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  • Antigens, CD/genetics/metabolism  (1)
  • Antigens, CD274  (1)
  • Chromatin/genetics/metabolism  (1)
  • Chromatin/chemistry/genetics/metabolism
  • Nature Publishing Group (NPG)  (2)
  • 2010-2014  (2)
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  • Nature Publishing Group (NPG)  (2)
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  • 1
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    MHC class II transactivator CIITA is a recurrent gene fusion partner in lymphoid cancers (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-03-04
    Description: Chromosomal translocations are critically involved in the molecular pathogenesis of B-cell lymphomas, and highly recurrent and specific rearrangements have defined distinct molecular subtypes linked to unique clinicopathological features. In contrast, several well-characterized lymphoma entities still lack disease-defining translocation events. To identify novel fusion transcripts resulting from translocations, we investigated two Hodgkin lymphoma cell lines by whole-transcriptome paired-end sequencing (RNA-seq). Here we show a highly expressed gene fusion involving the major histocompatibility complex (MHC) class II transactivator CIITA (MHC2TA) in KM-H2 cells. In a subsequent evaluation of 263 B-cell lymphomas, we also demonstrate that genomic CIITA breaks are highly recurrent in primary mediastinal B-cell lymphoma (38%) and classical Hodgkin lymphoma (cHL) (15%). Furthermore, we find that CIITA is a promiscuous partner of various in-frame gene fusions, and we report that CIITA gene alterations impact survival in primary mediastinal B-cell lymphoma (PMBCL). As functional consequences of CIITA gene fusions, we identify downregulation of surface HLA class II expression and overexpression of ligands of the receptor molecule programmed cell death 1 (CD274/PDL1 and CD273/PDL2). These receptor-ligand interactions have been shown to impact anti-tumour immune responses in several cancers, whereas decreased MHC class II expression has been linked to reduced tumour cell immunogenicity. Thus, our findings suggest that recurrent rearrangements of CIITA may represent a novel genetic mechanism underlying tumour-microenvironment interactions across a spectrum of lymphoid cancers.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902849/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902849/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steidl, Christian -- Shah, Sohrab P -- Woolcock, Bruce W -- Rui, Lixin -- Kawahara, Masahiro -- Farinha, Pedro -- Johnson, Nathalie A -- Zhao, Yongjun -- Telenius, Adele -- Neriah, Susana Ben -- McPherson, Andrew -- Meissner, Barbara -- Okoye, Ujunwa C -- Diepstra, Arjan -- van den Berg, Anke -- Sun, Mark -- Leung, Gillian -- Jones, Steven J -- Connors, Joseph M -- Huntsman, David G -- Savage, Kerry J -- Rimsza, Lisa M -- Horsman, Douglas E -- Staudt, Louis M -- Steidl, Ulrich -- Marra, Marco A -- Gascoyne, Randy D -- 178536/Canadian Institutes of Health Research/Canada -- R00 CA131503/CA/NCI NIH HHS/ -- R00CA131503/CA/NCI NIH HHS/ -- T32 GM007288/GM/NIGMS NIH HHS/ -- England -- Nature. 2011 Mar 17;471(7338):377-81. doi: 10.1038/nature09754. Epub 2011 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Laboratory Medicine, Centre for Lymphoid Cancers and the Centre for Translational and Applied Genomics, Vancouver, British Columbia, V5Z4E6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21368758" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, CD/genetics/metabolism ; Antigens, CD274 ; Antigens, CD80/genetics/metabolism ; Base Sequence ; Cell Line, Tumor ; Chromosome Breakpoints ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Hodgkin Disease/genetics ; Humans ; In Situ Hybridization, Fluorescence ; Jurkat Cells ; Lymphocyte Activation ; Lymphoma, B-Cell/*genetics ; Molecular Sequence Data ; Nuclear Proteins/*genetics ; Oncogene Proteins, Fusion/*genetics ; Programmed Cell Death 1 Ligand 2 Protein ; RNA, Neoplasm/genetics ; T-Lymphocytes/immunology/metabolism/pathology ; Tissue Array Analysis ; Trans-Activators/*genetics ; Translocation, Genetic/*genetics ; Tumor Microenvironment
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Frequent mutation of histone-modifying genes in non-Hodgkin lymphoma (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-07-29
    Description: Follicular lymphoma (FL) and diffuse large B-cell lymphoma (DLBCL) are the two most common non-Hodgkin lymphomas (NHLs). Here we sequenced tumour and matched normal DNA from 13 DLBCL cases and one FL case to identify genes with mutations in B-cell NHL. We analysed RNA-seq data from these and another 113 NHLs to identify genes with candidate mutations, and then re-sequenced tumour and matched normal DNA from these cases to confirm 109 genes with multiple somatic mutations. Genes with roles in histone modification were frequent targets of somatic mutation. For example, 32% of DLBCL and 89% of FL cases had somatic mutations in MLL2, which encodes a histone methyltransferase, and 11.4% and 13.4% of DLBCL and FL cases, respectively, had mutations in MEF2B, a calcium-regulated gene that cooperates with CREBBP and EP300 in acetylating histones. Our analysis suggests a previously unappreciated disruption of chromatin biology in lymphomagenesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3210554/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3210554/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morin, Ryan D -- Mendez-Lago, Maria -- Mungall, Andrew J -- Goya, Rodrigo -- Mungall, Karen L -- Corbett, Richard D -- Johnson, Nathalie A -- Severson, Tesa M -- Chiu, Readman -- Field, Matthew -- Jackman, Shaun -- Krzywinski, Martin -- Scott, David W -- Trinh, Diane L -- Tamura-Wells, Jessica -- Li, Sa -- Firme, Marlo R -- Rogic, Sanja -- Griffith, Malachi -- Chan, Susanna -- Yakovenko, Oleksandr -- Meyer, Irmtraud M -- Zhao, Eric Y -- Smailus, Duane -- Moksa, Michelle -- Chittaranjan, Suganthi -- Rimsza, Lisa -- Brooks-Wilson, Angela -- Spinelli, John J -- Ben-Neriah, Susana -- Meissner, Barbara -- Woolcock, Bruce -- Boyle, Merrill -- McDonald, Helen -- Tam, Angela -- Zhao, Yongjun -- Delaney, Allen -- Zeng, Thomas -- Tse, Kane -- Butterfield, Yaron -- Birol, Inanc -- Holt, Rob -- Schein, Jacqueline -- Horsman, Douglas E -- Moore, Richard -- Jones, Steven J M -- Connors, Joseph M -- Hirst, Martin -- Gascoyne, Randy D -- Marra, Marco A -- 1U01CA114778/CA/NCI NIH HHS/ -- HHSN261200800001E/PHS HHS/ -- P50CA130805-01/CA/NCI NIH HHS/ -- TGT-53912/Canadian Institutes of Health Research/Canada -- U24 CA143866/CA/NCI NIH HHS/ -- U24 CA143866-01/CA/NCI NIH HHS/ -- U24 CA143866-02/CA/NCI NIH HHS/ -- U24 CA143866-03/CA/NCI NIH HHS/ -- England -- Nature. 2011 Jul 27;476(7360):298-303. doi: 10.1038/nature10351.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Canada's Michael Smith Genome Sciences Centre, BC Cancer Agency, Vancouver, British Columbia V5Z 1L3, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21796119" target="_blank"〉PubMed〈/a〉
    Keywords: Chromatin/genetics/metabolism ; DNA-Binding Proteins/genetics/metabolism ; Genome, Human/genetics ; Histone Acetyltransferases/genetics/metabolism ; Histone-Lysine N-Methyltransferase/genetics/metabolism ; Histones/*metabolism ; Humans ; Loss of Heterozygosity/genetics ; Lymphoma, Follicular/enzymology/genetics ; Lymphoma, Large B-Cell, Diffuse/enzymology/genetics ; Lymphoma, Non-Hodgkin/enzymology/*genetics ; MADS Domain Proteins/genetics/metabolism ; MEF2 Transcription Factors ; Mutation/*genetics ; Myogenic Regulatory Factors/genetics/metabolism ; Neoplasm Proteins/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
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