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Blood:创新药物MIR17PTi,miR-17-92前体抑制剂,在多发性骨髓瘤中的应用

2018-07-13 MedSci MedSci原创

MicroRNA-17-92(MiR-17-92)具有致癌性,是c-MYC(MYC)驱动的恶性肿瘤的一个极具潜力的治疗靶点。Eugenio Morelli等人开发了一种新型LNA gaomeR反义寡核苷酸(ASOs),来诱导RNase H介导降解MIR17HG初级转录本,进而抑制miR-17-92s的生成。主要的LNA-ASO(MIR17PTi)可通过靶向反义活性抑制48种实体瘤和血液瘤的癌细胞系

MicroRNA-17-92(MiR-17-92)具有致癌性,是c-MYC(MYC)驱动的恶性肿瘤的一个极具潜力的治疗靶点。Eugenio Morelli等人开发了一种新型LNA gaomeR反义寡核苷酸(ASOs),来诱导RNase H介导降解MIR17HG初级转录本,进而抑制miR-17-92s的生成。

主要的LNA-ASO(MIR17PTi)可通过靶向反义活性抑制48种实体瘤和血液瘤的癌细胞系增殖,相比miR-17-92s抑制剂效果更显著。

进一步针对多发性骨髓瘤(MM)进行研究时发现MIR17PTi可通过破坏患者来源的MM细胞的自我平衡的MYC/miR-17-92正反馈环(FFLs)来触发细胞凋亡,并诱导MYC依赖性的合成性致死。

此外,研究人员还发现在MM细胞中,以BIM为中心的FFL发生改变有助于MIR17TPi诱导细胞毒性。MIR17PTi在MM的临床相关小鼠模型(NOD-SCID小鼠)中表现出较强的抗肿瘤活性,并在非人类的灵长类动物中具有有利的安全性和药代动力学特征。

总而言之,MIR17PTi是一种新型药物,动物学实验已证实其具有抗肿瘤活性,需进一步开展临床试验评估其用于MM和其他MYC驱动的恶性肿瘤的疗效和安全性。

原始出处:

Eugenio Morelli, et al. Therapeutic vulnerability of multiple myeloma to MIR17PTi, a first-in-class inhibitor of pri-mir-17-92. Blood  2018  :blood-2018-03-836601;  doi: https://doi.org/10.1182/blood-2018-03-836601 

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    2019-03-21 jml2009
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    2018-08-01 smallant2002
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    2018-09-07 jklm09
  5. [GetPortalCommentsPageByObjectIdResponse(id=2069307, encodeId=1c85206930ece, content=<a href='/topic/show?id=5bcd1183e12' target=_blank style='color:#2F92EE;'>#miR-17-92#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11837, encryptionId=5bcd1183e12, topicName=miR-17-92)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cfa576, createdName=wfang545, createdTime=Tue Mar 26 08:57:00 CST 2019, time=2019-03-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1889923, encodeId=7fd8188992308, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Thu Mar 21 00:57:00 CST 2019, time=2019-03-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1930634, encodeId=1c2919306340a, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Wed Aug 01 13:57:00 CST 2018, time=2018-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1851747, encodeId=e6ed1851e47b6, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Fri Sep 07 22:57:00 CST 2018, time=2018-09-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1923609, encodeId=0d9f192360981, content=<a href='/topic/show?id=f9f25864447' target=_blank style='color:#2F92EE;'>#新药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58644, encryptionId=f9f25864447, topicName=新药物)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTIuNQXObUwZmFG3VcZa2uhFq27sY7vfTowUhQCgRj2bj1odUibMF4sFXpuRLf6IE5t5yGVDSiaOoOcQ/132, createdBy=1e622500088, createdName=ms1065684921169360, createdTime=Sat May 25 06:57:00 CST 2019, time=2019-05-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=332193, encodeId=f13733219356, content=学习学习谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTLbTp9nZtjwVrSZNxAXbAicnKQWnic2eBdJUQYhxO36XdkstSicr7FVF8p5ReH4omtmsbnLdvZLiaJJ1A/132, createdBy=8bff2327056, createdName=kafei, createdTime=Tue Jul 17 08:55:03 CST 2018, time=2018-07-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1285611, encodeId=a7f31285611d5, content=<a href='/topic/show?id=77903209422' target=_blank style='color:#2F92EE;'>#创新#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32094, encryptionId=77903209422, topicName=创新)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sun Jul 15 12:57:00 CST 2018, time=2018-07-15, status=1, ipAttribution=)]
  6. [GetPortalCommentsPageByObjectIdResponse(id=2069307, encodeId=1c85206930ece, content=<a href='/topic/show?id=5bcd1183e12' target=_blank style='color:#2F92EE;'>#miR-17-92#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11837, encryptionId=5bcd1183e12, topicName=miR-17-92)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cfa576, createdName=wfang545, createdTime=Tue Mar 26 08:57:00 CST 2019, time=2019-03-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1889923, encodeId=7fd8188992308, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Thu Mar 21 00:57:00 CST 2019, time=2019-03-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1930634, encodeId=1c2919306340a, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Wed Aug 01 13:57:00 CST 2018, time=2018-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1851747, encodeId=e6ed1851e47b6, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Fri Sep 07 22:57:00 CST 2018, time=2018-09-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1923609, encodeId=0d9f192360981, content=<a href='/topic/show?id=f9f25864447' target=_blank style='color:#2F92EE;'>#新药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58644, encryptionId=f9f25864447, topicName=新药物)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTIuNQXObUwZmFG3VcZa2uhFq27sY7vfTowUhQCgRj2bj1odUibMF4sFXpuRLf6IE5t5yGVDSiaOoOcQ/132, createdBy=1e622500088, createdName=ms1065684921169360, createdTime=Sat May 25 06:57:00 CST 2019, time=2019-05-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=332193, encodeId=f13733219356, content=学习学习谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTLbTp9nZtjwVrSZNxAXbAicnKQWnic2eBdJUQYhxO36XdkstSicr7FVF8p5ReH4omtmsbnLdvZLiaJJ1A/132, createdBy=8bff2327056, createdName=kafei, createdTime=Tue Jul 17 08:55:03 CST 2018, time=2018-07-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1285611, encodeId=a7f31285611d5, content=<a href='/topic/show?id=77903209422' target=_blank style='color:#2F92EE;'>#创新#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32094, encryptionId=77903209422, topicName=创新)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sun Jul 15 12:57:00 CST 2018, time=2018-07-15, status=1, ipAttribution=)]
    2018-07-17 kafei

    学习学习谢谢

    0

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