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    • 3. 发明申请
    • METHODS AND RELATED COMPOSITIONS FOR THE TREATMENT OF CANCER
    • 用于治疗癌症的方法和相关组合物
    • WO2009148623A3
    • 2010-03-25
    • PCT/US2009003438
    • 2009-06-05
    • STC UNMTHOMPSON TODD AMACKENZIE DEBRAOPREA TUDOR ISKLAR LARRY AEDWARDS BRUCE SHAYNES MARK
    • THOMPSON TODD AMACKENZIE DEBRAOPREA TUDOR ISKLAR LARRY AEDWARDS BRUCE SHAYNES MARK
    • A61K31/445A61K31/165A61P35/00
    • A61K31/437A61K31/135A61K31/165A61K31/445A61K45/06A61N5/10
    • A method of treatment and/or prevention of cancer comprises administering agents which cause increased intracellular granularity in cancer cells, at least in an amount sufficient to inhibit proliferation of such cells and preferably in an amount sufficient to lead to cancer cell death. The method is particularly directed to refractory cancer, particularly hormone refractory prostate cancer. The agents identified cause increased intracellular granularity in the cancer cells, and also convert adherent cancer cells to non-adherent cancer cells, leading to cancer cell death. Using the present invention, cancer cells undergo increased intracellular granularity at relatively low agent concentrations, while also inhibiting cell proliferation. Increased concentrations lead to conversion of adherent cancer cells to non-adherent cancer cells, then to cell death. While the exact mechanism of cancer cell degradation and death is not completely understood, the treated cancer cells, including refractory prostate cancer cells, give indications of cell death through an autophagic mechanism. Pharmaceutical compositions related to the presently disclosed methods are also disclosed.
    • 治疗和/或预防癌症的方法包括在癌细胞中引起增加的细胞内颗粒度的给药剂,至少足以抑制这种细胞增殖的量,优选以足以导致癌细胞死亡的量。 该方法特别涉及难治性癌症,特别是激素难治性前列腺癌。 所鉴定的试剂导致癌细胞中细胞内的粒度增加,并将粘附的癌细胞转化为非粘附的癌细胞,导致癌细胞死亡。 使用本发明,癌细胞在相对低的药物浓度下经历增加的细胞内粒度,同时也抑制细胞增殖。 增加的浓度导致粘附的癌细胞转化为非粘附的癌细胞,然后转移到细胞死亡。 虽然癌细胞降解和死亡的确切机制尚未完全了解,但治疗的癌细胞(包括难治性前列腺癌细胞)通过自噬机制给予细胞死亡的指示。 还公开了与目前公开的方法相关的药物组合物。