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https://www.readbyqxmd.com/read/27729195/pyrazolo-1-5a-pyrimidines-as-a-new-class-of-fuse-binding-protein-1-fubp1-inhibitors
#1
Stefanie Hauck, Kerstin Hiesinger, Sabrina Khageh Hosseini, Janosch Achenbach, Ricardo M Biondi, Ewgenij Proschak, Martin Zörnig, Dalibor Odadzic
The transcriptional regulator FUSE binding protein 1 (FUBP1) is aberrantly upregulated in various malignancies, fulfilling its oncogenic role by the deregulation of critical genes involved in cell cycle control and apoptosis regulation. Thus, the pharmaceutical inhibition of this protein would represent an encouraging novel targeted chemotherapy. Here, we demonstrate the identification and initial optimization of a pyrazolo[1,5a]pyrimidine-based FUBP1 inhibitor derived from medium throughput screening, which interferes with the binding of FUBP1 to its single stranded target DNA FUSE...
September 14, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27566151/alternative-splicing-of-u2af1-reveals-a-shared-repression-mechanism-for-duplicated-exons
#2
Jana Kralovicova, Igor Vorechovsky
The auxiliary factor of U2 small nuclear ribonucleoprotein (U2AF) facilitates branch point (BP) recognition and formation of lariat introns. The gene for the 35-kD subunit of U2AF gives rise to two protein isoforms (termed U2AF35a and U2AF35b) that are encoded by alternatively spliced exons 3 and Ab, respectively. The splicing recognition sequences of exon 3 are less favorable than exon Ab, yet U2AF35a expression is higher than U2AF35b across tissues. We show that U2AF35b repression is facilitated by weak, closely spaced BPs next to a long polypyrimidine tract of exon Ab...
August 26, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27496889/a-novel-long-intergenic-noncoding-rna-indispensable-for-the-cleavage-of-mouse-two-cell-embryos
#3
Jiaqiang Wang, Xin Li, Leyun Wang, Jingyu Li, Yanhua Zhao, Gerelchimeg Bou, Yufei Li, Guanyi Jiao, Xinghui Shen, Renyue Wei, Shichao Liu, Bingteng Xie, Lei Lei, Wei Li, Qi Zhou, Zhonghua Liu
Endogenous retroviruses (ERVs) are transcriptionally active in cleavage stage embryos, yet their functions are unknown. ERV sequences are present in the majority of long intergenic noncoding RNAs (lincRNAs) in mouse and humans, playing key roles in many cellular processes and diseases. Here, we identify LincGET as a nuclear lincRNA that is GLN-, MERVL-, and ERVK-associated and essential for mouse embryonic development beyond the two-cell stage. LincGET is expressed in late two- to four-cell mouse embryos. Its depletion leads to developmental arrest at the late G2 phase of the two-cell stage and to MAPK signaling pathway inhibition...
October 2016: EMBO Reports
https://www.readbyqxmd.com/read/27407063/mantle-cell-lymphoma-variant-richter-syndrome-detailed-molecular-cytogenetic-and-backtracking-analysis-reveals-slow-evolution-of-a-pre-mcl-clone-in-parallel-with-cll-over-several-years
#4
Pavel Klener, Eva Fronkova, Adela Berkova, Radek Jaksa, Halka Lhotska, Kristina Forsterova, Jan Soukup, Vojtech Kulvait, Jarmila Vargova, Karel Fiser, Dana Prukova, Mahmudul Alam, Bokang Calvin Lenyeletse Maswabi, Kyra Michalova, Zuzana Zemanova, Tereza Jancuskova, Sona Pekova, Marek Trneny
Richter syndrome represents the transformation of the chronic lymphocytic leukemia (CLL) into an aggressive lymphoma, most frequently the diffuse large B-cell lymphoma (DLBCL). In this report we describe a patient with CLL, who developed a clonally-related pleomorphic highly-aggressive mantle cell lymphoma (MCL) after five cycles of a fludarabine-based second-line therapy for the first relapse of CLL. Molecular cytogenetic methods together with whole-exome sequencing revealed numerous gene alterations restricted to the MCL clone (apart from the canonical t(11;14)(q13;q32) translocation) including gain of one copy of ATM gene or emergence of TP53, CREBBP, NUP214, FUBP1 and SF3B1 gene mutations...
November 15, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27197155/oncogenic-mutation-of-aimp2-p38-inhibits-its-tumor-suppressive-interaction-with-smurf2
#5
Dae Gyu Kim, Jin Young Lee, Ji-Hyun Lee, Ha Yeon Cho, Beom Sik Kang, Song-Yee Jang, Myung Hee Kim, Min Guo, Jung Min Han, Seong-Jin Kim, Sunghoon Kim
AIMP2/p38 is a multifunctional tumor suppressor that normally resides in the cytosol as a scaffold protein of the multi-tRNA synthetase complex (MSC). One of the tumor-suppressive functions of AIMP2 is to facilitate ubiquitin-mediated degradation of FUSE-binding protein (FBP, FUBP1), a transcriptional activator of c-Myc. However, the mechanism by which AIMP2 functions within this pathway and its significance in tumorigenesis are uncertain. Here, we report that Smurf2 is responsible for AIMP2-mediated ubiquitination of FBP, and a mutation in AIMP2 that inhibited its nuclear interaction with Smurf2 enhanced cellular transformation and tumorigenesis in vivo Treatment of HeLa cells with TGFβ resulted in the phosphorylation of AIMP2 on S156, a residue that is exposed on the embedded GST domain of AIMP2...
June 1, 2016: Cancer Research
https://www.readbyqxmd.com/read/27157613/mir-16-mediates-trastuzumab-and-lapatinib-response-in-erbb-2-positive-breast-and-gastric-cancer-via-its-novel-targets-ccnj-and-fubp1
#6
L Venturutti, R I Cordo Russo, M A Rivas, M F Mercogliano, F Izzo, R H Oakley, M G Pereyra, M De Martino, C J Proietti, P Yankilevich, J C Roa, P Guzmán, E Cortese, D H Allemand, T H Huang, E H Charreau, J A Cidlowski, R Schillaci, P V Elizalde
ErbB-2 amplification/overexpression accounts for an aggressive breast cancer (BC) subtype (ErbB-2-positive). Enhanced ErbB-2 expression was also found in gastric cancer (GC) and has been correlated with poor clinical outcome. The ErbB-2-targeted therapies trastuzumab (TZ), a monoclonal antibody, and lapatinib, a tyrosine kinase inhibitor, have proved highly beneficial. However, resistance to such therapies remains a major clinical challenge. We here revealed a novel mechanism underlying the antiproliferative effects of both agents in ErbB-2-positive BC and GC...
December 1, 2016: Oncogene
https://www.readbyqxmd.com/read/26925132/influence-of-far-upstream-element-binding-protein-1-gene-on-chemotherapy-sensitivity-in-human-u251-glioblastoma-cells
#7
Yang Hong, Yu Shi, Chao Shang, Yixue Xue, Yunhui Liu
INTRODUCTION: The aim of this study was to determine the influence of the far upstream element binding protein 1 gene (FUBP1) on chemotherapy sensitivity in human U251 glioblastoma cells. MATERIAL AND METHODS: Real-time polymerase chain reaction (PCR) was used to determine the expression of the FUBP1 gene in 43 cases of human brain gliomas. Western blot analysis was used to determine the inhibitory effect of RNA interference on FUBP1 gene expression. Methyl thiazolyl tetrazolium assay (MTT) and flow cytometry methods were used to determine the growth inhibitory rate and apoptosis rate of the U251 cells with FUBP1 silencing...
February 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/26839368/far-upstream-element-binding-protein-1-binds-the-3-untranslated-region-of-pkd2-and-suppresses-its-translation
#8
Wang Zheng, Fan Shen, Ruikun Hu, Birbickram Roy, JungWoo Yang, Qian Wang, Fan Zhang, Jennifer C King, Consolato Sergi, Song-Mei Liu, Emmanuelle Cordat, Jingfeng Tang, Ying Cao, Declan Ali, Xing-Zhen Chen
Autosomal dominant polycystic kidney disease pathogenesis can be recapitulated in animal models by gene mutations in or dosage alterations of polycystic kidney disease 1 (PKD1) or PKD2, demonstrating that too much and too little PKD1/PKD2 are both pathogenic. Gene dosage manipulation has become an appealing approach by which to compensate for loss or gain of gene function, but the mechanisms controlling PKD2 expression remain incompletely characterized. In this study, using cultured mammalian cells and dual-luciferase assays, we found that the 3' untranslated region (3'UTR) of PKD2 mRNA inhibits luciferase protein expression...
September 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/26774856/far-upstream-element-binding-protein-plays-a-crucial-role-in-embryonic-development-hematopoiesis-and-stabilizing-myc-expression-levels
#9
Weixin Zhou, Yang Jo Chung, Edgardo R Parrilla Castellar, Ying Zheng, Hye-Jung Chung, Russell Bandle, Juhong Liu, Lino Tessarollo, Eric Batchelor, Peter D Aplan, David Levens
The transcription factor far upstream element binding protein (FBP) binds and activates the MYC promoter when far upstream element is via TFIIH helicase activity early in the transcription cycle. The fundamental biology and pathology of FBP are complex. In some tumors FBP seems pro-oncogenic, whereas in others it is a tumor suppressor. We generated an FBP knockout (Fubp1(-/-)) mouse to study FBP deficiency. FBP is embryo lethal from embryonic day 10.5 to birth. A spectrum of pathology is associated with FBP loss; besides cerebral hyperplasia and pulmonary hypoplasia, pale livers, hypoplastic spleen, thymus, and bone marrow, cardiac hypertrophy, placental distress, and small size were all indicative of anemia...
March 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/26671986/the-diagnostic-use-of-immunohistochemical-surrogates-for-signature-molecular-genetic-alterations-in-gliomas
#10
REVIEW
Jantima Tanboon, Erik A Williams, David N Louis
A number of key mutations that affect treatment and prognosis have been identified in human gliomas. Two major ways to identify these mutations in a tumor sample are direct interrogation of the mutated DNA itself and immunohistochemistry to assess the effects of the mutated genes on proteins. Immunohistochemistry is an affordable, robust, and widely available technology that has been in place for decades. For this reason, the use of immunohistochemical approaches to assess molecular genetic changes has become an essential component of state-of-the-art practice...
January 2016: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/26545048/molecular-background-of-oligodendroglioma-1p-19q-idh-tert-cic-and-fubp1
#11
REVIEW
Daniel P Cahill, David N Louis, John Gregory Cairncross
Oligodendroglioma is the quintessential molecularly-defined brain tumor. The characteristic whole-arm loss of the long arm of chromosome 1 and the short arm of chromosome 19 (1p/19q-codeletion) within the genome of these tumors facilitated the reproducible molecular identification of this subcategory of gliomas. More recently, recurrent molecular genetic alterations have been identified to occur concurrently with 1p/19q-codeletion, and definitively identify these tumors, including mutations in IDH1/2, CIC, FUBP1, and the TERT promoter, as well as the absence of ATRX and TP53 alterations...
2015: CNS Oncology
https://www.readbyqxmd.com/read/26490982/far-upstream-element-binding-protein-1-fubp1-is-a-potential-c-myc-regulator-in-esophageal-squamous-cell-carcinoma-escc-and-its-expression-promotes-escc-progression
#12
Lei Yang, Jun-Ya Zhu, Jian-Guo Zhang, Bo-Jun Bao, Cheng-Qi Guan, Xiao-Jing Yang, Yan-Hua Liu, Yue-Jiao Huang, Run-Zhou Ni, Li-Li Ji
The human far upstream element (FUSE) binding protein 1 (FUBP1) belongs to an ancient family which is required for proper regulation of the c-Myc proto-oncogene. Although c-Myc plays an important role in development of various carcinomas, the relevance of FUBP1 and their contribution to esophageal squamous cell carcinoma (ESCC) development remain unclear. In this study, we aimed to investigate the relationship between FUBP1 and c-Myc as well as their contribution to ESCC development. Western blot and immunohistochemical analyses were performed to evaluate FUBP1 expression...
March 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/26357005/etv-pea3-family-transcription-factor-encoding-genes-are-overexpressed-in-cic-mutant-oligodendrogliomas
#13
Vijay Padul, Sridhar Epari, Aliasgar Moiyadi, Prakash Shetty, Neelam Vishwanath Shirsat
Oligodendrogliomas with combined loss of chromosome arms 1p and 19q are known to be particularly sensitive to chemotherapy, and the CIC gene located on 19q is known to be mutated in over 50% of the 1p/19q codeleted oligodendrogliomas. However, the role of CIC in the oligodendroglioma pathogenesis is not known. Exome sequencing of 11 oligodendroglial tumors identified 9 tumors with combined loss of 1p and 19q. Somatic mutations were found in the CIC and FUBP1 genes. Recurrent somatic mutations were also identified in the Notch signaling pathway genes NOTCH1 and MAML3, the chromatin modifying gene ARID1A and in KRAS...
December 2015: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/26354927/molecular-classification-of-anaplastic-oligodendroglioma-using-next-generation-sequencing-a-report-of-the-prospective-randomized-eortc-brain-tumor-group-26951-phase-iii-trial
#14
Hendrikus J Dubbink, Peggy N Atmodimedjo, Johan M Kros, Pim J French, Marc Sanson, Ahmed Idbaih, Pieter Wesseling, Roelien Enting, Wim Spliet, Cees Tijssen, Winand N M Dinjens, Thierry Gorlia, Martin J van den Bent
BACKGROUND: Histopathological diagnosis of diffuse gliomas is subject to interobserver variation and correlates modestly with major prognostic and predictive molecular abnormalities. We investigated a series of patients with locally diagnosed anaplastic oligodendroglial tumors included in the EORTC phase III trial 26951 on procarbazine/lomustine/vincristine (PCV) chemotherapy to explore the diagnostic, prognostic, and predictive value of targeted next-generation sequencing (NGS) in diffuse glioma and to assess the prognostic impact of FUBP1 and CIC mutations...
March 2016: Neuro-oncology
https://www.readbyqxmd.com/read/26268863/-investigation-of-trichloroethylene-induced-effects-on-subcellular-proteomes-in-l-02-hepatic-cells
#15
Aibo Huang, Hua Xu, Wenxu Hong, Zhixiong Zhuang, Jianjun Liu
OBJECTIVE: To put the insight into the trichloroethylene (TCE)-induced effect on the differential expression of subcellular proteins in human normal liver cell line (L-02). METHODS: The membrane proteins and nuclear proteins of TCE-treated (8.0 mmol/L) group and controls were extracted by subcellular proteome extraction kit, respectively. The TCE-induced differentially expressions were analyzed by a two-dimensional fluorescence difference gel electrophoresis (2D-DIGE) and matrix-assisted laser desorption/ionization tandem time-of-flight spectrometry (MALDI-TOF-MS)...
March 2015: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/26095368/single-stranded-dna-binding-transcriptional-regulator-fubp1-is-essential-for-fetal-and-adult-hematopoietic-stem-cell-self-renewal
#16
Uta Rabenhorst, Frederic B Thalheimer, Katharina Gerlach, Marek Kijonka, Stefanie Böhm, Daniela S Krause, Franz Vauti, Hans-Henning Arnold, Timm Schroeder, Frank Schnütgen, Harald von Melchner, Michael A Rieger, Martin Zörnig
The ability of hematopoietic stem cells (HSCs) to self-renew is a prerequisite for the establishment of definitive hematopoiesis and life-long blood regeneration. Here, we report the single-stranded DNA-binding transcriptional regulator far upstream element (FUSE)-binding protein 1 (FUBP1) as an essential factor of HSC self-renewal. Functional inactivation of FUBP1 in two different mouse models resulted in embryonic lethal anemia at around E15.5 caused by severely diminished HSCs. Fetal and adult HSCs lacking FUBP1 revealed an HSC-intrinsic defect in their maintenance, expansion, and long-term blood reconstitution, but could differentiate into all hematopoietic lineages...
June 30, 2015: Cell Reports
https://www.readbyqxmd.com/read/26068201/tcf12-is-mutated-in-anaplastic-oligodendroglioma
#17
Karim Labreche, Iva Simeonova, Aurélie Kamoun, Vincent Gleize, Daniel Chubb, Eric Letouzé, Yasser Riazalhosseini, Sara E Dobbins, Nabila Elarouci, Francois Ducray, Aurélien de Reyniès, Diana Zelenika, Christopher P Wardell, Mathew Frampton, Olivier Saulnier, Tomi Pastinen, Sabrina Hallout, Dominique Figarella-Branger, Caroline Dehais, Ahmed Idbaih, Karima Mokhtari, Jean-Yves Delattre, Emmanuelle Huillard, G Mark Lathrop, Marc Sanson, Richard S Houlston
Anaplastic oligodendroglioma (AO) are rare primary brain tumours that are generally incurable, with heterogeneous prognosis and few treatment targets identified. Most oligodendrogliomas have chromosomes 1p/19q co-deletion and an IDH mutation. Here we analysed 51 AO by whole-exome sequencing, identifying previously reported frequent somatic mutations in CIC and FUBP1. We also identified recurrent mutations in TCF12 and in an additional series of 83 AO. Overall, 7.5% of AO are mutated for TCF12, which encodes an oligodendrocyte-related transcription factor...
June 12, 2015: Nature Communications
https://www.readbyqxmd.com/read/26061751/comprehensive-integrative-genomic-analysis-of-diffuse-lower-grade-gliomas
#18
Daniel J Brat, Roel G W Verhaak, Kenneth D Aldape, W K Alfred Yung, Sofie R Salama, Lee A D Cooper, Esther Rheinbay, C Ryan Miller, Mark Vitucci, Olena Morozova, A Gordon Robertson, Houtan Noushmehr, Peter W Laird, Andrew D Cherniack, Rehan Akbani, Jason T Huse, Giovanni Ciriello, Laila M Poisson, Jill S Barnholtz-Sloan, Mitchel S Berger, Cameron Brennan, Rivka R Colen, Howard Colman, Adam E Flanders, Caterina Giannini, Mia Grifford, Antonio Iavarone, Rajan Jain, Isaac Joseph, Jaegil Kim, Katayoon Kasaian, Tom Mikkelsen, Bradley A Murray, Brian Patrick O'Neill, Lior Pachter, Donald W Parsons, Carrie Sougnez, Erik P Sulman, Scott R Vandenberg, Erwin G Van Meir, Andreas von Deimling, Hailei Zhang, Daniel Crain, Kevin Lau, David Mallery, Scott Morris, Joseph Paulauskis, Robert Penny, Troy Shelton, Mark Sherman, Peggy Yena, Aaron Black, Jay Bowen, Katie Dicostanzo, Julie Gastier-Foster, Kristen M Leraas, Tara M Lichtenberg, Christopher R Pierson, Nilsa C Ramirez, Cynthia Taylor, Stephanie Weaver, Lisa Wise, Erik Zmuda, Tanja Davidsen, John A Demchok, Greg Eley, Martin L Ferguson, Carolyn M Hutter, Kenna R Mills Shaw, Bradley A Ozenberger, Margi Sheth, Heidi J Sofia, Roy Tarnuzzer, Zhining Wang, Liming Yang, Jean Claude Zenklusen, Brenda Ayala, Julien Baboud, Sudha Chudamani, Mark A Jensen, Jia Liu, Todd Pihl, Rohini Raman, Yunhu Wan, Ye Wu, Adrian Ally, J Todd Auman, Miruna Balasundaram, Saianand Balu, Stephen B Baylin, Rameen Beroukhim, Moiz S Bootwalla, Reanne Bowlby, Christopher A Bristow, Denise Brooks, Yaron Butterfield, Rebecca Carlsen, Scott Carter, Lynda Chin, Andy Chu, Eric Chuah, Kristian Cibulskis, Amanda Clarke, Simon G Coetzee, Noreen Dhalla, Tim Fennell, Sheila Fisher, Stacey Gabriel, Gad Getz, Richard Gibbs, Ranabir Guin, Angela Hadjipanayis, D Neil Hayes, Toshinori Hinoue, Katherine Hoadley, Robert A Holt, Alan P Hoyle, Stuart R Jefferys, Steven Jones, Corbin D Jones, Raju Kucherlapati, Phillip H Lai, Eric Lander, Semin Lee, Lee Lichtenstein, Yussanne Ma, Dennis T Maglinte, Harshad S Mahadeshwar, Marco A Marra, Michael Mayo, Shaowu Meng, Matthew L Meyerson, Piotr A Mieczkowski, Richard A Moore, Lisle E Mose, Andrew J Mungall, Angeliki Pantazi, Michael Parfenov, Peter J Park, Joel S Parker, Charles M Perou, Alexei Protopopov, Xiaojia Ren, Jeffrey Roach, Thaís S Sabedot, Jacqueline Schein, Steven E Schumacher, Jonathan G Seidman, Sahil Seth, Hui Shen, Janae V Simons, Payal Sipahimalani, Matthew G Soloway, Xingzhi Song, Huandong Sun, Barbara Tabak, Angela Tam, Donghui Tan, Jiabin Tang, Nina Thiessen, Timothy Triche, David J Van Den Berg, Umadevi Veluvolu, Scot Waring, Daniel J Weisenberger, Matthew D Wilkerson, Tina Wong, Junyuan Wu, Liu Xi, Andrew W Xu, Lixing Yang, Travis I Zack, Jianhua Zhang, B Arman Aksoy, Harindra Arachchi, Chris Benz, Brady Bernard, Daniel Carlin, Juok Cho, Daniel DiCara, Scott Frazer, Gregory N Fuller, JianJiong Gao, Nils Gehlenborg, David Haussler, David I Heiman, Lisa Iype, Anders Jacobsen, Zhenlin Ju, Sol Katzman, Hoon Kim, Theo Knijnenburg, Richard Bailey Kreisberg, Michael S Lawrence, William Lee, Kalle Leinonen, Pei Lin, Shiyun Ling, Wenbin Liu, Yingchun Liu, Yuexin Liu, Yiling Lu, Gordon Mills, Sam Ng, Michael S Noble, Evan Paull, Arvind Rao, Sheila Reynolds, Gordon Saksena, Zack Sanborn, Chris Sander, Nikolaus Schultz, Yasin Senbabaoglu, Ronglai Shen, Ilya Shmulevich, Rileen Sinha, Josh Stuart, S Onur Sumer, Yichao Sun, Natalie Tasman, Barry S Taylor, Doug Voet, Nils Weinhold, John N Weinstein, Da Yang, Kosuke Yoshihara, Siyuan Zheng, Wei Zhang, Lihua Zou, Ty Abel, Sara Sadeghi, Mark L Cohen, Jenny Eschbacher, Eyas M Hattab, Aditya Raghunathan, Matthew J Schniederjan, Dina Aziz, Gene Barnett, Wendi Barrett, Darell D Bigner, Lori Boice, Cathy Brewer, Chiara Calatozzolo, Benito Campos, Carlos Gilberto Carlotti, Timothy A Chan, Lucia Cuppini, Erin Curley, Stefania Cuzzubbo, Karen Devine, Francesco DiMeco, Rebecca Duell, J Bradley Elder, Ashley Fehrenbach, Gaetano Finocchiaro, William Friedman, Jordonna Fulop, Johanna Gardner, Beth Hermes, Christel Herold-Mende, Christine Jungk, Ady Kendler, Norman L Lehman, Eric Lipp, Ouida Liu, Randy Mandt, Mary McGraw, Roger Mclendon, Christopher McPherson, Luciano Neder, Phuong Nguyen, Ardene Noss, Raffaele Nunziata, Quinn T Ostrom, Cheryl Palmer, Alessandro Perin, Bianca Pollo, Alexander Potapov, Olga Potapova, W Kimryn Rathmell, Daniil Rotin, Lisa Scarpace, Cathy Schilero, Kelly Senecal, Kristen Shimmel, Vsevolod Shurkhay, Suzanne Sifri, Rosy Singh, Andrew E Sloan, Kathy Smolenski, Susan M Staugaitis, Ruth Steele, Leigh Thorne, Daniela P C Tirapelli, Andreas Unterberg, Mahitha Vallurupalli, Yun Wang, Ronald Warnick, Felicia Williams, Yingli Wolinsky, Sue Bell, Mara Rosenberg, Chip Stewart, Franklin Huang, Jonna L Grimsby, Amie J Radenbaugh, Jianan Zhang
BACKGROUND: Diffuse low-grade and intermediate-grade gliomas (which together make up the lower-grade gliomas, World Health Organization grades II and III) have highly variable clinical behavior that is not adequately predicted on the basis of histologic class. Some are indolent; others quickly progress to glioblastoma. The uncertainty is compounded by interobserver variability in histologic diagnosis. Mutations in IDH, TP53, and ATRX and codeletion of chromosome arms 1p and 19q (1p/19q codeletion) have been implicated as clinically relevant markers of lower-grade gliomas...
June 25, 2015: New England Journal of Medicine
https://www.readbyqxmd.com/read/26050585/molecular-markers-in-low-grade-glioma-toward-tumor-reclassification
#19
REVIEW
Adriana Olar, Erik P Sulman
Low-grade diffuse gliomas are a heterogeneous group of primary glial brain tumors with highly variable survival. Currently, patients with low-grade diffuse gliomas are stratified into risk subgroups by subjective histopathologic criteria with significant interobserver variability. Several key molecular signatures have emerged as diagnostic, prognostic, and predictor biomarkers for tumor classification and patient risk stratification. In this review, we discuss the effect of the most critical molecular alterations described in diffuse (IDH1/2, 1p/19q codeletion, ATRX, TERT, CIC, and FUBP1) and circumscribed (BRAF-KIAA1549, BRAF(V600E), and C11orf95-RELA fusion) gliomas...
July 2015: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/26004297/biomarker-driven-diagnosis-of-diffuse-gliomas
#20
REVIEW
Christina L Appin, Daniel J Brat
The diffuse gliomas are primary central nervous system tumors that arise most frequently in the cerebral hemispheres of adults. They are currently classified as astrocytomas, oligodendrogliomas or oligoastrocytomas and range in grade from II to IV. Glioblastoma (GBM), grade IV, is the highest grade and most common form. The diagnosis of diffuse gliomas has historically been based primarily on histopathologic features, yet these tumors have a wide range of biological behaviors that are only partially explained by morphology...
November 2015: Molecular Aspects of Medicine
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