Sci Rep:在热激蛋白90调控抑制的膀胱癌疗法中,蛋白组和组蛋白翻译后修饰的蛋白组学分析

2017-03-26 AlexYang MedSci原创

热激蛋白90(HSP90)的抑制作用的利用是一个非常诱人用于癌症治疗的策略。一些HSP90抑制剂在临床肿瘤试验中展现了很有应用前途的效果。然而,关于HSP90调控抑制的膀胱癌疗法的机制所知甚少。最近,研究人员报道了一个数量蛋白组学研究,即当蛋白表达量的改变和组蛋白翻译后修饰(PTMs)改变时,膀胱癌对HSP90抑制作用响应的评估。研究展示了5种HSP90抑制剂(AUY922, ganetespib

热激蛋白90(HSP90)的抑制作用的利用是一个非常诱人用于癌症治疗的策略。一些HSP90抑制剂在临床肿瘤试验中展现了很有应用前途的效果。然而,关于HSP90调控抑制的膀胱癌疗法的机制所知甚少。

最近,研究人员报道了一个数量蛋白组学研究,即当蛋白表达量的改变和组蛋白翻译后修饰(PTMs)改变时,膀胱癌对HSP90抑制作用响应的评估。研究展示了5种HSP90抑制剂(AUY922, ganetespib, SNX2112, AT13387, 和CUDC305)显着地抑制了膀胱癌5637细胞的增殖,并呈现剂量和时间依赖的模式。在AUY922和ganetespib处理中,研究人员利用蛋白组学研究量化了518个表达上调两倍的和811个表达下调两倍的蛋白。利用生物信息学分析,研究人员阐释了那些表达有差异的蛋白参与了多种细胞学过程和酶调控的信号途径,包括了染色质修饰和细胞死亡相关通路。更进一步的是,在AUY922和ganetespib处理的5637细胞中,研究人员利用数量蛋白组研究方法,在核心组蛋白93个标记中鉴定了14种类型的PTMs,并且包括丁酰化、瓜氨酸化、二羟基异丁酰化、甲基化、 糖基化修饰、丙酰化和琥珀酰化的34个新的组蛋白标记。总之,该研究概括了在膀胱癌细胞中,HSP90抑制剂处理后,蛋白组的变化和组蛋白PTMs对其响应的关系。最后,研究人员指出,该研究强化了对HSP90抑制调控的膀胱癌疗法的理解。

原始出处:

Qingdi Quentin Li, Jian-Jiang Hao, Zheng Zhang et al. Proteomic analysis of proteome and histone post-translational modifications in heat shock protein 90 inhibition-mediated bladder cancer therapeutics. Scientific Reports. 15 March 2017. doi:10.1038/s41598-017-00143-6.

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    2017-04-23 sword20000

    哦,学习了。期待实质性突破。

    0

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    2017-03-28 xqptu
  6. [GetPortalCommentsPageByObjectIdResponse(id=2059045, encodeId=64b6205904501, content=<a href='/topic/show?id=95e78868e8b' target=_blank style='color:#2F92EE;'>#蛋白翻译#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88687, encryptionId=95e78868e8b, topicName=蛋白翻译)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f378286, createdName=shalley66, createdTime=Thu Feb 22 17:23:00 CST 2018, time=2018-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2037114, encodeId=4367203e11451, content=<a href='/topic/show?id=3f366e2157c' target=_blank style='color:#2F92EE;'>#热激蛋白#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67215, encryptionId=3f366e2157c, topicName=热激蛋白)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ea13490, createdName=xqptu, createdTime=Tue May 09 14:23:00 CST 2017, time=2017-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2038097, encodeId=ad2f203809ede, content=<a href='/topic/show?id=82aa886807b' target=_blank style='color:#2F92EE;'>#蛋白组学#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88680, encryptionId=82aa886807b, topicName=蛋白组学)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/101296147/385F510BDFE0F55A4FFDFDFFD9892943/100, createdBy=a3262500163, createdName=siiner, createdTime=Thu Sep 14 16:23:00 CST 2017, time=2017-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=189748, encodeId=dd5f189e487f, content=哦,学习了。期待实质性突破。, beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLAibgOibuZnfdFE64hJHibbD6WwEgyaXx7DtibMOSicJ6JZoLEAIdAdkhDmHWO7P7OXg2tkTicZy9libryicw/0, createdBy=aa991670466, createdName=sword20000, createdTime=Sun Apr 23 00:25:02 CST 2017, time=2017-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1384657, encodeId=a02a138465e0e, content=<a href='/topic/show?id=5c74e7739f0' target=_blank style='color:#2F92EE;'>#组蛋白#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77739, encryptionId=5c74e7739f0, topicName=组蛋白)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ea13490, createdName=xqptu, createdTime=Tue Mar 28 05:23:00 CST 2017, time=2017-03-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1569284, encodeId=54ca1569284e8, content=<a href='/topic/show?id=1c562e42646' target=_blank style='color:#2F92EE;'>#修饰#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27426, encryptionId=1c562e42646, topicName=修饰)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=29c615505859, createdName=zhangyxzsh, createdTime=Tue Mar 28 05:23:00 CST 2017, time=2017-03-28, status=1, ipAttribution=)]
    2017-03-28 zhangyxzsh

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