Cancer Sci:CLDN8是一个激素调控基因,并且可以促进前列腺癌细胞的增殖和迁移

2017-05-13 AlexYang MedSci原创

前列腺癌细胞的增殖是受激素受体(AR)信号途径控制。然而,AR靶基因的功能仍旧还没有很好的阐释。在之前的研究中,研究人员在前列腺癌细胞中鉴定了总体的AR结合位点(ARBS)和AR靶基因。最近,有研究人员关注了封闭蛋白8(CLDN8),且该蛋白能够紧密的结合在细胞膜中。研究发现,在该蛋白核酸序列的启动子区域有一个ARBS,且在序列中有两个功能性的激素响应元件(AREs)。报告基因实验表明了雄激素诱导

前列腺癌细胞的增殖是受激素受体(AR)信号途径控制。然而,AR靶基因的功能仍旧还没有很好的阐释。在之前的研究中,研究人员在前列腺癌细胞中鉴定了总体的AR结合位点(ARBS)和AR靶基因。

最近,有研究人员关注了封闭蛋白8(CLDN8),且该蛋白能够紧密的结合在细胞膜中。研究发现,在该蛋白核酸序列的启动子区域有一个ARBS,且在序列中有两个功能性的激素响应元件(AREs)。报告基因实验表明了雄激素诱导的CLDN8转录激活依赖与这些AREs。更多的是,雄激素诱导的CLDN8 mRNA是时间依赖的,并且该诱导可以被AR抑制子阻断,这些表明了AR参与了转录激活。另外,研究人员通过对CLDN8 mRNA的超表达和敲除分析,表明了CLDN8可以促进前列腺癌细胞的增殖和迁移。CLDN8在前列腺癌细胞的临床样本中和良性组织比较是超表达的。更近一步的是,研究发现CLDN8调控细胞内的信号转导和稳定细胞骨架。最后,研究人员指出,这些结果表明了CLDN8可以作为AR下游信号促进前列腺癌的进展。CLDN8也许可以作为前列腺癌治疗的新的分子靶标。

原始出处:

Ashikari D, Takayama K, Obinata D et al. CLDN8, an androgen-regulated gene, promotes prostate cancer cell proliferation and migration. Cancer Sci. May 2017.

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    2018-04-02 anan
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    2017-05-15 yxch36
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    2017-05-13 明月清辉

    谢谢分享,学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1640911, encodeId=e4c6164091139, content=<a href='/topic/show?id=7c99939e3fd' target=_blank style='color:#2F92EE;'>#迁移#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93973, encryptionId=7c99939e3fd, topicName=迁移)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d37c22750496, createdName=ms8888626721583891, createdTime=Sat Jan 27 03:13:00 CST 2018, time=2018-01-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1984324, encodeId=a2d019843242a, content=<a href='/topic/show?id=7e1e9200888' target=_blank style='color:#2F92EE;'>#调控基因#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=92008, encryptionId=7e1e9200888, topicName=调控基因)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=236b481, createdName=anan, createdTime=Mon Apr 02 16:13:00 CST 2018, time=2018-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1252241, encodeId=caa912522412a, 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=38, 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=Mon May 15 00:13:00 CST 2017, time=2017-05-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1620209, encodeId=524316202093f, content=<a href='/topic/show?id=c62132549a5' target=_blank style='color:#2F92EE;'>#前列腺癌细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32549, encryptionId=c62132549a5, topicName=前列腺癌细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e09820091072, createdName=lifestar, createdTime=Mon May 15 00:13:00 CST 2017, time=2017-05-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=197544, encodeId=003b19e544a8, content=谢谢分享,学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6Nx0VGA4QMDzOP8oAgnV4h51EjSfehJ9QxyiaSmw8PB56BhY8KXFSxHCibXrzcy4abrzSibXQPxJ9kzrLcJyhhB8a/0, createdBy=1d3b1672603, createdName=明月清辉, createdTime=Sat May 13 13:00:43 CST 2017, time=2017-05-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=197517, encodeId=e4f419e517f6, content=很好,如果能用在临床,前列腺癌的治疗就又多了一个利器, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4o2XVpJ6449yqDsjibydI5HnJ8MibGxNn4HZiaZib0bdfibbwoz3KQrIyN9AGxq36ZlZRNicYlPfOOWMtwgsajY6mGNFiaPclFdowjD0/0, createdBy=97bd1338592, createdName=清风拂面, createdTime=Sat May 13 11:23:21 CST 2017, time=2017-05-13, status=1, ipAttribution=)]
    2017-05-13 清风拂面

    很好,如果能用在临床,前列腺癌的治疗就又多了一个利器

    0

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