Genetic and Functional Drivers of Diffuse Large B Cell Lymphoma.

Genetic and Functional Drivers of Diffuse Large B Cell Lymphoma.
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DOI:
10.1016/j.cell.2017.09.027
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发表时间:
2017-10-05
期刊:
影响因子:
64.5
通讯作者:
Dave SS
Dave SS
中科院分区:
生物学1区
文献类型:
--
作者:
Reddy A;Zhang J;Davis NS;Moffitt AB;Love CL;Waldrop A;Leppa S;Pasanen A;Meriranta L;Karjalainen-Lindsberg ML;Nørgaard P;Pedersen M;Gang AO;Høgdall E;Heavican TB;Lone W;Iqbal J;Qin Q;Li G;Kim SY;Healy J;Richards KL;Fedoriw Y;Bernal-Mizrachi L;Koff JL;Staton AD;Flowers CR;Paltiel O;Goldschmidt N;Calaminici M;Clear A;Gribben J;Nguyen E;Czader MB;Ondrejka SL;Collie A;Hsi ED;Tse E;Au-Yeung RKH;Kwong YL;Srivastava G;Choi WWL;Evens AM;Pilichowska M;Sengar M;Reddy N;Li S;Chadburn A;Gordon LI;Jaffe ES;Levy S;Rempel R;Tzeng T;Happ LE;Dave T;Rajagopalan D;Datta J;Dunson DB;Dave SS

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弥漫性大B细胞淋巴瘤(DLBCL)是最常见的血癌形式,其特征在于显著程度的遗传和临床异质性。这种异质性对理解疾病的遗传基础及其对治疗的反应构成了主要障碍。在这里,我们对1001例DLBCL患者的全外显子组测序和转录组测序进行了综合分析,以全面定义该疾病的150种遗传驱动因素。我们使用DLBCL细胞系的无偏CRISPR筛选来表征这些基因的功能影响,以定义促进细胞生长的癌基因。包括这些遗传改变的预后模型优于目前建立的方法:细胞来源,包括临床变量的国际预后指数,以及双重MYC和BCL 2表达。这些结果全面定义了DLBCL中的遗传驱动因素及其功能作用,以确定该疾病的新治疗机会。在1001名新诊断的DLBCL患者中进行的综合分析使用DLBCL细胞系中的无偏倚CRISPR筛选确定了150种具有功能表征的遗传驱动因素,并与临床结果相关联。
Diffuse large B cell lymphoma (DLBCL) is the most common form of blood cancer and is characterized by a striking degree of genetic and clinical heterogeneity. This heterogeneity poses a major barrier to understanding the genetic basis of the disease and its response to therapy. Here, we performed an integrative analysis of whole exome sequencing and transcriptome sequencing in a cohort of 1001 DLBCL patients to comprehensively define the landscape of 150 genetic drivers of the disease. We characterized the functional impact of these genes using an unbiased CRISPR screen of DLBCL cell lines to define oncogenes that promote cell growth. A prognostic model comprising these genetic alterations outperformed current established methods: cell of origin, the International Prognostic Index comprising clinical variables, and dual MYC and BCL2 expression. These results comprehensively define the genetic drivers and their functional roles in DLBCL to identify new therapeutic opportunities in the disease. An integrative analysis in 1001 newly-diagnosed DLBCL patients identifies 150 genetic drivers with functional characterization using an unbiased CRISPR screen in DLBCL cell lines, and connects with clinical outcome.
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