Nat Commun:抑制休眠肿瘤细胞的自噬或可阻止乳腺癌复发

2018-05-23 佚名 Nature自然科研

根据本周《自然-通讯》发表的一项研究Autophagy promotes the survival of dormant breast cancer cells and metastatic tumour recurrence,乳腺癌细胞转移至其它器官并保持休眠状态后,通过自噬确保自身可以长期存活。

根据本周《自然-通讯》发表的一项研究Autophagy promotes the survival of dormant breast cancer cells and metastatic tumour recurrence,乳腺癌细胞转移至其它器官并保持休眠状态后,通过自噬确保自身可以长期存活。



D2.0 R细胞在进入休眠状态后激活自噬。

乳腺癌导致死亡的一个主要原因是初次诊断并治疗后肿瘤复发,这是由休眠的肿瘤细胞转移发作引起的。但是,休眠的乳腺癌细胞能够长期存活的原因还鲜为人知。自噬是一种重要的细胞自我修复机制:分解部分不再需要的细胞内容物,再加以循环利用。

美国国家癌症研究所的Kent Hunter及同事表明,发生转移的乳腺癌细胞通过自噬保持休眠状态,在其它器官里存活下去。作者利用3D细胞和小鼠模型表明,通过遗传操作和药理抑制剂阻断这些休眠、扩散的乳腺癌细胞的自噬,会阻碍其生存,从而抑制其他远离乳腺的器官中的肿瘤生长。他们还表明,抑制自噬之所以能够降低肿瘤细胞的生存能力,是因为受损线粒体和氧化应激不断累积,导致细胞死亡。



抑制自噬能导致线粒体功能障碍和细胞死亡。

作者认为针对自噬靶向干预或许能够阻止乳腺癌复发。

原始出处:
Laura Vera-Ramirez, et al. Autophagy promotes the survival of dormant breast cancer cells and metastatic tumour recurrence. Nature Communications. May 22, 2018.

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    2019-01-24 liye789132251
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    2019-02-07 liuli5079
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    2019-01-29 yese
  5. [GetPortalCommentsPageByObjectIdResponse(id=1883047, encodeId=5255188304e21, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, 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 Jan 24 21:28:00 CST 2019, time=2019-01-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2087351, encodeId=2598208e351b1, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Thu Feb 07 11:28:00 CST 2019, time=2019-02-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1313006, encodeId=a7a613130063b, content=<a href='/topic/show?id=4ce783062c7' target=_blank style='color:#2F92EE;'>#肿瘤细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83062, encryptionId=4ce783062c7, topicName=肿瘤细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c859411, createdName=hmwwww, createdTime=Fri May 25 11:28:00 CST 2018, time=2018-05-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1668061, encodeId=e51116680617c, content=<a href='/topic/show?id=902125e1351' target=_blank style='color:#2F92EE;'>#休眠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=25713, encryptionId=902125e1351, topicName=休眠)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=34e226239625, createdName=yese, createdTime=Tue Jan 29 19:28:00 CST 2019, time=2019-01-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=318078, encodeId=1acd3180e816, content=好文献学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b5a62240667, createdName=张新亮1853311252142e2fm, createdTime=Thu May 24 07:30:41 CST 2018, time=2018-05-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=318033, encodeId=e884318033a9, content=学习学习谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=93, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTLbTp9nZtjwVrSZNxAXbAicnKQWnic2eBdJUQYhxO36XdkstSicr7FVF8p5ReH4omtmsbnLdvZLiaJJ1A/132, createdBy=8bff2327056, createdName=kafei, createdTime=Thu May 24 06:26:38 CST 2018, time=2018-05-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=317931, encodeId=7a7a31e931f7, content=根据本周<自然-通讯>发表的一项研究Autophagypromotesthesurvivalofdormantbreastcancercellsandmetastatictumourrecurrence.乳腺癌细胞转移至其它器官并保持休眠状态后.通过自噬确保自身可以长期存活., beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Wed May 23 22:38:12 CST 2018, time=2018-05-23, status=1, ipAttribution=)]
    2018-05-24 张新亮1853311252142e2fm

    好文献学习了

    0

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    2018-05-24 kafei

    学习学习谢谢分享

    0

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    2018-05-23 有备才能无患

    根据本周<自然-通讯>发表的一项研究Autophagypromotesthesurvivalofdormantbreastcancercellsandmetastatictumourrecurrence.乳腺癌细胞转移至其它器官并保持休眠状态后.通过自噬确保自身可以长期存活.

    0

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