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Sci Rep:催乳素或成治疗三阴性乳腺癌的新武器

2016-10-27 生物谷 生物谷

最近来自加拿大麦吉尔大学健康中心研究所的一项研究表明对乳腺癌病人进行催乳素受体筛查有助于改善部分病人的预后,或可帮助病人避免接受不必要的和侵入性治疗。在对580名三阴性乳腺癌病人的数据进行分析之后,研究人员发现表达催乳素受体的病人生存时间更长,催乳素能够降低癌细胞的侵袭行为。相关研究结果发表在国际学术期刊Scientific Reports上。三阴性乳腺癌是一类雌激素受体,黄体酮受体和HER2都呈


最近来自加拿大麦吉尔大学健康中心研究所的一项研究表明对乳腺癌病人进行催乳素受体筛查有助于改善部分病人的预后,或可帮助病人避免接受不必要的和侵入性治疗。在对580名三阴性乳腺癌病人的数据进行分析之后,研究人员发现表达催乳素受体的病人生存时间更长,催乳素能够降低癌细胞的侵袭行为。相关研究结果发表在国际学术期刊Scientific Reports上。

三阴性乳腺癌是一类雌激素受体,黄体酮受体和HER2都呈阴性的乳腺肿瘤。“三阴性乳腺癌是恶性程度最高的乳腺癌症,非常难以治疗,”领导该研究的Dr. Ali这样说道。“虽然最近几十年以来乳腺癌病人的预后和治疗选择整体得到提高,但是对于患有三阴性乳腺癌的病人来说并非如此,她们可以选择的靶向治疗策略仍然有限,病人的预后也非常不好。”

出现这一情况的原因之一就是三阴性乳腺癌比较多样化,并非所有病人体内的癌细胞都变现出相同的行为,其中还存在一些未知情况研究人员还未完全了解。Dr.Ali的研究团队表示他们已经发现了解锁其中隐藏秘密的关键。

他们发现如果肿瘤表达催产素受体,则乳腺癌的恶性程度相对较低,病人的预后情况也会更好。更进一步,他们在临床前模型中发现如果没有表达催乳素受体,肿瘤细胞不仅侵袭性更强,同时相比于表达催乳素受体的肿瘤细胞来说,其增殖能力和转移扩散能力也更强。

“这些结果表明对催乳素受体进行筛选能够提示哪些病人能够从催乳素单独治疗或与化疗的联合治疗中获益,”Dr.Ali这样解释道。“我们认为这将推动乳腺癌新治疗方法的开发。”

原始出处:

López-Ozuna VM, Hachim IY, Hachim MY, Lebrun JJ, Ali S. Prolactin Pro-Differentiation Pathway in Triple Negative Breast Cancer: Impact on Prognosis and Potential Therapy. Sci Rep. 2016 Aug 2;6:30934. doi: 10.1038/srep30934.

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    2016-10-29 xlysu
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    2016-10-29 lmm401

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