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  • Cell Line  (129)
  • Crystallography, X-Ray  (115)
  • Cell Proliferation
  • Nature Publishing Group (NPG)  (289)
  • 2010-2014  (289)
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  • 1
    Publication Date: 2014-03-29
    Description: Regulated transcription controls the diversity, developmental pathways and spatial organization of the hundreds of cell types that make up a mammal. Using single-molecule cDNA sequencing, we mapped transcription start sites (TSSs) and their usage in human and mouse primary cells, cell lines and tissues to produce a comprehensive overview of mammalian gene expression across the human body. We find that few genes are truly 'housekeeping', whereas many mammalian promoters are composite entities composed of several closely separated TSSs, with independent cell-type-specific expression profiles. TSSs specific to different cell types evolve at different rates, whereas promoters of broadly expressed genes are the most conserved. Promoter-based expression analysis reveals key transcription factors defining cell states and links them to binding-site motifs. The functions of identified novel transcripts can be predicted by coexpression and sample ontology enrichment analyses. The functional annotation of the mammalian genome 5 (FANTOM5) project provides comprehensive expression profiles and functional annotation of mammalian cell-type-specific transcriptomes with wide applications in biomedical research.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4529748/" 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/PMC4529748/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉FANTOM Consortium and the RIKEN PMI and CLST (DGT) -- Forrest, Alistair R R -- Kawaji, Hideya -- Rehli, Michael -- Baillie, J Kenneth -- de Hoon, Michiel J L -- Haberle, Vanja -- Lassmann, Timo -- Kulakovskiy, Ivan V -- Lizio, Marina -- Itoh, Masayoshi -- Andersson, Robin -- Mungall, Christopher J -- Meehan, Terrence F -- Schmeier, Sebastian -- Bertin, Nicolas -- Jorgensen, Mette -- Dimont, Emmanuel -- Arner, Erik -- Schmidl, Christian -- Schaefer, Ulf -- Medvedeva, Yulia A -- Plessy, Charles -- Vitezic, Morana -- Severin, Jessica -- Semple, Colin A -- Ishizu, Yuri -- Young, Robert S -- Francescatto, Margherita -- Alam, Intikhab -- Albanese, Davide -- Altschuler, Gabriel M -- Arakawa, Takahiro -- Archer, John A C -- Arner, Peter -- Babina, Magda -- Rennie, Sarah -- Balwierz, Piotr J -- Beckhouse, Anthony G -- Pradhan-Bhatt, Swati -- Blake, Judith A -- Blumenthal, Antje -- Bodega, Beatrice -- Bonetti, Alessandro -- Briggs, James -- Brombacher, Frank -- Burroughs, A Maxwell -- Califano, Andrea -- Cannistraci, Carlo V -- Carbajo, Daniel -- Chen, Yun -- Chierici, Marco -- Ciani, Yari -- Clevers, Hans C -- Dalla, Emiliano -- Davis, Carrie A -- Detmar, Michael -- Diehl, Alexander D -- Dohi, Taeko -- Drablos, Finn -- Edge, Albert S B -- Edinger, Matthias -- Ekwall, Karl -- Endoh, Mitsuhiro -- Enomoto, Hideki -- Fagiolini, Michela -- Fairbairn, Lynsey -- Fang, Hai -- Farach-Carson, Mary C -- Faulkner, Geoffrey J -- Favorov, Alexander V -- Fisher, Malcolm E -- Frith, Martin C -- Fujita, Rie -- Fukuda, Shiro -- Furlanello, Cesare -- Furino, Masaaki -- Furusawa, Jun-ichi -- Geijtenbeek, Teunis B -- Gibson, Andrew P -- Gingeras, Thomas -- Goldowitz, Daniel -- Gough, Julian -- Guhl, Sven -- Guler, Reto -- Gustincich, Stefano -- Ha, Thomas J -- Hamaguchi, Masahide -- Hara, Mitsuko -- Harbers, Matthias -- Harshbarger, Jayson -- Hasegawa, Akira -- Hasegawa, Yuki -- Hashimoto, Takehiro -- Herlyn, Meenhard -- Hitchens, Kelly J -- Ho Sui, Shannan J -- Hofmann, Oliver M -- Hoof, Ilka -- Hori, Furni -- Huminiecki, Lukasz -- Iida, Kei -- Ikawa, Tomokatsu -- Jankovic, Boris R -- Jia, Hui -- Joshi, Anagha -- Jurman, Giuseppe -- Kaczkowski, Bogumil -- Kai, Chieko -- Kaida, Kaoru -- Kaiho, Ai -- Kajiyama, Kazuhiro -- Kanamori-Katayama, Mutsumi -- Kasianov, Artem S -- Kasukawa, Takeya -- Katayama, Shintaro -- Kato, Sachi -- Kawaguchi, Shuji -- Kawamoto, Hiroshi -- Kawamura, Yuki I -- Kawashima, Tsugumi -- Kempfle, Judith S -- Kenna, Tony J -- Kere, Juha -- Khachigian, Levon M -- Kitamura, Toshio -- Klinken, S Peter -- Knox, Alan J -- Kojima, Miki -- Kojima, Soichi -- Kondo, Naoto -- Koseki, Haruhiko -- Koyasu, Shigeo -- Krampitz, Sarah -- Kubosaki, Atsutaka -- Kwon, Andrew T -- Laros, Jeroen F J -- Lee, Weonju -- Lennartsson, Andreas -- Li, Kang -- Lilje, Berit -- Lipovich, Leonard -- Mackay-Sim, Alan -- Manabe, Ri-ichiroh -- Mar, Jessica C -- Marchand, Benoit -- Mathelier, Anthony -- Mejhert, Niklas -- Meynert, Alison -- Mizuno, Yosuke -- de Lima Morais, David A -- Morikawa, Hiromasa -- Morimoto, Mitsuru -- Moro, Kazuyo -- Motakis, Efthymios -- Motohashi, Hozumi -- Mummery, Christine L -- Murata, Mitsuyoshi -- Nagao-Sato, Sayaka -- Nakachi, Yutaka -- Nakahara, Fumio -- Nakamura, Toshiyuki -- Nakamura, Yukio -- Nakazato, Kenichi -- van Nimwegen, Erik -- Ninomiya, Noriko -- Nishiyori, Hiromi -- Noma, Shohei -- Noazaki, Tadasuke -- Ogishima, Soichi -- Ohkura, Naganari -- Ohimiya, Hiroko -- Ohno, Hiroshi -- Ohshima, Mitsuhiro -- Okada-Hatakeyama, Mariko -- Okazaki, Yasushi -- Orlando, Valerio -- Ovchinnikov, Dmitry A -- Pain, Arnab -- Passier, Robert -- Patrikakis, Margaret -- Persson, Helena -- Piazza, Silvano -- Prendergast, James G D -- Rackham, Owen J L -- Ramilowski, Jordan A -- Rashid, Mamoon -- Ravasi, Timothy -- Rizzu, Patrizia -- Roncador, Marco -- Roy, Sugata -- Rye, Morten B -- Saijyo, Eri -- Sajantila, Antti -- Saka, Akiko -- Sakaguchi, Shimon -- Sakai, Mizuho -- Sato, Hiroki -- Savvi, Suzana -- Saxena, Alka -- Schneider, Claudio -- Schultes, Erik A -- Schulze-Tanzil, Gundula G -- Schwegmann, Anita -- Sengstag, Thierry -- Sheng, Guojun -- Shimoji, Hisashi -- Shimoni, Yishai -- Shin, Jay W -- Simon, Christophe -- Sugiyama, Daisuke -- Sugiyama, Takaai -- Suzuki, Masanori -- Suzuki, Naoko -- Swoboda, Rolf K -- 't Hoen, Peter A C -- Tagami, Michihira -- Takahashi, Naoko -- Takai, Jun -- Tanaka, Hiroshi -- Tatsukawa, Hideki -- Tatum, Zuotian -- Thompson, Mark -- Toyodo, Hiroo -- Toyoda, Tetsuro -- Valen, Elvind -- van de Wetering, Marc -- van den Berg, Linda M -- Verado, Roberto -- Vijayan, Dipti -- Vorontsov, Ilya E -- Wasserman, Wyeth W -- Watanabe, Shoko -- Wells, Christine A -- Winteringham, Louise N -- Wolvetang, Ernst -- Wood, Emily J -- Yamaguchi, Yoko -- Yamamoto, Masayuki -- Yoneda, Misako -- Yonekura, Yohei -- Yoshida, Shigehiro -- Zabierowski, Susan E -- Zhang, Peter G -- Zhao, Xiaobei -- Zucchelli, Silvia -- Summers, Kim M -- Suzuki, Harukazu -- Daub, Carsten O -- Kawai, Jun -- Heutink, Peter -- Hide, Winston -- Freeman, Tom C -- Lenhard, Boris -- Bajic, Vladimir B -- Taylor, Martin S -- Makeev, Vsevolod J -- Sandelin, Albin -- Hume, David A -- Carninci, Piero -- Hayashizaki, Yoshihide -- BB/F003722/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G022771/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/I001107/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- MC_PC_U127597124/Medical Research Council/United Kingdom -- MC_UP_1102/1/Medical Research Council/United Kingdom -- R01 DE022969/DE/NIDCR NIH HHS/ -- R01 GM084875/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Mar 27;507(7493):462-70. doi: 10.1038/nature13182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670764" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atlases as Topic ; Cell Line ; Cells, Cultured ; Cluster Analysis ; Conserved Sequence/genetics ; Gene Expression Regulation/genetics ; Gene Regulatory Networks/genetics ; Genes, Essential/genetics ; Genome/genetics ; Humans ; Mice ; *Molecular Sequence Annotation ; Open Reading Frames/genetics ; Organ Specificity ; Promoter Regions, Genetic/*genetics ; RNA, Messenger/analysis/genetics ; Transcription Factors/metabolism ; Transcription Initiation Site ; Transcription, Genetic/genetics ; Transcriptome/*genetics
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2013-07-05
    Description: Human infection associated with a novel reassortant avian influenza H7N9 virus has recently been identified in China. A total of 132 confirmed cases and 39 deaths have been reported. Most patients presented with severe pneumonia and acute respiratory distress syndrome. Although the first epidemic has subsided, the presence of a natural reservoir and the disease severity highlight the need to evaluate its risk on human public health and to understand the possible pathogenesis mechanism. Here we show that the emerging H7N9 avian influenza virus poses a potentially high risk to humans. We discover that the H7N9 virus can bind to both avian-type (alpha2,3-linked sialic acid) and human-type (alpha2,6-linked sialic acid) receptors. It can invade epithelial cells in the human lower respiratory tract and type II pneumonocytes in alveoli, and replicated efficiently in ex vivo lung and trachea explant culture and several mammalian cell lines. In acute serum samples of H7N9-infected patients, increased levels of the chemokines and cytokines IP-10, MIG, MIP-1beta, MCP-1, IL-6, IL-8 and IFN-alpha were detected. We note that the human population is naive to the H7N9 virus, and current seasonal vaccination could not provide protection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Jianfang -- Wang, Dayan -- Gao, Rongbao -- Zhao, Baihui -- Song, Jingdong -- Qi, Xian -- Zhang, Yanjun -- Shi, Yonglin -- Yang, Lei -- Zhu, Wenfei -- Bai, Tian -- Qin, Kun -- Lan, Yu -- Zou, Shumei -- Guo, Junfeng -- Dong, Jie -- Dong, Libo -- Zhang, Ye -- Wei, Hejiang -- Li, Xiaodan -- Lu, Jian -- Liu, Liqi -- Zhao, Xiang -- Li, Xiyan -- Huang, Weijuan -- Wen, Leying -- Bo, Hong -- Xin, Li -- Chen, Yongkun -- Xu, Cuilin -- Pei, Yuquan -- Yang, Yue -- Zhang, Xiaodong -- Wang, Shiwen -- Feng, Zijian -- Han, Jun -- Yang, Weizhong -- Gao, George F -- Wu, Guizhen -- Li, Dexin -- Wang, Yu -- Shu, Yuelong -- England -- Nature. 2013 Jul 25;499(7459):500-3. doi: 10.1038/nature12379. Epub 2013 Jul 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute for Viral Disease Control and Prevention, China CDC, Key Laboratory for Medical Virology, National Health and Family Planning Commission, Beijing 102206, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23823727" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/immunology ; Birds/virology ; Bronchi/cytology/metabolism/virology ; Cell Line ; Chemokines/blood ; China ; Cross Reactions/immunology ; Epithelial Cells/virology ; Host Specificity ; Humans ; In Vitro Techniques ; Influenza A Virus, H5N1 Subtype/immunology/physiology ; Influenza A virus/immunology/pathogenicity/*physiology ; Influenza Vaccines/immunology ; Influenza in Birds/transmission/*virology ; Influenza, Human/blood/immunology/virology ; Lung/virology ; N-Acetylneuraminic Acid/analogs & derivatives/chemistry/metabolism ; Organ Specificity ; Pulmonary Alveoli/cytology/metabolism/virology ; Receptors, Virus/chemistry/*metabolism ; Trachea/virology ; Virus Replication ; Zoonoses/transmission/virology
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  • 3
    Publication Date: 2010-12-24
    Description: Impulsivity, describing action without foresight, is an important feature of several psychiatric diseases, suicidality and violent behaviour. The complex origins of impulsivity hinder identification of the genes influencing it and the diseases with which it is associated. Here we perform exon-focused sequencing of impulsive individuals in a founder population, targeting fourteen genes belonging to the serotonin and dopamine domain. A stop codon in HTR2B was identified that is common (minor allele frequency 〉 1%) but exclusive to Finnish people. Expression of the gene in the human brain was assessed, as well as the molecular functionality of the stop codon, which was associated with psychiatric diseases marked by impulsivity in both population and family-based analyses. Knockout of Htr2b increased impulsive behaviours in mice, indicative of predictive validity. Our study shows the potential for identifying and tracing effects of rare alleles in complex behavioural phenotypes using founder populations, and indicates a role for HTR2B in impulsivity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3183507/" 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/PMC3183507/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bevilacqua, Laura -- Doly, Stephane -- Kaprio, Jaakko -- Yuan, Qiaoping -- Tikkanen, Roope -- Paunio, Tiina -- Zhou, Zhifeng -- Wedenoja, Juho -- Maroteaux, Luc -- Diaz, Silvina -- Belmer, Arnaud -- Hodgkinson, Colin A -- Dell'osso, Liliana -- Suvisaari, Jaana -- Coccaro, Emil -- Rose, Richard J -- Peltonen, Leena -- Virkkunen, Matti -- Goldman, David -- AA-09203/AA/NIAAA NIH HHS/ -- AA-12502/AA/NIAAA NIH HHS/ -- Z01 AA000301-09/Intramural NIH HHS/ -- Z01 AA000301-10/Intramural NIH HHS/ -- Z99 AA999999/Intramural NIH HHS/ -- England -- Nature. 2010 Dec 23;468(7327):1061-6. doi: 10.1038/nature09629.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, NIH, Rockville, Maryland 20852, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21179162" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/metabolism ; Case-Control Studies ; Cell Line ; Female ; Finland ; Founder Effect ; Gene Expression Regulation ; Gene Knockout Techniques ; Genotype ; Humans ; Impulsive Behavior/*genetics ; Male ; Mental Disorders/genetics ; Mice ; Mice, 129 Strain ; Mice, Knockout ; Pedigree ; Polymorphism, Single Nucleotide/genetics ; Receptor, Serotonin, 5-HT2B/*genetics/*metabolism ; Testosterone/blood/cerebrospinal fluid
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  • 4
    Publication Date: 2013-10-11
    Description: DNA methylation was first described almost a century ago; however, the rules governing its establishment and maintenance remain elusive. Here we present data demonstrating that active transcription regulates levels of genomic methylation. We identify a novel RNA arising from the CEBPA gene locus that is critical in regulating the local DNA methylation profile. This RNA binds to DNMT1 and prevents CEBPA gene locus methylation. Deep sequencing of transcripts associated with DNMT1 combined with genome-scale methylation and expression profiling extend the generality of this finding to numerous gene loci. Collectively, these results delineate the nature of DNMT1-RNA interactions and suggest strategies for gene-selective demethylation of therapeutic targets in human diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3870304/" 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/PMC3870304/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Ruscio, Annalisa -- Ebralidze, Alexander K -- Benoukraf, Touati -- Amabile, Giovanni -- Goff, Loyal A -- Terragni, Jolyon -- Figueroa, Maria Eugenia -- De Figueiredo Pontes, Lorena Lobo -- Alberich-Jorda, Meritxell -- Zhang, Pu -- Wu, Mengchu -- D'Alo, Francesco -- Melnick, Ari -- Leone, Giuseppe -- Ebralidze, Konstantin K -- Pradhan, Sriharsa -- Rinn, John L -- Tenen, Daniel G -- CA118316/CA/NCI NIH HHS/ -- CA66996/CA/NCI NIH HHS/ -- HL56745/HL/NHLBI NIH HHS/ -- P01 CA066996/CA/NCI NIH HHS/ -- R01 CA118316/CA/NCI NIH HHS/ -- R01 HL056745/HL/NHLBI NIH HHS/ -- R01 HL112719/HL/NHLBI NIH HHS/ -- T32 HL007917-11A1/HL/NHLBI NIH HHS/ -- England -- Nature. 2013 Nov 21;503(7476):371-6. doi: 10.1038/nature12598. Epub 2013 Oct 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Harvard Stem Cell Institute, Harvard Medical School, Boston, Massachusetts 02115, USA [2] Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA [3] Universita Cattolica del Sacro Cuore, Institute of Hematology, L.go A. Gemelli 8, Rome 00168, Italy [4].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24107992" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; CCAAT-Enhancer-Binding Proteins/*genetics ; Cell Line ; DNA/genetics/metabolism ; DNA (Cytosine-5-)-Methyltransferase/*metabolism ; DNA Methylation/*genetics ; Gene Expression Profiling ; Gene Expression Regulation/*genetics ; Genome, Human/genetics ; Humans ; RNA, Messenger/genetics/metabolism ; RNA, Untranslated/genetics/*metabolism ; RNA-Binding Proteins/metabolism ; Substrate Specificity ; Transcription, Genetic/genetics
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  • 5
    Publication Date: 2013-11-15
    Description: Glucose homeostasis is a vital and complex process, and its disruption can cause hyperglycaemia and type II diabetes mellitus. Glucokinase (GK), a key enzyme that regulates glucose homeostasis, converts glucose to glucose-6-phosphate in pancreatic beta-cells, liver hepatocytes, specific hypothalamic neurons, and gut enterocytes. In hepatocytes, GK regulates glucose uptake and glycogen synthesis, suppresses glucose production, and is subject to the endogenous inhibitor GK regulatory protein (GKRP). During fasting, GKRP binds, inactivates and sequesters GK in the nucleus, which removes GK from the gluconeogenic process and prevents a futile cycle of glucose phosphorylation. Compounds that directly hyperactivate GK (GK activators) lower blood glucose levels and are being evaluated clinically as potential therapeutics for the treatment of type II diabetes mellitus. However, initial reports indicate that an increased risk of hypoglycaemia is associated with some GK activators. To mitigate the risk of hypoglycaemia, we sought to increase GK activity by blocking GKRP. Here we describe the identification of two potent small-molecule GK-GKRP disruptors (AMG-1694 and AMG-3969) that normalized blood glucose levels in several rodent models of diabetes. These compounds potently reversed the inhibitory effect of GKRP on GK activity and promoted GK translocation both in vitro (isolated hepatocytes) and in vivo (liver). A co-crystal structure of full-length human GKRP in complex with AMG-1694 revealed a previously unknown binding pocket in GKRP distinct from that of the phosphofructose-binding site. Furthermore, with AMG-1694 and AMG-3969 (but not GK activators), blood glucose lowering was restricted to diabetic and not normoglycaemic animals. These findings exploit a new cellular mechanism for lowering blood glucose levels with reduced potential for hypoglycaemic risk in patients with type II diabetes mellitus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lloyd, David J -- St Jean, David J Jr -- Kurzeja, Robert J M -- Wahl, Robert C -- Michelsen, Klaus -- Cupples, Rod -- Chen, Michelle -- Wu, John -- Sivits, Glenn -- Helmering, Joan -- Komorowski, Renee -- Ashton, Kate S -- Pennington, Lewis D -- Fotsch, Christopher -- Vazir, Mukta -- Chen, Kui -- Chmait, Samer -- Zhang, Jiandong -- Liu, Longbin -- Norman, Mark H -- Andrews, Kristin L -- Bartberger, Michael D -- Van, Gwyneth -- Galbreath, Elizabeth J -- Vonderfecht, Steven L -- Wang, Minghan -- Jordan, Steven R -- Veniant, Murielle M -- Hale, Clarence -- England -- Nature. 2013 Dec 19;504(7480):437-40. doi: 10.1038/nature12724. Epub 2013 Nov 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Metabolic Disorders, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, USA. ; Department of Therapeutic Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, USA. ; Department of Comparative Biology & Safety Sciences, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24226772" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Blood Glucose/metabolism ; Carrier Proteins/*antagonists & inhibitors/metabolism ; Cell Nucleus/enzymology ; Crystallography, X-Ray ; Diabetes Mellitus, Type 2/blood/*drug therapy/enzymology ; Disease Models, Animal ; Hepatocytes ; Humans ; Hyperglycemia/blood/drug therapy/enzymology ; Hypoglycemic Agents/chemistry/*pharmacology/*therapeutic use ; Liver/cytology/enzymology/metabolism ; Male ; Models, Molecular ; Organ Specificity ; Phosphorylation/drug effects ; Piperazines/chemistry/metabolism/pharmacology/therapeutic use ; Protein Binding/drug effects ; Protein Transport/drug effects ; Rats ; Rats, Wistar ; Sulfonamides/chemistry/metabolism/pharmacology/therapeutic use
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  • 6
    Publication Date: 2012-10-12
    Description: Antigen-presenting molecules, encoded by the major histocompatibility complex (MHC) and CD1 family, bind peptide- and lipid-based antigens, respectively, for recognition by T cells. Mucosal-associated invariant T (MAIT) cells are an abundant population of innate-like T cells in humans that are activated by an antigen(s) bound to the MHC class I-like molecule MR1. Although the identity of MR1-restricted antigen(s) is unknown, it is present in numerous bacteria and yeast. Here we show that the structure and chemistry within the antigen-binding cleft of MR1 is distinct from the MHC and CD1 families. MR1 is ideally suited to bind ligands originating from vitamin metabolites. The structure of MR1 in complex with 6-formyl pterin, a folic acid (vitamin B9) metabolite, shows the pterin ring sequestered within MR1. Furthermore, we characterize related MR1-restricted vitamin derivatives, originating from the bacterial riboflavin (vitamin B2) biosynthetic pathway, which specifically and potently activate MAIT cells. Accordingly, we show that metabolites of vitamin B represent a class of antigen that are presented by MR1 for MAIT-cell immunosurveillance. As many vitamin biosynthetic pathways are unique to bacteria and yeast, our data suggest that MAIT cells use these metabolites to detect microbial infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kjer-Nielsen, Lars -- Patel, Onisha -- Corbett, Alexandra J -- Le Nours, Jerome -- Meehan, Bronwyn -- Liu, Ligong -- Bhati, Mugdha -- Chen, Zhenjun -- Kostenko, Lyudmila -- Reantragoon, Rangsima -- Williamson, Nicholas A -- Purcell, Anthony W -- Dudek, Nadine L -- McConville, Malcolm J -- O'Hair, Richard A J -- Khairallah, George N -- Godfrey, Dale I -- Fairlie, David P -- Rossjohn, Jamie -- McCluskey, James -- England -- Nature. 2012 Nov 29;491(7426):717-23. doi: 10.1038/nature11605. Epub 2012 Oct 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology & Immunology, University of Melbourne, Parkville, Victoria 3010, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23051753" target="_blank"〉PubMed〈/a〉
    Keywords: Antigen Presentation ; Bacterial Infections/immunology/microbiology ; Binding Sites ; Cell Line ; Crystallography, X-Ray ; Folic Acid/chemistry/immunology/*metabolism ; Histocompatibility Antigens/chemistry/immunology ; Histocompatibility Antigens Class I/*chemistry/*immunology/metabolism ; Humans ; Immunologic Surveillance/immunology ; Jurkat Cells ; Ligands ; Lymphocyte Activation ; Models, Molecular ; Protein Refolding/drug effects ; Pterins/*chemistry/*immunology/metabolism/pharmacology ; Salmonella/immunology/metabolism ; Salmonella Infections/immunology/microbiology ; Static Electricity ; T-Lymphocytes/*immunology ; beta 2-Microglobulin/immunology/metabolism
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  • 7
    Publication Date: 2012-08-17
    Description: Inactivation of tumour-suppressor genes by homozygous deletion is a prototypic event in the cancer genome, yet such deletions often encompass neighbouring genes. We propose that homozygous deletions in such passenger genes can expose cancer-specific therapeutic vulnerabilities when the collaterally deleted gene is a member of a functionally redundant family of genes carrying out an essential function. The glycolytic gene enolase 1 (ENO1) in the 1p36 locus is deleted in glioblastoma (GBM), which is tolerated by the expression of ENO2. Here we show that short-hairpin-RNA-mediated silencing of ENO2 selectively inhibits growth, survival and the tumorigenic potential of ENO1-deleted GBM cells, and that the enolase inhibitor phosphonoacetohydroxamate is selectively toxic to ENO1-deleted GBM cells relative to ENO1-intact GBM cells or normal astrocytes. The principle of collateral vulnerability should be applicable to other passenger-deleted genes encoding functionally redundant essential activities and provide an effective treatment strategy for cancers containing such genomic events.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3712624/" 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/PMC3712624/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muller, Florian L -- Colla, Simona -- Aquilanti, Elisa -- Manzo, Veronica E -- Genovese, Giannicola -- Lee, Jaclyn -- Eisenson, Daniel -- Narurkar, Rujuta -- Deng, Pingna -- Nezi, Luigi -- Lee, Michelle A -- Hu, Baoli -- Hu, Jian -- Sahin, Ergun -- Ong, Derrick -- Fletcher-Sananikone, Eliot -- Ho, Dennis -- Kwong, Lawrence -- Brennan, Cameron -- Wang, Y Alan -- Chin, Lynda -- DePinho, Ronald A -- 3 P01 CA095616-08S1/CA/NCI NIH HHS/ -- 57006984/Howard Hughes Medical Institute/ -- P01 CA095616/CA/NCI NIH HHS/ -- P01CA95616/CA/NCI NIH HHS/ -- T32-CA009361/CA/NCI NIH HHS/ -- England -- Nature. 2012 Aug 16;488(7411):337-42. doi: 10.1038/nature11331.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genomic Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22895339" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/pharmacology/therapeutic use ; Biomarkers, Tumor/deficiency/genetics ; Brain Neoplasms/*drug therapy/*genetics/pathology ; Cell Line, Tumor ; Cell Proliferation ; Chromosomes, Human, Pair 1/genetics ; DNA-Binding Proteins/deficiency/genetics ; Enzyme Inhibitors ; Gene Expression Regulation, Neoplastic ; Gene Knockdown Techniques ; Genes, Essential/*genetics ; Genes, Tumor Suppressor ; Glioblastoma/*drug therapy/*genetics/pathology ; Homozygote ; Humans ; Hydroxamic Acids/pharmacology/therapeutic use ; Mice ; Molecular Targeted Therapy/*methods ; Neoplasm Transplantation ; Phosphonoacetic Acid/analogs & derivatives/pharmacology/therapeutic use ; Phosphopyruvate Hydratase/antagonists & inhibitors/deficiency/genetics/metabolism ; RNA, Small Interfering/genetics ; Sequence Deletion/*genetics ; Tumor Suppressor Proteins/deficiency/genetics
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2012-01-13
    Description: Retinoblastoma is an aggressive childhood cancer of the developing retina that is initiated by the biallelic loss of RB1. Tumours progress very quickly following RB1 inactivation but the underlying mechanism is not known. Here we show that the retinoblastoma genome is stable, but that multiple cancer pathways can be epigenetically deregulated. To identify the mutations that cooperate with RB1 loss, we performed whole-genome sequencing of retinoblastomas. The overall mutational rate was very low; RB1 was the only known cancer gene mutated. We then evaluated the role of RB1 in genome stability and considered non-genetic mechanisms of cancer pathway deregulation. For example, the proto-oncogene SYK is upregulated in retinoblastoma and is required for tumour cell survival. Targeting SYK with a small-molecule inhibitor induced retinoblastoma tumour cell death in vitro and in vivo. Thus, retinoblastomas may develop quickly as a result of the epigenetic deregulation of key cancer pathways as a direct or indirect result of RB1 loss.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3289956/" 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/PMC3289956/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Jinghui -- Benavente, Claudia A -- McEvoy, Justina -- Flores-Otero, Jacqueline -- Ding, Li -- Chen, Xiang -- Ulyanov, Anatoly -- Wu, Gang -- Wilson, Matthew -- Wang, Jianmin -- Brennan, Rachel -- Rusch, Michael -- Manning, Amity L -- Ma, Jing -- Easton, John -- Shurtleff, Sheila -- Mullighan, Charles -- Pounds, Stanley -- Mukatira, Suraj -- Gupta, Pankaj -- Neale, Geoff -- Zhao, David -- Lu, Charles -- Fulton, Robert S -- Fulton, Lucinda L -- Hong, Xin -- Dooling, David J -- Ochoa, Kerri -- Naeve, Clayton -- Dyson, Nicholas J -- Mardis, Elaine R -- Bahrami, Armita -- Ellison, David -- Wilson, Richard K -- Downing, James R -- Dyer, Michael A -- CA21765/CA/NCI NIH HHS/ -- CA64402/CA/NCI NIH HHS/ -- EY014867/EY/NEI NIH HHS/ -- EY018599/EY/NEI NIH HHS/ -- GM81607/GM/NIGMS NIH HHS/ -- R01 CA155202/CA/NCI NIH HHS/ -- R01 EY014867/EY/NEI NIH HHS/ -- R01 EY014867-02/EY/NEI NIH HHS/ -- R01 EY018599/EY/NEI NIH HHS/ -- R01 EY018599-03/EY/NEI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Jan 11;481(7381):329-34. doi: 10.1038/nature10733.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Computational Biology and Bioinformatics, St Jude Children's Research Hospital, Memphis, Tennessee 38105, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22237022" target="_blank"〉PubMed〈/a〉
    Keywords: Aneuploidy ; Animals ; Cell Death/drug effects ; Cell Line ; Cell Survival/drug effects ; Chromosomal Instability/genetics ; Epigenesis, Genetic/*genetics ; Gene Expression Regulation, Neoplastic ; Genes, Retinoblastoma/genetics ; *Genomics ; Humans ; Intracellular Signaling Peptides and Proteins/antagonists & ; inhibitors/genetics/metabolism ; Mice ; *Molecular Targeted Therapy ; Mutation/genetics ; Protein Kinase Inhibitors/*pharmacology/therapeutic use ; Protein-Tyrosine Kinases/antagonists & inhibitors/genetics/metabolism ; Retinoblastoma/*drug therapy/*genetics/pathology ; Retinoblastoma Protein/deficiency/genetics ; Sequence Analysis, DNA ; Xenograft Model Antitumor Assays
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2014-05-09
    Description: Efficient duplication of the genome requires the concerted action of helicase and DNA polymerases at replication forks to avoid stalling of the replication machinery and consequent genomic instability. In eukaryotes, the physical coupling between helicase and DNA polymerases remains poorly understood. Here we define the molecular mechanism by which the yeast Ctf4 protein links the Cdc45-MCM-GINS (CMG) DNA helicase to DNA polymerase alpha (Pol alpha) within the replisome. We use X-ray crystallography and electron microscopy to show that Ctf4 self-associates in a constitutive disk-shaped trimer. Trimerization depends on a beta-propeller domain in the carboxy-terminal half of the protein, which is fused to a helical extension that protrudes from one face of the trimeric disk. Critically, Pol alpha and the CMG helicase share a common mechanism of interaction with Ctf4. We show that the amino-terminal tails of the catalytic subunit of Pol alpha and the Sld5 subunit of GINS contain a conserved Ctf4-binding motif that docks onto the exposed helical extension of a Ctf4 protomer within the trimer. Accordingly, we demonstrate that one Ctf4 trimer can support binding of up to three partner proteins, including the simultaneous association with both Pol alpha and GINS. Our findings indicate that Ctf4 can couple two molecules of Pol alpha to one CMG helicase within the replisome, providing a new model for lagging-strand synthesis in eukaryotes that resembles the emerging model for the simpler replisome of Escherichia coli. The ability of Ctf4 to act as a platform for multivalent interactions illustrates a mechanism for the concurrent recruitment of factors that act together at the fork.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4059944/" 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/PMC4059944/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simon, Aline C -- Zhou, Jin C -- Perera, Rajika L -- van Deursen, Frederick -- Evrin, Cecile -- Ivanova, Marina E -- Kilkenny, Mairi L -- Renault, Ludovic -- Kjaer, Svend -- Matak-Vinkovic, Dijana -- Labib, Karim -- Costa, Alessandro -- Pellegrini, Luca -- 084279/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- Medical Research Council/United Kingdom -- England -- Nature. 2014 Jun 12;510(7504):293-7. doi: 10.1038/nature13234. Epub 2014 May 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK [2]. ; 1] Clare Hall Laboratories, Cancer Research UK London Research Institute, London EN6 3LD, UK [2]. ; 1] Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK [2] Imperial College, South Kensington, London SW7 2AZ, UK (R.L.P.); Cancer Research UK London Research Institute, London WC2A 3LY, UK (M.E.I.). ; Cancer Research UK Manchester Institute, University of Manchester, Manchester M20 4BX, UK. ; MRC Protein Phosphorylation and Ubiquitylation Unit, College of Life Sciences, University of Dundee, Dundee DD1 5EH, UK. ; Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK. ; Clare Hall Laboratories, Cancer Research UK London Research Institute, London EN6 3LD, UK. ; Protein purification, Cancer Research UK London Research Institute, London WC2A 3LY, UK. ; Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24805245" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Catalytic Domain ; Conserved Sequence ; Crystallography, X-Ray ; DNA Helicases/chemistry/*metabolism/ultrastructure ; DNA Polymerase I/chemistry/*metabolism/ultrastructure ; *DNA Replication ; DNA-Binding Proteins/*chemistry/*metabolism/ultrastructure ; DNA-Directed DNA Polymerase/*chemistry/*metabolism ; Microscopy, Electron ; Minichromosome Maintenance Proteins/chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Multienzyme Complexes/*chemistry/*metabolism ; Nuclear Proteins/chemistry/metabolism ; Protein Binding ; *Protein Multimerization ; Protein Structure, Quaternary ; Protein Subunits/chemistry/metabolism ; Saccharomyces cerevisiae/*chemistry/ultrastructure ; Saccharomyces cerevisiae Proteins/*chemistry/*metabolism/ultrastructure
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2012-07-24
    Description: The identification of somatic activating mutations in JAK2 (refs 1-4) and in the thrombopoietin receptor gene (MPL) in most patients with myeloproliferative neoplasm (MPN) led to the clinical development of JAK2 kinase inhibitors. JAK2 inhibitor therapy improves MPN-associated splenomegaly and systemic symptoms but does not significantly decrease or eliminate the MPN clone in most patients with MPN. We therefore sought to characterize mechanisms by which MPN cells persist despite chronic inhibition of JAK2. Here we show that JAK2 inhibitor persistence is associated with reactivation of JAK-STAT signalling and with heterodimerization between activated JAK2 and JAK1 or TYK2, consistent with activation of JAK2 in trans by other JAK kinases. Further, this phenomenon is reversible: JAK2 inhibitor withdrawal is associated with resensitization to JAK2 kinase inhibitors and with reversible changes in JAK2 expression. We saw increased JAK2 heterodimerization and sustained JAK2 activation in cell lines, in murine models and in patients treated with JAK2 inhibitors. RNA interference and pharmacological studies show that JAK2-inhibitor-persistent cells remain dependent on JAK2 protein expression. Consequently, therapies that result in JAK2 degradation retain efficacy in persistent cells and may provide additional benefit to patients with JAK2-dependent malignancies treated with JAK2 inhibitors.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3991463/" 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/PMC3991463/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koppikar, Priya -- Bhagwat, Neha -- Kilpivaara, Outi -- Manshouri, Taghi -- Adli, Mazhar -- Hricik, Todd -- Liu, Fan -- Saunders, Lindsay M -- Mullally, Ann -- Abdel-Wahab, Omar -- Leung, Laura -- Weinstein, Abby -- Marubayashi, Sachie -- Goel, Aviva -- Gonen, Mithat -- Estrov, Zeev -- Ebert, Benjamin L -- Chiosis, Gabriela -- Nimer, Stephen D -- Bernstein, Bradley E -- Verstovsek, Srdan -- Levine, Ross L -- 1R01CA151949-01/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- R01 CA151949/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Sep 6;489(7414):155-9. doi: 10.1038/nature11303.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22820254" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Disease Models, Animal ; Drug Resistance, Neoplasm/drug effects ; Enzyme Activation/drug effects ; Gene Knockdown Techniques ; Granulocytes/drug effects/enzymology/metabolism ; HSP90 Heat-Shock Proteins/antagonists & inhibitors/metabolism ; Humans ; Janus Kinase 1/biosynthesis/deficiency/genetics/metabolism ; Janus Kinase 2/*antagonists & inhibitors/deficiency/genetics/*metabolism ; Mice ; Myeloproliferative Disorders/*drug therapy/enzymology/metabolism/pathology ; Phosphorylation ; Protein Biosynthesis ; *Protein Multimerization ; RNA Interference ; STAT Transcription Factors/*metabolism ; *Signal Transduction/drug effects ; TYK2 Kinase/biosynthesis/deficiency/genetics/metabolism
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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