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今日《细胞》封面:首次看清体内所有癌症转移!

发布者:biolead 发布时间:2019-12-13 分享到:
在全世界范围内,癌症是最为主要的致死原因之一。但很多人其实没有意识到,杀死这些病患的,其实并不是最初的癌症,而是癌症发生的转移。事实上,超过90%的癌症患者是因为癌症转移才去世的。
既然癌症转移那么凶险,我们开发一点药物,抑制癌症转移不就好了?说起来容易做起来难。由于癌症的复杂性,很多时候,我们并不知道癌症为何转移,如何转移,又会转移到何处。更糟糕的是,由于我们的身体不是透明的,现有的技术也很难让科学家们看清身体里究竟发生了什么。
今天《细胞》杂志封面所介绍的一项重磅研究,可能让这一切成为历史。
 
这项研究来自德国纽伦堡的组织工程和再生医学研究所(Institute for Tissue Engineering and Regenerative Medicine),通讯作者是Ali Ertürk教授。大家可能没有听说过他的名字,但他的团队先前曾带来了一种叫做vDISCO的黑科技,可以把小鼠的身体变透明。这样一来,我们就可以看到这些动物身体深处的细胞了。
能看到这些细胞,就有机会找到其中的转移癌细胞。但纯靠人工去寻找依然费时费力,没有实际的应用价值。为了快速找到小鼠身体里的所有癌症转移迹象,研究人员们利用深度学习技术,开发了一种叫做DeepMACT的算法。它不仅能帮助我们找到小鼠体内的癌症转移,还可以告诉我们,哪些转移位点已经被药物“盯上了”,又有哪些位点“逃之夭夭”。
更令人欣喜的是,这种深度学习算法,只需要不到一个小时就可以完成所有的分析工作,且准确率和人类专家相当。相比之下,如果让人类来完成同样的工作量,则可能需要花上几个月的时间

参考资料:

[1] Chenchen Pan et al., (2019), Deep Learning Reveals Cancer Metastasis and Therapeutic Antibody Targeting in the Entire Body, Cell, DOI: https://doi.org/10.1016/j.cell.2019.11.013

[2] New algorithm detects even the smallest cancer metastases across the entire mouse body, Retrieved December 12, 2019, from https://www.eurekalert.org/pub_releases/2019-12/hzm--nad121019.php

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