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Nat Commun:华人科学家发现阻止乳腺癌转移的潜在药物

2017-01-12 不详 生物谷

  最近一项研究发现,得到美国FDA审批通过的一类药物或可阻止乳腺癌转移。梅奥诊所的研究人员在研究中发现关键药物靶点CDK4/6能够调节一个参与癌症转移的蛋白SNAIL,抑制CDK4/6的药物可以阻止三阴性乳腺癌的转移。相关研究结果发表在国际学术期刊Nature Communications上。 CDK4/6抑制剂曾得到审批用于治疗雌激素阳性乳腺癌,但是否对三阴性乳腺癌有效并没

 


最近一项研究发现,得到美国FDA审批通过的一类药物或可阻止乳腺癌转移。梅奥诊所的研究人员在研究中发现关键药物靶点CDK4/6能够调节一个参与癌症转移的蛋白SNAIL,抑制CDK4/6的药物可以阻止三阴性乳腺癌的转移。相关研究结果发表在国际学术期刊Nature Communications上。

CDK4/6抑制剂曾得到审批用于治疗雌激素阳性乳腺癌,但是否对三阴性乳腺癌有效并没有得到充分研究。

“转移是癌症的一个重要特征也是导致癌症死亡的重要原因。尽管在癌症治疗方法上取得显著进展,阻止癌症转移仍然是一个至今仍未实现的挑战。”该研究作者Zhenkun Lou博士这样说道。

三阴性乳腺癌是一种非常难以治疗的乳腺癌类型,这种类型的乳腺癌细胞缺少雌激素受体,黄体酮受体和HER-2受体,而这几种受体是许多乳腺癌治疗方法的重要靶点。该研究对三阴性乳腺癌进行了着重研究。

“之前发表的数据表明CDK4/6抑制剂对于雌激素受体阴性乳腺癌的生长并没有有效的抑制作用。我们的数据证实了这一点,虽然三阴性乳腺癌的生长速率也不会受到CDK4/6抑制剂的影响,但是这类药物能够显著抑制三阴性乳腺癌细胞向远端器官的转移,这一结果也在包括人源异种移植模型(PDX)在内的多个不同的三阴性乳腺癌模型中得到了证实。”Dr. Lou这样说道。PDX模型是将病人肿瘤组织移植到免疫缺陷小鼠体内而得到的一种动物模型,可以帮助鉴定药物或药物组合对癌症病人的个体化治疗效果。

Dr. Lou也表示还需要进行更多研究来验证这一结果。如果该发现能够得到进一步确证,那么CDK4/6抑制剂的用途将得到扩展,或可用于阻止SNAIL蛋白高表达的多种癌症。

原始出处:

Liu T, Yu J, Deng M, Yin Y, Zhang H, Luo K, Qin B, Li Y, Wu C, Ren T, Han Y, Yin P, Kim J, Lee S, Lin J, Zhang L, Zhang J, Nowsheen S, Wang L, Boughey J, Goetz MP, Yuan J, Lou Z.CDK4/6-dependent activation of DUB3 regulates cancer metastasis through SNAIL1.Nat Commun. 2017 Jan 9;8:13923. doi: 10.1038/ncomms13923.

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    2017-07-24 liye789132251
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    2017-10-25 liuli5079
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