Blood:新型CRBN E3连接酶调节剂CC-90009,靶向促进白血病干细胞凋亡

2020-12-10 MedSci原创 MedSci原创

在该研究中,Christine等鉴定了一种一流的GSPT1选择性脑蛋白E3连接酶调节剂CC-90009。

中心点:

CC-90009选择性降解GSPT1,可导致急性AML细胞凋亡,并消除疾病来源的LSC。

CC-90009的抗AML活性受ILF2/ILF3复合物、mTOR信号通路和综合应激反应通路的调控。

 

通过将CUL4-DDB1-CRBN-RBX1(CRL4CRBN)E3泛素连接酶复合物与分子胶降解剂进行再利用以消除致病蛋白,已经开发出许多临床有效的药物。

在该研究中,Christine等鉴定了一种一流的GSPT1选择性脑蛋白E3连接酶调节剂CC-90009。

生化、结构和分子表征表明,CC-90009与CRL4CRBN结合,可选择性靶向GSPT1进行泛素化和蛋白酶体降解用CC-90009耗竭GSPT1可迅速诱导ANL细胞凋亡,减少原发患者的白血病植入和白血病干细胞(LSC)

通过全基因组CRISPR-Cas9筛选CC-90009反应的效应分子,研究人员发现,ILF2和ILF3异二聚体复合物是一种新的脑蛋白表达调节因子。敲除ILF2/ILF3基因可通过调节CRBN mRNA的选择性剪接减少全长脑蛋白的产生,导致个体对CC-90009的反应减弱

此外,与其他脑蛋白调节剂不同,mTOR信号和综合应激反应对CC-90009的反应还具有特异性调节作用。TSC1和TSC2失活可抑制CC-90009的生长抑制作用,从而降低了CC-90009诱导的GSPT1与CRBN结合和随后GSPT1降解,从而避免mTOR通路过度激活

另一方面,GSPT1降解促进了AML细胞GCN1/GCN2/ATF4通路的激活和随后的细胞凋亡。

总体而言,CC-90009的活性是由AML和LSC内的多重信号网络通路介导的,该研究为进一步评估CC-90009的临床应用提供了思路

原始出处:

Surka Christine,Jin Liqing,Mbong Nathan et al. CC-90009, a novel cereblon E3 ligase modulator targets acute myeloid leukemia blasts and leukemia stem cells. Blood, 2020,10.1182/blood.2020008676.

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    2021-06-05 listen318
  5. [GetPortalCommentsPageByObjectIdResponse(id=2023416, encodeId=570a2023416a1, content=<a href='/topic/show?id=16639453872' target=_blank style='color:#2F92EE;'>#连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94538, encryptionId=16639453872, topicName=连接酶)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5c0050, createdName=lishiwen, createdTime=Sun May 09 01:33:47 CST 2021, time=2021-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2030530, encodeId=0c9d203053056, content=<a href='/topic/show?id=b602640e6e' target=_blank style='color:#2F92EE;'>#E3连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6407, encryptionId=b602640e6e, topicName=E3连接酶)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/22AEC2EC4805C29C6E1DEE6D888DB41C/100, createdBy=7a322500193, createdName=ms1779634646866130, createdTime=Fri Jun 18 07:33:47 CST 2021, time=2021-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1695507, encodeId=95c0169550e3c, content=<a href='/topic/show?id=0833e178149' target=_blank style='color:#2F92EE;'>#白血病干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71781, encryptionId=0833e178149, topicName=白血病干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=945229811725, createdName=freve, createdTime=Sun Feb 21 03:33:47 CST 2021, time=2021-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943571, encodeId=a34b19435e119, content=<a href='/topic/show?id=17f15192ab' target=_blank style='color:#2F92EE;'>#Crbn#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5192, encryptionId=17f15192ab, topicName=Crbn)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d17305, createdName=listen318, createdTime=Sat Jun 05 10:33:47 CST 2021, time=2021-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025531, encodeId=aeb61025531b2, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Sun Dec 13 15:33:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1340321, encodeId=1fc4134032199, content=<a href='/topic/show?id=bd5ce780493' target=_blank style='color:#2F92EE;'>#细胞凋亡#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77804, encryptionId=bd5ce780493, topicName=细胞凋亡)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/EFCEF19303EB52B3F41B30C45995AF2C/100, createdBy=8e712500159, createdName=ms8538335253054589, createdTime=Sat Dec 12 06:33:47 CST 2020, time=2020-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906845, encodeId=330b9068453a, content=赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220109/a91135a444374d4f8e4806c5f642b48d/00bdaaa0fa3a4c3f88477c67e48d15d1.jpg, createdBy=b0b45296453, createdName=ms20000019, createdTime=Thu Dec 10 21:28:58 CST 2020, time=2020-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906800, encodeId=0b4b90680005, content=希望挺好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3cf32949944, createdName=938641834, createdTime=Thu Dec 10 18:32:26 CST 2020, time=2020-12-10, status=1, ipAttribution=)]
    2020-12-13 独孤立克

    干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2023416, encodeId=570a2023416a1, content=<a href='/topic/show?id=16639453872' target=_blank style='color:#2F92EE;'>#连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94538, encryptionId=16639453872, topicName=连接酶)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5c0050, createdName=lishiwen, createdTime=Sun May 09 01:33:47 CST 2021, time=2021-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2030530, encodeId=0c9d203053056, content=<a href='/topic/show?id=b602640e6e' target=_blank style='color:#2F92EE;'>#E3连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6407, encryptionId=b602640e6e, topicName=E3连接酶)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/22AEC2EC4805C29C6E1DEE6D888DB41C/100, createdBy=7a322500193, createdName=ms1779634646866130, createdTime=Fri Jun 18 07:33:47 CST 2021, time=2021-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1695507, encodeId=95c0169550e3c, content=<a href='/topic/show?id=0833e178149' target=_blank style='color:#2F92EE;'>#白血病干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71781, encryptionId=0833e178149, topicName=白血病干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=945229811725, createdName=freve, createdTime=Sun Feb 21 03:33:47 CST 2021, time=2021-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943571, encodeId=a34b19435e119, content=<a href='/topic/show?id=17f15192ab' target=_blank style='color:#2F92EE;'>#Crbn#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5192, encryptionId=17f15192ab, topicName=Crbn)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d17305, createdName=listen318, createdTime=Sat Jun 05 10:33:47 CST 2021, time=2021-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025531, encodeId=aeb61025531b2, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Sun Dec 13 15:33:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1340321, encodeId=1fc4134032199, content=<a href='/topic/show?id=bd5ce780493' target=_blank style='color:#2F92EE;'>#细胞凋亡#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77804, encryptionId=bd5ce780493, topicName=细胞凋亡)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/EFCEF19303EB52B3F41B30C45995AF2C/100, createdBy=8e712500159, createdName=ms8538335253054589, createdTime=Sat Dec 12 06:33:47 CST 2020, time=2020-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906845, encodeId=330b9068453a, content=赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220109/a91135a444374d4f8e4806c5f642b48d/00bdaaa0fa3a4c3f88477c67e48d15d1.jpg, createdBy=b0b45296453, createdName=ms20000019, createdTime=Thu Dec 10 21:28:58 CST 2020, time=2020-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906800, encodeId=0b4b90680005, content=希望挺好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3cf32949944, createdName=938641834, createdTime=Thu Dec 10 18:32:26 CST 2020, time=2020-12-10, status=1, ipAttribution=)]
  7. [GetPortalCommentsPageByObjectIdResponse(id=2023416, encodeId=570a2023416a1, content=<a href='/topic/show?id=16639453872' target=_blank style='color:#2F92EE;'>#连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94538, encryptionId=16639453872, topicName=连接酶)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5c0050, createdName=lishiwen, createdTime=Sun May 09 01:33:47 CST 2021, time=2021-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2030530, encodeId=0c9d203053056, content=<a href='/topic/show?id=b602640e6e' target=_blank style='color:#2F92EE;'>#E3连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6407, encryptionId=b602640e6e, topicName=E3连接酶)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/22AEC2EC4805C29C6E1DEE6D888DB41C/100, createdBy=7a322500193, createdName=ms1779634646866130, createdTime=Fri Jun 18 07:33:47 CST 2021, time=2021-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1695507, encodeId=95c0169550e3c, content=<a href='/topic/show?id=0833e178149' target=_blank style='color:#2F92EE;'>#白血病干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71781, encryptionId=0833e178149, topicName=白血病干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=945229811725, createdName=freve, createdTime=Sun Feb 21 03:33:47 CST 2021, time=2021-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943571, encodeId=a34b19435e119, content=<a href='/topic/show?id=17f15192ab' target=_blank style='color:#2F92EE;'>#Crbn#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5192, encryptionId=17f15192ab, topicName=Crbn)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d17305, createdName=listen318, createdTime=Sat Jun 05 10:33:47 CST 2021, time=2021-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025531, encodeId=aeb61025531b2, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Sun Dec 13 15:33:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1340321, encodeId=1fc4134032199, content=<a href='/topic/show?id=bd5ce780493' target=_blank style='color:#2F92EE;'>#细胞凋亡#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77804, encryptionId=bd5ce780493, topicName=细胞凋亡)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/EFCEF19303EB52B3F41B30C45995AF2C/100, createdBy=8e712500159, createdName=ms8538335253054589, createdTime=Sat Dec 12 06:33:47 CST 2020, time=2020-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906845, encodeId=330b9068453a, content=赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220109/a91135a444374d4f8e4806c5f642b48d/00bdaaa0fa3a4c3f88477c67e48d15d1.jpg, createdBy=b0b45296453, createdName=ms20000019, createdTime=Thu Dec 10 21:28:58 CST 2020, time=2020-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906800, encodeId=0b4b90680005, content=希望挺好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3cf32949944, createdName=938641834, createdTime=Thu Dec 10 18:32:26 CST 2020, time=2020-12-10, status=1, ipAttribution=)]
    2020-12-10 ms20000019

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=2023416, encodeId=570a2023416a1, content=<a href='/topic/show?id=16639453872' target=_blank style='color:#2F92EE;'>#连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94538, encryptionId=16639453872, topicName=连接酶)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5c0050, createdName=lishiwen, createdTime=Sun May 09 01:33:47 CST 2021, time=2021-05-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2030530, encodeId=0c9d203053056, content=<a href='/topic/show?id=b602640e6e' target=_blank style='color:#2F92EE;'>#E3连接酶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6407, encryptionId=b602640e6e, topicName=E3连接酶)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/22AEC2EC4805C29C6E1DEE6D888DB41C/100, createdBy=7a322500193, createdName=ms1779634646866130, createdTime=Fri Jun 18 07:33:47 CST 2021, time=2021-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1695507, encodeId=95c0169550e3c, content=<a href='/topic/show?id=0833e178149' target=_blank style='color:#2F92EE;'>#白血病干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71781, encryptionId=0833e178149, topicName=白血病干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=945229811725, createdName=freve, createdTime=Sun Feb 21 03:33:47 CST 2021, time=2021-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943571, encodeId=a34b19435e119, content=<a href='/topic/show?id=17f15192ab' target=_blank style='color:#2F92EE;'>#Crbn#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5192, encryptionId=17f15192ab, topicName=Crbn)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d17305, createdName=listen318, createdTime=Sat Jun 05 10:33:47 CST 2021, time=2021-06-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025531, encodeId=aeb61025531b2, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Sun Dec 13 15:33:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1340321, encodeId=1fc4134032199, content=<a href='/topic/show?id=bd5ce780493' target=_blank style='color:#2F92EE;'>#细胞凋亡#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77804, encryptionId=bd5ce780493, topicName=细胞凋亡)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/EFCEF19303EB52B3F41B30C45995AF2C/100, createdBy=8e712500159, createdName=ms8538335253054589, createdTime=Sat Dec 12 06:33:47 CST 2020, time=2020-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906845, encodeId=330b9068453a, content=赞, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220109/a91135a444374d4f8e4806c5f642b48d/00bdaaa0fa3a4c3f88477c67e48d15d1.jpg, createdBy=b0b45296453, createdName=ms20000019, createdTime=Thu Dec 10 21:28:58 CST 2020, time=2020-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=906800, encodeId=0b4b90680005, content=希望挺好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3cf32949944, createdName=938641834, createdTime=Thu Dec 10 18:32:26 CST 2020, time=2020-12-10, status=1, ipAttribution=)]
    2020-12-10 938641834

    希望挺好的

    0

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