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Nature Medicine:科学家找到难治癌症的致命弱点

2017-03-21 medicalxpress/Heather_z727 medicalxpress/Heathe

科学家发现了使癌细胞对化疗产生耐药和抵抗性的两种信号蛋白,通过阻挡这些信号蛋白可以成功消除小鼠白血病。报告结果刊登在《自然医学》上,辛辛那提儿童医院医学中心的研究人员表明, 阻断信号蛋白 c-Fos 和 Dusp1 联合治疗可能治愈多种由激酶驱使, 难治性白血病和实体瘤癌症。其中包括急性髓系白血病 (AML),肺癌,乳腺癌和慢性粒细胞白血病 (CML)。研究人员表示:“我们认为, 在未来五



科学家发现了使癌细胞对化疗产生耐药和抵抗性的两种信号蛋白,通过阻挡这些信号蛋白可以成功消除小鼠白血病

报告结果刊登在《自然医学》上,辛辛那提儿童医院医学中心的研究人员表明, 阻断信号蛋白 c-Fos 和 Dusp1 联合治疗可能治愈多种由激酶驱使, 难治性白血病和实体瘤癌症。其中包括急性髓系白血病 (AML),肺癌乳腺癌和慢性粒细胞白血病 (CML)。

研究人员表示:“我们认为, 在未来五年内我们的数据将改变人们对于癌症发展和针对性治疗的思考方式,这项研究确定了激酶驱使癌症的潜在弱点,我们提出的是治愈,不是治疗。”

识别 c-Fos 和 Dusp1 之后,研究人员采用了组合治疗的方法。治疗组合包括: 1. 个人疗法与酪氨酸激酶抑制剂, 伊马替尼;2. 单一的抑制剂治疗 c-Fos Dusp1;3. 伊马替尼治疗两种分子抑制剂 c-Fos Dusp1 结合治疗。研究结果显示,经过一个月的治疗,采用伊马替尼治疗两种分子抑制剂相结合的方式治愈了 90% 的老鼠, 而且没有残留病细胞的迹象。除此之外,研究人员还发现使用单一的抑制剂也可以根除小鼠体内的疾病。

临床试验之前,研究人员还需要反复的验证,他们会继续跟踪测试 c-Fos 和 Dusp1 对激酶驱使的各类癌症的影响。

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    2017-06-10 kalseyzl
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    2017-05-11 yinhl1990
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    2017-11-14 jeanqiuqiu
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    2017-12-15 liye789132251
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