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The whole-genome landscape of medulloblastoma subtypes

机译:髓母细胞瘤亚型的全基因组格局

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摘要

Current therapies for medulloblastoma, a highly malignant childhood brain tumour, impose debilitating effects on the developing child, and highlight the need for molecularly targeted treatments with reduced toxicity. Previous studies have been unable to identify the full spectrum of driver genes and molecular processes that operate in medulloblastoma subgroups. Here we analyse the somatic landscape across 491 sequenced medulloblastoma samples and the molecular heterogeneity among 1,256 epigenetically analysed cases, and identify subgroup-specific driver alterations that include previously undiscovered actionable targets. Driver mutations were confidently assigned to most patients belonging to Group 3 and Group 4 medulloblastoma subgroups, greatly enhancing previous knowledge. New molecular subtypes were differentially enriched for specific driver events, including hotspot in-frame insertions that target KBTBD4 and 'enhancer hijacking' events that activate PRDM6. Thus, the application of integrative genomics to an extensive cohort of clinical samples derived from a single childhood cancer entity revealed a series of cancer genes and biologically relevant subtype diversity that represent attractive therapeutic targets for the treatment of patients with medulloblastoma.
机译:髓母细胞瘤(一种高度恶性的儿童期脑瘤)的当前疗法对正在发育的儿童产生使人衰弱的作用,并突出显示了对降低毒性的分子靶向治疗的需求。先前的研究无法确定在成髓细胞瘤亚组中起作用的驱动基因和分子过程的全部范围。在这里,我们分析了491个测序的髓母细胞瘤样品中的体细胞景观以及1,256个表观遗传学分析病例中的分子异质性,并确定了亚组特异的驱动程序改变,其中包括先前未发现的可操作靶标。对于属于第3组和第4组髓母细胞瘤亚组的大多数患者,可以肯定地为驾驶员分配了突变,极大地增强了以往的知识。新的分子亚型针对特定的驱动事件进行了差异富集,包括针对KBTBD4的热点框内插入和激活PRDM6的“增强劫持”事件。因此,将整合基因组学应用于源自单个儿童期癌症实体的大量临床样品中,揭示了一系列癌症基因和生物学相关的亚型多样性,它们代表了治疗成髓细胞瘤患者的有吸引力的治疗靶标。

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  • 来源
    《Nature》 |2017年第7663期|311-317|共7页
  • 作者单位

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|St Jude Childrens Res Hosp, Dept Dev Neurobiol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|German Canc Res Ctr, Div Appl Bioinformat, Heidelberg, Germany|Heidelberg Univ, Inst Pharm & Mol Biotechnol IPMB & BioQuant, Dept Bioinformat & Funct Gen, Heidelberg, Germany;

    Hosp Sick Children, Dev & Stem Cell Biol Program, Toronto, ON, Canada;

    German Canc Res Ctr, Div Mol Genet, Heidelberg, Germany;

    Univ Copenhagen, BRIC, Copenhagen, Denmark|Finsen Lab, Rigshosp, Copenhagen, Denmark;

    MIT, Dept Biochem Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    EMBL, Genome Biol Unit, Heidelberg, Germany;

    EMBL, Genome Biol Unit, Heidelberg, Germany;

    St Jude Childrens Res Hosp, Dept Dev Neurobiol, 332 N Lauderdale St, Memphis, TN 38105 USA|EMBL, Genome Biol Unit, Heidelberg, Germany;

    Max Planck Inst Mol Genet, Dept Vertebrate Gen, Berlin, Germany;

    Univ Copenhagen, BRIC, Copenhagen, Denmark;

    St Jude Childrens Res Hosp, Dept Biol Struct, 332 N Lauderdale St, Memphis, TN 38105 USA;

    Broad Inst Harvard, Cambridge, MA USA|MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany;

    EMBL, Genome Biol Unit, Heidelberg, Germany;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|EMBL, Genome Biol Unit, Heidelberg, Germany;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    German Canc Res Ctr, Div Mol Genet, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    German Canc Res Ctr, Div Appl Bioinformat, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|German Canc Res Ctr, Heidelberg Ctr Personalized Oncol DKFZ HIPO, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|Heidelberg Univ, Med Fac Heidelberg, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|Heidelberg Univ, Inst Pharm & Mol Biotechnol IPMB & BioQuant, Dept Bioinformat & Funct Gen, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|German Canc Res Ctr, Heidelberg Ctr Personalized Oncol DKFZ HIPO, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|German Canc Res Ctr, Heidelberg Ctr Personalized Oncol DKFZ HIPO, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany;

    German Canc Res Ctr, Div Appl Bioinformat, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany;

    Heidelberg Univ, Inst Pharm & Mol Biotechnol IPMB & BioQuant, Dept Bioinformat & Funct Gen, Heidelberg, Germany|Heidelberg Hosp Univ, Dept Pediat Hematol & Oncol, Heidelberg, Germany;

    Max Planck Inst Mol Genet, Dept Vertebrate Gen, Berlin, Germany;

    Max Planck Inst Mol Genet, Dept Vertebrate Gen, Berlin, Germany;

    German Canc Res Ctr, Div Mol Genet, Heidelberg, Germany;

    Finsen Lab, Rigshosp, Copenhagen, Denmark|German Canc Res Ctr, Gen & Prote Core Facil, Heidelberg, Germany;

    St Jude Childrens Res Hosp, Dept Oncol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    St Jude Childrens Res Hosp, Dept Computat Biol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    St Jude Childrens Res Hosp, Dept Computat Biol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    St Jude Childrens Res Hosp, Dept Computat Biol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    St Jude Childrens Res Hosp, Dept Computat Biol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    Hosp Sick Children, Dev & Stem Cell Biol Program, Toronto, ON, Canada;

    Hosp Sick Children, Dev & Stem Cell Biol Program, Toronto, ON, Canada;

    Hosp Sick Children, Dev & Stem Cell Biol Program, Toronto, ON, Canada;

    Hosp Sick Children, Dev & Stem Cell Biol Program, Toronto, ON, Canada;

    Amsterdam Med Ctr, Dept Oncogen, Amsterdam, Netherlands;

    NN Burdenko Inst Neurosurg, Dept Neuropathol, Moscow, Russia;

    Oregon Hlth & Sci Univ, Knight Canc Inst, Pape Family Pediat Res Inst, Dept Pediat, Portland, OR 97201 USA;

    Boston Childrens Hosp, Dept Neurol, Boston, MA USA|Harvard Med Sch, Boston, MA USA;

    Heidelberg Univ, Univ Clin, Heidelberg Hosp, Dept Neurosurg, Heidelberg, Germany;

    Univ Tubingen Hosp, Dept Neurosurg, Tubingen, Germany;

    Childrens Univ Hosp Tubingen, Dept Hematol & Oncol, Tubingen, Germany;

    Univ Calif Los Angeles, David Geffen Sch Med, Dept Neurosurg, Los Angeles, CA 90095 USA;

    Hosp San Juan Dios, Dev Tumor Biol Lab, Barcelona, Spain;

    Duke Univ, Dept Pathol, Durham, NC 27706 USA;

    McGill Univ, Dept Pediat, Montreal, PQ, Canada;

    Kitasato Univ, Sch Med, Dept Neurosurg, Sagamihara, Kanagawa, Japan;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    Heidelberg Hosp Univ, Dept Pediat Hematol & Oncol, Heidelberg, Germany;

    Heidelberg Hosp Univ, Dept Pediat Hematol & Oncol, Heidelberg, Germany;

    Univ Heidelberg Hosp, Dept Neuropathol, Heidelberg, Germany;

    Univ Heidelberg Hosp, Dept Neuropathol, Heidelberg, Germany;

    Univ Heidelberg Hosp, Dept Neuropathol, Heidelberg, Germany;

    Max Planck Inst Mol Genet, Dept Vertebrate Gen, Berlin, Germany;

    St Jude Childrens Res Hosp, Dept Biol Struct, 332 N Lauderdale St, Memphis, TN 38105 USA;

    St Jude Childrens Res Hosp, Dept Oncol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    St Jude Childrens Res Hosp, Dept Computat Biol, 332 N Lauderdale St, Memphis, TN 38105 USA;

    Broad Inst Harvard, Cambridge, MA USA|MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA;

    MIT, Dept Biochem Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA;

    EMBL, Genome Biol Unit, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|German Canc Res Ctr, Div Appl Bioinformat, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany;

    German Canc Res Ctr, Div Theoret Bioinformat, Heidelberg, Germany|Heidelberg Univ, Inst Pharm & Mol Biotechnol IPMB & BioQuant, Dept Bioinformat & Funct Gen, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

    BC Canc Agcy, Michael Smith Genome Sci Ctr, Vancouver, BC, Canada;

    German Canc Res Ctr, Div Pediat Neurooncol, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany|Heidelberg Hosp Univ, Dept Pediat Hematol & Oncol, Heidelberg, Germany;

    Hosp Sick Children, Dev & Stem Cell Biol Program, Toronto, ON, Canada|Hosp Sick Children, Div Neurosurg, Toronto, ON, Canada;

    German Canc Res Ctr, Div Mol Genet, Heidelberg, Germany|German Canc Consortium DKTK, Heidelberg, Germany;

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