NAT COMMUN:科学家解密肝癌的生长和扩散,抗癌新方法呼之欲出!

2017-06-29 佚名 medicalxpress

肝癌基因变化多端,这也是肝癌难以治疗的原因之一,来自新加坡的研究小组近期指出,每个肝癌病人的基因差异有一天会为科学家所用,成为靶向治疗肝癌的依据。

肝癌基因变化多端,这也是肝癌难以治疗的原因之一,来自新加坡的研究小组近期指出,每个肝癌病人的基因差异有一天会为科学家所用,成为靶向治疗肝癌的依据。

肝细胞癌(HCC)是最常见的肝脏癌症,目前是第二个全球癌症死亡最常见的原因,这是因为,肝癌早期没有症状,肝癌肿瘤一般发现时已经是晚期,因此治疗方式非常受限,而到目前为止,科学家仍不了解肝癌是如何发展的。

来自新加坡的研究人员解释称:“癌症发展和有效治疗正在进行一场比赛,但是肝癌的发展速度总是让治疗方法望尘莫及,在我们的此次研究中,我们确定了肝癌肿瘤的异质性或者说遗传多样性,这是理解肝癌的关键所在,也是这场比赛中至关重要的步骤。”

在此次试验中,研究人员使用下一代DNA测序技术分析了66组肿瘤样本,样本来自每个肿瘤的多个站点,以及从不同的肿瘤的同一站点。

“我们发现单个个体肿瘤之间存在相当大的遗传多样性,肿瘤的空间增长模式就像树干的年轮一样,它表示肝癌肿瘤生长时向外扩张的序列。这与其他癌症,如直结肠癌等,是完全不同的,因此抗癌方法也不尽相同。

“肿瘤的高异质性解释了为什么单一疗法无法取得成功,我们的下一个挑战是要考虑如何靶向空间格局,在未来的临床治疗中得以应用。”

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    2018-05-10 liye789132251
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    2018-04-11 liuli5079
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    2017-06-29 189****7206

    学习了受益匪浅

    0

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    2017-06-29 忠诚向上

    好好的学习一下

    0

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