Oncotarget :三阴性乳腺癌新突破:科学家首次识别全新治疗靶点

2017-11-16 Heather_z727 来宝网

根据一项最新研究显示,研究人员找到了一种对激素治疗无效的致命乳腺癌机制,新的发现有望带来新的疗法和药物的开发。

研究人员在激进乳腺癌细胞中识别出潜在的治疗目标】根据一项最新研究显示,研究人员找到了一种对激素治疗无效的致命乳腺癌机制,新的发现有望带来新的疗法和药物的开发。

乳房癌症细胞包含几种类型的激素受体,雌激素或孕激素,对乳腺癌细胞的生长和功能都有影响。三阴性乳腺癌占据乳腺癌的15%,是一种侵略性很强的癌症,这种类型的乳腺癌是由于缺乏特定的受体蛋白,结合存在的荷尔蒙雌激素和孕激素正常的乳腺细胞。这些受体的缺失使得这些癌症抗激素治疗目标。

尽管治疗方法在不断进步,但是三阴性乳腺癌患者预后不佳,因为癌症更有可能扩散到其他器官。在这项研究中,明尼苏达州梅奥诊所的研究人员更好地理解和描述了这些细胞的分子信号通路,以便找到更好的治疗方法。

研究人员发现,如果细胞治疗提出了第二个雌激素受体ERβ,那么缺少TNB细胞的生长雌激素受体α(ER)在实验室中可以显着降低雌激素或雌激素的化学物质。他们还测试了这种方法在三阴性乳腺癌小鼠模型中的作用,他们发现雌激素能阻止肿瘤生长,在某些情况下甚至造成肿瘤回归。

研究人员表示:“我们的数据表明,ERβ在三阴性乳腺癌的肿瘤抑制作用在一定程度上控制的细胞周期调节蛋白,这表明针对这些蛋白质可以带来潜在的新疗法。”

原始出处:

Jordan M. Reese et al. ERβ inhibits cyclin dependent kinases 1 and 7 in triple negative breast cancer, Oncotarget (2017). DOI: 10.18632/oncotarget.21787.

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    2018-07-26 zxxiang
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    2018-09-04 仁医06
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    2017-11-18 xlysu

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