Brit J Cancer:雄激素受体剪接变异AR-V3, AR-V7和AR-V9在去势难治性前列腺癌转移中是持续共表达的

2018-07-22 AlexYang MedSci原创

前列腺癌(PC)患者中的一部分去势难治性前列腺(CRPC)患者表现出对雄激素受体(AR)靶向药物的原发抗性。其中的一个解释是持续的活性性激素受体剪接本变异(AR-Vs)的表达,最近,有研究人员探究了AR-Vs和其他AR畸变产物,从而更好的理解CRPC的产生。研究人员利用二代测序和免疫组化染色技术分析了不同阶段前列腺癌患者的样本。研究发现,旨在CRPC样本中检测到了AR变异和拷贝数的变化,且在5/3

前列腺癌(PC)患者中的一部分去势难治性前列腺(CRPC)患者表现出对雄激素受体(AR)靶向药物的原发抗性。其中的一个解释是持续的活性性激素受体剪接本变异(AR-Vs)的表达,最近,有研究人员探究了AR-Vs和其他AR畸变产物,从而更好的理解CRPC的产生。

研究人员利用二代测序和免疫组化染色技术分析了不同阶段前列腺癌患者的样本。研究发现,旨在CRPC样本中检测到了AR变异和拷贝数的变化,且在5/30名转移性CRPC患者中观察到了AR的基因组结构重排,但是它们与之前已知AR-Vs的表达并没有关系。AR-Vs中明显被检测到的包括AR-V3, AR-V7和AR-V9,且其表达水平在CRPC案例中要比前列腺切除患者样本更高。25名表达任何AR变异体的CRPC转移患者中,17名表达了所有上述3中AR-Vs。另外,AR-V7蛋白表达在CRPC中高度异质性,且要比激素性肿瘤表达量更高。

最后,研究人员指出,AR-V3, AR-V7和AR-V9在CRPC转移中是共表达的,同时也指出了通过利用所有AR-Vs的共同区域来抑制AR功能很可能对CRPC患者治疗带来好处。

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    2018-07-24 freve
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1342503, encodeId=da8e1342503af, content=<a href='/topic/show?id=34cb381023e' target=_blank style='color:#2F92EE;'>#变异#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38102, encryptionId=34cb381023e, topicName=变异)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=78c32500188, createdName=12498dabm77暂无昵称, createdTime=Tue Jul 24 01:22:00 CST 2018, time=2018-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1350538, encodeId=a3e11350538d7, content=<a href='/topic/show?id=a7689869104' target=_blank style='color:#2F92EE;'>#雄激素受体#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98691, encryptionId=a7689869104, topicName=雄激素受体)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Tue Jul 24 01:22:00 CST 2018, time=2018-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528493, encodeId=dda8152849305, content=<a href='/topic/show?id=74b798601a1' target=_blank style='color:#2F92EE;'>#难治性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98601, encryptionId=74b798601a1, topicName=难治性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a1ef11916292, createdName=freve, createdTime=Tue Jul 24 01:22:00 CST 2018, time=2018-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1590317, encodeId=d401159031e23, content=<a href='/topic/show?id=2c17e154824' target=_blank style='color:#2F92EE;'>#癌转移#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71548, encryptionId=2c17e154824, topicName=癌转移)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2dc017794099, createdName=linagood, createdTime=Tue Jul 24 01:22:00 CST 2018, time=2018-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1625538, encodeId=d826162553834, content=<a href='/topic/show?id=bb3832e63df' target=_blank style='color:#2F92EE;'>#剪接变异#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32763, encryptionId=bb3832e63df, topicName=剪接变异)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2fdd20820340, createdName=xiongke017, createdTime=Tue Jul 24 01:22:00 CST 2018, time=2018-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=333363, encodeId=3b7533336316, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Sun Jul 22 11:13:15 CST 2018, time=2018-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=333356, encodeId=770f3333562d, content=产生抵抗性的很好的解释!, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9b2e1935437, createdName=AlexYang, createdTime=Sun Jul 22 11:08:37 CST 2018, time=2018-07-22, status=1, ipAttribution=)]
    2018-07-22 医者仁心5538

    学习了

    0

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    2018-07-22 AlexYang

    产生抵抗性的很好的解释!

    0

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