Cancer:去势难治性前列腺癌病人对阿比特龙或者恩杂鲁胺抗性机制的鉴定分析

2017-12-27 AlexYang MedSci原创

2个以雄激素受体(AR)为靶标的治疗药物,恩杂鲁胺和醋酸阿比特龙加强的松(阿比特龙)已经被批准应用于转移性去势难治性前列腺癌(CRPC)的治疗。许多病人对这些药物都具有响应,但是自身的抗性和获得性抗性却普遍存在。最近,有研究人员鉴定了在阿比特龙或者恩杂鲁胺治疗之后出现的抗性表型。研究发现,从循环肿瘤细胞(CTCs)的RNA-seq数据中鉴定到的变异和新的变异与CRPC普遍相关,包括了AR配体结合域

2个以雄激素受体(AR)为靶标的治疗药物,恩杂鲁胺和醋酸阿比特龙加强的松(阿比特龙)已经被批准应用于转移性去势难治性前列腺癌(CRPC)的治疗。许多病人对这些药物都具有响应,但是自身的抗性和获得性抗性却普遍存在。最近,有研究人员鉴定了在阿比特龙或者恩杂鲁胺治疗之后出现的抗性表型。

研究发现,从循环肿瘤细胞(CTCs)的RNA-seq数据中鉴定到的变异和新的变异与CRPC普遍相关,包括了AR配体结合域的一些变异,这些变异可以促使逃避AR靶标药物的作用。不同调控基因的信号网络分析鉴定除了转化生长因子β(TGFβ)和细胞周期蛋白D1(CCND1)信号通路在药物抗性CTCs中显著的上调。利用恩杂鲁胺敏感和恩杂鲁胺抗性LNCaP细胞的转染试验确定了SMAD家族成员、TGFβ信号通路的1个关键调控子和CCND1参与了恩杂鲁胺抗性的产生。

最后,研究人员指出,他们的结果表明了对阿比特龙或者恩杂鲁敏感的或者具有抗性的CTCs的RNA-seq能够鉴定抗性存在的潜在机制。以SMAD家族成员3(SMAD3)和CCND1调控的下游信号为治疗靶标,比如细胞周期蛋白依赖的激酶4/细胞周期蛋白依赖的激酶6抑制子,能够为去势难治性前列腺癌疾病的治疗提供新的治疗选择。

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    2017-12-29 freve
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    2017-12-28 Drhzm308

    谢谢.学习了

    0

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    2017-12-28 飛歌

    厉害了我的哥

    0

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    2017-12-27 131****2916

    不错的文章.值得推荐

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1665946, encodeId=ddbf1665946b0, content=<a href='/topic/show?id=6f7d553159c' target=_blank style='color:#2F92EE;'>#抗性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=55315, encryptionId=6f7d553159c, topicName=抗性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Mon Feb 12 21:44:00 CST 2018, time=2018-02-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528437, encodeId=6c65152843e2f, 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=23, 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=Fri Dec 29 11:44:00 CST 2017, time=2017-12-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273129, encodeId=56592e3129d9, content=谢谢.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ad4c106013, createdName=Drhzm308, createdTime=Thu Dec 28 07:01:04 CST 2017, time=2017-12-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273086, encodeId=dd7d2e308695, content=厉害了我的哥, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib3IzoRn621JdKCFUI4XvNELcibocrAVU6aUzEVDSaf3rYH08PUYUiagGqxAEhj8g9WqqNvD1CupIpCrmnR2OrqHZh/0, createdBy=7f181365728, createdName=飛歌, createdTime=Thu Dec 28 00:04:30 CST 2017, time=2017-12-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273067, encodeId=05012e3067c3, content=不错的文章.值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Wed Dec 27 22:55:27 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273052, encodeId=e1c82e30527a, content=好资料学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Wed Dec 27 22:21:12 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273031, encodeId=8ae72e30318e, content=不错的文章.值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Wed Dec 27 21:39:56 CST 2017, time=2017-12-27, status=1, ipAttribution=)]
    2017-12-27 thlabcde

    好资料学习了!

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  7. [GetPortalCommentsPageByObjectIdResponse(id=1665946, encodeId=ddbf1665946b0, content=<a href='/topic/show?id=6f7d553159c' target=_blank style='color:#2F92EE;'>#抗性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=55315, encryptionId=6f7d553159c, topicName=抗性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Mon Feb 12 21:44:00 CST 2018, time=2018-02-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528437, encodeId=6c65152843e2f, 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=23, 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=Fri Dec 29 11:44:00 CST 2017, time=2017-12-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273129, encodeId=56592e3129d9, content=谢谢.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ad4c106013, createdName=Drhzm308, createdTime=Thu Dec 28 07:01:04 CST 2017, time=2017-12-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273086, encodeId=dd7d2e308695, content=厉害了我的哥, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib3IzoRn621JdKCFUI4XvNELcibocrAVU6aUzEVDSaf3rYH08PUYUiagGqxAEhj8g9WqqNvD1CupIpCrmnR2OrqHZh/0, createdBy=7f181365728, createdName=飛歌, createdTime=Thu Dec 28 00:04:30 CST 2017, time=2017-12-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273067, encodeId=05012e3067c3, content=不错的文章.值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Wed Dec 27 22:55:27 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273052, encodeId=e1c82e30527a, content=好资料学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Wed Dec 27 22:21:12 CST 2017, time=2017-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=273031, encodeId=8ae72e30318e, content=不错的文章.值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Wed Dec 27 21:39:56 CST 2017, time=2017-12-27, status=1, ipAttribution=)]
    2017-12-27 1e1b8538m79(暂无匿称)

    不错的文章.值得拥有

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