NATURE:使用液体活检跟踪肺癌的初期演变

2017-04-28 佚名 Nature自然科研

据《自然》发表的研究Phylogenetic ctDNA analysis depicts early stage lung cancer evolution显示,通过分析血液中的特定遗传标记,可以对肺癌的演变进行监测。

据《自然》发表的研究Phylogenetic ctDNA analysis depicts early stage lung cancer evolution显示,通过分析血液中的特定遗传标记,可以对肺癌的演变进行监测。研究表明,在血液样本中发现的循环肿瘤DNA (ctDNA)与组织亚型和其它变量(包括病情复发)相关。这些发现表明,液体活检或可提供一种非侵入式方法来分析肺癌患者,这也许有助于改进治疗方法,限制肿瘤复发。

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肺癌难以治愈,是全球范围内主要的癌症致死原因。已成型的转移性非小细胞肺癌(NSCLC)单靠化疗无法治愈,而在手术摘除肿瘤组织后进行化疗也只能提高约5%的患者的生存。改进术后治疗是必要的,而找出方法来判断患者是否可能复发或许有助于优化治疗决策。

循环肿瘤DNA的系统发生学追踪。Abbosh et al.

英国弗朗西斯·克里克研究所的Charles Swanton及同事在TRACERx肺癌临床试验研究中,前瞻性地监测了100位转移性非小细胞肺癌患者从确诊到复发和死亡的演变过程,他们使用定制的测序面板分析了在术前和术后进行的多次液体活检。他们发现检测ctDNA可以预测治疗结果,如对术后化疗的抗性,在某些情况下还可以比传统临床方法更早地发现复发情况。因此,分析液体活检可能有助于增强识别有可能从术后化疗中受益的患者,并能跟踪复发期间不同癌症克隆和亚克隆的演变。

对复发患者进行的ctDNA分析。Abbosh et al.

该方法的局限包括ctDNA分析的成本(分析单个患者5个样本的费用为1750美元)和NSCLC筛选的敏感度,后者可能受到肿瘤大小的限制。但是经过适当验证后,结果表明通过液体活检检测ctDNA有望简化对癌症发展和演变的监测。

原始出处:

Christopher Abbosh, Nicolai J. Birkbak, Gareth A. Wilson,et al. Phylogenetic ctDNA analysis depicts early stage lung cancer evolution. Nature (2017) doi:10.1038/nature22364.

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  1. [GetPortalCommentsPageByObjectIdResponse(id=1881975, encodeId=f83a18819e577, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Thu Oct 26 09:50:00 CST 2017, time=2017-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1745839, encodeId=ad201e45839de, content=<a href='/topic/show?id=34a5666451b' target=_blank style='color:#2F92EE;'>#演变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66645, encryptionId=34a5666451b, topicName=演变)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=96a135615295, createdName=oliver181, createdTime=Sun Aug 20 17:50:00 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1278006, encodeId=dcaf12e80067c, content=<a href='/topic/show?id=d34e6523544' target=_blank style='color:#2F92EE;'>#活检#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65235, encryptionId=d34e6523544, topicName=活检)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c39f145, createdName=smlt2008, createdTime=Sat Apr 29 22:50:00 CST 2017, time=2017-04-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191435, encodeId=b5491914356d, content=认真学习,把间接经验应用到临床实践中去,然后再总结出新思路。给点赞啦……, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Fri Apr 28 10:25:22 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191430, encodeId=bc971914309a, content=涨知识了,很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Fri Apr 28 10:03:19 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191420, encodeId=0eba191420e0, content=液体活检是未来一项创新新技术,可能用于大部分疾病的早期诊断,趁着疗效的检测。, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Fri Apr 28 09:58:37 CST 2017, time=2017-04-28, status=1, ipAttribution=)]
    2017-10-26 liye789132251
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    2017-08-20 oliver181
  3. [GetPortalCommentsPageByObjectIdResponse(id=1881975, encodeId=f83a18819e577, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Thu Oct 26 09:50:00 CST 2017, time=2017-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1745839, encodeId=ad201e45839de, content=<a href='/topic/show?id=34a5666451b' target=_blank style='color:#2F92EE;'>#演变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66645, encryptionId=34a5666451b, topicName=演变)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=96a135615295, createdName=oliver181, createdTime=Sun Aug 20 17:50:00 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1278006, encodeId=dcaf12e80067c, content=<a href='/topic/show?id=d34e6523544' target=_blank style='color:#2F92EE;'>#活检#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65235, encryptionId=d34e6523544, topicName=活检)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c39f145, createdName=smlt2008, createdTime=Sat Apr 29 22:50:00 CST 2017, time=2017-04-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191435, encodeId=b5491914356d, content=认真学习,把间接经验应用到临床实践中去,然后再总结出新思路。给点赞啦……, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Fri Apr 28 10:25:22 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191430, encodeId=bc971914309a, content=涨知识了,很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Fri Apr 28 10:03:19 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191420, encodeId=0eba191420e0, content=液体活检是未来一项创新新技术,可能用于大部分疾病的早期诊断,趁着疗效的检测。, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Fri Apr 28 09:58:37 CST 2017, time=2017-04-28, status=1, ipAttribution=)]
    2017-04-29 smlt2008
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    2017-04-28 ylzr123

    认真学习,把间接经验应用到临床实践中去,然后再总结出新思路。给点赞啦……

    0

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    2017-04-28 明天会更好!

    涨知识了,很好

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1881975, encodeId=f83a18819e577, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Thu Oct 26 09:50:00 CST 2017, time=2017-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1745839, encodeId=ad201e45839de, content=<a href='/topic/show?id=34a5666451b' target=_blank style='color:#2F92EE;'>#演变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66645, encryptionId=34a5666451b, topicName=演变)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=96a135615295, createdName=oliver181, createdTime=Sun Aug 20 17:50:00 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1278006, encodeId=dcaf12e80067c, content=<a href='/topic/show?id=d34e6523544' target=_blank style='color:#2F92EE;'>#活检#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65235, encryptionId=d34e6523544, topicName=活检)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c39f145, createdName=smlt2008, createdTime=Sat Apr 29 22:50:00 CST 2017, time=2017-04-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191435, encodeId=b5491914356d, content=认真学习,把间接经验应用到临床实践中去,然后再总结出新思路。给点赞啦……, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Fri Apr 28 10:25:22 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191430, encodeId=bc971914309a, content=涨知识了,很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Fri Apr 28 10:03:19 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191420, encodeId=0eba191420e0, content=液体活检是未来一项创新新技术,可能用于大部分疾病的早期诊断,趁着疗效的检测。, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Fri Apr 28 09:58:37 CST 2017, time=2017-04-28, status=1, ipAttribution=)]
    2017-04-28 lovetcm

    液体活检是未来一项创新新技术,可能用于大部分疾病的早期诊断,趁着疗效的检测。

    0

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