Nat Commun:Bax激动剂有望成为新一代肺癌治疗新药

2014-10-29 生物谷 生物谷

近日研究发现,一个来自德克萨斯大学跨学科的医学分支研究团队已鉴定出代表新型抗癌药物的小分子,该分子可以靶向治疗肺癌。相关文章发表在《Nature Communications》上。该项PCT专利(WO 2013028543 A1)被相关机构记录在册。 在很大程度上幸存的肺癌患者身体状况非常差是因为他们对传统肺癌治疗方法的抵抗。程序性细胞死亡或凋亡是细胞内自然的过程,而科学家们正在学习如何成功

近日研究发现,一个来自德克萨斯大学跨学科的医学分支研究团队已鉴定出代表新型抗癌药物的小分子,该分子可以靶向治疗肺癌。相关文章发表在《Nature Communications》上。该项PCT专利(WO 2013028543 A1)被相关机构记录在册。

在很大程度上幸存的肺癌患者身体状况非常差是因为他们对传统肺癌治疗方法的抵抗。程序性细胞死亡或凋亡是细胞内自然的过程,而科学家们正在学习如何成功地利用该过程来治疗癌症。细胞程序性死亡的重要阶段需要Bax分子。该研究之前已发现Bax分子丝氨酸184位点是控制细胞死亡活性的关键功能开关。因此,研究人员努力掌握如何操纵Bax分子丝氨酸184位点用来设计一种治疗癌症的新策略。

在目前的研究中,研究人员在丝氨酸184位点使用结构槽作为停泊位点用来筛选大约300000个小的药物类化合物的小分子化合物,这些小分子化合物在肺癌细胞中用来激活Bax分子并启动细胞凋亡。他们发现了三个靶向丝氨酸184位点的Bax小分子催化剂,这种催化剂激活Bax分子细胞死亡,并强有力地抑制肺癌肿瘤生长。研究人员还发现,这些治疗Bax阳性肺癌肿瘤的化合物对其附近非癌变组织没有任何毒性作用。

“这些化合物作为一种靶向治疗Bax阳性肺癌的全新类抗癌药物具有巨大的潜力。”Jia Zhou博士说,“在非癌变组织细胞中不触发细胞凋亡的条件下,它们可以在肺癌细胞中诱导高水平的细胞凋亡。”

原始出处:

Xin M, Li R, Xie M, Park D, Owonikoko TK, Sica GL, Corsino PE, Zhou J, Ding C, White MA, Magis AT, Ramalingam SS, Curran WJ, Khuri FR, Deng X.Small-molecule Bax agonists for cancer therapy. Nat Commun. 2014 Sep 17;5:4935. 

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    2014-11-17 liye789132251
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    2015-08-09 lvygwyt2781
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    2015-05-29 liuli5079
  5. [GetPortalCommentsPageByObjectIdResponse(id=1880340, encodeId=4942188034096, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Mon Nov 17 04:10:00 CST 2014, time=2014-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1734844, encodeId=4bae1e34844bc, content=<a href='/topic/show?id=eb82822328e' target=_blank style='color:#2F92EE;'>#肺癌治疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=82232, encryptionId=eb82822328e, topicName=肺癌治疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=267533842346, createdName=马龙, createdTime=Tue Jun 09 04:10:00 CST 2015, time=2015-06-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2069190, encodeId=c6c4206919091, content=<a href='/topic/show?id=85e332337d' target=_blank style='color:#2F92EE;'>#BAX#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3233, encryptionId=85e332337d, topicName=BAX)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=947269, createdName=lvygwyt2781, createdTime=Sun Aug 09 22:10:00 CST 2015, time=2015-08-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2086734, encodeId=ca792086e3470, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Fri May 29 06:10:00 CST 2015, time=2015-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=12797, encodeId=d4a812e97af, content=肺癌病人有了新的希望, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7ceOChkqicg6SzjqymjoEtLx55A9HNpmV1quNDdicpmTPZp1WXCq35u64iaCjRhibmrEPN5JHdvOZt9Ajj4MxzLbJ9/0, createdBy=ddf3111026, createdName=jawel, createdTime=Thu Nov 27 22:17:00 CST 2014, time=2014-11-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627724, encodeId=990a162e72462, content=<a href='/topic/show?id=ab4f66e8913' target=_blank style='color:#2F92EE;'>#激动剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=66789, encryptionId=ab4f66e8913, topicName=激动剂)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=95bc21134754, createdName=medscijoin, createdTime=Fri Oct 31 00:10:00 CST 2014, time=2014-10-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=12377, encodeId=2ba0123e7ca, content=是不是肺癌病人有了新的希望, beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a6a1604604, createdName=Gsurgeon, createdTime=Thu Oct 30 08:57:00 CST 2014, time=2014-10-30, status=1, ipAttribution=)]
    2014-11-27 jawel

    肺癌病人有了新的希望

    0

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    2014-10-30 Gsurgeon

    是不是肺癌病人有了新的希望

    0

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