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    • 2. 发明申请
    • ANDROGEN SUPPRESSION, PROSTATE-SPECIFIC MEMBRANE ANTIGEN AND THE CONCEPT OF CONDITIONALLY ENHANCED VULNERABILITY
    • 安定剂抑制,前列腺特异性抗原和有条件增强的易感性的概念
    • WO2014055097A1
    • 2014-04-10
    • PCT/US2013/000069
    • 2013-03-14
    • CORNELL UNIVERSITY
    • BANDER, Neil, H.
    • C07K16/30
    • C07K16/40A61K49/0008A61K51/1072A61K2039/505C07K16/3069C12Q1/6886G01N33/57434G01N33/57492
    • Anti-androgen therapies represent the cornerstone of prostate cancer (PC) treatment. Yet all PC patients ultimately fail efforts to rein in the androgen receptor (AR). This invention is based on the discovery that prostate-specific membrane antigen (PSMA), a highly PC-specific and clinically validated cell surface target, is AR-suppressed and up-regulated in PC as a result of hormonal manipulation. This up-regulation occurs in an unexpected timeframe and it occurs even in the castrate-resistant setting. As a result, hormonal therapy creates a state of conditionally enhanced vulnerability of PC to PSMA-targeted anti-cancer/cytotoxic agents that can be exploited by leveraging anti-AR therapy by the addition of PSMA-targeted agents. We demonstrate this conditionally enhanced vulnerability in a castrate-resistant animal model. The state of conditionally enhanced vulnerability may be relevant for other cancer targets and efforts to screen for them may improve other cancer therapies.
    • 抗雄激素疗法是前列腺癌(PC)治疗的基石。 然而,所有PC患者最终都不能努力控制雄激素受体(AR)。 本发明基于以下发现:由于激素操作,PC中的前列腺特异性膜抗原(PSMA)是高度PC特异性和临床验证的细胞表面靶,其被AR抑制和上调。 这种上调发生在意想不到的时间内,即使在阉割的环境中也会发生。 因此,荷尔蒙治疗产生有条件地增强PC对PSMA靶向抗癌/细胞毒性剂的脆弱性的状态,可以通过添加PSMA靶向药物来利用抗AR治疗来开发。 我们在阉割动物模型中证明了这种有条件地增强的脆弱性。 有条件增强脆弱性的状态可能与其他癌症靶点相关,并且筛选它们的努力可能会改善其他癌症治疗。