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Br J Cancer:癌细胞中的DLL4表达情况,跟患者生存有什么关系?

2016-10-20 MedSci MedSci原创

为了改善胰腺导管腺癌(PDAC)患者的预后,越来越多的研究把治疗靶点的兴趣定位在Notch信号通路,特别是Delta样配体4(DLL4)。 采用免疫组织化学(IHC)和组织芯片(TMA)技术,我们对151例患者进行了研究,评估他们的DLL4、Notch1和Notch3表达模式。这些患者来自于两个独立的队列,均切除PDAC。我们研究了这些蛋白质的预后和预测意义。 结果显示,免疫组织化学显

为了改善胰腺导管腺癌(PDAC)患者的预后,越来越多的研究把治疗靶点的兴趣定位在Notch信号通路,特别是Delta样配体4(DLL4)。

采用免疫组织化学(IHC)和组织芯片(TMA)技术,我们对151例患者进行了研究,评估他们的DLL4、Notch1和Notch3表达模式。这些患者来自于两个独立的队列,均切除PDAC。我们研究了这些蛋白质的预后和预测意义。

结果显示,免疫组织化学显示癌细胞中的DLL4高表达,与低DLL4表达相比较,与更差的总生存期(OS)和无病生存期(DFS)相关(中位OS 12.9 vs 30.4个月,P = 0.004,中位无病生存期:8.8个月和17.4个月,P = 0.02)。

多变量分析中,高DLL4表达仍然是一个显着的负性预后因子(HR(OS): 2.1, P=0.02 and HR(DFS): 2.0, P=0.02)。

对于辅助吉西他滨为基础的化疗患者,低DLL4表达与OS延长有关(P<0.001),但是对于没有接受吉西他滨的患者,就不存在这个相关性(P=0.72)。

此外,辅助吉西他滨治疗的相互作用具有统计学意义(P<0.001)。

验证队列的结果与以上相似。

结果表明,肿瘤细胞中低DLL4表达,意味着PDAC切除术后患者,能从吉西他滨辅助治疗中获益。

原始出处:

Drouillard A.et al.DLL4 expression is a prognostic marker and may predict gemcitabine benefit in resected pancreatic cancer.Br J Cancer. 2016 Oct 18. doi: 10.1038/bjc.2016.319. [Epub ahead of print]

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  1. [GetPortalCommentsPageByObjectIdResponse(id=1932558, encodeId=c7b7193255863, content=<a href='/topic/show?id=5cd95305803' target=_blank style='color:#2F92EE;'>#患者生存#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53058, encryptionId=5cd95305803, topicName=患者生存)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=47c5349, createdName=tastas, createdTime=Tue Feb 21 05:28:00 CST 2017, time=2017-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=150751, encodeId=73df150e51cb, content=胰腺癌以外,还有啥, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=57ab1959292, createdName=boc_111, createdTime=Mon Oct 24 07:43:40 CST 2016, time=2016-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1252147, encodeId=d7fc125214ea0, content=<a href='/topic/show?id=3efee1519b2' target=_blank style='color:#2F92EE;'>#癌细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71519, encryptionId=3efee1519b2, topicName=癌细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4cea26, createdName=yxch36, createdTime=Sat Oct 22 13:28:00 CST 2016, time=2016-10-22, status=1, ipAttribution=)]
  2. [GetPortalCommentsPageByObjectIdResponse(id=1932558, encodeId=c7b7193255863, content=<a href='/topic/show?id=5cd95305803' target=_blank style='color:#2F92EE;'>#患者生存#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53058, encryptionId=5cd95305803, topicName=患者生存)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=47c5349, createdName=tastas, createdTime=Tue Feb 21 05:28:00 CST 2017, time=2017-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=150751, encodeId=73df150e51cb, content=胰腺癌以外,还有啥, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=57ab1959292, createdName=boc_111, createdTime=Mon Oct 24 07:43:40 CST 2016, time=2016-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1252147, encodeId=d7fc125214ea0, content=<a href='/topic/show?id=3efee1519b2' target=_blank style='color:#2F92EE;'>#癌细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71519, encryptionId=3efee1519b2, topicName=癌细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4cea26, createdName=yxch36, createdTime=Sat Oct 22 13:28:00 CST 2016, time=2016-10-22, status=1, ipAttribution=)]
    2016-10-24 boc_111

    胰腺癌以外,还有啥

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1932558, encodeId=c7b7193255863, content=<a href='/topic/show?id=5cd95305803' target=_blank style='color:#2F92EE;'>#患者生存#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53058, encryptionId=5cd95305803, topicName=患者生存)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=47c5349, createdName=tastas, createdTime=Tue Feb 21 05:28:00 CST 2017, time=2017-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=150751, encodeId=73df150e51cb, content=胰腺癌以外,还有啥, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=57ab1959292, createdName=boc_111, createdTime=Mon Oct 24 07:43:40 CST 2016, time=2016-10-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1252147, encodeId=d7fc125214ea0, content=<a href='/topic/show?id=3efee1519b2' target=_blank style='color:#2F92EE;'>#癌细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71519, encryptionId=3efee1519b2, topicName=癌细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4cea26, createdName=yxch36, createdTime=Sat Oct 22 13:28:00 CST 2016, time=2016-10-22, status=1, ipAttribution=)]
    2016-10-22 yxch36
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