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Cell Reports:肿瘤干细胞调节的新研究

2015-02-10 MedSci MedSci原创

桑福德伯翰医学研究所的研究人员发现了一个精确的干细胞信号转导过程,如果该信号通路中断则会导致肠道肿瘤。这些发现有助于我们对如何干细胞如何引起肿瘤以及识别特定的干细胞的分子的理解,这可以有针对性的预防肠道癌症肿瘤发生,进展以及癌症复发。今天这项研究的结果在线发表在Cell  Report。 桑福德伯翰的细胞死亡和生存网络项目主管Jorge Moscat博士说:“越来越多的证据表明,肿瘤干

桑福德伯翰医学研究所的研究人员发现了一个精确的干细胞信号转导过程,如果该信号通路中断则会导致肠道肿瘤。这些发现有助于我们对如何干细胞如何引起肿瘤以及识别特定的干细胞的分子的理解,这可以有针对性的预防肠道癌症肿瘤发生,进展以及癌症复发。今天这项研究的结果在线发表在Cell  Report。

桑福德伯翰的细胞死亡和生存网络项目主管Jorge Moscat博士说:“越来越多的证据表明,肿瘤干细胞是负责肿瘤的发生,发展,转移,复发以及耐药性的。我们新的研究成果可以为信号级联调节干细胞提供更好地理解,并且对设计新的和更有效的治疗癌症的方法也是非常重要的,”
     
该项目的教授,也是本文章的第二作者Maria教授说:“我们已经表明,蛋白激酶C-ζ(PKCζ)通常通过下调两个信号通路来抑制干细胞的活性:β-catenin and Yap。我们的实验室以前的研究结果表明,PKC-ζ作为一个肿瘤抑制因子来维持肠干细胞的动态平衡。目前的研究揭示了通过其发生的机制。”
     
覆盖肠道的单层上皮细胞每3-5天更新一次。那些取代了这些上皮细胞的细胞—肠道干细胞,需要进行调节来保持动态平衡。
     
迪亚兹—梅科说: “令人不安的是,干细胞池的动态平衡可以通过两种方式 : 它可以减少肠道上皮细胞的再生或增加干细胞的增殖,癌症是由控制细胞生长的中枢机制的关键基因的突变积累产生的。干细胞在肠道中是一个‘永久性’的角色,并且是那些突变细胞的储藏库。因此,如果干细胞活性增强,如在PKC-ζ电肠子缺失的情况下,然后显影肿瘤的可能性要高得多,并且将在启动肿瘤后变得更具侵袭性。”
       
使用基因工程小鼠模肠癌模型,研究小组发现,这一过程被两个主要肿瘤启动因子:β-catenin和Yap被PKCζ直接磷酸化控制。
         
“重要的是,我们证实了PKCζ、β-catenin和Yap在人结肠腺癌样本的致瘤谱。人样本实验和小鼠体内模型结果的相关性研究表明YAP和β-catenin是PKCζ潜在的底物,这或许将成为一种新的抗癌疗法。
        
Moscat说:“我们的研究结果显示,通过阻断导致肿瘤的途径,可以为肠道癌症的预防和治疗提供了新的可能性。”他们还强调急性或慢性损伤后促进肠再生的新策略,如化疗和放疗引起的。

原始出处

Victoria Llado, Yuki Nakanishi, Angeles Duran, Miguel Reina-Campos, Phillip M. Shelton, Juan F. Linares, Tomoko Yajima, Alex Campos, Pedro Aza-Blanc, Michael Leitges, Maria T. Diaz-Meco, Jorge Moscat. Repression of Intestinal Stem Cell Function and Tumorigenesis through Direct Phosphorylation of β-Catenin and Yap by PKCζ. Cell Reports, 2015

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  1. [GetPortalCommentsPageByObjectIdResponse(id=331567, encodeId=75b133156e4b, content=YAP和β-catenin是PKCζ潜在的底物.这或许将成为一种新的抗癌疗法., beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b6892045898, createdName=susanay, createdTime=Sat Jul 14 16:36:07 CST 2018, time=2018-07-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869023, encodeId=1511186902364, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Aug 06 20:47:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1959274, encodeId=d55119592e4ff, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Wed Apr 22 13:47:00 CST 2015, time=2015-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16595, encodeId=bb9e1659516, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=162, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:21:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15780, encodeId=148515e8039, content=以阅, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 14:04:00 CST 2015, time=2015-02-16, status=1, ipAttribution=)]
    2018-07-14 susanay

    YAP和β-catenin是PKCζ潜在的底物.这或许将成为一种新的抗癌疗法.

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=331567, encodeId=75b133156e4b, content=YAP和β-catenin是PKCζ潜在的底物.这或许将成为一种新的抗癌疗法., beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b6892045898, createdName=susanay, createdTime=Sat Jul 14 16:36:07 CST 2018, time=2018-07-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869023, encodeId=1511186902364, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Aug 06 20:47:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1959274, encodeId=d55119592e4ff, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Wed Apr 22 13:47:00 CST 2015, time=2015-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16595, encodeId=bb9e1659516, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=162, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:21:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15780, encodeId=148515e8039, content=以阅, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 14:04:00 CST 2015, time=2015-02-16, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=331567, encodeId=75b133156e4b, content=YAP和β-catenin是PKCζ潜在的底物.这或许将成为一种新的抗癌疗法., beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b6892045898, createdName=susanay, createdTime=Sat Jul 14 16:36:07 CST 2018, time=2018-07-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869023, encodeId=1511186902364, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Aug 06 20:47:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1959274, encodeId=d55119592e4ff, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Wed Apr 22 13:47:00 CST 2015, time=2015-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16595, encodeId=bb9e1659516, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=162, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:21:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15780, encodeId=148515e8039, content=以阅, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 14:04:00 CST 2015, time=2015-02-16, status=1, ipAttribution=)]
    2015-04-22 维他命
  4. [GetPortalCommentsPageByObjectIdResponse(id=331567, encodeId=75b133156e4b, content=YAP和β-catenin是PKCζ潜在的底物.这或许将成为一种新的抗癌疗法., beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b6892045898, createdName=susanay, createdTime=Sat Jul 14 16:36:07 CST 2018, time=2018-07-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869023, encodeId=1511186902364, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Aug 06 20:47:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1959274, encodeId=d55119592e4ff, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Wed Apr 22 13:47:00 CST 2015, time=2015-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16595, encodeId=bb9e1659516, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=162, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:21:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15780, encodeId=148515e8039, content=以阅, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 14:04:00 CST 2015, time=2015-02-16, status=1, ipAttribution=)]
    2015-02-20 orthoW

    很不错学习了

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=331567, encodeId=75b133156e4b, content=YAP和β-catenin是PKCζ潜在的底物.这或许将成为一种新的抗癌疗法., beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b6892045898, createdName=susanay, createdTime=Sat Jul 14 16:36:07 CST 2018, time=2018-07-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1869023, encodeId=1511186902364, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Aug 06 20:47:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1959274, encodeId=d55119592e4ff, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Wed Apr 22 13:47:00 CST 2015, time=2015-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16595, encodeId=bb9e1659516, content=很不错学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=162, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 09:21:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=15780, encodeId=148515e8039, content=以阅, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c68e1614119, createdName=windmilL1989, createdTime=Mon Feb 16 14:04:00 CST 2015, time=2015-02-16, status=1, ipAttribution=)]
    2015-02-16 windmilL1989

    以阅

    0

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