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首页> 外文期刊>Cancer Cell >The Leukemogenic TCF3-HLF Complex Rewires Enhancers Driving Cellular Identity and Self-Renewal Conferring EP300 Vulnerability
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The Leukemogenic TCF3-HLF Complex Rewires Enhancers Driving Cellular Identity and Self-Renewal Conferring EP300 Vulnerability

机译:白血动性TCF3-HLF复合重丝旋转增强剂驾驶蜂窝身份和自我更新赋予EP300脆弱性

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摘要

The chimeric transcription factor TCF3-HLF defines an incurable acute lymphoblastic leukemia subtype. Here we decipher the regulome of endogenous TCF3-HLF and dissect its essential transcriptional components and targets by functional genomics. We demonstrate that TCF3-HLF recruits HLF binding sites at hematopoietic stem cell/myeloid lineage associated (super-) enhancers to drive lineage identity and self-renewal. Among direct targets, hijacking an HLF binding site in a MYC enhancer cluster by TCF3-HLF activates a conserved MYC-driven transformation program crucial for leukemia propagation in vivo. TCF3-HLF pioneers the cooperation with ERG and recruits histone acetyltransferase p300 (EP300), conferring susceptibility to EP300 inhibition. Our study provides a framework for targeting driving transcriptional dependencies in this fatal leukemia.
机译:嵌合转录因子TCF3-HLF定义了一种不可治愈的急性淋巴细胞白血病亚型。在这里,我们破译内源性TCF3-HLF的调控,并通过功能基因组学分析其关键转录成分和靶点。我们证明TCF3-HLF在造血干细胞/髓系相关(超级)增强子处招募HLF结合位点,以驱动谱系认同和自我更新。在直接靶点中,TCF3-HLF劫持MYC增强子簇中的HLF结合位点激活了一个保守的MYC驱动的转化程序,该程序对白血病在体内的传播至关重要。TCF3-HLF开创了与ERG的合作,并招募了组蛋白乙酰转移酶p300(EP300),赋予其对EP300抑制的敏感性。我们的研究为在这种致命的白血病中定位驱动转录依赖性提供了一个框架。

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  • 来源
    《Cancer Cell》 |2019年第6期|共24页
  • 作者单位

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Childrens Res Ctr CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Childrens Res Ctr CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Swiss Fed Inst Technol Dept Biol Inst Mol Syst Biol CH-8093 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Childrens Res Ctr CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Childrens Res Ctr CH-8032 Zurich Switzerland;

    Christian Albrecht Univ Kiel Dept Pediat D-24105 Kiel Germany;

    Hannover Med Sch Pediat Hematol &

    Oncol D-30625 Hannover Germany;

    Swiss Fed Inst Technol Dept Biol Inst Mol Syst Biol CH-8093 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Childrens Res Ctr CH-8032 Zurich Switzerland;

    Univ Childrens Hosp Zurich Div Oncol CH-8032 Zurich Switzerland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 肿瘤学;
  • 关键词

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