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    • 9. 发明授权
    • TRPM-2 antisense therapy
    • TRPM-2反义治疗
    • US08173615B2
    • 2012-05-08
    • US12753995
    • 2010-04-05
    • Martin GleavePaul S. RennieHideaki MiyakeColleen Nelson
    • Martin GleavePaul S. RennieHideaki MiyakeColleen Nelson
    • A61K31/70C07H21/04
    • C12N15/1135A61K31/00A61K31/337A61K31/66A61K31/704A61K41/0038A61K45/06A61K48/00C07H21/00C07K14/775C12N15/113C12N2310/315C12N2310/321C12N2310/3341C12N2310/341C12N2310/346A61K2300/00C12N2310/3525
    • It has now been determined that antisense therapy which reduces the expression of TRPM-2 provides therapeutic benefits in the treatment of cancer. In particular, such antisense therapy can be applied in treatment of prostate cancer and renal cell cancer. Addition of antisense TRPM-2 ODN to prostatic tumor cells in vivo is effective for delaying the onset of androgen independence. Thus, prostate cancer can be treated in an individual suffering from prostate cancer by initiating androgen-withdrawal to induce apoptotic cell death of prostatic tumor cells in the individual, and administering to the individual a composition effective to inhibit expression of TRPM-2 by the tumor cells, thereby delaying the progression of prostatic tumor cells to an androgen-independent state in an individual. Combined use of antisense TRPM-2 and taxanes synergistically enhances cytotoxic chemosensitivity of androgen-independent prostate cancer. In addition, it has also been found that antisense TRPM-2 has beneficial effect for other cancer types. Specifically, antisense TRPM-2 ODN enhances chemosensitivity in human Renal cell cancer, a normally chemoresistant disease with no active chemotherapeutic agent having an objective response rate higher than 10%. Radiation sensitivity is also enhanced when cells expressing TRPM-2 are treated with antisense TRPM-2 ODN. Thus, the antisense TRPM-2 ODNs can be used to enhance hormone sensitivity, chemosensitivity and radiation sensitivity of a variety of cancer types in which expression of TRPM-2 has been observed.
    • 现在已经确定减少TRPM-2表达的反义治疗在治疗癌症方面提供了治疗益处。 特别地,这种反义治疗可以应用于前列腺癌和肾细胞癌的治疗。 反义TRPM-2 ODN在体内向前列腺肿瘤细胞的添加对于延缓雄激素独立性的发生是有效的。 因此,前列腺癌可以通过引发雄激素停止以诱导个体中前列腺肿瘤细胞的凋亡性细胞死亡而在患有前列腺癌的个体中治疗,并且向该个体施用有效抑制肿瘤中TRPM-2表达的组合物 细胞,从而将前列腺肿瘤细胞的进展延迟到个体中与雄激素无关的状态。 结合使用反义TRPM-2和紫杉烷类物质协同增强雄激素依赖性前列腺癌的细胞毒性化学敏感性。 此外,还已经发现反义TRPM-2对其他癌症类型具有有益的作用。 具体地,反义TRPM-2 ODN增强了人肾细胞癌的化学敏感性,这是一种没有活性化学治疗剂的客观反应率高于10%的正常化疗耐药性疾病。 当用反义TRPM-2 ODN处理表达TRPM-2的细胞时,放射敏感性也增强。 因此,反义TRPM-2 ODN可用于增强已经观察到TRPM-2表达的各种癌症类型的激素敏感性,化学敏感性和辐射敏感性。