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  • 1
    Publication Date: 2008-12-05
    Description: Stem cells reside in a specialized, regulatory environment termed the niche that dictates how they generate, maintain and repair tissues. We have previously documented that transplanted haematopoietic stem and progenitor cell populations localize to subdomains of bone-marrow microvessels where the chemokine CXCL12 is particularly abundant. Using a combination of high-resolution confocal microscopy and two-photon video imaging of individual haematopoietic cells in the calvarium bone marrow of living mice over time, we examine the relationship of haematopoietic stem and progenitor cells to blood vessels, osteoblasts and endosteal surface as they home and engraft in irradiated and c-Kit-receptor-deficient recipient mice. Osteoblasts were enmeshed in microvessels and relative positioning of stem/progenitor cells within this complex tissue was nonrandom and dynamic. Both cell autonomous and non-autonomous factors influenced primitive cell localization. Different haematopoietic cell subsets localized to distinct locations according to the stage of differentiation. When physiological challenges drove either engraftment or expansion, bone-marrow stem/progenitor cells assumed positions in close proximity to bone and osteoblasts. Our analysis permits observing in real time, at a single cell level, processes that previously have been studied only by their long-term outcome at the organismal level.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2820276/" 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/PMC2820276/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lo Celso, Cristina -- Fleming, Heather E -- Wu, Juwell W -- Zhao, Cher X -- Miake-Lye, Sam -- Fujisaki, Joji -- Cote, Daniel -- Rowe, David W -- Lin, Charles P -- Scadden, David T -- R01 EY014106/EY/NEI NIH HHS/ -- R01 EY014106-05/EY/NEI NIH HHS/ -- England -- Nature. 2009 Jan 1;457(7225):92-6. doi: 10.1038/nature07434. Epub 2008 Dec 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Regenerative Medicine, Massachusetts General Hospital, 185 Cambridge Street, Boston, Massachusetts 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19052546" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Vessels/cytology ; Bone Marrow ; Cell Division ; Cell Separation ; Hematopoietic Stem Cells/*cytology ; Mice ; Mice, Inbred C57BL ; Osteoblasts/cytology ; Proto-Oncogene Proteins c-kit/genetics/metabolism ; Skull/cytology ; Stem Cell Niche/*cytology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2009-12-25
    Description: The inference of transcriptional networks that regulate transitions into physiological or pathological cellular states remains a central challenge in systems biology. A mesenchymal phenotype is the hallmark of tumour aggressiveness in human malignant glioma, but the regulatory programs responsible for implementing the associated molecular signature are largely unknown. Here we show that reverse-engineering and an unbiased interrogation of a glioma-specific regulatory network reveal the transcriptional module that activates expression of mesenchymal genes in malignant glioma. Two transcription factors (C/EBPbeta and STAT3) emerge as synergistic initiators and master regulators of mesenchymal transformation. Ectopic co-expression of C/EBPbeta and STAT3 reprograms neural stem cells along the aberrant mesenchymal lineage, whereas elimination of the two factors in glioma cells leads to collapse of the mesenchymal signature and reduces tumour aggressiveness. In human glioma, expression of C/EBPbeta and STAT3 correlates with mesenchymal differentiation and predicts poor clinical outcome. These results show that the activation of a small regulatory module is necessary and sufficient to initiate and maintain an aberrant phenotypic state in cancer cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4011561/" 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/PMC4011561/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carro, Maria Stella -- Lim, Wei Keat -- Alvarez, Mariano Javier -- Bollo, Robert J -- Zhao, Xudong -- Snyder, Evan Y -- Sulman, Erik P -- Anne, Sandrine L -- Doetsch, Fiona -- Colman, Howard -- Lasorella, Anna -- Aldape, Ken -- Califano, Andrea -- Iavarone, Antonio -- 1RC2CA148308-01/CA/NCI NIH HHS/ -- P20 GM075059/GM/NIGMS NIH HHS/ -- P20GM075059/GM/NIGMS NIH HHS/ -- R01 CA085628/CA/NCI NIH HHS/ -- R01 CA101644/CA/NCI NIH HHS/ -- R01 CA109755/CA/NCI NIH HHS/ -- R01 CA127643/CA/NCI NIH HHS/ -- R01 NS061776/NS/NINDS NIH HHS/ -- R01 NS061776-01A2/NS/NINDS NIH HHS/ -- R01 NS061776-02/NS/NINDS NIH HHS/ -- R01CA085628/CA/NCI NIH HHS/ -- R01CA101644/CA/NCI NIH HHS/ -- R01CA109755/CA/NCI NIH HHS/ -- R01NS061776/NS/NINDS NIH HHS/ -- RC2 CA148308/CA/NCI NIH HHS/ -- U01 CA168426/CA/NCI NIH HHS/ -- U54 CA121852/CA/NCI NIH HHS/ -- U54CA121852/CA/NCI NIH HHS/ -- England -- Nature. 2010 Jan 21;463(7279):318-25. doi: 10.1038/nature08712. Epub 2009 Dec 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cancer Genetics, Columbia University Medical Center, New York, New York 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20032975" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Neoplasms/diagnosis/*genetics/*pathology ; CCAAT-Enhancer-Binding Protein-beta/genetics/metabolism ; Cell Differentiation/genetics ; Cell Line, Tumor ; Cell Transformation, Neoplastic/genetics/metabolism/pathology ; Cellular Reprogramming/genetics ; Computational Biology ; *Gene Expression Regulation, Neoplastic ; *Gene Regulatory Networks ; Glioma/diagnosis/genetics/pathology ; Humans ; Mesenchymal Stromal Cells/metabolism/pathology ; Mesoderm/*metabolism/*pathology ; Mice ; Mice, Inbred NOD ; Mice, SCID ; Neoplasm Invasiveness/genetics/pathology ; Neurons/metabolism/pathology ; Prognosis ; Reproducibility of Results ; STAT3 Transcription Factor/genetics/metabolism ; *Transcription, Genetic
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2011-07-19
    Description: The chromosomal translocations found in acute myelogenous leukemia (AML) generate oncogenic fusion transcription factors with aberrant transcriptional regulatory properties. Although therapeutic targeting of most leukemia fusion proteins remains elusive, the posttranslational modifications that control their function could be targetable. We found that AML1-ETO, the fusion protein generated by the t(8;21) translocation, is acetylated by the transcriptional coactivator p300 in leukemia cells isolated from t(8;21) AML patients, and that this acetylation is essential for its self-renewal-promoting effects in human cord blood CD34(+) cells and its leukemogenicity in mouse models. Inhibition of p300 abrogates the acetylation of AML1-ETO and impairs its ability to promote leukemic transformation. Thus, lysine acetyltransferases represent a potential therapeutic target in AML.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3251012/" 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/PMC3251012/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Lan -- Gural, Alexander -- Sun, Xiao-Jian -- Zhao, Xinyang -- Perna, Fabiana -- Huang, Gang -- Hatlen, Megan A -- Vu, Ly -- Liu, Fan -- Xu, Haiming -- Asai, Takashi -- Xu, Hao -- Deblasio, Tony -- Menendez, Silvia -- Voza, Francesca -- Jiang, Yanwen -- Cole, Philip A -- Zhang, Jinsong -- Melnick, Ari -- Roeder, Robert G -- Nimer, Stephen D -- GM62437/GM/NIGMS NIH HHS/ -- R01 GM062437/GM/NIGMS NIH HHS/ -- R01 GM062437-12/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):765-9. doi: 10.1126/science.1201662. Epub 2011 Jul 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Pharmacology and Chemistry Program, Sloan-Kettering Institute, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764752" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Cell Line ; Cell Line, Tumor ; *Cell Transformation, Neoplastic ; Core Binding Factor Alpha 2 Subunit/chemistry/*metabolism ; E1A-Associated p300 Protein/antagonists & inhibitors/*metabolism ; Fetal Blood/cytology ; Gene Expression Profiling ; Hematopoietic Stem Cells/*cytology/physiology ; Humans ; Leukemia, Myeloid, Acute/*metabolism/pathology ; Lysine/*metabolism ; Mice ; Mice, Inbred C57BL ; Mutant Proteins/metabolism ; Oncogene Proteins, Fusion/chemistry/*metabolism ; Preleukemia/metabolism/pathology ; Protein Binding ; Protein Interaction Domains and Motifs ; Protein Processing, Post-Translational ; Transcriptional Activation ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2013-10-29
    Description: Integrins have a critical role in thrombosis and haemostasis. Antagonists of the platelet integrin alphaIIbbeta3 are potent anti-thrombotic drugs, but also have the life-threatening adverse effect of causing bleeding. It is therefore desirable to develop new antagonists that do not cause bleeding. Integrins transmit signals bidirectionally. Inside-out signalling activates integrins through a talin-dependent mechanism. Integrin ligation mediates thrombus formation and outside-in signalling, which requires Galpha13 and greatly expands thrombi. Here we show that Galpha13 and talin bind to mutually exclusive but distinct sites within the integrin beta3 cytoplasmic domain in opposing waves. The first talin-binding wave mediates inside-out signalling and also ligand-induced integrin activation, but is not required for outside-in signalling. Integrin ligation induces transient talin dissociation and Galpha13 binding to an EXE motif (in which X denotes any residue), which selectively mediates outside-in signalling and platelet spreading. The second talin-binding wave is associated with clot retraction. An EXE-motif-based inhibitor of Galpha13-integrin interaction selectively abolishes outside-in signalling without affecting integrin ligation, and suppresses occlusive arterial thrombosis without affecting bleeding time. Thus, we have discovered a new mechanism for the directional switch of integrin signalling and, on the basis of this mechanism, designed a potent new anti-thrombotic drug that does not cause bleeding.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3823815/" 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/PMC3823815/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Bo -- Zhao, Xiaojuan -- O'Brien, Kelly A -- Stojanovic-Terpo, Aleksandra -- Delaney, M Keegan -- Kim, Kyungho -- Cho, Jaehyung -- Lam, Stephen C-T -- Du, Xiaoping -- HL062350/HL/NHLBI NIH HHS/ -- HL080264/HL/NHLBI NIH HHS/ -- HL109439/HL/NHLBI NIH HHS/ -- R01 HL080264/HL/NHLBI NIH HHS/ -- R01 HL109439/HL/NHLBI NIH HHS/ -- T32 HL007829/HL/NHLBI NIH HHS/ -- England -- Nature. 2013 Nov 7;503(7474):131-5. doi: 10.1038/nature12613. Epub 2013 Oct 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Illinois at Chicago, 835 South Wolcott Avenue, Chicago, Illinois 60612, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24162846" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Antithrombins/adverse effects/*pharmacology/therapeutic use ; Binding Sites ; Bleeding Time ; *Cell Polarity ; Cytoplasm/metabolism ; GTP-Binding Protein alpha Subunits, G12-G13/metabolism ; Hemorrhage/chemically induced ; Humans ; Integrin beta3/chemistry/genetics/metabolism ; Integrins/chemistry/deficiency/genetics/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Platelet Glycoprotein GPIIb-IIIa Complex/metabolism ; Protein Binding ; Protein Structure, Tertiary ; Signal Transduction/*drug effects ; Talin/metabolism ; Thrombosis/*drug therapy/metabolism/pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2012-03-31
    Description: The circadian clock acts at the genomic level to coordinate internal behavioural and physiological rhythms via the CLOCK-BMAL1 transcriptional heterodimer. Although the nuclear receptors REV-ERB-alpha and REV-ERB-beta have been proposed to form an accessory feedback loop that contributes to clock function, their precise roles and importance remain unresolved. To establish their regulatory potential, we determined the genome-wide cis-acting targets (cistromes) of both REV-ERB isoforms in murine liver, which revealed shared recognition at over 50% of their total DNA binding sites and extensive overlap with the master circadian regulator BMAL1. Although REV-ERB-alpha has been shown to regulate Bmal1 expression directly, our cistromic analysis reveals a more profound connection between BMAL1 and the REV-ERB-alpha and REV-ERB-beta genomic regulatory circuits than was previously suspected. Genes within the intersection of the BMAL1, REV-ERB-alpha and REV-ERB-beta cistromes are highly enriched for both clock and metabolic functions. As predicted by the cistromic analysis, dual depletion of Rev-erb-alpha and Rev-erb-beta function by creating double-knockout mice profoundly disrupted circadian expression of core circadian clock and lipid homeostatic gene networks. As a result, double-knockout mice show markedly altered circadian wheel-running behaviour and deregulated lipid metabolism. These data now unite REV-ERB-alpha and REV-ERB-beta with PER, CRY and other components of the principal feedback loop that drives circadian expression and indicate a more integral mechanism for the coordination of circadian rhythm and metabolism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3367514/" 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/PMC3367514/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Han -- Zhao, Xuan -- Hatori, Megumi -- Yu, Ruth T -- Barish, Grant D -- Lam, Michael T -- Chong, Ling-Wa -- DiTacchio, Luciano -- Atkins, Annette R -- Glass, Christopher K -- Liddle, Christopher -- Auwerx, Johan -- Downes, Michael -- Panda, Satchidananda -- Evans, Ronald M -- DK057978/DK/NIDDK NIH HHS/ -- DK062434/DK/NIDDK NIH HHS/ -- DK090962/DK/NIDDK NIH HHS/ -- DK091618/DK/NIDDK NIH HHS/ -- HL105278/HL/NHLBI NIH HHS/ -- P30 CA014195/CA/NCI NIH HHS/ -- R01 DK091618/DK/NIDDK NIH HHS/ -- R01 HL105278/HL/NHLBI NIH HHS/ -- R01 HL105278-21/HL/NHLBI NIH HHS/ -- R24 DK090962/DK/NIDDK NIH HHS/ -- R24 DK090962-02/DK/NIDDK NIH HHS/ -- R37 DK057978/DK/NIDDK NIH HHS/ -- R37 DK057978-34/DK/NIDDK NIH HHS/ -- T32 HL007770/HL/NHLBI NIH HHS/ -- T32 HL007770-15/HL/NHLBI NIH HHS/ -- T32-HL007770/HL/NHLBI NIH HHS/ -- U19 DK062434/DK/NIDDK NIH HHS/ -- U19 DK062434-10/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Mar 29;485(7396):123-7. doi: 10.1038/nature11048.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, California 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22460952" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Clocks/drug effects/genetics ; Circadian Rhythm/genetics/*physiology ; Cryptochromes/deficiency/genetics/metabolism ; *Energy Metabolism/genetics ; Feedback, Physiological ; Gene Expression Regulation ; Gene Regulatory Networks/genetics ; Homeostasis/genetics ; *Lipid Metabolism/genetics ; Liver/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Molecular Sequence Data ; Motor Activity/genetics/physiology ; Nuclear Receptor Subfamily 1, Group D, Member 1/deficiency/genetics/*metabolism ; Period Circadian Proteins/deficiency/genetics/metabolism ; Receptors, Cytoplasmic and Nuclear/deficiency/genetics/*metabolism ; Repressor Proteins/deficiency/genetics/*metabolism ; Transcriptome/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    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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  • 7
    Publication Date: 2014-08-12
    Description: Spinal muscular atrophy (SMA) is a genetic disease caused by mutation or deletion of the survival of motor neuron 1 (SMN1) gene. A paralogous gene in humans, SMN2, produces low, insufficient levels of functional SMN protein due to alternative splicing that truncates the transcript. The decreased levels of SMN protein lead to progressive neuromuscular degeneration and high rates of mortality. Through chemical screening and optimization, we identified orally available small molecules that shift the balance of SMN2 splicing toward the production of full-length SMN2 messenger RNA with high selectivity. Administration of these compounds to Delta7 mice, a model of severe SMA, led to an increase in SMN protein levels, improvement of motor function, and protection of the neuromuscular circuit. These compounds also extended the life span of the mice. Selective SMN2 splicing modifiers may have therapeutic potential for patients with SMA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Naryshkin, Nikolai A -- Weetall, Marla -- Dakka, Amal -- Narasimhan, Jana -- Zhao, Xin -- Feng, Zhihua -- Ling, Karen K Y -- Karp, Gary M -- Qi, Hongyan -- Woll, Matthew G -- Chen, Guangming -- Zhang, Nanjing -- Gabbeta, Vijayalakshmi -- Vazirani, Priya -- Bhattacharyya, Anuradha -- Furia, Bansri -- Risher, Nicole -- Sheedy, Josephine -- Kong, Ronald -- Ma, Jiyuan -- Turpoff, Anthony -- Lee, Chang-Sun -- Zhang, Xiaoyan -- Moon, Young-Choon -- Trifillis, Panayiota -- Welch, Ellen M -- Colacino, Joseph M -- Babiak, John -- Almstead, Neil G -- Peltz, Stuart W -- Eng, Loren A -- Chen, Karen S -- Mull, Jesse L -- Lynes, Maureen S -- Rubin, Lee L -- Fontoura, Paulo -- Santarelli, Luca -- Haehnke, Daniel -- McCarthy, Kathleen D -- Schmucki, Roland -- Ebeling, Martin -- Sivaramakrishnan, Manaswini -- Ko, Chien-Ping -- Paushkin, Sergey V -- Ratni, Hasane -- Gerlach, Irene -- Ghosh, Anirvan -- Metzger, Friedrich -- New York, N.Y. -- Science. 2014 Aug 8;345(6197):688-93. doi: 10.1126/science.1250127.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉PTC Therapeutics, 100 Corporate Court, South Plainfield, NJ 07080, USA. ; Section of Neurobiology, Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089, USA. ; PTC Therapeutics, 100 Corporate Court, South Plainfield, NJ 07080, USA. friedrich.metzger@roche.com speltz@ptcbio.com. ; SMA Foundation, 888 Seventh Avenue, Suite 400, New York, NY 10019, USA. ; Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA. ; Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche, Grenzacherstrasse 124, 4070 Basel, Switzerland. ; Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche, Grenzacherstrasse 124, 4070 Basel, Switzerland. friedrich.metzger@roche.com speltz@ptcbio.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25104390" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Alternative Splicing/*drug effects ; Animals ; Cells, Cultured ; Coumarins/*administration & dosage/chemistry ; Disease Models, Animal ; Drug Evaluation, Preclinical ; Humans ; Isocoumarins/*administration & dosage/chemistry ; Longevity/*drug effects ; Mice ; Muscular Atrophy, Spinal/*drug therapy/genetics/metabolism ; Pyrimidinones/*administration & dosage/chemistry ; RNA, Messenger/genetics ; Sequence Deletion ; Small Molecule Libraries/*administration & dosage/chemistry ; Survival of Motor Neuron 2 Protein/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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