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Cancer Res:癌症药物筛选新策略

2018-11-05 小通 生物通

研究人员设计了一种筛选潜在药物的新方法,筛选那些能通过两种途径干扰肿瘤细胞的药物。他们的研究试图建立在现有方法的基础上,该方法能鉴定靶向癌细胞中一种重要蛋白质的药物,即端粒酶的药物。

一种鉴定潜在癌症药物的新方法可以简化治疗。

研究人员设计了一种筛选潜在药物的新方法,筛选那些能通过两种途径干扰肿瘤细胞的药物。他们的研究试图建立在现有方法的基础上,该方法能鉴定靶向癌细胞中一种重要蛋白质的药物,即端粒酶的药物。

科学家们希望找到一种药物,这种药物不仅可以抑制这种蛋白质,而且在癌细胞分裂其染色体以形成新细胞时也会引起错误。这两个方面的攻击可以防止癌细胞生长,从而杀死肿瘤。

来自爱丁堡大学、巴黎居里研究所、美国国立癌症研究所和日本卡萨萨DNA研究所的研究人员,使用人工荧光标记的人工人类染色体测试药物。这使得团队能够容易地检测药物治疗导致染色体丢失的时间和频率。

以这种方式鉴定的药物随后在不同类型的癌细胞中进行测试,以确切地了解它们如何能够以高速率破坏染色体分裂。



研究人员希望这些新发现的药物能促进更有效的治疗方法发展。这项研究发表在Cancer Research上,得到了惠康、美国国立卫生研究院和日本政府的支持。

参与这项研究的爱丁堡大学生物科学学院的William C Earnshaw教授说:“我们的方法能够选择药物破坏癌细胞的正常分裂。我们的希望是,这将导致更有效的肿瘤靶向治疗方法的发展。”

参与这项研究的爱丁堡大学生物科学学院的Mar Carmena博士说:“我们希望在获得新的更有效的药物来靶向一系列的癌症方面,我们的双管齐下的方法是有用的。”

原始出处:Lee HS, Carmena M, Liskovykh M, et al. Systematic Analysis of Compounds Specifically Targeting Telomeres and Telomerase for Clinical Implications in Cancer Therapy. Cancer Res. 2018 Nov 1;78(21):6282-6296. 

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华人科学家顾臻教授长期致力于智能递药体系的创新研发,已先后开发出包括“智能胰岛素贴片”、“癌症免疫疗法贴片”、“减肥贴片”在内的多项新技术!近日,其团队再发新成果,首次提出了一种“细胞联合递药”技术!动物试验表明,该技术可将抗癌药PD-1抗体成功运送至骨髓处,提升药效,并显着抑制病情复发。

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