Oncogene:乳腺癌和肺癌的靶向抑制剂联合可显著克服肿瘤耐药性

2019-07-12 不详 MedSci原创

Oncogene最新发表的一项研究表明,当乳腺癌靶向抑制剂palbociclib与肺癌靶向抑制剂克唑替尼联合使用时,抗癌效果显着高于单独使用的药物。

Oncogene最新发表的一项研究表明,当乳腺癌靶向抑制剂palbociclib与肺癌靶向抑制剂克唑替尼联合使用时,抗癌效果显着高于单独使用的药物。

Palbociclib是用于治疗激素受体阳性的乳腺癌药物,通过阻断促进肿瘤细胞分裂和癌症进展的两种蛋白CDK4和CDK6的功能发挥疗效。然而,通过激活CDK2蛋白,癌症可以对palbociclib产生抗性,CDK2能够在缺乏CDK4 / 6的情况下驱动细胞分裂。

在这项新研究中,研究人员发现,CDK2可以通过关键分子MET和FAK的细胞控制途径发出信号来补偿癌细胞中CDK4 / 6的抑制。

基于这一发现,研究人员发现将CDK4 / 6抑制剂如palbociclib与阻断MET活性的克唑替尼联合使用,比任何一种药物对癌细胞的生长抑制都更有效。

癌症研究所首席执行官,研究联合负责人Paul Workman解释说,"癌症适应、进化和抗药性是我们在制备更有效的疾病药物中面临的最大挑战。在这项研究中,我们了解到一个重要的乳腺癌药物的耐药性,展示了将两种靶向药物联合用于乳腺癌和肺癌的潜力。"

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    2019-09-06 cy0324
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    2020-01-29 jklm09
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    2019-07-14 zsyan
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    2019-07-13 phoebeyan520

    学习了

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