Cancer Cell:科学家解密儿童脑肿瘤复发机制

2014-12-26 佚名 生物谷

根据发表在Cancer Cell杂志上一则研究显示,当脑肿瘤——髓母细胞瘤儿童疾病再次复发,髓母细胞瘤会有独特的基因路径。该研究由英国癌症研究所资助,这项研究提示表明当髓母细胞瘤复发时获取患者一个额外的组织样品,可以帮助识别癌症患者的亚型,预测哪些儿童患者可能是可受益于现有的靶向基因故障的靶向药物。 科学家分析29例复发患者的肿瘤活组织切片,他们发现了只有当髓母细胞瘤复发时才会出现的一系列变化,

根据发表在Cancer Cell杂志上一则研究显示,当脑肿瘤——髓母细胞瘤儿童疾病再次复发,髓母细胞瘤会有独特的基因路径。该研究由英国癌症研究所资助,这项研究提示表明当髓母细胞瘤复发时获取患者一个额外的组织样品,可以帮助识别癌症患者的亚型,预测哪些儿童患者可能是可受益于现有的靶向基因故障的靶向药物。

科学家分析29例复发患者的肿瘤活组织切片,他们发现了只有当髓母细胞瘤复发时才会出现的一系列变化,这些基因变化负责导致癌症变得更具侵略性。总部设在英国的纽卡斯尔大学研究员Steve Clifford教授说:我们的研究表明,我们需要了解和治疗复发性髓母细胞瘤以一种全新的方式。很明显当疾病复发时,新的活检需要实施,给医生提供更清晰的图像作出最佳和最适当治疗的决定。

60-70%的髓母细胞瘤儿童患者会生存下来,但对于那些复发患者而言,生存几率小于5%。医生Louis Chesler表示:我们很高兴在我们的研究中揭示,一些髓母细胞瘤复发儿童患者可以受益于现有的靶向药物,这些靶向药物通常比传统的化疗药物有较小的严重副作用。

为了针对那些可能受益的患者开展个性化治疗,医生要尽快获得复发疾病肿瘤儿童患者的样本。英国癌症研究中心的首席医生Peter Johnso教授说:我们迫切需要对于髓母细胞瘤复发有效的新治疗方法,并研究更多关于髓母细胞瘤是如何发展和变化的。

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    2015-07-03 维他命
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