性细胞选择性细胞毒性的药剂。 本发明是基于认识到对组蛋白脱乙酰酶(HDACis)如PXD101的抑制剂具有抗性的细胞对某些抗癌剂过敏。