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https://www.readbyqxmd.com/read/28988769/comprehensive-molecular-characterization-of-muscle-invasive-bladder-cancer
#1
A Gordon Robertson, Jaegil Kim, Hikmat Al-Ahmadie, Joaquim Bellmunt, Guangwu Guo, Andrew D Cherniack, Toshinori Hinoue, Peter W Laird, Katherine A Hoadley, Rehan Akbani, Mauro A A Castro, Ewan A Gibb, Rupa S Kanchi, Dmitry A Gordenin, Sachet A Shukla, Francisco Sanchez-Vega, Donna E Hansel, Bogdan A Czerniak, Victor E Reuter, Xiaoping Su, Benilton de Sa Carvalho, Vinicius S Chagas, Karen L Mungall, Sara Sadeghi, Chandra Sekhar Pedamallu, Yiling Lu, Leszek J Klimczak, Jiexin Zhang, Caleb Choo, Akinyemi I Ojesina, Susan Bullman, Kristen M Leraas, Tara M Lichtenberg, Catherine J Wu, Nicholaus Schultz, Gad Getz, Matthew Meyerson, Gordon B Mills, David J McConkey, John N Weinstein, David J Kwiatkowski, Seth P Lerner
We report a comprehensive analysis of 412 muscle-invasive bladder cancers characterized by multiple TCGA analytical platforms. Fifty-eight genes were significantly mutated, and the overall mutational load was associated with APOBEC-signature mutagenesis. Clustering by mutation signature identified a high-mutation subset with 75% 5-year survival. mRNA expression clustering refined prior clustering analyses and identified a poor-survival "neuronal" subtype in which the majority of tumors lacked small cell or neuroendocrine histology...
October 4, 2017: Cell
https://www.readbyqxmd.com/read/28950338/successful-targeting-of-the-nrg1-pathway-indicates-novel-treatment-strategy-for-metastatic-cancer
#2
M R Jones, H Lim, Y Shen, E Pleasance, C Ch'ng, C Reisle, S Leelakumari, C Zhao, S Yip, J Ho, E Zhong, T Ng, D Ionescu, D F Schaeffer, A J Mungall, K L Mungall, Y Zhao, R A Moore, Y Ma, S Chia, C Ho, D J Renouf, K Gelmon, S J M Jones, M A Marra, J Laskin
Background: NRG1 fusion-positive lung cancers have emerged as potentially actionable events in lung cancer but clinical support is currently limited and no evidence of efficacy of this approach in cancers beyond lung has been shown. Patients and Methods: Here we describe two patients with advanced cancers refractory to standard therapies. Patient 1 had lung adenocarcinoma and patient 2 cholangiocarcinoma. Whole-genome and transcriptome sequencing were carried out for these cases with select findings validated by fluorescence in situ hybridization...
September 18, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28877932/detection-and-genomic-characterization-of-a-mammary-like-adenocarcinoma
#3
Jasleen K Grewal, Peter Eirew, Martin Jones, Kenrry Chiu, Basile Tessier-Cloutier, Anthony N Karnezis, Aly Karsan, Andy Mungall, Chen Zhou, Stephen Yip, Anna V Tinker, Janessa Laskin, Marco Marra, Steven J M Jones
Whole-genome and transcriptome sequencing were performed to identify potential therapeutic strategies in the absence of viable treatment options for a patient initially diagnosed with vulvar adenocarcinoma. Genomic events were prioritized by comparison against variant distributions in the TCGA pan-cancer dataset, and complemented with detailed transcriptome sequencing and copy number analysis. These findings were considered against published scientific literature in order to evaluate the functional effects of potentially relevant genomic events...
September 6, 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28854430/genomic-and-cytogenetic-characterization-of-a-balanced-translocation-disrupting-nup98
#4
My Linh Thibodeau, Michelle Steinraths, Lindsay Brown, Zheyuan Zong, Naomi Shomer, Stefan Taubert, Karen L Mungall, Yussanne P Ma, Rosemary Mueller, Inanc Birol, Anna Lehman
A 41-year-old Asian woman with bilateral renal angiomyolipomas (AML) was incidentally identified to have a balanced translocation, 46,XX,t(11;12)(p15.4;q15). She had no other features or family history to suggest a diagnosis of tuberous sclerosis. Her healthy daughter had the same translocation and no renal AML at the age of 3 years. Whole-genome sequencing was performed on genomic maternal DNA isolated from blood. A targeted de novo assembly was then conducted with ABySS for chromosomes 11 and 12. Sanger sequencing was used to validate the translocation breakpoints...
2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28854171/fate-mapping-of-human-glioblastoma-reveals-an-invariant-stem-cell-hierarchy
#5
Xiaoyang Lan, David J Jörg, Florence M G Cavalli, Laura M Richards, Long V Nguyen, Robert J Vanner, Paul Guilhamon, Lilian Lee, Michelle M Kushida, Davide Pellacani, Nicole I Park, Fiona J Coutinho, Heather Whetstone, Hayden J Selvadurai, Clare Che, Betty Luu, Annaick Carles, Michelle Moksa, Naghmeh Rastegar, Renee Head, Sonam Dolma, Panagiotis Prinos, Michael D Cusimano, Sunit Das, Mark Bernstein, Cheryl H Arrowsmith, Andrew J Mungall, Richard A Moore, Yussanne Ma, Marco Gallo, Mathieu Lupien, Trevor J Pugh, Michael D Taylor, Martin Hirst, Connie J Eaves, Benjamin D Simons, Peter B Dirks
Human glioblastomas harbour a subpopulation of glioblastoma stem cells that drive tumorigenesis. However, the origin of intratumoural functional heterogeneity between glioblastoma cells remains poorly understood. Here we study the clonal evolution of barcoded glioblastoma cells in an unbiased way following serial xenotransplantation to define their individual fate behaviours. Independent of an evolving mutational signature, we show that the growth of glioblastoma clones in vivo is consistent with a remarkably neutral process involving a conserved proliferative hierarchy rooted in glioblastoma stem cells...
September 14, 2017: Nature
https://www.readbyqxmd.com/read/28829439/an-integrated-expression-atlas-of-mirnas-and-their-promoters-in-human-and-mouse
#6
Derek de Rie, Imad Abugessaisa, Tanvir Alam, Erik Arner, Peter Arner, Haitham Ashoor, Gaby Åström, Magda Babina, Nicolas Bertin, A Maxwell Burroughs, Ailsa J Carlisle, Carsten O Daub, Michael Detmar, Ruslan Deviatiiarov, Alexandre Fort, Claudia Gebhard, Daniel Goldowitz, Sven Guhl, Thomas J Ha, Jayson Harshbarger, Akira Hasegawa, Kosuke Hashimoto, Meenhard Herlyn, Peter Heutink, Kelly J Hitchens, Chung Chau Hon, Edward Huang, Yuri Ishizu, Chieko Kai, Takeya Kasukawa, Peter Klinken, Timo Lassmann, Charles-Henri Lecellier, Weonju Lee, Marina Lizio, Vsevolod Makeev, Anthony Mathelier, Yulia A Medvedeva, Niklas Mejhert, Christopher J Mungall, Shohei Noma, Mitsuhiro Ohshima, Mariko Okada-Hatakeyama, Helena Persson, Patrizia Rizzu, Filip Roudnicky, Pål Sætrom, Hiroki Sato, Jessica Severin, Jay W Shin, Rolf K Swoboda, Hiroshi Tarui, Hiroo Toyoda, Kristoffer Vitting-Seerup, Louise Winteringham, Yoko Yamaguchi, Kayoko Yasuzawa, Misako Yoneda, Noriko Yumoto, Susan Zabierowski, Peter G Zhang, Christine A Wells, Kim M Summers, Hideya Kawaji, Albin Sandelin, Michael Rehli, Yoshihide Hayashizaki, Piero Carninci, Alistair R R Forrest, Michiel J L de Hoon
MicroRNAs (miRNAs) are short non-coding RNAs with key roles in cellular regulation. As part of the fifth edition of the Functional Annotation of Mammalian Genome (FANTOM5) project, we created an integrated expression atlas of miRNAs and their promoters by deep-sequencing 492 short RNA (sRNA) libraries, with matching Cap Analysis Gene Expression (CAGE) data, from 396 human and 47 mouse RNA samples. Promoters were identified for 1,357 human and 804 mouse miRNAs and showed strong sequence conservation between species...
September 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28825729/a-children-s-oncology-group-and-target-initiative-exploring-the-genetic-landscape-of-wilms-tumor
#7
Samantha Gadd, Vicki Huff, Amy L Walz, Ariadne H A G Ooms, Amy E Armstrong, Daniela S Gerhard, Malcolm A Smith, Jaime M Guidry Auvil, Daoud Meerzaman, Qing-Rong Chen, Chih Hao Hsu, Chunhua Yan, Cu Nguyen, Ying Hu, Leandro C Hermida, Tanja Davidsen, Patee Gesuwan, Yussanne Ma, Zusheng Zong, Andrew J Mungall, Richard A Moore, Marco A Marra, Jeffrey S Dome, Charles G Mullighan, Jing Ma, David A Wheeler, Oliver A Hampton, Nicole Ross, Julie M Gastier-Foster, Stefan T Arold, Elizabeth J Perlman
We performed genome-wide sequencing and analyzed mRNA and miRNA expression, DNA copy number, and DNA methylation in 117 Wilms tumors, followed by targeted sequencing of 651 Wilms tumors. In addition to genes previously implicated in Wilms tumors (WT1, CTNNB1, AMER1, DROSHA, DGCR8, XPO5, DICER1, SIX1, SIX2, MLLT1, MYCN, and TP53), we identified mutations in genes not previously recognized as recurrently involved in Wilms tumors, the most frequent being BCOR, BCORL1, NONO, MAX, COL6A3, ASXL1, MAP3K4, and ARID1A...
October 2017: Nature Genetics
https://www.readbyqxmd.com/read/28811957/mapping-the-human-t-cell-repertoire-to-recurrent-driver-mutations-in-myd88-and-ezh2-in-lymphoma
#8
Julie S Nielsen, Andrew R Chang, Darin A Wick, Colin G Sedgwick, Zusheng Zong, Andrew J Mungall, Spencer D Martin, Natalie N Kinloch, Susann Ott-Langer, Zabrina L Brumme, Steven P Treon, Joseph M Connors, Randy D Gascoyne, John R Webb, Brian R Berry, Ryan D Morin, Nicol Macpherson, Brad H Nelson
Oncogenic "driver" mutations are theoretically attractive targets for the immunotherapy of lymphoid cancers, yet the proportion that can be recognized by T cells remains poorly defined. To address this issue without any confounding effects of the patient's immune system, we assessed T cells from 19 healthy donors for recognition of three common driver mutations in lymphoma: MYD88(L265P), EZH2(Y641F) , and EZH2(Y641N) . Donors collectively expressed the 10 most prevalent HLA class I alleles, including HLA-A*02:01...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28810145/integrative-analysis-identifies-four-molecular-and-clinical-subsets-in-uveal-melanoma
#9
A Gordon Robertson, Juliann Shih, Christina Yau, Ewan A Gibb, Junna Oba, Karen L Mungall, Julian M Hess, Vladislav Uzunangelov, Vonn Walter, Ludmila Danilova, Tara M Lichtenberg, Melanie Kucherlapati, Patrick K Kimes, Ming Tang, Alexander Penson, Ozgun Babur, Rehan Akbani, Christopher A Bristow, Katherine A Hoadley, Lisa Iype, Matthew T Chang, Andrew D Cherniack, Christopher Benz, Gordon B Mills, Roel G W Verhaak, Klaus G Griewank, Ina Felau, Jean C Zenklusen, Jeffrey E Gershenwald, Lynn Schoenfield, Alexander J Lazar, Mohamed H Abdel-Rahman, Sergio Roman-Roman, Marc-Henri Stern, Colleen M Cebulla, Michelle D Williams, Martine J Jager, Sarah E Coupland, Bita Esmaeli, Cyriac Kandoth, Scott E Woodman
Comprehensive multiplatform analysis of 80 uveal melanomas (UM) identifies four molecularly distinct, clinically relevant subtypes: two associated with poor-prognosis monosomy 3 (M3) and two with better-prognosis disomy 3 (D3). We show that BAP1 loss follows M3 occurrence and correlates with a global DNA methylation state that is distinct from D3-UM. Poor-prognosis M3-UM divide into subsets with divergent genomic aberrations, transcriptional features, and clinical outcomes. We report change-of-function SRSF2 mutations...
August 14, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28808080/characterization-of-the-human-thyroid-epigenome
#10
Celia Siu, Sam Wiseman, Sitanshu Gakkhar, Alireza Heravi-Moussavi, Misha Bilenky, Annaick Carles, Thomas Sierocinski, Angela Tam, Eric Zhao, Katayoon Kasaian, Richard A Moore, Andrew J Mungall, Blair Walker, Thomas Thomson, Marco A Marra, Martin Hirst, Steven J M Jones
The thyroid gland, necessary for normal human growth and development, functions as an essential regulator of metabolism by the production and secretion of appropriate levels of thyroid hormone. However, assessment of abnormal thyroid function may be challenging suggesting a more fundamental understanding of normal function is needed. One way to characterize normal gland function is to study the epigenome and resulting transcriptome within its constituent cells. This study generates the first published reference epigenomes for human thyroid from four individuals using ChIP-seq and RNA-seq...
November 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28726821/the-whole-genome-landscape-of-medulloblastoma-subtypes
#11
Paul A Northcott, Ivo Buchhalter, A Sorana Morrissy, Volker Hovestadt, Joachim Weischenfeldt, Tobias Ehrenberger, Susanne Gröbner, Maia Segura-Wang, Thomas Zichner, Vasilisa A Rudneva, Hans-Jörg Warnatz, Nikos Sidiropoulos, Aaron H Phillips, Steven Schumacher, Kortine Kleinheinz, Sebastian M Waszak, Serap Erkek, David T W Jones, Barbara C Worst, Marcel Kool, Marc Zapatka, Natalie Jäger, Lukas Chavez, Barbara Hutter, Matthias Bieg, Nagarajan Paramasivam, Michael Heinold, Zuguang Gu, Naveed Ishaque, Christina Jäger-Schmidt, Charles D Imbusch, Alke Jugold, Daniel Hübschmann, Thomas Risch, Vyacheslav Amstislavskiy, Francisco German Rodriguez Gonzalez, Ursula D Weber, Stephan Wolf, Giles W Robinson, Xin Zhou, Gang Wu, David Finkelstein, Yanling Liu, Florence M G Cavalli, Betty Luu, Vijay Ramaswamy, Xiaochong Wu, Jan Koster, Marina Ryzhova, Yoon-Jae Cho, Scott L Pomeroy, Christel Herold-Mende, Martin Schuhmann, Martin Ebinger, Linda M Liau, Jaume Mora, Roger E McLendon, Nada Jabado, Toshihiro Kumabe, Eric Chuah, Yussanne Ma, Richard A Moore, Andrew J Mungall, Karen L Mungall, Nina Thiessen, Kane Tse, Tina Wong, Steven J M Jones, Olaf Witt, Till Milde, Andreas Von Deimling, David Capper, Andrey Korshunov, Marie-Laure Yaspo, Richard Kriwacki, Amar Gajjar, Jinghui Zhang, Rameen Beroukhim, Ernest Fraenkel, Jan O Korbel, Benedikt Brors, Matthias Schlesner, Roland Eils, Marco A Marra, Stefan M Pfister, Michael D Taylor, Peter Lichter
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...
July 19, 2017: Nature
https://www.readbyqxmd.com/read/28679365/increasing-quality-throughput-and-speed-of-sample-preparation-for-strand-specific-messenger-rna-sequencing
#12
Simon Haile, Richard D Corbett, Tina MacLeod, Steve Bilobram, Duane Smailus, Philip Tsao, Heather Kirk, Helen McDonald, Pawan Pandoh, Miruna Bala, Martin Hirst, Diane Miller, Richard A Moore, Andrew J Mungall, Jacquie Schein, Robin J Coope, Yussanne Ma, Yongjun Zhao, Rob A Holt, Steven J Jones, Marco A Marra
BACKGROUND: RNA-Sequencing (RNA-seq) is now commonly used to reveal quantitative spatiotemporal snapshots of the transcriptome, the structures of transcripts (splice variants and fusions) and landscapes of expressed mutations. However, standard approaches for library construction typically require relatively high amounts of input RNA, are labor intensive, and are time consuming. METHODS: Here, we report the outcome of a systematic effort to optimize and streamline steps in strand-specific RNA-seq library construction...
July 5, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28662064/identifiers-for-the-21st-century-how-to-design-provision-and-reuse-persistent-identifiers-to-maximize-utility-and-impact-of-life-science-data
#13
Julie A McMurry, Nick Juty, Niklas Blomberg, Tony Burdett, Tom Conlin, Nathalie Conte, Mélanie Courtot, John Deck, Michel Dumontier, Donal K Fellows, Alejandra Gonzalez-Beltran, Philipp Gormanns, Jeffrey Grethe, Janna Hastings, Jean-Karim Hériché, Henning Hermjakob, Jon C Ison, Rafael C Jimenez, Simon Jupp, John Kunze, Camille Laibe, Nicolas Le Novère, James Malone, Maria Jesus Martin, Johanna R McEntyre, Chris Morris, Juha Muilu, Wolfgang Müller, Philippe Rocca-Serra, Susanna-Assunta Sansone, Murat Sariyar, Jacky L Snoep, Stian Soiland-Reyes, Natalie J Stanford, Neil Swainston, Nicole Washington, Alan R Williams, Sarala M Wimalaratne, Lilly M Winfree, Katherine Wolstencroft, Carole Goble, Christopher J Mungall, Melissa A Haendel, Helen Parkinson
In many disciplines, data are highly decentralized across thousands of online databases (repositories, registries, and knowledgebases). Wringing value from such databases depends on the discipline of data science and on the humble bricks and mortar that make integration possible; identifiers are a core component of this integration infrastructure. Drawing on our experience and on work by other groups, we outline 10 lessons we have learned about the identifier qualities and best practices that facilitate large-scale data integration...
June 2017: PLoS Biology
https://www.readbyqxmd.com/read/28650483/disease-model-discovery-from-3-328-gene-knockouts-by-the-international-mouse-phenotyping-consortium
#14
Terrence F Meehan, Nathalie Conte, David B West, Julius O Jacobsen, Jeremy Mason, Jonathan Warren, Chao-Kung Chen, Ilinca Tudose, Mike Relac, Peter Matthews, Natasha Karp, Luis Santos, Tanja Fiegel, Natalie Ring, Henrik Westerberg, Simon Greenaway, Duncan Sneddon, Hugh Morgan, Gemma F Codner, Michelle E Stewart, James Brown, Neil Horner, Melissa Haendel, Nicole Washington, Christopher J Mungall, Corey L Reynolds, Juan Gallegos, Valerie Gailus-Durner, Tania Sorg, Guillaume Pavlovic, Lynette R Bower, Mark Moore, Iva Morse, Xiang Gao, Glauco P Tocchini-Valentini, Yuichi Obata, Soo Young Cho, Je Kyung Seong, John Seavitt, Arthur L Beaudet, Mary E Dickinson, Yann Herault, Wolfgang Wurst, Martin Hrabe de Angelis, K C Kent Lloyd, Ann M Flenniken, Lauryl M J Nutter, Susan Newbigging, Colin McKerlie, Monica J Justice, Stephen A Murray, Karen L Svenson, Robert E Braun, Jacqueline K White, Allan Bradley, Paul Flicek, Sara Wells, William C Skarnes, David J Adams, Helen Parkinson, Ann-Marie Mallon, Steve D M Brown, Damian Smedley
Although next-generation sequencing has revolutionized the ability to associate variants with human diseases, diagnostic rates and development of new therapies are still limited by a lack of knowledge of the functions and pathobiological mechanisms of most genes. To address this challenge, the International Mouse Phenotyping Consortium is creating a genome- and phenome-wide catalog of gene function by characterizing new knockout-mouse strains across diverse biological systems through a broad set of standardized phenotyping tests...
August 2017: Nature Genetics
https://www.readbyqxmd.com/read/28583177/dead-simple-owl-design-patterns
#15
David Osumi-Sutherland, Melanie Courtot, James P Balhoff, Christopher Mungall
BACKGROUND: Bio-ontologies typically require multiple axes of classification to support the needs of their users. Development of such ontologies can only be made scalable and sustainable by the use of inference to automate classification via consistent patterns of axiomatization. Many bio-ontologies originating in OBO or OWL follow this approach. These patterns need to be documented in a form that requires minimal expertise to understand and edit and that can be validated and applied using any of the various programmatic approaches to working with OWL ontologies...
June 5, 2017: Journal of Biomedical Semantics
https://www.readbyqxmd.com/read/28570594/automated-high-throughput-nucleic-acid-purification-from-formalin-fixed-paraffin-embedded-tissue-samples-for-next-generation-sequence-analysis
#16
Simon Haile, Pawan Pandoh, Helen McDonald, Richard D Corbett, Philip Tsao, Heather Kirk, Tina MacLeod, Martin Jones, Steve Bilobram, Denise Brooks, Duane Smailus, Christian Steidl, David W Scott, Miruna Bala, Martin Hirst, Diane Miller, Richard A Moore, Andrew J Mungall, Robin J Coope, Yussanne Ma, Yongjun Zhao, Rob A Holt, Steven J Jones, Marco A Marra
Curation and storage of formalin-fixed, paraffin-embedded (FFPE) samples are standard procedures in hospital pathology laboratories around the world. Many thousands of such samples exist and could be used for next generation sequencing analysis. Retrospective analyses of such samples are important for identifying molecular correlates of carcinogenesis, treatment history and disease outcomes. Two major hurdles in using FFPE material for sequencing are the damaged nature of the nucleic acids and the labor-intensive nature of nucleic acid purification...
2017: PloS One
https://www.readbyqxmd.com/read/28559340/microlayer-source-of-oxygenated-volatile-organic-compounds-in-the-summertime-marine-arctic-boundary-layer
#17
Emma L Mungall, Jonathan P D Abbatt, Jeremy J B Wentzell, Alex K Y Lee, Jennie L Thomas, Marjolaine Blais, Michel Gosselin, Lisa A Miller, Tim Papakyriakou, Megan D Willis, John Liggio
Summertime Arctic shipboard observations of oxygenated volatile organic compounds (OVOCs) such as organic acids, key precursors of climatically active secondary organic aerosol (SOA), are consistent with a novel source of OVOCs to the marine boundary layer via chemistry at the sea surface microlayer. Although this source has been studied in a laboratory setting, organic acid emissions from the sea surface microlayer have not previously been observed in ambient marine environments. Correlations between measurements of OVOCs, including high levels of formic acid, in the atmosphere (measured by an online high-resolution time-of-flight mass spectrometer) and dissolved organic matter in the ocean point to a marine source for the measured OVOCs...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28539120/comprehensive-whole-genome-sequence-analyses-yields-novel-genetic-and-structural-insights-for-intellectual-disability
#18
Farah R Zahir, Jill C Mwenifumbo, Hye-Jung E Chun, Emilia L Lim, Clara D M Van Karnebeek, Madeline Couse, Karen L Mungall, Leora Lee, Nancy Makela, Linlea Armstrong, Cornelius F Boerkoel, Sylvie L Langlois, Barbara M McGillivray, Steven J M Jones, Jan M Friedman, Marco A Marra
BACKGROUND: Intellectual Disability (ID) is among the most common global disorders, yet etiology is unknown in ~30% of patients despite clinical assessment. Whole genome sequencing (WGS) is able to interrogate the entire genome, providing potential to diagnose idiopathic patients. METHODS: We conducted WGS on eight children with idiopathic ID and brain structural defects, and their normal parents; carrying out an extensive data analyses, using standard and discovery approaches...
May 24, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28532962/from-snomed-ct-to-uberon-transferability-of-evaluation-methodology-between-similarly-structured-ontologies
#19
Gai Elhanan, Christopher Ochs, Jose L V Mejino, Hao Liu, Christopher J Mungall, Yehoshua Perl
OBJECTIVE: To examine whether disjoint partial-area taxonomy, a semantically-based evaluation methodology that has been successfully tested in SNOMED CT, will perform with similar effectiveness on Uberon, an anatomical ontology that belongs to a structurally similar family of ontologies as SNOMED CT. METHOD: A disjoint partial-area taxonomy was generated for Uberon. One hundred randomly selected test concepts that overlap between partial-areas were matched to a same size control sample of non-overlapping concepts...
June 2017: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/28515149/pyruvate-kinase-inhibits-proliferation-during-postnatal-cerebellar-neurogenesis-and-suppresses-medulloblastoma-formation
#20
Katherine Tech, Andrey P Tikunov, Hamza Farooq, A Sorana Morrissy, Jessica Meidinger, Taylor Fish, Sarah C Green, Hedi Liu, Yisu Li, Andrew J Mungall, Richard A Moore, Yussanne Ma, Steven J M Jones, Marco A Marra, Matthew G Vander Heiden, Michael D Taylor, Jeffrey M Macdonald, Timothy R Gershon
Aerobic glycolysis supports proliferation through unresolved mechanisms. We have previously shown that aerobic glycolysis is required for the regulated proliferation of cerebellar granule neuron progenitors (CGNP) and for the growth of CGNP-derived medulloblastoma. Blocking the initiation of glycolysis via deletion of hexokinase-2 (Hk2) disrupts CGNP proliferation and restricts medulloblastoma growth. Here, we assessed whether disrupting pyruvate kinase-M (Pkm), an enzyme that acts in the terminal steps of glycolysis, would alter CGNP metabolism, proliferation, and tumorigenesis...
June 15, 2017: Cancer Research
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