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Oncogene: CRIPTO和它的信号伴侣GRP78能促使人类前列腺癌骨转移表型

2017-04-16 AlexYang MedSci原创

CRIPTO (CR-1,TDGF1)是一个细胞表面/分泌的肿瘤蛋白并积极的参与发育和癌症。最近,研究人员报道了CRIPTO的高表达与前列腺癌(PCa)患者分层风险组的低生存率有关。研究结果发现,CRIPTO和它的信号伴侣-葡萄糖调节的蛋白78(GRP78)在PCa转移肿瘤中高度表达,并且与非转移性ALDHlow比较,在PC-3M-Pro4Luc2 PCa 细胞的转移性ALDHhigh亚群中有着更

CRIPTO (CR-1,TDGF1)是一个细胞表面/分泌的肿瘤蛋白并积极的参与发育和癌症。最近,研究人员报道了CRIPTO的高表达与前列腺癌(PCa)患者分层风险组的低生存率有关。

研究结果发现,CRIPTO和它的信号伴侣-葡萄糖调节的蛋白78(GRP78)在PCa转移肿瘤中高度表达,并且与非转移性ALDHlow比较,在PC-3M-Pro4Luc2 PCa 细胞的转移性ALDHhigh亚群中有着更高的表达。研究人员将骨转移PC-3M-Pro4Luc2 PCa 细胞与分化的人类初级造骨细胞共培养后诱导了CRIPTO和GRP78在癌细胞中的表达,并且增加了ALDHhigh亚群的规模。另外,CRIPTO或GRP78的敲除减少了细胞增殖、迁移、集落形成和ALDHhigh亚群的规模。研究人员还发现,CRIPTO敲除可以减少斑马鱼中PC-3M-Pro4Luc2细胞的侵入性,并且可以抑制前临床小鼠模型的骨转移。最后,研究人员指出,这些结果强调了CRIPTO和GRP78在PCa转移中的功能角色,并且指出了将CRIPTO/GRP78信号作为靶标也许有着明显的治疗潜力。

原始出处:

E Zoni, L Chen, S Karkampouna et al. CRIPTO and its signaling partner GRP78 drive the metastatic phenotype in human osteotropic prostate cancer. Oncogene. 10 April 2017. doi: 10.1038/onc.2017.87.

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    2017-11-21 仁心济世
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    2017-04-22 虈亣靌

    感谢分享一下!

    0

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    2017-04-18 tastas
  4. [GetPortalCommentsPageByObjectIdResponse(id=2048812, encodeId=2e0420488125d, content=<a href='/topic/show?id=4363e929ad' target=_blank style='color:#2F92EE;'>#Gene#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7929, encryptionId=4363e929ad, topicName=Gene)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=仁心济世, createdTime=Tue Nov 21 20:53:00 CST 2017, time=2017-11-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189721, encodeId=374e189e2135, content=感谢分享一下!, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Sat Apr 22 23:25:44 CST 2017, time=2017-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1535128, encodeId=a1561535128a4, content=<a href='/topic/show?id=099f9020145' target=_blank style='color:#2F92EE;'>#表型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90201, encryptionId=099f9020145, topicName=表型)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9b6412593156, createdName=tastas, createdTime=Tue Apr 18 02:53:00 CST 2017, time=2017-04-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1558066, encodeId=fdcc1558066fa, content=<a href='/topic/show?id=2f1c13349e7' target=_blank style='color:#2F92EE;'>#Oncogene#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13349, encryptionId=2f1c13349e7, topicName=Oncogene)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=154614942533, createdName=zsyan, createdTime=Tue Apr 18 02:53:00 CST 2017, time=2017-04-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1615846, encodeId=2aa8161584655, content=<a href='/topic/show?id=5882260898d' target=_blank style='color:#2F92EE;'>#伴侣#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=26089, encryptionId=5882260898d, topicName=伴侣)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2b3b19689320, createdName=ms3892185887221420, createdTime=Tue Apr 18 02:53:00 CST 2017, time=2017-04-18, status=1, ipAttribution=)]
    2017-04-18 zsyan
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前列腺癌的雄激素剥夺疗法是较为常用的肿瘤治疗手段,其常见的不良反应为骨质疏松和骨折风险。而最新的研究表明,雄激素剥夺疗法与男性前列腺癌患者痴呆的发生存在某些相关性,可能的原因是雄激素对于神经元的维护作用受到影响,与阿尔茨海默病尚无定论,有待进一步研究。一项新的分析研究显示接受雄性激素剥夺疗法(ADT)治疗的前列腺癌患者与痴呆存在关联性,雄性激素剥夺疗法是一种雄激素降低治疗手段。该研究来自于宾夕法尼

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自我吞噬和细胞凋亡是两个精细的控制机制来调控细胞的命运。但是,人们对细胞命运走向决定因子的理解还在初期。单胺氧化酶A(MAOA)是一个线粒体酶,且在精神病研究中被人熟知。越来越多的报道表明了MAOA的超表达与前列腺癌(PCa)有关。最近,研究人员展示了MAOA参与了PCa细胞神经内分泌分化的调控,并且该细胞为激素抵抗性PCa(HRPC),是一种致死的疾病类型。接着,最近的报道展示了PCa的神经内分

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