Oncotarget:科学家在急性B淋系白血病个性化药物筛选取得进展

2017-12-19 吴迪 广州生物院

中国科学院广州生物医药与健康研究院李鹏研究组在国际学术期刊Oncotarget上发表题为 “Defined,serum/feeder-free conditions for expansion and drug screening of primary B-acute lymphoblastic leukemia”的研究成果,揭示了MSCs(mesenchymal stem cells)促进B型急

中国科学院广州生物医药与健康研究院李鹏研究组在国际学术期刊Oncotarget上发表题为 “Defined,serum/feeder-free conditions for expansion and drug screening of primary B-acute lymphoblastic leukemia”的研究成果,揭示了MSCs(mesenchymal stem cells)促进B型急性淋巴细胞白血病(B-ALL, B Acute lymphoblastic leukemia)细胞生长的深层机制,以此确立了原代B-ALL细胞体外培养体系,建立了个性化的药物高通量筛选平台。

对化合物进行功能性筛选是B-ALL合理治疗方法发展的主要障碍。同时,由于细胞系在体外容易产生基因、表型漂移和丢失异质性,其作为药物筛选主流模型的可信性也受到了质疑。因此,解决原代细胞在体外培养和扩增困难的问题刻不容缓。

该研究发现,OP9细胞,而非OP9来源的脂肪细胞,能够促进B-ALL原代细胞的体外生长,并通过RNA-Seq分析确定了支持这些细胞在体外生长的主要成分,据此建立了一种无血清培养体系FI76V。利用此体系可在体外培养和扩增一系列临床常见的原代细胞,且保持这些细胞最初的生物学特性。同时,研究人员基于此体系建立了一种高通量药物筛选平台,对378种激酶抑制剂进行筛选后,找到能在体外有效杀伤B-ALL细胞的17种激酶抑制剂。同时,该研究也以此验证了dinaciclib和BTG226联合用药治疗B-ALL白血病的有效性。

该项目获得中科院干细胞先导、国家自然科学基金、广东省自然科学杰出青年基金等项目的资助。

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    2018-11-24 仁医06
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    2017-12-22 天涯183

    非常好的文章.学习了

    0

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  5. [GetPortalCommentsPageByObjectIdResponse(id=1795497, encodeId=937f1e9549796, content=<a href='/topic/show?id=248e1e1345b' target=_blank style='color:#2F92EE;'>#target#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17134, encryptionId=248e1e1345b, topicName=target)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Sat Nov 24 16:21:00 CST 2018, time=2018-11-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1679340, encodeId=d5f516e9340fe, content=<a href='/topic/show?id=59f58e834a0' target=_blank style='color:#2F92EE;'>#药物筛选#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=87834, encryptionId=59f58e834a0, topicName=药物筛选)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c37927754929, createdName=hunizi014, createdTime=Mon Aug 06 13:21:00 CST 2018, time=2018-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=271545, encodeId=b0752e1545bc, content=非常好的文章.学习了, 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/NUyjXTCJjo7LIiaRZTzJ3SEfiauCzTMPW7YvPPYLNJBXG9oh6Al1icq2VQQkIHWxqXehcicTS62YKJVBhxeth3wggw/0, createdBy=7ce01621306, createdName=天涯183, createdTime=Fri Dec 22 15:35:45 CST 2017, time=2017-12-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1584389, encodeId=5015158438921, content=<a href='/topic/show?id=9bbee5948f0' target=_blank style='color:#2F92EE;'>#筛选#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75948, encryptionId=9bbee5948f0, topicName=筛选)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=39da17047364, createdName=ms6747015003810650, createdTime=Thu Dec 21 04:21:00 CST 2017, time=2017-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=270667, encodeId=86792e0667a6, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Tue Dec 19 17:21:09 CST 2017, time=2017-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=270658, encodeId=53d72e0658da, content=非常好的文章.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7LIiaRZTzJ3SEfiauCzTMPW7YvPPYLNJBXG9oh6Al1icq2VQQkIHWxqXehcicTS62YKJVBhxeth3wggw/0, createdBy=7ce01621306, createdName=天涯183, createdTime=Tue Dec 19 16:16:49 CST 2017, time=2017-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=270635, encodeId=afdf2e06350a, content=优质资源.共同学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K0LqDY57Aia0TOQByoJhNt3icm4sfukp500hLH6RHOpFdV01NbECtAV7s0qKpQPibyRukQAwAmqJU3X/0, createdBy=f91f1928792, createdName=九九消寒, createdTime=Tue Dec 19 13:33:22 CST 2017, time=2017-12-19, status=1, ipAttribution=)]
    2017-12-19 1ddf0692m34(暂无匿称)

    学习了.涨知识

    0

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    2017-12-19 天涯183

    非常好的文章.学习了

    0

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    2017-12-19 九九消寒

    优质资源.共同学习

    0

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