Nat Cell Biol:单细胞测序挑战转移癌代谢理论

2020-03-23 佚名 生物通

这篇新文章挑战了过去的结论,并证明乳腺癌细胞在转移过程中利用了线粒体代谢。

Nature Cell Biology杂志一篇文章显示,转移乳腺癌细胞居然不通过糖酵解来获得能量,它们优先使用的是线粒体代谢。

这条线索给科学家们提供了预防癌细胞扩散的新思路。

根据加州欧文大学医学院Chao Family综合癌症中心Devon A. Lawson博士介绍,这项研究的临床意义在于靶向线粒体的药物可以有效地阻止患者体内癌细胞转移和扩散。

在过去,研究人员发现肿瘤的线粒体是无功能的,所以癌细胞主要利用细胞质糖酵解提供能量。这篇新文章挑战了过去的结论,并证明乳腺癌细胞在转移过程中利用了线粒体代谢。

乳腺癌高居女性癌症发病率和死亡率榜首,已确诊的女性癌症之中1/4都是乳腺癌。尽管全球已经在早期癌症检测和治疗方面取得了重大进展,但在美国这样的发达国家,每年仍约有4万名妇女死于乳腺癌转移。转移,几乎是所有乳腺癌致死的头号原因。

之前有关癌症转移的研究表明,一些生物学特性独特的罕见原发性肿瘤细胞能够在身体其他部位扩散。这些细胞的细胞运动和迁移特性已经得到了很好阐明。但是,控制癌细胞侵入远端组织并建立小群癌细胞集落的控制机制还不清楚。一部分原因是科学家们不能使用人体来试验转移性癌细胞的扩散,而在动物模型中,这一短阶段的检测和少量细胞分析是技术上的难点。

新文章作者是Lawson实验室的博士研究生Ryan Davis,他利用单细胞RNA测序和患者来源的乳腺癌异种移植(PDX)模型建立了一种新的监测乳腺癌转移过程中少量转移细胞转录组变化的方法。

经过筛查,研究人员发现转移的细胞中含有特定的RNA分子,携带这些RNA分子的病人生存率低,并且它们还会改变细胞代谢方式。

未来,研究人员希望可以针对该代谢靶点改善转移乳腺癌患者生存率。

原始出处:Davis RT1, Blake K2, Ma D3, et al. Transcriptional diversity and bioenergetic shift in human breast cancer metastasis revealed by single-cell RNA sequencing. Nat Cell Biol. 2020 Mar;22(3):310-320.

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    2020-08-21 kcb069
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    2020-09-14 sunylz
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    2020-12-15 docwu2019
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  5. [GetPortalCommentsPageByObjectIdResponse(id=2045794, encodeId=a2a82045e9440, content=<a href='/topic/show?id=f3c2934568b' target=_blank style='color:#2F92EE;'>#转移癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93456, encryptionId=f3c2934568b, topicName=转移癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=87b1109, createdName=kcb069, createdTime=Fri Aug 21 01:19:09 CST 2020, time=2020-08-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1919027, encodeId=c6ff191902e31, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Mon Sep 14 06:19:09 CST 2020, time=2020-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961929, encodeId=82881961929ef, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Tue Dec 15 00:19:09 CST 2020, time=2020-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1767750, encodeId=f4611e67750f2, content=<a href='/topic/show?id=64f5343e2f' target=_blank style='color:#2F92EE;'>#Biol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3437, encryptionId=64f5343e2f, topicName=Biol)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=446937890434, createdName=12498ebem31暂无昵称, createdTime=Thu Apr 02 22:19:09 CST 2020, time=2020-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871636, encodeId=73b218e163697, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, 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 11:19:09 CST 2020, time=2020-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1884187, encodeId=2555188418e38, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sat Feb 06 06:19:09 CST 2021, time=2021-02-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=380865, encodeId=78c738086509, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2020/03/10/79695518fa5744eb6dc56904a3897914.jpg, createdBy=4ad15254155, createdName=MYcat124, createdTime=Mon Mar 23 07:41:51 CST 2020, time=2020-03-23, status=1, ipAttribution=)]
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    2021-02-06 liye789132251
  7. [GetPortalCommentsPageByObjectIdResponse(id=2045794, encodeId=a2a82045e9440, content=<a href='/topic/show?id=f3c2934568b' target=_blank style='color:#2F92EE;'>#转移癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93456, encryptionId=f3c2934568b, topicName=转移癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=87b1109, createdName=kcb069, createdTime=Fri Aug 21 01:19:09 CST 2020, time=2020-08-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1919027, encodeId=c6ff191902e31, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Mon Sep 14 06:19:09 CST 2020, time=2020-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961929, encodeId=82881961929ef, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Tue Dec 15 00:19:09 CST 2020, time=2020-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1767750, encodeId=f4611e67750f2, content=<a href='/topic/show?id=64f5343e2f' target=_blank style='color:#2F92EE;'>#Biol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3437, encryptionId=64f5343e2f, topicName=Biol)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=446937890434, createdName=12498ebem31暂无昵称, createdTime=Thu Apr 02 22:19:09 CST 2020, time=2020-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871636, encodeId=73b218e163697, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, 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 11:19:09 CST 2020, time=2020-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1884187, encodeId=2555188418e38, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sat Feb 06 06:19:09 CST 2021, time=2021-02-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=380865, encodeId=78c738086509, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2020/03/10/79695518fa5744eb6dc56904a3897914.jpg, createdBy=4ad15254155, createdName=MYcat124, createdTime=Mon Mar 23 07:41:51 CST 2020, time=2020-03-23, status=1, ipAttribution=)]
    2020-03-23 MYcat124

    学习了

    0

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