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  • 101
    Publikationsdatum: 2010-01-30
    Beschreibung: Vitamin K epoxide reductase (VKOR) generates vitamin K hydroquinone to sustain gamma-carboxylation of many blood coagulation factors. Here, we report the 3.6 A crystal structure of a bacterial homologue of VKOR from Synechococcus sp. The structure shows VKOR in complex with its naturally fused redox partner, a thioredoxin-like domain, and corresponds to an arrested state of electron transfer. The catalytic core of VKOR is a four transmembrane helix bundle that surrounds a quinone, connected through an additional transmembrane segment with the periplasmic thioredoxin-like domain. We propose a pathway for how VKOR uses electrons from cysteines of newly synthesized proteins to reduce a quinone, a mechanism confirmed by in vitro reconstitution of vitamin K-dependent disulphide bridge formation. Our results have implications for the mechanism of the mammalian VKOR and explain how mutations can cause resistance to the VKOR inhibitor warfarin, the most commonly used oral anticoagulant.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2919313/" 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/PMC2919313/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Weikai -- Schulman, Sol -- Dutton, Rachel J -- Boyd, Dana -- Beckwith, Jon -- Rapoport, Tom A -- GMO41883/PHS HHS/ -- K99 HL097083/HL/NHLBI NIH HHS/ -- K99 HL097083-01/HL/NHLBI NIH HHS/ -- K991K99HL097083/HL/NHLBI NIH HHS/ -- R00 HL097083/HL/NHLBI NIH HHS/ -- R01 GM041883/GM/NIGMS NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Jan 28;463(7280):507-12. doi: 10.1038/nature08720.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts 02115, USA. weikai@crystal.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20110994" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anticoagulants ; Bacterial Proteins/chemistry ; Catalytic Domain ; Disulfides/chemistry ; Drug Resistance/genetics ; Electron Transport ; Humans ; Membrane Proteins/chemistry ; Mixed Function Oxygenases/*chemistry/genetics ; *Models, Molecular ; Protein Structure, Tertiary ; Synechococcus/*enzymology ; Vitamin K Epoxide Reductases ; Warfarin
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 102
    Publikationsdatum: 2010-10-12
    Beschreibung: Blood pressure is critically controlled by angiotensins, which are vasopressor peptides specifically released by the enzyme renin from the tail of angiotensinogen-a non-inhibitory member of the serpin family of protease inhibitors. Although angiotensinogen has long been regarded as a passive substrate, the crystal structures solved here to 2.1 A resolution show that the angiotensin cleavage site is inaccessibly buried in its amino-terminal tail. The conformational rearrangement that makes this site accessible for proteolysis is revealed in our 4.4 A structure of the complex of human angiotensinogen with renin. The co-ordinated changes involved are seen to be critically linked by a conserved but labile disulphide bridge. Here we show that the reduced unbridged form of angiotensinogen is present in the circulation in a near 40:60 ratio with the oxidized sulphydryl-bridged form, which preferentially interacts with receptor-bound renin. We propose that this redox-responsive transition of angiotensinogen to a form that will more effectively release angiotensin at a cellular level contributes to the modulation of blood pressure. Specifically, we demonstrate the oxidative switch of angiotensinogen to its more active sulphydryl-bridged form in the maternal circulation in pre-eclampsia-the hypertensive crisis of pregnancy that threatens the health and survival of both mother and child.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3024006/" 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/PMC3024006/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Aiwu -- Carrell, Robin W -- Murphy, Michael P -- Wei, Zhenquan -- Yan, Yahui -- Stanley, Peter L D -- Stein, Penelope E -- Broughton Pipkin, Fiona -- Read, Randy J -- 082961/Wellcome Trust/United Kingdom -- BS/05/002/18361/British Heart Foundation/United Kingdom -- MC_U105663142/Medical Research Council/United Kingdom -- PG/08/041/24818/British Heart Foundation/United Kingdom -- PG/09/072/27945/British Heart Foundation/United Kingdom -- British Heart Foundation/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Nov 4;468(7320):108-11. doi: 10.1038/nature09505. Epub 2010 Oct 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Haematology, Cambridge Institute for Medical Research, University of Cambridge, Hills Road, Cambridge CB2 0XY, UK. awz20@cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20927107" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Angiotensinogen/blood/*chemistry/*metabolism ; Angiotensins/chemistry/*metabolism/secretion ; Blood Pressure ; Crystallography, X-Ray ; Disulfides/chemistry/metabolism ; Female ; Humans ; Kinetics ; Models, Molecular ; Molecular Sequence Data ; Oxidation-Reduction ; Oxidative Stress ; Pre-Eclampsia/blood/metabolism ; Pregnancy ; Protein Conformation ; *Protein Processing, Post-Translational ; Renin/chemistry/metabolism
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 103
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-12-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Dec 9;468(7325):732. doi: 10.1038/468732a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21150948" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antidepressive Agents, Second-Generation ; Authorship/*standards ; *Conflict of Interest ; *Drug Industry/ethics ; Humans ; National Institutes of Health (U.S.)/economics ; Paroxetine ; Research Personnel/ethics/standards ; Research Support as Topic/organization & administration/standards ; Textbooks as Topic/standards ; United States
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 104
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    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-10-01
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Hara, Kathryn -- England -- Nature. 2010 Sep 30;467(7315):501. doi: 10.1038/467501a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Carleton University. kathryn_ohara@carleton.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20881970" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Access to Information ; Animals ; Canada ; *Communication ; *Federal Government ; *Freedom ; Global Warming ; Humans ; *Journalism ; Mass Media ; Policy Making ; Politics ; Public Sector ; *Research Personnel
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 105
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    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-01-08
    Beschreibung: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3018739/" 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/PMC3018739/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feschotte, Cedric -- R01 GM077582/GM/NIGMS NIH HHS/ -- R01 GM077582-04/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Jan 7;463(7277):39-40. doi: 10.1038/463039a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20054386" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Borna disease virus/genetics/physiology ; Bornaviridae/*genetics/physiology ; Conserved Sequence/genetics ; *Evolution, Molecular ; Genes, Viral/*genetics ; Genome/*genetics ; Host-Pathogen Interactions/genetics ; Humans ; Mammals/*genetics/*virology ; Models, Genetic ; Virus Integration/*genetics
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 106
    Publikationsdatum: 2010-04-29
    Beschreibung: The nucleolytic activity of animal Argonaute proteins is deeply conserved, despite its having no obvious role in microRNA-directed gene regulation. In mice, Ago2 (also known as Eif2c2) is uniquely required for viability, and only this family member retains catalytic competence. To investigate the evolutionary pressure to conserve Argonaute enzymatic activity, we engineered a mouse with catalytically inactive Ago2 alleles. Homozygous mutants died shortly after birth with an obvious anaemia. Examination of microRNAs and their potential targets revealed a loss of miR-451, a small RNA important for erythropoiesis. Though this microRNA is processed by Drosha (also known as Rnasen), its maturation does not require Dicer. Instead, the pre-miRNA becomes loaded into Ago and is cleaved by the Ago catalytic centre to generate an intermediate 3' end, which is then further trimmed. Our findings link the conservation of Argonaute catalysis to a conserved mechanism of microRNA biogenesis that is important for vertebrate development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2995450/" 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/PMC2995450/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheloufi, Sihem -- Dos Santos, Camila O -- Chong, Mark M W -- Hannon, Gregory J -- P01 CA013106/CA/NCI NIH HHS/ -- P01 CA013106-38/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Jun 3;465(7298):584-9. doi: 10.1038/nature09092.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, Watson School of Biological Sciences, Howard Hughes Medical Institute, Cold Spring Harbor, New York 11724, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20424607" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alleles ; Anemia/genetics/metabolism ; Animals ; Argonaute Proteins ; Base Sequence ; *Biocatalysis ; Embryo, Mammalian/embryology/metabolism ; Eukaryotic Initiation Factor-2/genetics/*metabolism ; Homozygote ; MicroRNAs/*biosynthesis ; Molecular Sequence Data ; Ribonuclease III/metabolism
    Print ISSN: 0028-0836
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 107
    Publikationsdatum: 2010-05-14
    Beschreibung: Copper is an essential trace element for eukaryotes and most prokaryotes. However, intracellular free copper must be strictly limited because of its toxic side effects. Complex systems for copper trafficking evolved to satisfy cellular requirements while minimizing toxicity. The factors driving the copper transfer between protein partners along cellular copper routes are, however, not fully rationalized. Until now, inconsistent, scattered and incomparable data on the copper-binding affinities of copper proteins have been reported. Here we determine, through a unified electrospray ionization mass spectrometry (ESI-MS)-based strategy, in an environment that mimics the cellular redox milieu, the apparent Cu(I)-binding affinities for a representative set of intracellular copper proteins involved in enzymatic redox catalysis, in copper trafficking to and within various cellular compartments, and in copper storage. The resulting thermodynamic data show that copper is drawn to the enzymes that require it by passing from one copper protein site to another, exploiting gradients of increasing copper-binding affinity. This result complements the finding that fast copper-transfer pathways require metal-mediated protein-protein interactions and therefore protein-protein specific recognition. Together with Cu,Zn-SOD1, metallothioneins have the highest affinity for copper(I), and may play special roles in the regulation of cellular copper distribution; however, for kinetic reasons they cannot demetallate copper enzymes. Our study provides the thermodynamic basis for the kinetic processes that lead to the distribution of cellular copper.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Banci, Lucia -- Bertini, Ivano -- Ciofi-Baffoni, Simone -- Kozyreva, Tatiana -- Zovo, Kairit -- Palumaa, Peep -- England -- Nature. 2010 Jun 3;465(7298):645-8. doi: 10.1038/nature09018. Epub 2010 May 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Magnetic Resonance Center CERM and Department of Chemistry, University of Florence, Via Luigi Sacconi 6, 50019, Sesto Fiorentino, Florence, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20463663" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biocatalysis ; Carrier Proteins/*metabolism ; Cations, Monovalent/metabolism ; Copper/isolation & purification/*metabolism ; Cyclooxygenase 2/chemistry/metabolism ; Dithiothreitol/metabolism ; Glutathione/metabolism ; Humans ; Intracellular Space/*metabolism ; Ion Transport ; Kinetics ; Ligands ; Metallothionein/metabolism ; Mitochondria, Liver ; Oxidation-Reduction ; Protein Binding ; Rats ; Spectrometry, Mass, Electrospray Ionization ; Thermodynamics
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 108
    Publikationsdatum: 2010-09-30
    Beschreibung: Cell-cell signalling of semaphorin ligands through interaction with plexin receptors is important for the homeostasis and morphogenesis of many tissues and is widely studied for its role in neural connectivity, cancer, cell migration and immune responses. SEMA4D and Sema6A exemplify two diverse vertebrate, membrane-spanning semaphorin classes (4 and 6) that are capable of direct signalling through members of the two largest plexin classes, B and A, respectively. In the absence of any structural information on the plexin ectodomain or its interaction with semaphorins the extracellular specificity and mechanism controlling plexin signalling has remained unresolved. Here we present crystal structures of cognate complexes of the semaphorin-binding regions of plexins B1 and A2 with semaphorin ectodomains (human PLXNB1(1-2)-SEMA4D(ecto) and murine PlxnA2(1-4)-Sema6A(ecto)), plus unliganded structures of PlxnA2(1-4) and Sema6A(ecto). These structures, together with biophysical and cellular assays of wild-type and mutant proteins, reveal that semaphorin dimers independently bind two plexin molecules and that signalling is critically dependent on the avidity of the resulting bivalent 2:2 complex (monomeric semaphorin binds plexin but fails to trigger signalling). In combination, our data favour a cell-cell signalling mechanism involving semaphorin-stabilized plexin dimerization, possibly followed by clustering, which is consistent with previous functional data. Furthermore, the shared generic architecture of the complexes, formed through conserved contacts of the amino-terminal seven-bladed beta-propeller (sema) domains of both semaphorin and plexin, suggests that a common mode of interaction triggers all semaphorin-plexin based signalling, while distinct insertions within or between blades of the sema domains determine binding specificity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3587840/" 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/PMC3587840/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janssen, Bert J C -- Robinson, Ross A -- Perez-Branguli, Francesc -- Bell, Christian H -- Mitchell, Kevin J -- Siebold, Christian -- Jones, E Yvonne -- 082301/Wellcome Trust/United Kingdom -- 083111/Wellcome Trust/United Kingdom -- 10976/Cancer Research UK/United Kingdom -- A10976/Cancer Research UK/United Kingdom -- A3964/Cancer Research UK/United Kingdom -- A5261/Cancer Research UK/United Kingdom -- G0700232/Medical Research Council/United Kingdom -- G0700232(82098)/Medical Research Council/United Kingdom -- G0900084/Medical Research Council/United Kingdom -- G9900061/Medical Research Council/United Kingdom -- G9900061(69203)/Medical Research Council/United Kingdom -- Cancer Research UK/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Oct 28;467(7319):1118-22. doi: 10.1038/nature09468. Epub 2010 Sep 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Structural Biology, Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20877282" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antigens, CD/chemistry/genetics/metabolism ; Binding Sites ; Cell Adhesion Molecules/*chemistry/genetics/*metabolism ; Cell Communication ; Crystallography, X-Ray ; Humans ; Ligands ; Mice ; Mice, Inbred C57BL ; Models, Molecular ; NIH 3T3 Cells ; Nerve Tissue Proteins/*chemistry/genetics/*metabolism ; Protein Binding ; Protein Structure, Tertiary ; Receptors, Cell Surface/chemistry/genetics/metabolism ; Semaphorins/*chemistry/genetics/*metabolism ; *Signal Transduction ; Structure-Activity Relationship
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 109
    Publikationsdatum: 2010-05-28
    Beschreibung: CD95 (also called Fas and APO-1) is a prototypical death receptor that regulates tissue homeostasis mainly in the immune system through the induction of apoptosis. During cancer progression CD95 is frequently downregulated or cells are rendered apoptosis resistant, raising the possibility that loss of CD95 is part of a mechanism for tumour evasion. However, complete loss of CD95 is rarely seen in human cancers and many cancer cells express large quantities of CD95 and are highly sensitive to CD95-mediated apoptosis in vitro. Furthermore, cancer patients frequently have elevated levels of the physiological ligand for CD95, CD95L. These data raise the possibility that CD95 could actually promote the growth of tumours through its non-apoptotic activities. Here we show that cancer cells in general, regardless of their CD95 apoptosis sensitivity, depend on constitutive activity of CD95, stimulated by cancer-produced CD95L, for optimal growth. Consistently, loss of CD95 in mouse models of ovarian cancer and liver cancer reduces cancer incidence as well as the size of the tumours. The tumorigenic activity of CD95 is mediated by a pathway involving JNK and Jun. These results demonstrate that CD95 has a growth-promoting role during tumorigenesis and indicate that efforts to inhibit its activity rather than to enhance it should be considered during cancer therapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2879093/" 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/PMC2879093/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Lina -- Park, Sun-Mi -- Tumanov, Alexei V -- Hau, Annika -- Sawada, Kenjiro -- Feig, Christine -- Turner, Jerrold R -- Fu, Yang-Xin -- Romero, Iris L -- Lengyel, Ernst -- Peter, Marcus E -- CA112240/CA/NCI NIH HHS/ -- K12 HD000849/HD/NICHD NIH HHS/ -- L30 CA153336/CA/NCI NIH HHS/ -- R01 CA095319/CA/NCI NIH HHS/ -- R01 CA11182/CA/NCI NIH HHS/ -- R01 CA112240/CA/NCI NIH HHS/ -- R01 CA112240-01A1/CA/NCI NIH HHS/ -- R01 CA112240-02/CA/NCI NIH HHS/ -- R01 CA112240-03/CA/NCI NIH HHS/ -- R01 CA112240-04/CA/NCI NIH HHS/ -- R01 CA112240-05/CA/NCI NIH HHS/ -- England -- Nature. 2010 May 27;465(7297):492-6. doi: 10.1038/nature09075.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Ben May Department for Cancer Research, The University of Chicago, 924 E 57th Street, Chicago, Illinois 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20505730" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antigens, CD95/deficiency/genetics/*metabolism ; Apoptosis ; Carcinoma, Endometrioid/metabolism/pathology ; Cell Line, Tumor ; Cell Proliferation ; Fas Ligand Protein/antagonists & inhibitors/immunology/metabolism ; Female ; Gene Expression Regulation, Neoplastic ; Hepatocytes/enzymology/metabolism/pathology ; Humans ; Liver Neoplasms/enzymology/metabolism/pathology ; Male ; Mice ; Mitogen-Activated Protein Kinase 8/deficiency/genetics/metabolism ; Neoplasms/*metabolism/*pathology ; Ovarian Neoplasms/metabolism/pathology
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 110
    Publikationsdatum: 2010-06-26
    Beschreibung: Lymph nodes (LNs) capture microorganisms that breach the body's external barriers and enter draining lymphatics, limiting the systemic spread of pathogens. Recent work has shown that CD11b(+)CD169(+) macrophages, which populate the subcapsular sinus (SCS) of LNs, are critical for the clearance of viruses from the lymph and for initiating antiviral humoral immune responses. Here we show, using vesicular stomatitis virus (VSV), a relative of rabies virus transmitted by insect bites, that SCS macrophages perform a third vital function: they prevent lymph-borne neurotropic viruses from infecting the central nervous system (CNS). On local depletion of LN macrophages, about 60% of mice developed ascending paralysis and died 7-10 days after subcutaneous infection with a small dose of VSV, whereas macrophage-sufficient animals remained asymptomatic and cleared the virus. VSV gained access to the nervous system through peripheral nerves in macrophage-depleted LNs. In contrast, within macrophage-sufficient LNs VSV replicated preferentially in SCS macrophages but not in adjacent nerves. Removal of SCS macrophages did not compromise adaptive immune responses against VSV, but decreased type I interferon (IFN-I) production within infected LNs. VSV-infected macrophages recruited IFN-I-producing plasmacytoid dendritic cells to the SCS and in addition were a major source of IFN-I themselves. Experiments in bone marrow chimaeric mice revealed that IFN-I must act on both haematopoietic and stromal compartments, including the intranodal nerves, to prevent lethal infection with VSV. These results identify SCS macrophages as crucial gatekeepers to the CNS that prevent fatal viral invasion of the nervous system on peripheral infection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892812/" 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/PMC2892812/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iannacone, Matteo -- Moseman, E Ashley -- Tonti, Elena -- Bosurgi, Lidia -- Junt, Tobias -- Henrickson, Sarah E -- Whelan, Sean P -- Guidotti, Luca G -- von Andrian, Ulrich H -- AI069259/AI/NIAID NIH HHS/ -- AI072252/AI/NIAID NIH HHS/ -- AI078897/AI/NIAID NIH HHS/ -- AR42689/AR/NIAMS NIH HHS/ -- P01 AI078897/AI/NIAID NIH HHS/ -- P01 AI078897-01/AI/NIAID NIH HHS/ -- P01 CA071932/CA/NCI NIH HHS/ -- P01 CA071932-12S29003/CA/NCI NIH HHS/ -- R01 AI069259/AI/NIAID NIH HHS/ -- R01 AI069259-06/AI/NIAID NIH HHS/ -- R01 AI072252/AI/NIAID NIH HHS/ -- R01 AI072252-04/AI/NIAID NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Jun 24;465(7301):1079-83. doi: 10.1038/nature09118.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immune Disease Institute and Department of Pathology, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, Massachusetts 02115, USA. Matteo_Iannacone@hms.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577213" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Central Nervous System/cytology/*immunology/*virology ; Dendritic Cells/immunology ; Injections ; Interferon Type I/immunology ; Lymph Nodes/cytology/*immunology/innervation/*virology ; Macrophages/*immunology/virology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Paralysis/complications/virology ; Peripheral Nerves/virology ; Receptor, Interferon alpha-beta/deficiency ; Rhabdoviridae Infections/complications/*immunology/virology ; Survival Rate ; Vesicular stomatitis Indiana virus/immunology/pathogenicity/physiology ; Vesicular stomatitis New Jersey virus/immunology/pathogenicity/physiology ; Vesiculovirus/*immunology/pathogenicity/physiology
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 111
    Publikationsdatum: 2010-06-10
    Beschreibung: The autism spectrum disorders (ASDs) are a group of conditions characterized by impairments in reciprocal social interaction and communication, and the presence of restricted and repetitive behaviours. Individuals with an ASD vary greatly in cognitive development, which can range from above average to intellectual disability. Although ASDs are known to be highly heritable ( approximately 90%), the underlying genetic determinants are still largely unknown. Here we analysed the genome-wide characteristics of rare (〈1% frequency) copy number variation in ASD using dense genotyping arrays. When comparing 996 ASD individuals of European ancestry to 1,287 matched controls, cases were found to carry a higher global burden of rare, genic copy number variants (CNVs) (1.19 fold, P = 0.012), especially so for loci previously implicated in either ASD and/or intellectual disability (1.69 fold, P = 3.4 x 10(-4)). Among the CNVs there were numerous de novo and inherited events, sometimes in combination in a given family, implicating many novel ASD genes such as SHANK2, SYNGAP1, DLGAP2 and the X-linked DDX53-PTCHD1 locus. We also discovered an enrichment of CNVs disrupting functional gene sets involved in cellular proliferation, projection and motility, and GTPase/Ras signalling. Our results reveal many new genetic and functional targets in ASD that may lead to final connected pathways.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3021798/" 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/PMC3021798/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pinto, Dalila -- Pagnamenta, Alistair T -- Klei, Lambertus -- Anney, Richard -- Merico, Daniele -- Regan, Regina -- Conroy, Judith -- Magalhaes, Tiago R -- Correia, Catarina -- Abrahams, Brett S -- Almeida, Joana -- Bacchelli, Elena -- Bader, Gary D -- Bailey, Anthony J -- Baird, Gillian -- Battaglia, Agatino -- Berney, Tom -- Bolshakova, Nadia -- Bolte, Sven -- Bolton, Patrick F -- Bourgeron, Thomas -- Brennan, Sean -- Brian, Jessica -- Bryson, Susan E -- Carson, Andrew R -- Casallo, Guillermo -- Casey, Jillian -- Chung, Brian H Y -- Cochrane, Lynne -- Corsello, Christina -- Crawford, Emily L -- Crossett, Andrew -- Cytrynbaum, Cheryl -- Dawson, Geraldine -- de Jonge, Maretha -- Delorme, Richard -- Drmic, Irene -- Duketis, Eftichia -- Duque, Frederico -- Estes, Annette -- Farrar, Penny -- Fernandez, Bridget A -- Folstein, Susan E -- Fombonne, Eric -- Freitag, Christine M -- Gilbert, John -- Gillberg, Christopher -- Glessner, Joseph T -- Goldberg, Jeremy -- Green, Andrew -- Green, Jonathan -- Guter, Stephen J -- Hakonarson, Hakon -- Heron, Elizabeth A -- Hill, Matthew -- Holt, Richard -- Howe, Jennifer L -- Hughes, Gillian -- Hus, Vanessa -- Igliozzi, Roberta -- Kim, Cecilia -- Klauck, Sabine M -- Kolevzon, Alexander -- Korvatska, Olena -- Kustanovich, Vlad -- Lajonchere, Clara M -- Lamb, Janine A -- Laskawiec, Magdalena -- Leboyer, Marion -- Le Couteur, Ann -- Leventhal, Bennett L -- Lionel, Anath C -- Liu, Xiao-Qing -- Lord, Catherine -- Lotspeich, Linda -- Lund, Sabata C -- Maestrini, Elena -- Mahoney, William -- Mantoulan, Carine -- Marshall, Christian R -- McConachie, Helen -- McDougle, Christopher J -- McGrath, Jane -- McMahon, William M -- Merikangas, Alison -- Migita, Ohsuke -- Minshew, Nancy J -- Mirza, Ghazala K -- Munson, Jeff -- Nelson, Stanley F -- Noakes, Carolyn -- Noor, Abdul -- Nygren, Gudrun -- Oliveira, Guiomar -- Papanikolaou, Katerina -- Parr, Jeremy R -- Parrini, Barbara -- Paton, Tara -- Pickles, Andrew -- Pilorge, Marion -- Piven, Joseph -- Ponting, Chris P -- Posey, David J -- Poustka, Annemarie -- Poustka, Fritz -- Prasad, Aparna -- Ragoussis, Jiannis -- Renshaw, Katy -- Rickaby, Jessica -- Roberts, Wendy -- Roeder, Kathryn -- Roge, Bernadette -- Rutter, Michael L -- Bierut, Laura J -- Rice, John P -- Salt, Jeff -- Sansom, Katherine -- Sato, Daisuke -- Segurado, Ricardo -- Sequeira, Ana F -- Senman, Lili -- Shah, Naisha -- Sheffield, Val C -- Soorya, Latha -- Sousa, Ines -- Stein, Olaf -- Sykes, Nuala -- Stoppioni, Vera -- Strawbridge, Christina -- Tancredi, Raffaella -- Tansey, Katherine -- Thiruvahindrapduram, Bhooma -- Thompson, Ann P -- Thomson, Susanne -- Tryfon, Ana -- Tsiantis, John -- Van Engeland, Herman -- Vincent, John B -- Volkmar, Fred -- Wallace, Simon -- Wang, Kai -- Wang, Zhouzhi -- Wassink, Thomas H -- Webber, Caleb -- Weksberg, Rosanna -- Wing, Kirsty -- Wittemeyer, Kerstin -- Wood, Shawn -- Wu, Jing -- Yaspan, Brian L -- Zurawiecki, Danielle -- Zwaigenbaum, Lonnie -- Buxbaum, Joseph D -- Cantor, Rita M -- Cook, Edwin H -- Coon, Hilary -- Cuccaro, Michael L -- Devlin, Bernie -- Ennis, Sean -- Gallagher, Louise -- Geschwind, Daniel H -- Gill, Michael -- Haines, Jonathan L -- Hallmayer, Joachim -- Miller, Judith -- Monaco, Anthony P -- Nurnberger, John I Jr -- Paterson, Andrew D -- Pericak-Vance, Margaret A -- Schellenberg, Gerard D -- Szatmari, Peter -- Vicente, Astrid M -- Vieland, Veronica J -- Wijsman, Ellen M -- Scherer, Stephen W -- Sutcliffe, James S -- Betancur, Catalina -- 075491/Z/04/Wellcome Trust/United Kingdom -- AS2077/Autism Speaks/ -- AS7462/Autism Speaks/ -- G0601030/Medical Research Council/United Kingdom -- HD055751/HD/NICHD NIH HHS/ -- HD055782/HD/NICHD NIH HHS/ -- HD055784/HD/NICHD NIH HHS/ -- HD35465/HD/NICHD NIH HHS/ -- MC_U137761446/Medical Research Council/United Kingdom -- MH061009/MH/NIMH NIH HHS/ -- MH06359/MH/NIMH NIH HHS/ -- MH066673/MH/NIMH NIH HHS/ -- MH080647/MH/NIMH NIH HHS/ -- MH081754/MH/NIMH NIH HHS/ -- MH52708/MH/NIMH NIH HHS/ -- MH55284/MH/NIMH NIH HHS/ -- MH57881/MH/NIMH NIH HHS/ -- MH66766/MH/NIMH NIH HHS/ -- NS026630/NS/NINDS NIH HHS/ -- NS042165/NS/NINDS NIH HHS/ -- NS049261/NS/NINDS NIH HHS/ -- P01 CA089392/CA/NCI NIH HHS/ -- P01 CA089392-08/CA/NCI NIH HHS/ -- P01 HD035465-01S1/HD/NICHD NIH HHS/ -- P01 NS026630/NS/NINDS NIH HHS/ -- P01 NS026630-15/NS/NINDS NIH HHS/ -- P50 HD055748/HD/NICHD NIH HHS/ -- P50 HD055748-01/HD/NICHD NIH HHS/ -- P50 HD055748-02/HD/NICHD NIH HHS/ -- P50 HD055748-03/HD/NICHD NIH HHS/ -- P50 HD055751/HD/NICHD NIH HHS/ -- P50 HD055751-01/HD/NICHD NIH HHS/ -- P50 HD055782/HD/NICHD NIH HHS/ -- P50 HD055782-04/HD/NICHD NIH HHS/ -- R01 DA013423/DA/NIDA NIH HHS/ -- R01 DA013423-05/DA/NIDA NIH HHS/ -- R01 DA019963/DA/NIDA NIH HHS/ -- R01 DA019963-01A2/DA/NIDA NIH HHS/ -- R01 DA019963-02/DA/NIDA NIH HHS/ -- R01 DA019963-03/DA/NIDA NIH HHS/ -- R01 MH052708-05/MH/NIMH NIH HHS/ -- R01 MH055284/MH/NIMH NIH HHS/ -- R01 MH055284-04/MH/NIMH NIH HHS/ -- R01 MH057881/MH/NIMH NIH HHS/ -- R01 MH057881-02/MH/NIMH NIH HHS/ -- R01 MH061009/MH/NIMH NIH HHS/ -- R01 MH061009-05/MH/NIMH NIH HHS/ -- R01 MH080647/MH/NIMH NIH HHS/ -- R01 MH080647-11/MH/NIMH NIH HHS/ -- R01 MH081754/MH/NIMH NIH HHS/ -- R01 MH081754-01/MH/NIMH NIH HHS/ -- R01 NS042165/NS/NINDS NIH HHS/ -- R01 NS042165-05/NS/NINDS NIH HHS/ -- R01 NS049261/NS/NINDS NIH HHS/ -- R01 NS049261-02/NS/NINDS NIH HHS/ -- U01 HG004422/HG/NHGRI NIH HHS/ -- U01 HG004422-02/HG/NHGRI NIH HHS/ -- U10 MH066766-05/MH/NIMH NIH HHS/ -- U19 HD035469/HD/NICHD NIH HHS/ -- U19 HD035469-06/HD/NICHD NIH HHS/ -- U19 HD035469-07/HD/NICHD NIH HHS/ -- U19 HD035469-08/HD/NICHD NIH HHS/ -- U19 HD035469-09/HD/NICHD NIH HHS/ -- U19 HD035469-10/HD/NICHD NIH HHS/ -- U54 MH066673/MH/NIMH NIH HHS/ -- U54 MH066673-05/MH/NIMH NIH HHS/ -- UL1 TR000448/TR/NCATS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- Medical Research Council/United Kingdom -- England -- Nature. 2010 Jul 15;466(7304):368-72. doi: 10.1038/nature09146. Epub 2010 Jun 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Centre for Applied Genomics and Program in Genetics and Genomic Biology, The Hospital for Sick Children, Toronto, Ontario M5G 1L7, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20531469" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Case-Control Studies ; Cell Movement ; Child ; Child Development Disorders, Pervasive/*genetics/pathology/*physiopathology ; Cytoprotection ; DNA Copy Number Variations/*genetics ; Europe/ethnology ; Gene Dosage/*genetics ; Genetic Predisposition to Disease/*genetics ; Genome-Wide Association Study ; Humans ; Signal Transduction ; Social Behavior
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 112
    Publikationsdatum: 2010-04-16
    Beschreibung: Tumour metastasis is the primary cause of death of cancer patients. Development of new therapeutics preventing tumour metastasis is urgently needed. Migrastatin is a natural product secreted by Streptomyces, and synthesized migrastatin analogues such as macroketone are potent inhibitors of metastatic tumour cell migration, invasion and metastasis. Here we show that these migrastatin analogues target the actin-bundling protein fascin to inhibit its activity. X-ray crystal structural studies reveal that migrastatin analogues bind to one of the actin-binding sites on fascin. Our data demonstrate that actin cytoskeletal proteins such as fascin can be explored as new molecular targets for cancer treatment, in a similar manner to the microtubule protein tubulin.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2857318/" 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/PMC2857318/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Lin -- Yang, Shengyu -- Jakoncic, Jean -- Zhang, J Jillian -- Huang, Xin-Yun -- CA136837/CA/NCI NIH HHS/ -- R01 CA136837/CA/NCI NIH HHS/ -- R01 CA136837-01A1/CA/NCI NIH HHS/ -- England -- Nature. 2010 Apr 15;464(7291):1062-6. doi: 10.1038/nature08978.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Cornell University Weill Medical College, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393565" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actins/metabolism ; Animals ; Antineoplastic Agents/chemistry/metabolism/pharmacology/therapeutic use ; Binding Sites/drug effects ; Breast Neoplasms/drug therapy/pathology ; Carrier Proteins/*antagonists & inhibitors/chemistry/genetics/metabolism ; Cell Line, Tumor ; Cell Movement/drug effects ; Crystallography, X-Ray ; Drug Resistance, Neoplasm/genetics ; Female ; Humans ; Lung Neoplasms/prevention & control/secondary ; Macrolides/*chemistry/metabolism/*pharmacology/therapeutic use ; Mice ; Mice, Inbred BALB C ; Mice, Inbred NOD ; Mice, SCID ; Microfilament Proteins/*antagonists & inhibitors/chemistry/genetics/metabolism ; Models, Molecular ; Mutation/genetics ; Neoplasm Invasiveness/pathology/prevention & control ; Neoplasm Metastasis/drug therapy/pathology/*prevention & control ; Piperidones/*chemistry/metabolism/*pharmacology/therapeutic use ; Protein Conformation
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 113
    Publikationsdatum: 2010-12-24
    Beschreibung: Neurotransmitter/sodium symporters (NSSs) couple the uptake of neurotransmitter with one or more sodium ions, removing neurotransmitter from the synaptic cleft. NSSs are essential to the function of chemical synapses, are associated with multiple neurological diseases and disorders, and are the targets of therapeutic and illicit drugs. LeuT, a prokaryotic orthologue of the NSS family, is a model transporter for understanding the relationships between molecular mechanism and atomic structure in a broad range of sodium-dependent and sodium-independent secondary transporters. At present there is a controversy over whether there are one or two high-affinity substrate binding sites in LeuT. The first-reported crystal structure of LeuT, together with subsequent functional and structural studies, provided direct evidence for a single, high-affinity, centrally located substrate-binding site, defined as the S1 site. Recent binding, flux and molecular simulation studies, however, have been interpreted in terms of a model where there are two high-affinity binding sites: the central, S1, site and a second, the S2 site, located within the extracellular vestibule. Furthermore, it was proposed that the S1 and S2 sites are allosterically coupled such that occupancy of the S2 site is required for the cytoplasmic release of substrate from the S1 site. Here we address this controversy by performing direct measurement of substrate binding to wild-type LeuT and to S2 site mutants using isothermal titration calorimetry, equilibrium dialysis and scintillation proximity assays. In addition, we perform uptake experiments to determine whether the proposed allosteric coupling between the putative S2 site and the S1 site manifests itself in the kinetics of substrate flux. We conclude that LeuT harbours a single, centrally located, high-affinity substrate-binding site and that transport is well described by a simple, single-substrate kinetic mechanism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3079577/" 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/PMC3079577/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Piscitelli, Chayne L -- Krishnamurthy, Harini -- Gouaux, Eric -- R37 MH070039/MH/NIMH NIH HHS/ -- R37 MH070039-07/MH/NIMH NIH HHS/ -- R37 MH070039-08/MH/NIMH NIH HHS/ -- T32 DK007680/DK/NIDDK NIH HHS/ -- T32 DK007680-17/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Dec 23;468(7327):1129-32. doi: 10.1038/nature09581.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97239, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21179170" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Binding Sites ; Humans ; Ionophores/pharmacology ; Kinetics ; Leucine/genetics ; Models, Molecular ; Mutation ; Plasma Membrane Neurotransmitter Transport ; Proteins/*chemistry/genetics/*metabolism ; Protein Transport/drug effects ; Valinomycin/pharmacology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 114
    facet.materialart.
    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vastag, Brian -- England -- Nature. 2010 Aug 19;466(7309):916-8. doi: 10.1038/466916a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725015" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Blood-Brain Barrier/*metabolism ; Brain Diseases/*drug therapy ; Catheters, Indwelling ; Clinical Trials as Topic ; Glial Cell Line-Derived Neurotrophic Factor/administration & ; dosage/pharmacokinetics/therapeutic use ; Humans ; Injections, Intraventricular ; Neurturin/administration & dosage/genetics/therapeutic use ; Parkinson Disease/drug therapy ; Proteins/administration & dosage/adverse effects/*pharmacokinetics/*therapeutic ; use
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 115
    Publikationsdatum: 2010-11-26
    Beschreibung: Sugar efflux transporters are essential for the maintenance of animal blood glucose levels, plant nectar production, and plant seed and pollen development. Despite broad biological importance, the identity of sugar efflux transporters has remained elusive. Using optical glucose sensors, we identified a new class of sugar transporters, named SWEETs, and show that at least six out of seventeen Arabidopsis, two out of over twenty rice and two out of seven homologues in Caenorhabditis elegans, and the single copy human protein, mediate glucose transport. Arabidopsis SWEET8 is essential for pollen viability, and the rice homologues SWEET11 and SWEET14 are specifically exploited by bacterial pathogens for virulence by means of direct binding of a bacterial effector to the SWEET promoter. Bacterial symbionts and fungal and bacterial pathogens induce the expression of different SWEET genes, indicating that the sugar efflux function of SWEET transporters is probably targeted by pathogens and symbionts for nutritional gain. The metazoan homologues may be involved in sugar efflux from intestinal, liver, epididymis and mammary cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3000469/" 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/PMC3000469/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Li-Qing -- Hou, Bi-Huei -- Lalonde, Sylvie -- Takanaga, Hitomi -- Hartung, Mara L -- Qu, Xiao-Qing -- Guo, Woei-Jiun -- Kim, Jung-Gun -- Underwood, William -- Chaudhuri, Bhavna -- Chermak, Diane -- Antony, Ginny -- White, Frank F -- Somerville, Shauna C -- Mudgett, Mary Beth -- Frommer, Wolf B -- 1R01DK079109/DK/NIDDK NIH HHS/ -- F32GM083439-02/GM/NIGMS NIH HHS/ -- R01 DK079109/DK/NIDDK NIH HHS/ -- R01 DK079109-01/DK/NIDDK NIH HHS/ -- R01 DK079109-02/DK/NIDDK NIH HHS/ -- R01 DK079109-03/DK/NIDDK NIH HHS/ -- R01 DK079109-03S1/DK/NIDDK NIH HHS/ -- R01 DK079109-04/DK/NIDDK NIH HHS/ -- R01 GM068886/GM/NIGMS NIH HHS/ -- ZR01GM06886-06A1/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Nov 25;468(7323):527-32. doi: 10.1038/nature09606.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Biology, Carnegie Institution for Science, 260 Panama St, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107422" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Arabidopsis/genetics/*metabolism/microbiology ; Arabidopsis Proteins/genetics/*metabolism ; Biological Transport/genetics ; Gene Expression Profiling ; Gene Expression Regulation, Plant ; Glucose/*metabolism ; HEK293 Cells ; Host-Pathogen Interactions/*physiology ; Humans ; Membrane Transport Proteins/*metabolism ; Models, Biological ; Oryza/genetics/metabolism/microbiology ; RNA, Messenger/metabolism ; Saccharomyces cerevisiae/genetics ; Xenopus/genetics
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 116
    facet.materialart.
    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-11-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Nov 25;468(7323):476. doi: 10.1038/468476a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107382" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Canada ; *Conservation of Natural Resources/economics/legislation & jurisprudence/methods ; *Environment ; Environmental Pollutants ; Humans ; *Mining ; *Science
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 117
    facet.materialart.
    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-01-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Firestone, Chaz -- England -- Nature. 2010 Jan 28;463(7280):408-9. doi: 10.1038/463408a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20110954" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antarctic Regions ; Carbon Dioxide/*analysis ; *Climate Change ; Humans ; Ice/*analysis ; Methane/analysis
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 118
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-11-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Nov 25;468(7323):475. doi: 10.1038/468475a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107380" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; *Alcoholic Beverages ; *Alcoholic Intoxication ; *Caffeine ; Europe ; Humans ; United States ; United States Food and Drug Administration ; Young Adult
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 119
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barske, Lindsey A -- Capel, Blanche -- England -- Nature. 2010 Mar 11;464(7286):171-2. doi: 10.1038/464171a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20220830" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Birds/genetics/*physiology ; Chick Embryo ; Chickens ; Female ; Genotype ; Humans ; Male ; Mice ; Mosaicism ; Phenotype ; Sex Characteristics ; Sex Chromosomes/genetics ; *Sex Determination Processes
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 120
    Publikationsdatum: 2010-11-26
    Beschreibung: Members of the Wiskott-Aldrich syndrome protein (WASP) family control cytoskeletal dynamics by promoting actin filament nucleation with the Arp2/3 complex. The WASP relative WAVE regulates lamellipodia formation within a 400-kilodalton, hetero-pentameric WAVE regulatory complex (WRC). The WRC is inactive towards the Arp2/3 complex, but can be stimulated by the Rac GTPase, kinases and phosphatidylinositols. Here we report the 2.3-angstrom crystal structure of the WRC and complementary mechanistic analyses. The structure shows that the activity-bearing VCA motif of WAVE is sequestered by a combination of intramolecular and intermolecular contacts within the WRC. Rac and kinases appear to destabilize a WRC element that is necessary for VCA sequestration, suggesting the way in which these signals stimulate WRC activity towards the Arp2/3 complex. The spatial proximity of the Rac binding site and the large basic surface of the WRC suggests how the GTPase and phospholipids could cooperatively recruit the complex to membranes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3085272/" 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/PMC3085272/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Zhucheng -- Borek, Dominika -- Padrick, Shae B -- Gomez, Timothy S -- Metlagel, Zoltan -- Ismail, Ayman M -- Umetani, Junko -- Billadeau, Daniel D -- Otwinowski, Zbyszek -- Rosen, Michael K -- 1F32-GM06917902/GM/NIGMS NIH HHS/ -- AI07047/AI/NIAID NIH HHS/ -- R01 AI065474/AI/NIAID NIH HHS/ -- R01 GM053163/GM/NIGMS NIH HHS/ -- R01 GM056322/GM/NIGMS NIH HHS/ -- R01 GM056322-15/GM/NIGMS NIH HHS/ -- R01-AI065474/AI/NIAID NIH HHS/ -- R01-GM053163/GM/NIGMS NIH HHS/ -- R01-GM056322/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Nov 25;468(7323):533-8. doi: 10.1038/nature09623.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, Texas 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107423" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actins/*metabolism ; Animals ; HeLa Cells ; Humans ; Insects/cytology ; *Models, Molecular ; Phosphorylation ; Protein Structure, Quaternary ; Wiskott-Aldrich Syndrome Protein Family/*chemistry ; rac1 GTP-Binding Protein/metabolism
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  • 121
    Publikationsdatum: 2010-04-20
    Beschreibung: Ever since Darwin's pioneering research, the evolution of self-fertilisation (selfing) has been regarded as one of the most prevalent evolutionary transitions in flowering plants. A major mechanism to prevent selfing is the self-incompatibility (SI) recognition system, which consists of male and female specificity genes at the S-locus and SI modifier genes. Under conditions that favour selfing, mutations disabling the male recognition component are predicted to enjoy a relative advantage over those disabling the female component, because male mutations would increase through both pollen and seeds whereas female mutations would increase only through seeds. Despite many studies on the genetic basis of loss of SI in the predominantly selfing plant Arabidopsis thaliana, it remains unknown whether selfing arose through mutations in the female specificity gene (S-receptor kinase, SRK), male specificity gene (S-locus cysteine-rich protein, SCR; also known as S-locus protein 11, SP11) or modifier genes, and whether any of them rose to high frequency across large geographic regions. Here we report that a disruptive 213-base-pair (bp) inversion in the SCR gene (or its derivative haplotypes with deletions encompassing the entire SCR-A and a large portion of SRK-A) is found in 95% of European accessions, which contrasts with the genome-wide pattern of polymorphism in European A. thaliana. Importantly, interspecific crossings using Arabidopsis halleri as a pollen donor reveal that some A. thaliana accessions, including Wei-1, retain the female SI reaction, suggesting that all female components including SRK are still functional. Moreover, when the 213-bp inversion in SCR was inverted and expressed in transgenic Wei-1 plants, the functional SCR restored the SI reaction. The inversion within SCR is the first mutation disrupting SI shown to be nearly fixed in geographically wide samples, and its prevalence is consistent with theoretical predictions regarding the evolutionary advantage of mutations in male components.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsuchimatsu, Takashi -- Suwabe, Keita -- Shimizu-Inatsugi, Rie -- Isokawa, Sachiyo -- Pavlidis, Pavlos -- Stadler, Thomas -- Suzuki, Go -- Takayama, Seiji -- Watanabe, Masao -- Shimizu, Kentaro K -- England -- Nature. 2010 Apr 29;464(7293):1342-6. doi: 10.1038/nature08927. Epub 2010 Apr 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Plant Biology, University Research Priority Program in Systems Biology/Functional Genomics & Zurich-Basel Plant Science Center, University of Zurich, Zollikerstrasse 107, CH-8008 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20400945" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Arabidopsis/chemistry/classification/*genetics/*physiology ; *Biological Evolution ; Crosses, Genetic ; Genes, Plant/*genetics ; Haplotypes/genetics ; Hybridization, Genetic/genetics ; Molecular Sequence Data ; Mutation/*genetics ; Pollen/physiology ; Pollination ; Reproduction/genetics/physiology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 122
    Publikationsdatum: 2010-09-14
    Beschreibung: Messenger RNA lacking stop codons ('non-stop mRNA') can arise from errors in gene expression, and encode aberrant proteins whose accumulation could be deleterious to cellular function. In bacteria, these 'non-stop proteins' become co-translationally tagged with a peptide encoded by ssrA/tmRNA (transfer-messenger RNA), which signals their degradation by energy-dependent proteases. How eukaryotic cells eliminate non-stop proteins has remained unknown. Here we show that the Saccharomyces cerevisiae Ltn1 RING-domain-type E3 ubiquitin ligase acts in the quality control of non-stop proteins, in a process that is mechanistically distinct but conceptually analogous to that performed by ssrA: Ltn1 is predominantly associated with ribosomes, and it marks nascent non-stop proteins with ubiquitin to signal their proteasomal degradation. Ltn1-mediated ubiquitylation of non-stop proteins seems to be triggered by their stalling in ribosomes on translation through the poly(A) tail. The biological relevance of this process is underscored by the finding that loss of Ltn1 function confers sensitivity to stress caused by increased non-stop protein production. We speculate that defective protein quality control may underlie the neurodegenerative phenotype that results from mutation of the mouse Ltn1 homologue Listerin.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2988496/" 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/PMC2988496/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bengtson, Mario H -- Joazeiro, Claudio A P -- R01 GM083060/GM/NIGMS NIH HHS/ -- R01 GM083060-03/GM/NIGMS NIH HHS/ -- R01GM083060/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Sep 23;467(7314):470-3. doi: 10.1038/nature09371. Epub 2010 Sep 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, The Scripps Research Institute, CB168, 10550 North Torrey Pines Road, La Jolla, California 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20835226" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Codon, Terminator/genetics ; Mice ; Models, Biological ; Peptide Chain Termination, Translational ; Polylysine/biosynthesis/metabolism ; Proteasome Endopeptidase Complex/metabolism ; Protein Binding ; Protein Biosynthesis/*physiology ; Ribosomes/*enzymology/*metabolism ; Saccharomyces cerevisiae/cytology/enzymology/genetics/metabolism ; Saccharomyces cerevisiae Proteins/genetics/*metabolism ; Stress, Physiological ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/deficiency/genetics/*metabolism ; *Ubiquitination
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 123
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tullberg, Jeff -- England -- Nature. 2010 Aug 19;466(7309):920. doi: 10.1038/466920c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725020" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agriculture/instrumentation/*methods ; Conservation of Natural Resources/*methods ; Food Supply/statistics & numerical data ; Humans ; Porosity ; Soil/analysis/*standards
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 124
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-06-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clayton, Julie -- England -- Nature. 2010 Jun 24;465(7301):S4-5. doi: 10.1038/nature09220.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20571553" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acute Disease ; Animals ; Carrier State/epidemiology/immunology/parasitology ; *Chagas Disease/drug therapy/epidemiology/parasitology/transmission ; Chronic Disease/drug therapy/epidemiology ; Clinical Trials as Topic ; History, 16th Century ; History, 19th Century ; History, 20th Century ; History, 21st Century ; History, Ancient ; Humans ; Insect Vectors/parasitology ; Latin America/epidemiology/ethnology ; Neglected Diseases/economics ; Nitroimidazoles/pharmacology/therapeutic use ; Trypanocidal Agents/pharmacology/therapeutic use ; Trypanosoma cruzi/immunology/pathogenicity/physiology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 125
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-06-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clayton, Julie -- England -- Nature. 2010 Jun 24;465(7301):S16-7. doi: 10.1038/nature09225.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20571549" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Chagas Disease/drug therapy/*parasitology ; Drug Discovery ; Evolution, Molecular ; Genome, Protozoan/*genetics ; *Genomics/economics ; Humans ; Trypanosoma cruzi/classification/*genetics/pathogenicity/physiology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 126
    Publikationsdatum: 2010-08-20
    Beschreibung: Epigenetic modifications must underlie lineage-specific differentiation as terminally differentiated cells express tissue-specific genes, but their DNA sequence is unchanged. Haematopoiesis provides a well-defined model to study epigenetic modifications during cell-fate decisions, as multipotent progenitors (MPPs) differentiate into progressively restricted myeloid or lymphoid progenitors. Although DNA methylation is critical for myeloid versus lymphoid differentiation, as demonstrated by the myeloerythroid bias in Dnmt1 hypomorphs, a comprehensive DNA methylation map of haematopoietic progenitors, or of any multipotent/oligopotent lineage, does not exist. Here we examined 4.6 million CpG sites throughout the genome for MPPs, common lymphoid progenitors (CLPs), common myeloid progenitors (CMPs), granulocyte/macrophage progenitors (GMPs), and thymocyte progenitors (DN1, DN2, DN3). Marked epigenetic plasticity accompanied both lymphoid and myeloid restriction. Myeloid commitment involved less global DNA methylation than lymphoid commitment, supported functionally by myeloid skewing of progenitors following treatment with a DNA methyltransferase inhibitor. Differential DNA methylation correlated with gene expression more strongly at CpG island shores than CpG islands. Many examples of genes and pathways not previously known to be involved in choice between lymphoid/myeloid differentiation have been identified, such as Arl4c and Jdp2. Several transcription factors, including Meis1, were methylated and silenced during differentiation, indicating a role in maintaining an undifferentiated state. Additionally, epigenetic modification of modifiers of the epigenome seems to be important in haematopoietic differentiation. Our results directly demonstrate that modulation of DNA methylation occurs during lineage-specific differentiation and defines a comprehensive map of the methylation and transcriptional changes that accompany myeloid versus lymphoid fate decisions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2956609/" 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/PMC2956609/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ji, Hong -- Ehrlich, Lauren I R -- Seita, Jun -- Murakami, Peter -- Doi, Akiko -- Lindau, Paul -- Lee, Hwajin -- Aryee, Martin J -- Irizarry, Rafael A -- Kim, Kitai -- Rossi, Derrick J -- Inlay, Matthew A -- Serwold, Thomas -- Karsunky, Holger -- Ho, Lena -- Daley, George Q -- Weissman, Irving L -- Feinberg, Andrew P -- CA09151/CA/NCI NIH HHS/ -- F32 AI058521/AI/NIAID NIH HHS/ -- F32 AI058521-02/AI/NIAID NIH HHS/ -- F32AI058521/AI/NIAID NIH HHS/ -- P50 HG003233/HG/NHGRI NIH HHS/ -- P50 HG003233-07/HG/NHGRI NIH HHS/ -- P50 HG003233-08/HG/NHGRI NIH HHS/ -- P50HG003233/HG/NHGRI NIH HHS/ -- R00 AG029760/AG/NIA NIH HHS/ -- R00 AG029760-04/AG/NIA NIH HHS/ -- R00AGO29760/PHS HHS/ -- R01 AI047457/AI/NIAID NIH HHS/ -- R01 AI047457-04/AI/NIAID NIH HHS/ -- R01 AI047457-05/AI/NIAID NIH HHS/ -- R01 AI047458/AI/NIAID NIH HHS/ -- R01 CA086065/CA/NCI NIH HHS/ -- R01 GM083084/GM/NIGMS NIH HHS/ -- R01 GM083084-04/GM/NIGMS NIH HHS/ -- R01AI047457/AI/NIAID NIH HHS/ -- R01AI047458/AI/NIAID NIH HHS/ -- R37 CA054358/CA/NCI NIH HHS/ -- R37 CA054358-18/CA/NCI NIH HHS/ -- R37 CA054358-19/CA/NCI NIH HHS/ -- R37CA053458/CA/NCI NIH HHS/ -- England -- Nature. 2010 Sep 16;467(7313):338-42. doi: 10.1038/nature09367. Epub 2010 Aug 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Epigenetics and Department of Medicine, Johns Hopkins University School of Medicine, 570 Rangos, 725 N. Wolfe St., Baltimore, Maryland 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20720541" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Line ; *Cell Lineage/genetics ; CpG Islands/genetics ; *DNA Methylation/genetics ; Epigenesis, Genetic ; Gene Expression Profiling ; Genome/genetics ; *Hematopoiesis/genetics ; Hematopoietic Stem Cells/*cytology/*metabolism ; Lymphocytes/cytology/metabolism ; Metabolome ; Metabolomics ; Mice ; Myeloid Cells/cytology/metabolism ; Pluripotent Stem Cells/cytology/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 127
    Publikationsdatum: 2010-04-30
    Beschreibung: In sensory cortex regions, neurons are tuned to specific stimulus features. For example, in the visual cortex, many neurons fire predominantly in response to moving objects of a preferred orientation. However, the characteristics of the synaptic input that cortical neurons receive to generate their output firing pattern remain unclear. Here we report a novel approach for the visualization and functional mapping of sensory inputs to the dendrites of cortical neurons in vivo. By combining high-speed two-photon imaging with electrophysiological recordings, we identify local subthreshold calcium signals that correspond to orientation-specific synaptic inputs. We find that even inputs that share the same orientation preference are widely distributed throughout the dendritic tree. At the same time, inputs of different orientation preference are interspersed, so that adjacent dendritic segments are tuned to distinct orientations. Thus, orientation-tuned neurons can compute their characteristic firing pattern by integrating spatially distributed synaptic inputs coding for multiple stimulus orientations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jia, Hongbo -- Rochefort, Nathalie L -- Chen, Xiaowei -- Konnerth, Arthur -- England -- Nature. 2010 Apr 29;464(7293):1307-12. doi: 10.1038/nature08947.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Neuroscience and Center for Integrated Protein Science, Technical University Munich, Biedersteinerstrasse 29, 80802 Munich, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428163" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; Calcium Signaling ; Dendrites/*physiology ; Mice ; Mice, Inbred C57BL ; Models, Neurological ; Sensory Receptor Cells/cytology/*physiology ; Synapses/metabolism ; Visual Cortex/*cytology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 128
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-11-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Nov 11;468(7321):133. doi: 10.1038/468133a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21068783" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/trends ; Family Health ; Humans ; *Schizophrenia/epidemiology/genetics/physiopathology/therapy
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 129
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bawa, Kamaljit S -- England -- Nature. 2010 Aug 19;466(7309):920. doi: 10.1038/466920d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725017" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agriculture/education/instrumentation/*methods ; Conservation of Natural Resources/methods ; Food Supply/statistics & numerical data ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 130
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-12-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fitzgerald, Garret -- England -- Nature. 2010 Dec 16;468(7326):869. doi: 10.1038/468869a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Translational Medicine and Therapeutics at the University of Pennsylvania in Philadelphia, USA. garret@exchange.upenn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21164436" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Drug Discovery/economics/methods/*organization & administration/*trends ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; Translational Medical Research/*organization & administration/trends ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 131
    Publikationsdatum: 2010-10-19
    Beschreibung: The derivation of human ES cells (hESCs) from human blastocysts represents one of the milestones in stem cell biology. The full potential of hESCs in research and clinical applications requires a detailed understanding of the genetic network that governs the unique properties of hESCs. Here, we report a genome-wide RNA interference screen to identify genes which regulate self-renewal and pluripotency properties in hESCs. Interestingly, functionally distinct complexes involved in transcriptional regulation and chromatin remodelling are among the factors identified in the screen. To understand the roles of these potential regulators of hESCs, we studied transcription factor PRDM14 to gain new insights into its functional roles in the regulation of pluripotency. We showed that PRDM14 regulates directly the expression of key pluripotency gene POU5F1 through its proximal enhancer. Genome-wide location profiling experiments revealed that PRDM14 colocalized extensively with other key transcription factors such as OCT4, NANOG and SOX2, indicating that PRDM14 is integrated into the core transcriptional regulatory network. More importantly, in a gain-of-function assay, we showed that PRDM14 is able to enhance the efficiency of reprogramming of human fibroblasts in conjunction with OCT4, SOX2 and KLF4. Altogether, our study uncovers a wealth of novel hESC regulators wherein PRDM14 exemplifies a key transcription factor required for the maintenance of hESC identity and the reacquisition of pluripotency in human somatic cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chia, Na-Yu -- Chan, Yun-Shen -- Feng, Bo -- Lu, Xinyi -- Orlov, Yuriy L -- Moreau, Dimitri -- Kumar, Pankaj -- Yang, Lin -- Jiang, Jianming -- Lau, Mei-Sheng -- Huss, Mikael -- Soh, Boon-Seng -- Kraus, Petra -- Li, Pin -- Lufkin, Thomas -- Lim, Bing -- Clarke, Neil D -- Bard, Frederic -- Ng, Huck-Hui -- England -- Nature. 2010 Nov 11;468(7321):316-20. doi: 10.1038/nature09531. Epub 2010 Oct 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gene Regulation Laboratory, Genome Institute of Singapore, 60 Biopolis Street, Singapore 138672.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20953172" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Sequence ; Cell Line ; Cellular Reprogramming/genetics ; DNA-Binding Proteins/genetics/metabolism ; Embryonic Stem Cells/*cytology/*metabolism ; Enhancer Elements, Genetic/genetics ; Fibroblasts/cytology/metabolism ; Gene Expression Regulation/genetics ; Genome, Human/*genetics ; Humans ; Induced Pluripotent Stem Cells/cytology/metabolism ; Mice ; Octamer Transcription Factor-3/genetics/metabolism ; *RNA Interference ; Repressor Proteins/genetics/*metabolism ; SOXB1 Transcription Factors/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 132
    Publikationsdatum: 2010-04-02
    Beschreibung: Adiponectin is an anti-diabetic adipokine. Its receptors possess a seven-transmembrane topology with the amino terminus located intracellularly, which is the opposite of G-protein-coupled receptors. Here we provide evidence that adiponectin induces extracellular Ca(2+) influx by adiponectin receptor 1 (AdipoR1), which was necessary for subsequent activation of Ca(2+)/calmodulin-dependent protein kinase kinase beta (CaMKKbeta), AMPK and SIRT1, increased expression and decreased acetylation of peroxisome proliferator-activated receptor gamma coactivator-1alpha (PGC-1alpha), and increased mitochondria in myocytes. Moreover, muscle-specific disruption of AdipoR1 suppressed the adiponectin-mediated increase in intracellular Ca(2+) concentration, and decreased the activation of CaMKK, AMPK and SIRT1 by adiponectin. Suppression of AdipoR1 also resulted in decreased PGC-1alpha expression and deacetylation, decreased mitochondrial content and enzymes, decreased oxidative type I myofibres, and decreased oxidative stress-detoxifying enzymes in skeletal muscle, which were associated with insulin resistance and decreased exercise endurance. Decreased levels of adiponectin and AdipoR1 in obesity may have causal roles in mitochondrial dysfunction and insulin resistance seen in diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iwabu, Masato -- Yamauchi, Toshimasa -- Okada-Iwabu, Miki -- Sato, Koji -- Nakagawa, Tatsuro -- Funata, Masaaki -- Yamaguchi, Mamiko -- Namiki, Shigeyuki -- Nakayama, Ryo -- Tabata, Mitsuhisa -- Ogata, Hitomi -- Kubota, Naoto -- Takamoto, Iseki -- Hayashi, Yukiko K -- Yamauchi, Naoko -- Waki, Hironori -- Fukayama, Masashi -- Nishino, Ichizo -- Tokuyama, Kumpei -- Ueki, Kohjiro -- Oike, Yuichi -- Ishii, Satoshi -- Hirose, Kenzo -- Shimizu, Takao -- Touhara, Kazushige -- Kadowaki, Takashi -- England -- Nature. 2010 Apr 29;464(7293):1313-9. doi: 10.1038/nature08991. Epub 2010 Mar 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, University of Tokyo, Tokyo 113-0033, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20357764" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): AMP-Activated Protein Kinases/*metabolism ; Adiponectin/*metabolism ; Animals ; Calcium/*metabolism ; Calcium Signaling ; Calcium-Calmodulin-Dependent Protein Kinase Kinase/metabolism ; Cell Line ; Glucose/metabolism ; Homeostasis ; Insulin/metabolism ; Insulin Resistance ; Mice ; Mitochondria/*metabolism ; Muscle Cells/cytology/metabolism ; Muscle, Skeletal/cytology/metabolism ; Oocytes/metabolism ; Oxidative Stress ; Physical Conditioning, Animal ; Receptors, Adiponectin/deficiency/*metabolism ; Sirtuin 1/*metabolism ; Trans-Activators/*metabolism ; Transcription Factors ; Xenopus laevis
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 133
    Publikationsdatum: 2010-10-12
    Beschreibung: Gastrointestinal stromal tumour (GIST) is the most common human sarcoma and is primarily defined by activating mutations in the KIT or PDGFRA receptor tyrosine kinases. KIT is highly expressed in interstitial cells of Cajal (ICCs)-the presumed cell of origin for GIST-as well as in haematopoietic stem cells, melanocytes, mast cells and germ cells. Yet, families harbouring germline activating KIT mutations and mice with knock-in Kit mutations almost exclusively develop ICC hyperplasia and GIST, suggesting that the cellular context is important for KIT to mediate oncogenesis. Here we show that the ETS family member ETV1 is highly expressed in the subtypes of ICCs sensitive to oncogenic KIT mediated transformation, and is required for their development. In addition, ETV1 is universally highly expressed in GISTs and is required for growth of imatinib-sensitive and resistant GIST cell lines. Transcriptome profiling and global analyses of ETV1-binding sites suggest that ETV1 is a master regulator of an ICC-GIST-specific transcription network mainly through enhancer binding. The ETV1 transcriptional program is further regulated by activated KIT, which prolongs ETV1 protein stability and cooperates with ETV1 to promote tumorigenesis. We propose that GIST arises from ICCs with high levels of endogenous ETV1 expression that, when coupled with an activating KIT mutation, drives an oncogenic ETS transcriptional program. This differs from other ETS-dependent tumours such as prostate cancer, melanoma and Ewing sarcoma where genomic translocation or amplification drives aberrant ETS expression. It also represents a novel mechanism of oncogenic transcription factor activation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2955195/" 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/PMC2955195/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chi, Ping -- Chen, Yu -- Zhang, Lei -- Guo, Xingyi -- Wongvipat, John -- Shamu, Tambudzai -- Fletcher, Jonathan A -- Dewell, Scott -- Maki, Robert G -- Zheng, Deyou -- Antonescu, Cristina R -- Allis, C David -- Sawyers, Charles L -- 5F32CA130372/CA/NCI NIH HHS/ -- CA148260/CA/NCI NIH HHS/ -- CA47179/CA/NCI NIH HHS/ -- F32 CA130372/CA/NCI NIH HHS/ -- F32 CA130372-02/CA/NCI NIH HHS/ -- GM40922/GM/NIGMS NIH HHS/ -- K08 CA140946/CA/NCI NIH HHS/ -- K08 CA140946-02/CA/NCI NIH HHS/ -- K08CA140946/CA/NCI NIH HHS/ -- P01 CA047179/CA/NCI NIH HHS/ -- P01 CA047179-169002/CA/NCI NIH HHS/ -- P01CA47179/CA/NCI NIH HHS/ -- R21 MH087840/MH/NIMH NIH HHS/ -- R21 MH087840-01/MH/NIMH NIH HHS/ -- R21MH087840/MH/NIMH NIH HHS/ -- RC2 CA148260-02/CA/NCI NIH HHS/ -- England -- Nature. 2010 Oct 14;467(7317):849-53. doi: 10.1038/nature09409. Epub 2010 Oct 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, 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/20927104" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Benzamides ; Binding Sites ; Biomarkers, Tumor/genetics/metabolism ; Cell Line, Tumor ; *Cell Lineage ; Cell Survival/drug effects ; *Cell Transformation, Neoplastic ; DNA-Binding Proteins/antagonists & inhibitors/genetics/*metabolism ; Disease Progression ; Enhancer Elements, Genetic/genetics ; Gastrointestinal Stromal Tumors/*metabolism/*pathology ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic/genetics ; Humans ; Imatinib Mesylate ; Interstitial Cells of Cajal/metabolism/pathology ; Mice ; Mutant Proteins/genetics/metabolism ; Mutation ; NIH 3T3 Cells ; Oncogenes/genetics/*physiology ; Piperazines/pharmacology ; Protein Stability ; Proto-Oncogene Proteins c-kit/genetics/*metabolism ; Pyrimidines/pharmacology ; Signal Transduction ; Transcription Factors/antagonists & inhibitors/genetics/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 134
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-09-11
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schiermeier, Quirin -- England -- Nature. 2010 Sep 9;467(7312):145. doi: 10.1038/467145a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20829769" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Africa ; *Climate Change ; Humans ; *Warfare
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 135
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-10-01
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Sep 30;467(7315):499. doi: 10.1038/467499a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20881968" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Clinical Trials as Topic/trends ; Cooperative Behavior ; Humans ; Melanoma/drug therapy/genetics/metabolism/pathology ; Pharmacogenetics/trends ; Precision Medicine/trends ; Proto-Oncogene Proteins B-raf/genetics/metabolism ; Research Personnel ; *Translational Medical Research/trends
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 136
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-07-31
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chipman, Andrea -- England -- Nature. 2010 Jul 29;466(7306):542-3. doi: 10.1038/466542a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20671684" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agriculture/economics/*trends ; Biotechnology/economics/*trends ; Decision Making ; Europe ; European Union/economics ; Fear ; Food, Genetically Modified/economics/standards/*utilization ; Humans ; Risk Assessment
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 137
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-01-30
    Beschreibung: The ability of a eukaryotic cell to resist deformation, to transport intracellular cargo and to change shape during movement depends on the cytoskeleton, an interconnected network of filamentous polymers and regulatory proteins. Recent work has demonstrated that both internal and external physical forces can act through the cytoskeleton to affect local mechanical properties and cellular behaviour. Attention is now focused on how cytoskeletal networks generate, transmit and respond to mechanical signals over both short and long timescales. An important insight emerging from this work is that long-lived cytoskeletal structures may act as epigenetic determinants of cell shape, function and fate.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2851742/" 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/PMC2851742/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fletcher, Daniel A -- Mullins, R Dyche -- PN2 EY016546/EY/NEI NIH HHS/ -- PN2 EY016546-05/EY/NEI NIH HHS/ -- PN2 EY016546-06/EY/NEI NIH HHS/ -- England -- Nature. 2010 Jan 28;463(7280):485-92. doi: 10.1038/nature08908.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bioengineering and Biophysics, University of California, Berkeley, California 94720, USA. fletch@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20110992" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomechanical Phenomena ; Cell Physiological Phenomena/*physiology ; Cell Shape/physiology ; Cytoskeleton/chemistry/*physiology ; Epigenesis, Genetic ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 138
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-04-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Venter, J Craig -- England -- Nature. 2010 Apr 1;464(7289):676-7. doi: 10.1038/464676a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉J. Craig Venter Institute, La Jolla, California 92121, USA. jcventer@jcvi.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360717" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Continental Population Groups/genetics ; Diploidy ; Female ; Genetic Predisposition to Disease/genetics ; Genetic Variation/genetics ; Genetics, Medical/*trends ; Genome, Human/*genetics ; Genomics/economics/history/*trends ; Haploidy ; Haplotypes/genetics ; History, 20th Century ; History, 21st Century ; Human Genome Project/economics/history ; Humans ; Male ; Phenotype ; Precision Medicine/*trends ; Sequence Analysis, DNA/economics/history/instrumentation/methods
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 139
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-06-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Jun 3;465(7298):526. doi: 10.1038/465526a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20520665" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Disease Models, Animal ; *Genes ; Humans ; Mice ; Molecular Biology/economics/*methods ; *Phenotype
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 140
    Publikationsdatum: 2010-02-16
    Beschreibung: Haematopoietic stem cells (HSCs), responsible for blood production in the adult mouse, are first detected in the dorsal aorta starting at embryonic day 10.5 (E10.5). Immunohistological analysis of fixed embryo sections has revealed the presence of haematopoietic cell clusters attached to the aortic endothelium where HSCs might localize. The origin of HSCs has long been controversial and several candidates of the direct HSC precursors have been proposed (for review see ref. 7), including a specialized endothelial cell population with a haemogenic potential. Such cells have been described both in vitro in the embryonic stem cell (ESC) culture system and retrospectively in vivo by endothelial lineage tracing and conditional deletion experiments. Whether the transition from haemogenic endothelium to HSC actually occurs in the mouse embryonic aorta is still unclear and requires direct and real-time in vivo observation. To address this issue we used time-lapse confocal imaging and a new dissection procedure to visualize the deeply located aorta. Here we show the dynamic de novo emergence of phenotypically defined HSCs (Sca1(+), c-kit(+), CD41(+)) directly from ventral aortic haemogenic endothelial cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boisset, Jean-Charles -- van Cappellen, Wiggert -- Andrieu-Soler, Charlotte -- Galjart, Niels -- Dzierzak, Elaine -- Robin, Catherine -- R37 DKO54077/PHS HHS/ -- England -- Nature. 2010 Mar 4;464(7285):116-20. doi: 10.1038/nature08764. Epub 2010 Feb 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Erasmus Medical Center, Department of Cell Biology, CA Rotterdam, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20154729" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aorta/*cytology/embryology/surgery ; *Cell Differentiation ; *Cell Lineage ; Core Binding Factor Alpha 2 Subunit/deficiency/genetics/metabolism ; Dissection ; Embryo, Mammalian/cytology ; Endothelial Cells/cytology ; Endothelium, Vascular/*cytology/embryology ; Female ; Hematopoietic Stem Cells/*cytology ; Male ; Mice ; Microscopy, Confocal ; Phenotype ; Pregnancy
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 141
    Publikationsdatum: 2010-07-24
    Beschreibung: Learning new action sequences subserves a plethora of different abilities such as escaping a predator, playing the piano, or producing fluent speech. Proper initiation and termination of each action sequence is critical for the organization of behaviour, and is compromised in nigrostriatal disorders like Parkinson's and Huntington's diseases. Using a self-paced operant task in which mice learn to perform a particular sequence of actions to obtain an outcome, we found neural activity in nigrostriatal circuits specifically signalling the initiation or the termination of each action sequence. This start/stop activity emerged during sequence learning, was specific for particular actions, and did not reflect interval timing, movement speed or action value. Furthermore, genetically altering the function of striatal circuits disrupted the development of start/stop activity and selectively impaired sequence learning. These results have important implications for understanding the functional organization of actions and the sequence initiation and termination impairments observed in basal ganglia disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3477867/" 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/PMC3477867/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jin, Xin -- Costa, Rui M -- 243393/European Research Council/International -- Z01 AA000416-02/Intramural NIH HHS/ -- England -- Nature. 2010 Jul 22;466(7305):457-62. doi: 10.1038/nature09263.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Integrative Neuroscience, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, 5625 Fishers Lane, Bethesda, Maryland 20892-9412, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20651684" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; Behavior, Animal/physiology ; Dopamine/metabolism ; Glutamic Acid/metabolism ; Learning/*physiology ; Male ; Mice ; Mice, Inbred C57BL ; Models, Neurological ; Neostriatum/*physiology ; Neural Pathways/*physiology ; Receptors, N-Methyl-D-Aspartate/deficiency/genetics/metabolism ; Substantia Nigra/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 142
    Publikationsdatum: 2010-06-04
    Beschreibung: Brown algae (Phaeophyceae) are complex photosynthetic organisms with a very different evolutionary history to green plants, to which they are only distantly related. These seaweeds are the dominant species in rocky coastal ecosystems and they exhibit many interesting adaptations to these, often harsh, environments. Brown algae are also one of only a small number of eukaryotic lineages that have evolved complex multicellularity (Fig. 1). We report the 214 million base pair (Mbp) genome sequence of the filamentous seaweed Ectocarpus siliculosus (Dillwyn) Lyngbye, a model organism for brown algae, closely related to the kelps (Fig. 1). Genome features such as the presence of an extended set of light-harvesting and pigment biosynthesis genes and new metabolic processes such as halide metabolism help explain the ability of this organism to cope with the highly variable tidal environment. The evolution of multicellularity in this lineage is correlated with the presence of a rich array of signal transduction genes. Of particular interest is the presence of a family of receptor kinases, as the independent evolution of related molecules has been linked with the emergence of multicellularity in both the animal and green plant lineages. The Ectocarpus genome sequence represents an important step towards developing this organism as a model species, providing the possibility to combine genomic and genetic approaches to explore these and other aspects of brown algal biology further.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cock, J Mark -- Sterck, Lieven -- Rouze, Pierre -- Scornet, Delphine -- Allen, Andrew E -- Amoutzias, Grigoris -- Anthouard, Veronique -- Artiguenave, Francois -- Aury, Jean-Marc -- Badger, Jonathan H -- Beszteri, Bank -- Billiau, Kenny -- Bonnet, Eric -- Bothwell, John H -- Bowler, Chris -- Boyen, Catherine -- Brownlee, Colin -- Carrano, Carl J -- Charrier, Benedicte -- Cho, Ga Youn -- Coelho, Susana M -- Collen, Jonas -- Corre, Erwan -- Da Silva, Corinne -- Delage, Ludovic -- Delaroque, Nicolas -- Dittami, Simon M -- Doulbeau, Sylvie -- Elias, Marek -- Farnham, Garry -- Gachon, Claire M M -- Gschloessl, Bernhard -- Heesch, Svenja -- Jabbari, Kamel -- Jubin, Claire -- Kawai, Hiroshi -- Kimura, Kei -- Kloareg, Bernard -- Kupper, Frithjof C -- Lang, Daniel -- Le Bail, Aude -- Leblanc, Catherine -- Lerouge, Patrice -- Lohr, Martin -- Lopez, Pascal J -- Martens, Cindy -- Maumus, Florian -- Michel, Gurvan -- Miranda-Saavedra, Diego -- Morales, Julia -- Moreau, Herve -- Motomura, Taizo -- Nagasato, Chikako -- Napoli, Carolyn A -- Nelson, David R -- Nyvall-Collen, Pi -- Peters, Akira F -- Pommier, Cyril -- Potin, Philippe -- Poulain, Julie -- Quesneville, Hadi -- Read, Betsy -- Rensing, Stefan A -- Ritter, Andres -- Rousvoal, Sylvie -- Samanta, Manoj -- Samson, Gaelle -- Schroeder, Declan C -- Segurens, Beatrice -- Strittmatter, Martina -- Tonon, Thierry -- Tregear, James W -- Valentin, Klaus -- von Dassow, Peter -- Yamagishi, Takahiro -- Van de Peer, Yves -- Wincker, Patrick -- England -- Nature. 2010 Jun 3;465(7298):617-21. doi: 10.1038/nature09016.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UPMC Universite Paris 6, The Marine Plants and Biomolecules Laboratory, UMR 7139, Station Biologique de Roscoff, Place Georges Teissier, BP74, 29682 Roscoff Cedex, France. cock@sb-roscoff.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20520714" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Algal Proteins/*genetics ; Animals ; *Biological Evolution ; Eukaryota ; Evolution, Molecular ; Genome/*genetics ; Molecular Sequence Data ; Phaeophyta/*cytology/*genetics/metabolism ; Phylogeny ; Pigments, Biological/biosynthesis ; Signal Transduction/genetics
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 143
    Publikationsdatum: 2010-06-01
    Beschreibung: Nucleosomes compact and regulate access to DNA in the nucleus, and are composed of approximately 147 bases of DNA wrapped around a histone octamer. Here we report a genome-wide nucleosome positioning analysis of Arabidopsis thaliana using massively parallel sequencing of mononucleosomes. By combining this data with profiles of DNA methylation at single base resolution, we identified 10-base periodicities in the DNA methylation status of nucleosome-bound DNA and found that nucleosomal DNA was more highly methylated than flanking DNA. These results indicate that nucleosome positioning influences DNA methylation patterning throughout the genome and that DNA methyltransferases preferentially target nucleosome-bound DNA. We also observed similar trends in human nucleosomal DNA, indicating that the relationships between nucleosomes and DNA methyltransferases are conserved. Finally, as has been observed in animals, nucleosomes were highly enriched on exons, and preferentially positioned at intron-exon and exon-intron boundaries. RNA polymerase II (Pol II) was also enriched on exons relative to introns, consistent with the hypothesis that nucleosome positioning regulates Pol II processivity. DNA methylation is also enriched on exons, consistent with the targeting of DNA methylation to nucleosomes, and suggesting a role for DNA methylation in exon definition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2964354/" 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/PMC2964354/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chodavarapu, Ramakrishna K -- Feng, Suhua -- Bernatavichute, Yana V -- Chen, Pao-Yang -- Stroud, Hume -- Yu, Yanchun -- Hetzel, Jonathan A -- Kuo, Frank -- Kim, Jin -- Cokus, Shawn J -- Casero, David -- Bernal, Maria -- Huijser, Peter -- Clark, Amander T -- Kramer, Ute -- Merchant, Sabeeha S -- Zhang, Xiaoyu -- Jacobsen, Steven E -- Pellegrini, Matteo -- GM07104/GM/NIGMS NIH HHS/ -- GM42143/GM/NIGMS NIH HHS/ -- GM60398/GM/NIGMS NIH HHS/ -- R37 GM042143/GM/NIGMS NIH HHS/ -- R37 GM060398/GM/NIGMS NIH HHS/ -- R37 GM060398-10/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Jul 15;466(7304):388-92. doi: 10.1038/nature09147. Epub 2010 May 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular, Cell, and Developmental Biology, University of California Los Angeles, Los Angeles, California 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20512117" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Arabidopsis/enzymology/*genetics/*metabolism ; Chromatin Assembly and Disassembly/genetics/*physiology ; Chromatin Immunoprecipitation ; DNA Methylation/genetics/*physiology ; DNA Polymerase II/analysis/metabolism ; DNA, Plant/genetics/metabolism ; Exons/genetics ; Genes, Plant/genetics ; Genome, Plant/genetics ; Humans ; Micrococcal Nuclease/metabolism ; Nucleosomes/genetics/*metabolism ; Sequence Analysis, DNA
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  • 144
    Publikationsdatum: 2010-07-14
    Beschreibung: The NAD-dependent deacetylase Sir2 was initially identified as a mediator of replicative lifespan in budding yeast and was subsequently shown to modulate longevity in worms and flies. Its mammalian homologue, SIRT1, seems to have evolved complex systemic roles in cardiac function, DNA repair and genomic stability. Recent studies suggest a functional relevance of SIRT1 in normal brain physiology and neurological disorders. However, it is unknown if SIRT1 has a role in higher-order brain functions. We report that SIRT1 modulates synaptic plasticity and memory formation via a microRNA-mediated mechanism. Activation of SIRT1 enhances, whereas its loss-of-function impairs, synaptic plasticity. Surprisingly, these effects were mediated via post-transcriptional regulation of cAMP response binding protein (CREB) expression by a brain-specific microRNA, miR-134. SIRT1 normally functions to limit expression of miR-134 via a repressor complex containing the transcription factor YY1, and unchecked miR-134 expression following SIRT1 deficiency results in the downregulated expression of CREB and brain-derived neurotrophic factor (BDNF), thereby impairing synaptic plasticity. These findings demonstrate a new role for SIRT1 in cognition and a previously unknown microRNA-based mechanism by which SIRT1 regulates these processes. Furthermore, these results describe a separate branch of SIRT1 signalling, in which SIRT1 has a direct role in regulating normal brain function in a manner that is disparate from its cell survival functions, demonstrating its value as a potential therapeutic target for the treatment of central nervous system disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2928875/" 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/PMC2928875/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Jun -- Wang, Wen-Yuan -- Mao, Ying-Wei -- Graff, Johannes -- Guan, Ji-Song -- Pan, Ling -- Mak, Gloria -- Kim, Dohoon -- Su, Susan C -- Tsai, Li-Huei -- P01 AG027916/AG/NIA NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Aug 26;466(7310):1105-9. doi: 10.1038/nature09271. Epub 2010 Jul 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20622856" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Brain-Derived Neurotrophic Factor/metabolism ; CREB-Binding Protein/metabolism ; Electrical Synapses/genetics/pathology ; Gene Expression Regulation ; Gene Knockdown Techniques ; Long-Term Potentiation/genetics ; Male ; Memory/*physiology ; Memory Disorders/genetics/physiopathology ; Mice ; MicroRNAs/*genetics/*metabolism ; Neuronal Plasticity/*genetics ; Protein Binding ; Sequence Deletion ; Sirtuin 1/*genetics/*metabolism
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  • 145
    Publikationsdatum: 2010-07-14
    Beschreibung: While reversible histone modifications are linked to an ever-expanding range of biological functions, the demethylases for histone H4 lysine 20 and their potential regulatory roles remain unknown. Here we report that the PHD and Jumonji C (JmjC) domain-containing protein, PHF8, while using multiple substrates, including H3K9me1/2 and H3K27me2, also functions as an H4K20me1 demethylase. PHF8 is recruited to promoters by its PHD domain based on interaction with H3K4me2/3 and controls G1-S transition in conjunction with E2F1, HCF-1 (also known as HCFC1) and SET1A (also known as SETD1A), at least in part, by removing the repressive H4K20me1 mark from a subset of E2F1-regulated gene promoters. Phosphorylation-dependent PHF8 dismissal from chromatin in prophase is apparently required for the accumulation of H4K20me1 during early mitosis, which might represent a component of the condensin II loading process. Accordingly, the HEAT repeat clusters in two non-structural maintenance of chromosomes (SMC) condensin II subunits, N-CAPD3 and N-CAPG2 (also known as NCAPD3 and NCAPG2, respectively), are capable of recognizing H4K20me1, and ChIP-Seq analysis demonstrates a significant overlap of condensin II and H4K20me1 sites in mitotic HeLa cells. Thus, the identification and characterization of an H4K20me1 demethylase, PHF8, has revealed an intimate link between this enzyme and two distinct events in cell cycle progression.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059551/" 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/PMC3059551/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Wen -- Tanasa, Bogdan -- Tyurina, Oksana V -- Zhou, Tian Yuan -- Gassmann, Reto -- Liu, Wei Ting -- Ohgi, Kenneth A -- Benner, Chris -- Garcia-Bassets, Ivan -- Aggarwal, Aneel K -- Desai, Arshad -- Dorrestein, Pieter C -- Glass, Christopher K -- Rosenfeld, Michael G -- R01 CA097134/CA/NCI NIH HHS/ -- R01 CA097134-09/CA/NCI NIH HHS/ -- R01 DK018477/DK/NIDDK NIH HHS/ -- R01 DK018477-35/DK/NIDDK NIH HHS/ -- R01 DK039949/DK/NIDDK NIH HHS/ -- R01 DK039949-18/DK/NIDDK NIH HHS/ -- R01 HL065445/HL/NHLBI NIH HHS/ -- R01 NS034934/NS/NINDS NIH HHS/ -- R01 NS034934-21/NS/NINDS NIH HHS/ -- R37 DK039949/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Jul 22;466(7305):508-12. doi: 10.1038/nature09272. Epub 2010 Jul 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, School of Medicine, University of California at San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20622854" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphatases/chemistry/metabolism ; Cell Cycle/*physiology ; Cell Line ; Chromatin/metabolism ; Chromosomal Proteins, Non-Histone/chemistry/deficiency/genetics/*metabolism ; DNA-Binding Proteins/chemistry/metabolism ; HeLa Cells ; Histone Demethylases/chemistry/genetics/*metabolism ; Histone-Lysine N-Methyltransferase/metabolism ; Histones/chemistry/*metabolism ; Host Cell Factor C1/genetics/metabolism ; Humans ; Lysine/*metabolism ; Methylation ; Multiprotein Complexes/chemistry/metabolism ; Phosphorylation ; Promoter Regions, Genetic ; Protein Structure, Tertiary ; Transcription Factors/chemistry/deficiency/genetics/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 146
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-10-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Oct 28;467(7319):1136. doi: 10.1038/4671136a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20981104" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): DNA Copy Number Variations/*genetics ; Genome, Human/*genetics ; Genomics/*methods ; Humans ; Oligonucleotide Array Sequence Analysis ; Polymorphism, Single Nucleotide/genetics ; Reproducibility of Results
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  • 147
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-07-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bolon, Brad -- England -- Nature. 2010 Jul 1;466(7302):28. doi: 10.1038/466028d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20595991" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animal Experimentation/standards ; Animals ; Animals, Laboratory ; *Bias (Epidemiology) ; Clinical Trials as Topic ; Editorial Policies ; Female ; Humans ; Male ; *Models, Animal ; *Research Design ; *Sex Characteristics
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 148
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-07-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Padma, T V -- England -- Nature. 2010 Jul 15;466(7304):S16-7. doi: 10.1038/nature09242.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631698" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anti-HIV Agents/economics/supply & distribution/therapeutic use ; Cell Phones/utilization ; Charities/economics/organization & administration/statistics & numerical data ; *Developing Countries/economics/statistics & numerical data ; Duty to Recontact ; Financing, Government/economics/statistics & numerical data ; HIV Infections/economics/*epidemiology/prevention & control/*therapy ; Health Education/methods/utilization ; Humans ; Patents as Topic/legislation & jurisprudence/statistics & numerical data ; Randomized Controlled Trials as Topic ; Rural Health/statistics & numerical data ; Treatment Outcome ; Viral Load
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 149
    Publikationsdatum: 2010-04-30
    Beschreibung: The interferon-inducible dynamin-like myxovirus resistance protein 1 (MxA; also called MX1) GTPase is a key mediator of cell-autonomous innate immunity against pathogens such as influenza viruses. MxA partially localizes to COPI-positive membranes of the smooth endoplasmic reticulum-Golgi intermediate compartment. At the point of infection, it redistributes to sites of viral replication and promotes missorting of essential viral constituents. It has been proposed that the middle domain and the GTPase effector domain of dynamin-like GTPases constitute a stalk that mediates oligomerization and transmits conformational changes from the G domain to the target structure; however, the molecular architecture of this stalk has remained elusive. Here we report the crystal structure of the stalk of human MxA, which folds into a four-helical bundle. This structure tightly oligomerizes in the crystal in a criss-cross pattern involving three distinct interfaces and one loop. Mutations in each of these interaction sites interfere with native assembly, oligomerization, membrane binding and antiviral activity of MxA. On the basis of these results, we propose a structural model for dynamin oligomerization and stimulated GTP hydrolysis that is consistent with previous structural predictions and has functional implications for all members of the dynamin family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Song -- von der Malsburg, Alexander -- Paeschke, Susann -- Behlke, Joachim -- Haller, Otto -- Kochs, Georg -- Daumke, Oliver -- England -- Nature. 2010 May 27;465(7297):502-6. doi: 10.1038/nature08972. Epub 2010 Apr 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Delbruck-Centrum for Molecular Medicine, Crystallography, Robert-Rossle-Strasse 10, 13125 Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428112" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antiviral Agents/chemistry/metabolism/pharmacology ; Binding Sites ; Cell Line ; Crystallography, X-Ray ; Dynamins/*chemistry/metabolism ; GTP Phosphohydrolases/metabolism ; GTP-Binding Proteins/*chemistry/genetics/*metabolism/pharmacology ; Guanosine Triphosphate/metabolism ; Humans ; Hydrolysis ; Hydrophobic and Hydrophilic Interactions ; Influenza A Virus, H5N1 Subtype/drug effects/physiology ; Models, Molecular ; Myxovirus Resistance Proteins ; Protein Conformation ; *Protein Multimerization ; Virus Replication/drug effects
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  • 150
    Publikationsdatum: 2010-08-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beaudet, Arthur L -- England -- Nature. 2010 Aug 12;466(7308):816-7. doi: 10.1038/466816a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Human Genetics at Baylor College of Medicine, Houston, Texas 77030, USA. abeaudet@bcm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703287" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): European Union ; Genetic Counseling/legislation & jurisprudence/standards ; Genetic Predisposition to Disease/genetics ; Genetic Testing/*legislation & jurisprudence/*standards ; *Government Regulation ; Humans ; Sensitivity and Specificity ; United States ; United States Food and Drug Administration/legislation & jurisprudence
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 151
    Publikationsdatum: 2010-07-30
    Beschreibung: The post-translational methylation of alpha-amino groups was first discovered over 30 years ago on the bacterial ribosomal proteins L16 and L33 (refs 1, 2), but almost nothing is known about the function or enzymology of this modification. Several other bacterial and eukaryotic proteins have since been shown to be alpha-N-methylated. However, the Ran guanine nucleotide-exchange factor, RCC1, is the only protein for which any biological function of alpha-N-methylation has been identified. Methylation-defective mutants of RCC1 have reduced affinity for DNA and cause mitotic defects, but further characterization of this modification has been hindered by ignorance of the responsible methyltransferase. All fungal and animal N-terminally methylated proteins contain a unique N-terminal motif, Met-(Ala/Pro/Ser)-Pro-Lys, indicating that they may be targets of the same, unknown enzyme. The initiating Met is cleaved, and the exposed alpha-amino group is mono-, di- or trimethylated. Here we report the discovery of the first alpha-N-methyltransferase, which we named N-terminal RCC1 methyltransferase (NRMT). Substrate docking and mutational analysis of RCC1 defined the NRMT recognition sequence and enabled the identification of numerous new methylation targets, including SET (also known as TAF-I or PHAPII) and the retinoblastoma protein, RB. Knockdown of NRMT recapitulates the multi-spindle phenotype seen with methylation-defective RCC1 mutants, demonstrating the importance of alpha-N-methylation for normal bipolar spindle formation and chromosome segregation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2939154/" 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/PMC2939154/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tooley, Christine E Schaner -- Petkowski, Janusz J -- Muratore-Schroeder, Tara L -- Balsbaugh, Jeremy L -- Shabanowitz, Jeffrey -- Sabat, Michal -- Minor, Wladek -- Hunt, Donald F -- Macara, Ian G -- R01 GM050526/GM/NIGMS NIH HHS/ -- R01 GM050526-17/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Aug 26;466(7310):1125-8. doi: 10.1038/nature09343.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Center for Cell Signaling, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA. ces5g@virginia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20668449" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Cycle Proteins/*metabolism ; Cell Line ; Chromosome Segregation ; Gene Knockdown Techniques ; Guanine Nucleotide Exchange Factors/*metabolism ; HeLa Cells ; Histone Chaperones/metabolism ; Humans ; Methyltransferases/chemistry/genetics/*metabolism ; Models, Molecular ; Mutation/genetics ; Nuclear Proteins/*metabolism ; Protein Binding ; Protein Structure, Tertiary ; Retinoblastoma Protein/*metabolism ; Spindle Apparatus/metabolism ; Transcription Factors/metabolism
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  • 152
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-10-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Oct 28;467(7319):1026-7. doi: 10.1038/4671026a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20981067" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Americas ; Asia ; Europe ; Genetic Predisposition to Disease ; Genetics, Population ; *Genome, Human ; Genomics/economics/*statistics & numerical data/trends ; Humans ; Precision Medicine/trends ; Sequence Analysis, DNA/economics/*statistics & numerical data/trends ; Time Factors
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  • 153
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-11-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berns, Anton -- England -- Nature. 2010 Nov 25;468(7323):519-20. doi: 10.1038/468519a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107421" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Disease Models, Animal ; Humans ; Neoplasms/*therapy ; *Transcriptional Activation ; Tumor Suppressor Protein p53/*metabolism
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  • 154
    Publikationsdatum: 2010-08-20
    Beschreibung: The Na(+)/K(+)-ATPase pumps three sodium ions out of and two potassium ions into the cell for each ATP molecule that is split, thereby generating the chemical and electrical gradients across the plasma membrane that are essential in, for example, signalling, secondary transport and volume regulation in animal cells. Crystal structures of the potassium-bound form of the pump revealed an intimate docking of the alpha-subunit carboxy terminus at the transmembrane domain. Here we show that this element is a key regulator of a previously unrecognized ion pathway. Current models of P-type ATPases operate with a single ion conduit through the pump, but our data suggest an additional pathway in the Na(+)/K(+)-ATPase between the ion-binding sites and the cytoplasm. The C-terminal pathway allows a cytoplasmic proton to enter and stabilize site III when empty in the potassium-bound state, and when potassium is released the proton will also return to the cytoplasm, thus allowing an overall asymmetric stoichiometry of the transported ions. The C terminus controls the gate to the pathway. Its structure is crucial for pump function, as demonstrated by at least eight mutations in the region that cause severe neurological diseases. This novel model for ion transport by the Na(+)/K(+)-ATPase is established by electrophysiological studies of C-terminal mutations in familial hemiplegic migraine 2 (FHM2) and is further substantiated by molecular dynamics simulations. A similar ion regulation is likely to apply to the H(+)/K(+)-ATPase and the Ca(2+)-ATPase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Poulsen, Hanne -- Khandelia, Himanshu -- Morth, J Preben -- Bublitz, Maike -- Mouritsen, Ole G -- Egebjerg, Jan -- Nissen, Poul -- England -- Nature. 2010 Sep 2;467(7311):99-102. doi: 10.1038/nature09309. Epub 2010 Aug 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉PUMPKIN - Centre for Membrane Pumps in Cells and Disease, Danish National Research Foundation, Department of Molecular Biology, Aarhus University, DK-8000 Aarhus C, Denmark. hp@mb.au.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20720542" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Crystallography, X-Ray ; Humans ; *Ion Transport ; Migraine with Aura/genetics/*metabolism ; Models, Molecular ; Molecular Dynamics Simulation ; Oocytes/metabolism ; Potassium/metabolism ; Protons ; Sodium-Potassium-Exchanging ATPase/*chemistry/*metabolism ; Squalus acanthias/metabolism ; Sus scrofa/metabolism ; Xenopus
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  • 155
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-09-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Sep 2;467(7311):7. doi: 10.1038/467007a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20811412" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line ; Embryo Research/*economics/*legislation & jurisprudence ; *Embryonic Stem Cells ; Financing, Government/legislation & jurisprudence ; Humans ; National Institutes of Health (U.S.)/economics/*legislation & jurisprudence ; United States
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  • 156
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    Publikationsdatum: 2010-05-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 May 20;465(7296):267-8. doi: 10.1038/465267b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20485388" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acidosis, Lactic/drug therapy ; Animals ; Antineoplastic Agents/pharmacology/therapeutic use ; Clinical Trials as Topic/economics ; Dichloroacetic Acid/pharmacology/therapeutic use ; Drug Industry/*economics/methods/trends ; Humans ; Off-Label Use/*economics ; Patents as Topic/*legislation & jurisprudence ; Rats ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 157
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cyranoski, David -- England -- Nature. 2010 Aug 26;466(7310):1036-8. doi: 10.1038/4661036a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20739982" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Breeding ; Dogs ; Genome-Wide Association Study ; Humans ; Mental Disorders/drug therapy/*genetics ; Psychotropic Drugs/therapeutic use
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 158
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-10-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Penzias, Arno Allan -- England -- Nature. 2010 Oct 14;467(7317):S4. doi: 10.1038/467S4a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20944619" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Computing Methodologies ; Genomics ; *Nobel Prize ; Physics ; Politics ; Private Sector ; Public Opinion ; Public Policy ; Research/trends ; *Research Personnel
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  • 159
    Publikationsdatum: 2010-02-19
    Beschreibung: A powerful way to discover key genes with causal roles in oncogenesis is to identify genomic regions that undergo frequent alteration in human cancers. Here we present high-resolution analyses of somatic copy-number alterations (SCNAs) from 3,131 cancer specimens, belonging largely to 26 histological types. We identify 158 regions of focal SCNA that are altered at significant frequency across several cancer types, of which 122 cannot be explained by the presence of a known cancer target gene located within these regions. Several gene families are enriched among these regions of focal SCNA, including the BCL2 family of apoptosis regulators and the NF-kappaBeta pathway. We show that cancer cells containing amplifications surrounding the MCL1 and BCL2L1 anti-apoptotic genes depend on the expression of these genes for survival. Finally, we demonstrate that a large majority of SCNAs identified in individual cancer types are present in several cancer types.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2826709/" 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/PMC2826709/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beroukhim, Rameen -- Mermel, Craig H -- Porter, Dale -- Wei, Guo -- Raychaudhuri, Soumya -- Donovan, Jerry -- Barretina, Jordi -- Boehm, Jesse S -- Dobson, Jennifer -- Urashima, Mitsuyoshi -- Mc Henry, Kevin T -- Pinchback, Reid M -- Ligon, Azra H -- Cho, Yoon-Jae -- Haery, Leila -- Greulich, Heidi -- Reich, Michael -- Winckler, Wendy -- Lawrence, Michael S -- Weir, Barbara A -- Tanaka, Kumiko E -- Chiang, Derek Y -- Bass, Adam J -- Loo, Alice -- Hoffman, Carter -- Prensner, John -- Liefeld, Ted -- Gao, Qing -- Yecies, Derek -- Signoretti, Sabina -- Maher, Elizabeth -- Kaye, Frederic J -- Sasaki, Hidefumi -- Tepper, Joel E -- Fletcher, Jonathan A -- Tabernero, Josep -- Baselga, Jose -- Tsao, Ming-Sound -- Demichelis, Francesca -- Rubin, Mark A -- Janne, Pasi A -- Daly, Mark J -- Nucera, Carmelo -- Levine, Ross L -- Ebert, Benjamin L -- Gabriel, Stacey -- Rustgi, Anil K -- Antonescu, Cristina R -- Ladanyi, Marc -- Letai, Anthony -- Garraway, Levi A -- Loda, Massimo -- Beer, David G -- True, Lawrence D -- Okamoto, Aikou -- Pomeroy, Scott L -- Singer, Samuel -- Golub, Todd R -- Lander, Eric S -- Getz, Gad -- Sellers, William R -- Meyerson, Matthew -- K08 AR055688/AR/NIAMS NIH HHS/ -- K08 AR055688-03/AR/NIAMS NIH HHS/ -- K08 AR055688-04/AR/NIAMS NIH HHS/ -- K08 CA122833/CA/NCI NIH HHS/ -- K08 CA122833-01A1/CA/NCI NIH HHS/ -- K08 CA122833-02/CA/NCI NIH HHS/ -- K08 CA122833-03/CA/NCI NIH HHS/ -- K08 CA134931/CA/NCI NIH HHS/ -- K08CA122833/CA/NCI NIH HHS/ -- P01CA 098101/CA/NCI NIH HHS/ -- P01CA085859/CA/NCI NIH HHS/ -- P50CA90578/CA/NCI NIH HHS/ -- R01 CA109038/CA/NCI NIH HHS/ -- R01 GM074024/GM/NIGMS NIH HHS/ -- R01CA109038/CA/NCI NIH HHS/ -- R01CA109467/CA/NCI NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- U24 CA126546/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Feb 18;463(7283):899-905. doi: 10.1038/nature08822.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Program and Medical and Population Genetics Group, The Broad Institute of M.I.T. and Harvard, 7 Cambridge Center.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20164920" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Apoptosis/genetics ; Cell Line, Tumor ; Cell Survival/genetics ; DNA Copy Number Variations/*genetics ; Gene Amplification/genetics ; Gene Dosage/*genetics ; Genomics ; Humans ; Multigene Family/genetics ; Myeloid Cell Leukemia Sequence 1 Protein ; Neoplasms/classification/*genetics/pathology ; Proto-Oncogene Proteins c-bcl-2/genetics ; Signal Transduction ; bcl-X Protein/genetics
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  • 160
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katsnelson, Alla -- England -- Nature. 2010 Aug 19;466(7309):914-5. doi: 10.1038/466914a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20725014" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bone Remodeling ; Bone and Bones/*physiology ; Diabetes Mellitus/metabolism/therapy ; *Energy Metabolism ; Female ; Glucose/*metabolism ; Humans ; Insulin/metabolism/secretion ; Islets of Langerhans/secretion ; Leptin/deficiency/genetics/metabolism ; Mice ; Obesity/metabolism ; Osteocalcin/blood/deficiency/genetics/metabolism ; Osteoporosis/metabolism ; Receptor, Insulin/deficiency/genetics/metabolism
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  • 161
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-05-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 May 13;465(7295):135-6. doi: 10.1038/465135b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20463694" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Ecology ; *Global Warming ; Humans ; Research Personnel/*legislation & jurisprudence ; *State Government ; Universities/*legislation & jurisprudence ; Virginia
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  • 162
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldstein, David B -- Noor, Mohamed A F -- England -- Nature. 2010 Apr 15;464(7291):985-6. doi: 10.1038/464985a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393546" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Chromosome Mapping/*methods ; Drug Resistance, Fungal/drug effects/genetics ; Genetic Variation/*genetics ; Genomics/*methods ; Humans ; Multifactorial Inheritance/*genetics ; Saccharomyces cerevisiae/cytology/drug effects/*genetics ; Sample Size
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  • 163
    Publikationsdatum: 2010-05-21
    Beschreibung: The need to maintain the structural and functional integrity of an evolving protein severely restricts the repertoire of acceptable amino-acid substitutions. However, it is not known whether these restrictions impose a global limit on how far homologous protein sequences can diverge from each other. Here we explore the limits of protein evolution using sequence divergence data. We formulate a computational approach to study the rate of divergence of distant protein sequences and measure this rate for ancient proteins, those that were present in the last universal common ancestor. We show that ancient proteins are still diverging from each other, indicating an ongoing expansion of the protein sequence universe. The slow rate of this divergence is imposed by the sparseness of functional protein sequences in sequence space and the ruggedness of the protein fitness landscape: approximately 98 per cent of sites cannot accept an amino-acid substitution at any given moment but a vast majority of all sites may eventually be permitted to evolve when other, compensatory, changes occur. Thus, approximately 3.5 x 10(9) yr has not been enough to reach the limit of divergent evolution of proteins, and for most proteins the limit of sequence similarity imposed by common function may not exceed that of random sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Povolotskaya, Inna S -- Kondrashov, Fyodor A -- England -- Nature. 2010 Jun 17;465(7300):922-6. doi: 10.1038/nature09105. Epub 2010 May 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bioinformatics and Genomics Programme, Centre for Genomic Regulation, Calle Dr Aiguader 88, Barcelona Biomedical Research Park Building, 08003 Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20485343" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Amino Acid Substitution ; Amino Acids/chemistry ; *Evolution, Molecular ; *Genetic Variation ; Molecular Sequence Data ; Mutation ; Prokaryotic Cells ; Protein Structure, Secondary ; Proteins/*chemistry ; Selection, Genetic/genetics ; Sequence Analysis, Protein ; Sequence Homology, Amino Acid
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  • 164
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    Publikationsdatum: 2010-11-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2010 Nov 11;468(7321):148. doi: 10.1038/468148a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21068800" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Aging ; Alzheimer Disease/economics/epidemiology/genetics ; American Recovery and Reinvestment Act/economics ; Biomedical Research/*economics ; Financing, Government/economics/*statistics & numerical data ; Financing, Organized/economics/statistics & numerical data ; Humans ; National Institute on Aging (U.S.)/*economics ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 165
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-04-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Golub, Todd -- England -- Nature. 2010 Apr 1;464(7289):679. doi: 10.1038/464679a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Program at the Broad Institute, Cambridge, Massachusetts 02142, USA. golub@broadinstitute.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360719" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antineoplastic Agents/pharmacology/therapeutic use ; Benzamides ; Drug Discovery/methods/*trends ; Fusion Proteins, bcr-abl/antagonists & inhibitors/genetics/metabolism ; Genome, Human/*genetics ; Genomics/trends ; Humans ; Imatinib Mesylate ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy/enzymology/genetics ; Neoplasms/*drug therapy/*genetics ; Piperazines/pharmacology/therapeutic use ; Precision Medicine/trends ; Pyrimidines/pharmacology/therapeutic use
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  • 166
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-06-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katsnelson, Alla -- England -- Nature. 2010 Jun 3;465(7298):537. doi: 10.1038/465537a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20520682" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Culture Techniques/*methods/*standards ; Cell Line/*classification ; Cell Lineage ; *DNA Fingerprinting/methods/standards ; HeLa Cells ; Humans ; Organ Specificity ; Reproducibility of Results
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  • 167
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    Publikationsdatum: 2010-08-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keverne, Eric B -- England -- Nature. 2010 Aug 12;466(7308):823-4. doi: 10.1038/466823a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703293" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Alleles ; Animals ; Bias (Epidemiology) ; Brain/cytology/*metabolism ; Fathers ; Female ; Genomic Imprinting/*genetics ; Male ; Mice ; Models, Genetic ; Mothers ; X Chromosome/genetics
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  • 168
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-06
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simmons, Alison -- England -- Nature. 2010 Aug 5;466(7307):699-700. doi: 10.1038/466699a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20686558" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Autophagy/immunology ; Carrier Proteins/chemistry/*genetics/metabolism ; Crohn Disease/*etiology/genetics/microbiology/virology ; Disease Models, Animal ; Genetic Predisposition to Disease/*genetics ; Humans ; Inflammation/etiology/genetics/immunology/pathology ; *Metagenome ; Mice ; Nod2 Signaling Adaptor Protein/genetics/metabolism ; Norovirus/genetics/*pathogenicity/physiology ; Paneth Cells/metabolism/pathology
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  • 169
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    Publikationsdatum: 2010-05-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 May 6;465(7294):10. doi: 10.1038/465010a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20445584" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Decision Making ; Humans ; Policy Making ; *Public Opinion ; Technology Assessment, Biomedical/*organization & administration/*standards
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 170
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    Publikationsdatum: 2010-06-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cyranoski, David -- England -- Nature. 2010 Jun 24;465(7301):997. doi: 10.1038/465997a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577182" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Child ; Fatal Outcome ; Female ; *Hematopoietic Stem Cell Transplantation/adverse effects ; Humans ; Lupus Nephritis/*complications/*therapy ; Male ; Thailand
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 171
    Publikationsdatum: 2010-06-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Powell-Coffman, Jo Anne -- Coffman, Clark R -- R01 GM078424/GM/NIGMS NIH HHS/ -- R01 GM078424-04/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Jun 3;465(7298):554-5. doi: 10.1038/465554a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20520697" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Apoptosis/radiation effects ; Caenorhabditis elegans/cytology/enzymology/*metabolism ; Caenorhabditis elegans Proteins/antagonists & inhibitors/metabolism ; Cell Hypoxia/physiology ; DNA Damage ; Germ Cells/metabolism/pathology/radiation effects ; Humans ; Hypoxia-Inducible Factor 1/*metabolism ; Intramolecular Oxidoreductases/genetics/metabolism ; Melanoma/metabolism/pathology ; Monophenol Monooxygenase/deficiency/*metabolism/*secretion ; Sensory Receptor Cells/*enzymology/secretion ; Signal Transduction ; Tumor Suppressor Protein p53/*antagonists & inhibitors/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 172
    Publikationsdatum: 2010-01-15
    Beschreibung: All immune systems must distinguish self from non-self to repel invaders without inducing autoimmunity. Clustered, regularly interspaced, short palindromic repeat (CRISPR) loci protect bacteria and archaea from invasion by phage and plasmid DNA through a genetic interference pathway. CRISPR loci are present in approximately 40% and approximately 90% of sequenced bacterial and archaeal genomes, respectively, and evolve rapidly, acquiring new spacer sequences to adapt to highly dynamic viral populations. Immunity requires a sequence match between the invasive DNA and the spacers that lie between CRISPR repeats. Each cluster is genetically linked to a subset of the cas (CRISPR-associated) genes that collectively encode 〉40 families of proteins involved in adaptation and interference. CRISPR loci encode small CRISPR RNAs (crRNAs) that contain a full spacer flanked by partial repeat sequences. CrRNA spacers are thought to identify targets by direct Watson-Crick pairing with invasive 'protospacer' DNA, but how they avoid targeting the spacer DNA within the encoding CRISPR locus itself is unknown. Here we have defined the mechanism of CRISPR self/non-self discrimination. In Staphylococcus epidermidis, target/crRNA mismatches at specific positions outside of the spacer sequence license foreign DNA for interference, whereas extended pairing between crRNA and CRISPR DNA repeats prevents autoimmunity. Hence, this CRISPR system uses the base-pairing potential of crRNAs not only to specify a target, but also to spare the bacterial chromosome from interference. Differential complementarity outside of the spacer sequence is a built-in feature of all CRISPR systems, indicating that this mechanism is a broadly applicable solution to the self/non-self dilemma that confronts all immune pathways.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2813891/" 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/PMC2813891/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marraffini, Luciano A -- Sontheimer, Erik J -- R03 AI079722/AI/NIAID NIH HHS/ -- R03 AI079722-01A1/AI/NIAID NIH HHS/ -- England -- Nature. 2010 Jan 28;463(7280):568-71. doi: 10.1038/nature08703. Epub 2010 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Molecular Biology and Cell Biology, Northwestern University, 2205 Tech Drive, Evanston, Illinois 60208, USA. marraffini@northwestern.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20072129" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Proteins/genetics ; Base Pairing/genetics ; Base Sequence ; Conserved Sequence ; DNA, Intergenic/genetics ; Molecular Sequence Data ; Mutation/genetics ; RNA, Bacterial/*genetics/metabolism ; Repetitive Sequences, Nucleic Acid/*genetics/*immunology ; Staphylococcus epidermidis/*genetics/*immunology
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  • 173
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    Publikationsdatum: 2010-10-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bettencourt, Luis -- West, Geoffrey -- England -- Nature. 2010 Oct 21;467(7318):912-3. doi: 10.1038/467912a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Los Alamos National Laboratory.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962823" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cities/economics/epidemiology/*statistics & numerical data ; City Planning/trends ; Conservation of Natural Resources/trends ; Environmental Monitoring ; Epidemiological Monitoring ; Gross Domestic Product/statistics & numerical data ; Humans ; Policy Making ; Population Density ; Urban Population/statistics & numerical data ; *Urbanization/trends
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  • 174
    Publikationsdatum: 2010-11-05
    Beschreibung: Bacteria and Archaea have developed several defence strategies against foreign nucleic acids such as viral genomes and plasmids. Among them, clustered regularly interspaced short palindromic repeats (CRISPR) loci together with cas (CRISPR-associated) genes form the CRISPR/Cas immune system, which involves partially palindromic repeats separated by short stretches of DNA called spacers, acquired from extrachromosomal elements. It was recently demonstrated that these variable loci can incorporate spacers from infecting bacteriophages and then provide immunity against subsequent bacteriophage infections in a sequence-specific manner. Here we show that the Streptococcus thermophilus CRISPR1/Cas system can also naturally acquire spacers from a self-replicating plasmid containing an antibiotic-resistance gene, leading to plasmid loss. Acquired spacers that match antibiotic-resistance genes provide a novel means to naturally select bacteria that cannot uptake and disseminate such genes. We also provide in vivo evidence that the CRISPR1/Cas system specifically cleaves plasmid and bacteriophage double-stranded DNA within the proto-spacer, at specific sites. Our data show that the CRISPR/Cas immune system is remarkably adapted to cleave invading DNA rapidly and has the potential for exploitation to generate safer microbial strains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garneau, Josiane E -- Dupuis, Marie-Eve -- Villion, Manuela -- Romero, Dennis A -- Barrangou, Rodolphe -- Boyaval, Patrick -- Fremaux, Christophe -- Horvath, Philippe -- Magadan, Alfonso H -- Moineau, Sylvain -- Canadian Institutes of Health Research/Canada -- England -- Nature. 2010 Nov 4;468(7320):67-71. doi: 10.1038/nature09523.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departement de biochimie, de microbiologie et de bio-informatique, Faculte des sciences et de genie, Groupe de recherche en ecologie buccale, Faculte de medecine dentaire, Felix d'Herelle Reference Center for Bacterial Viruses, Universite Laval, Quebec City, Quebec G1V 0A6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21048762" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteriophages/*genetics/metabolism ; Base Sequence ; DNA, Intergenic/genetics/metabolism ; DNA, Viral/genetics/*metabolism ; Drug Resistance, Bacterial/genetics ; Genetic Loci/*genetics/*immunology ; Interspersed Repetitive Sequences/genetics ; Molecular Sequence Data ; Mutation ; Plasmids/genetics/*metabolism ; RNA, Bacterial/genetics/immunology ; Streptococcus thermophilus/genetics/*immunology/*virology
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  • 175
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    Publikationsdatum: 2010-04-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, Francis -- England -- Nature. 2010 Apr 1;464(7289):674-5. doi: 10.1038/464674a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institutes of Health, Bethesda, Maryland 20892, USA. francis.collins@nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360716" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Access to Information ; Genetic Predisposition to Disease/genetics ; Genetics, Medical/*trends ; Genome, Human/*genetics ; Genome-Wide Association Study ; Genomics/economics/history/*trends ; Haplotypes/genetics ; History, 20th Century ; History, 21st Century ; Humans ; Precision Medicine/*trends ; Sequence Analysis, DNA/economics/history/trends
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 176
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-09-17
    Beschreibung: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3175758/" 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/PMC3175758/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, Sean -- Meyer, Tobias -- R01 GM030179/GM/NIGMS NIH HHS/ -- R01 GM030179-24A1/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Sep 16;467(7313):283. doi: 10.1038/467283a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20844529" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Allergens/chemistry/*metabolism ; Animals ; Antigens, Plant ; Calcium/*metabolism ; *Calcium Signaling ; Calcium-Binding Proteins/chemistry/*metabolism ; Cation Transport Proteins ; Cytoplasm/metabolism ; EF Hand Motifs ; Endoplasmic Reticulum/metabolism ; Humans ; Mitochondria/*metabolism ; Mitochondrial Membrane Transport Proteins ; Mitochondrial Proteins/chemistry/*metabolism
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  • 177
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    Publikationsdatum: 2010-08-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Aug 19;466(7309):903. doi: 10.1038/466903b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20724995" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Disease Outbreaks ; Drug Industry ; Humans ; Influenza A Virus, H1N1 Subtype/pathogenicity ; Influenza Vaccines ; Influenza, Human/*epidemiology/virology ; Public Health/methods/*standards ; Public Health Administration/*standards ; World Health Organization/*organization & administration
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  • 178
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-08-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Rachel -- England -- Nature. 2010 Aug 26;466(7310):S11-2. doi: 10.1038/466S11a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20739930" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Biomarkers ; Brain/pathology ; *Early Diagnosis ; Ethics, Medical ; Humans ; Parkinson Disease/*diagnosis/pathology ; Risk Factors ; Time Factors
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  • 179
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-12-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garrity, Paul A -- England -- Nature. 2010 Dec 16;468(7326):900-1. doi: 10.1038/468900a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21164472" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animal Structures/cytology/metabolism/radiation effects ; Animals ; Avoidance Learning/physiology/radiation effects ; Caenorhabditis elegans/metabolism ; Caenorhabditis elegans Proteins/metabolism ; Dermis/metabolism/radiation effects ; Drosophila Proteins/metabolism ; Drosophila melanogaster/*anatomy & histology/cytology/physiology/*radiation ; effects ; Humans ; Larva/anatomy & histology/cytology/radiation effects ; *Light ; Light Signal Transduction/physiology/radiation effects ; Membrane Proteins/metabolism ; Photoreceptor Cells, Invertebrate/*metabolism/*radiation effects ; Receptors, Cell Surface/metabolism ; TRPC Cation Channels/metabolism
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  • 180
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-09-17
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Persons, Derek A -- England -- Nature. 2010 Sep 16;467(7313):277-8. doi: 10.1038/467277a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20844523" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Blood Cells/cytology/metabolism ; Blood Transfusion ; Clone Cells/metabolism ; *Genetic Therapy ; HMGA2 Protein/genetics/*metabolism ; Humans ; Male ; Time Factors ; Transcriptional Activation ; Young Adult ; beta-Globins/*genetics/*metabolism ; beta-Thalassemia/*genetics/metabolism/*therapy
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  • 181
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    Publikationsdatum: 2010-08-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Aug 12;466(7308):797. doi: 10.1038/466797a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703263" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Consumer Advocacy ; Genetic Testing/*legislation & jurisprudence/*standards ; Government Regulation ; Humans ; Marketing/standards ; Oligonucleotide Array Sequence Analysis ; Reproducibility of Results ; United States ; United States Food and Drug Administration/legislation & jurisprudence
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  • 182
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    Publikationsdatum: 2010-08-06
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shuldiner, Alan R -- Pollin, Toni I -- P30 DK079637/DK/NIDDK NIH HHS/ -- England -- Nature. 2010 Aug 5;466(7307):703-4. doi: 10.1038/466703a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20686562" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adaptor Proteins, Vesicular Transport/genetics/metabolism ; Animals ; Cholesterol/*blood ; Chromosomes, Human, Pair 1/genetics ; Continental Population Groups/genetics ; Coronary Artery Disease/blood/genetics ; *Genome-Wide Association Study ; Humans ; Lipid Metabolism/*genetics ; Liver/metabolism ; Meta-Analysis as Topic ; Mice ; Myocardial Infarction/blood/genetics ; N-Acetylgalactosaminyltransferases/genetics/metabolism ; Polymorphism, Single Nucleotide/*genetics ; Protein Phosphatase 1/genetics/metabolism ; Sample Size
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  • 183
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    Publikationsdatum: 2010-04-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Apr 29;464(7293):1245-6. doi: 10.1038/4641245b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428115" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomarkers, Tumor/analysis/metabolism ; Clinical Trials as Topic/*methods/standards/trends ; Europe ; Guidelines as Topic ; Humans ; Neoplasms/drug therapy/genetics ; Precision Medicine/methods/*trends ; United States ; United States Food and Drug Administration
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  • 184
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    Publikationsdatum: 2010-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borrell, Brendan -- England -- Nature. 2010 Apr 15;464(7291):971. doi: 10.1038/464971a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20393533" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Clinical Trials as Topic/ethics ; *Ethicists ; Ethics Committees/*organization & administration ; *Federal Government ; Humans ; Stem Cells ; United States
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  • 185
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    Publikationsdatum: 2010-02-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharya, Ananyo -- England -- Nature. 2010 Feb 4;463(7281):605-6. doi: 10.1038/463605a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20130626" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Child ; Crystallization ; Crystallography, X-Ray ; Diacylglycerol Kinase/chemistry ; Humans ; Magnetic Resonance Spectroscopy/*instrumentation/*methods ; Metabolomics/instrumentation/methods ; Models, Molecular ; Protein Conformation
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  • 186
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    Publikationsdatum: 2010-04-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borrell, Brendan -- England -- Nature. 2010 Apr 22;464(7292):1122-4. doi: 10.1038/4641122a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20414285" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Benzhydryl Compounds ; Chemical Industry/methods/standards ; Endocrine Disruptors/adverse effects/toxicity ; Estrogens, Non-Steroidal/adverse effects/toxicity ; Female ; Guidelines as Topic ; Humans ; Infant ; Male ; Mice ; National Institute of Environmental Health Sciences (U.S.) ; Neoplasms/chemically induced/etiology ; Phenols/adverse effects/*toxicity ; Rats ; Toxicity Tests/methods/standards ; Toxicology/economics/*methods/*standards ; United States ; United States Environmental Protection Agency ; Validation Studies as Topic
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  • 187
    Publikationsdatum: 2010-02-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Viola -- England -- Nature. 2010 Feb 4;463(7281):591. doi: 10.1038/463591e.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Swiss Federal Institute of Technology, Zurich.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20130615" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cicatrix/prevention & control ; Collagen/*metabolism ; *Disease Progression ; Extracellular Matrix/enzymology/metabolism ; Mammary Neoplasms, Experimental/*pathology ; Mice ; Prostheses and Implants ; Regenerative Medicine ; Signal Transduction
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  • 188
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    Publikationsdatum: 2010-06-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉von Braun, Joachim -- England -- Nature. 2010 Jun 3;465(7298):548-9. doi: 10.1038/465548a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Development Research, University of Bonn, D-53113 Bonn, Germany. jvonbraun@uni-bonn.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20520692" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Advisory Committees/*organization & administration ; Agriculture/economics/*organization & administration/*statistics & numerical data ; Food Supply/economics/*standards/*statistics & numerical data ; Humans ; International Cooperation ; Malnutrition/epidemiology ; Organizational Innovation
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  • 189
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    Publikationsdatum: 2010-02-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borrell, Brendan -- England -- Nature. 2010 Feb 18;463(7283):858. doi: 10.1038/463858a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20164888" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line, Tumor/*metabolism ; Genetics, Medical/*methods/*trends ; Genomics/*methods/*trends ; Humans ; Neoplasms/*genetics/*pathology ; Reproducibility of Results ; Sequence Analysis, DNA/trends
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  • 190
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    Publikationsdatum: 2010-04-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Priebe, Nicholas J -- Ferster, David -- England -- Nature. 2010 Apr 29;464(7293):1290-1. doi: 10.1038/4641290b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428159" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; Calcium Signaling ; Cats ; Dendrites/physiology ; Mice ; Models, Neurological ; Sensory Receptor Cells/cytology/*metabolism ; Synapses/*metabolism ; Visual Cortex/*cytology
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  • 191
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-06-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wadman, Meredith -- England -- Nature. 2010 Jun 17;465(7300):852. doi: 10.1038/465852a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20559353" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line ; Consent Forms/*ethics/standards ; *Embryonic Stem Cells ; Humans ; National Institutes of Health (U.S.)/*ethics/legislation & ; jurisprudence/standards ; United States
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 192
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-04-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Apr 22;464(7292):1103-4. doi: 10.1038/4641103b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20414265" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Benzhydryl Compounds ; Chemical Industry/*legislation & jurisprudence/*standards ; *Evaluation Studies as Topic ; *Federal Government ; Guidelines as Topic ; Humans ; Phenols/adverse effects/toxicity ; Reproducibility of Results ; Safety/*legislation & jurisprudence/*standards ; *Toxicity Tests/methods/standards ; United States
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 193
    Publikationsdatum: 2010-02-26
    Beschreibung: Despite the essential roles of sphingolipids both as structural components of membranes and critical signalling molecules, we have a limited understanding of how cells sense and regulate their levels. Here we reveal the function in sphingolipid metabolism of the ORM genes (known as ORMDL genes in humans)-a conserved gene family that includes ORMDL3, which has recently been identified as a potential risk factor for childhood asthma. Starting from an unbiased functional genomic approach in Saccharomyces cerevisiae, we identify Orm proteins as negative regulators of sphingolipid synthesis that form a conserved complex with serine palmitoyltransferase, the first and rate-limiting enzyme in sphingolipid production. We also define a regulatory pathway in which phosphorylation of Orm proteins relieves their inhibitory activity when sphingolipid production is disrupted. Changes in ORM gene expression or mutations to their phosphorylation sites cause dysregulation of sphingolipid metabolism. Our work identifies the Orm proteins as critical mediators of sphingolipid homeostasis and raises the possibility that sphingolipid misregulation contributes to the development of childhood asthma.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2877384/" 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/PMC2877384/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breslow, David K -- Collins, Sean R -- Bodenmiller, Bernd -- Aebersold, Ruedi -- Simons, Kai -- Shevchenko, Andrej -- Ejsing, Christer S -- Weissman, Jonathan S -- N01-HV-28179/HV/NHLBI NIH HHS/ -- P50 GM073210/GM/NIGMS NIH HHS/ -- P50 GM073210-06/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Feb 25;463(7284):1048-53. doi: 10.1038/nature08787.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, University of California, San Francisco, 1700 4th Street, San Francisco, California 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20182505" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Asthma/metabolism ; Cell Line ; Conserved Sequence ; Fatty Acids, Monounsaturated/pharmacology ; HeLa Cells ; *Homeostasis ; Humans ; Molecular Sequence Data ; *Multigene Family ; Multiprotein Complexes/chemistry/metabolism ; Phosphoric Monoester Hydrolases/genetics/metabolism ; Phosphorylation ; Protein Binding ; Saccharomyces cerevisiae/drug effects/enzymology/genetics/*metabolism ; Saccharomyces cerevisiae Proteins/classification/genetics/*metabolism ; Serine C-Palmitoyltransferase/genetics/metabolism ; Sphingolipids/biosynthesis/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 194
    Publikationsdatum: 2010-06-11
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Alison M -- Tingen, Candace M -- Woodruff, Teresa K -- England -- Nature. 2010 Jun 10;465(7299):688-9. doi: 10.1038/465688a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20535184" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bias (Epidemiology) ; Biomedical Research/methods/*trends ; Clinical Trials as Topic/methods/*trends ; Drug Dosage Calculations ; Female ; Genomic Imprinting ; Humans ; Male ; Precision Medicine/trends ; *Sex Characteristics ; Sex Distribution ; Sex Factors
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 195
    Publikationsdatum: 2010-06-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reidenberg, Joy -- England -- Nature. 2010 Jun 24;465(7301):1013. doi: 10.1038/4651013a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20577196" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Anatomy/education ; Anatomy, Comparative/education ; Animals ; Dissection ; Humans ; *Motion Pictures as Topic
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 196
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    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-12-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abbott, Alison -- England -- Nature. 2010 Dec 16;468(7326):879. doi: 10.1038/468879a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21164453" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cooperative Behavior ; Drug-Related Side Effects and Adverse Reactions ; Germany ; Hepatocytes/metabolism ; Humans ; Interdisciplinary Communication ; Liver/*physiology ; Models, Biological ; Pharmaceutical Preparations/metabolism ; Physics ; Research Personnel ; Systems Biology/economics/manpower/*trends
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 197
    Publikationsdatum: 2010-01-15
    Beschreibung: Immune homeostasis is dependent on tight control over the size of a population of regulatory T (T(reg)) cells capable of suppressing over-exuberant immune responses. The T(reg) cell subset is comprised of cells that commit to the T(reg) lineage by upregulating the transcription factor Foxp3 either in the thymus (tT(reg)) or in the periphery (iT(reg)). Considering a central role for Foxp3 in T(reg) cell differentiation and function, we proposed that conserved non-coding DNA sequence (CNS) elements at the Foxp3 locus encode information defining the size, composition and stability of the T(reg) cell population. Here we describe the function of three Foxp3 CNS elements (CNS1-3) in T(reg) cell fate determination in mice. The pioneer element CNS3, which acts to potently increase the frequency of T(reg) cells generated in the thymus and the periphery, binds c-Rel in in vitro assays. In contrast, CNS1, which contains a TGF-beta-NFAT response element, is superfluous for tT(reg) cell differentiation, but has a prominent role in iT(reg) cell generation in gut-associated lymphoid tissues. CNS2, although dispensable for Foxp3 induction, is required for Foxp3 expression in the progeny of dividing T(reg) cells. Foxp3 binds to CNS2 in a Cbf-beta-Runx1 and CpG DNA demethylation-dependent manner, suggesting that Foxp3 recruitment to this 'cellular memory module' facilitates the heritable maintenance of the active state of the Foxp3 locus and, therefore, T(reg) lineage stability. Together, our studies demonstrate that the composition, size and maintenance of the T(reg) cell population are controlled by Foxp3 CNS elements engaged in response to distinct cell-extrinsic or -intrinsic cues.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884187/" 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/PMC2884187/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, Ye -- Josefowicz, Steven -- Chaudhry, Ashutosh -- Peng, Xiao P -- Forbush, Katherine -- Rudensky, Alexander Y -- R37 AI034206/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Feb 11;463(7282):808-12. doi: 10.1038/nature08750. Epub 2010 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Immunology, University of Washington, Seattle, Washington 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20072126" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Differentiation ; Cell Lineage/*genetics ; Chromatin Assembly and Disassembly ; Conserved Sequence/*genetics ; CpG Islands/genetics ; DNA Methylation ; Female ; Forkhead Transcription Factors/*genetics/metabolism ; Gene Expression Regulation ; Lymphocyte Count ; Male ; Mice ; Mice, Inbred C57BL ; Proto-Oncogene Proteins c-rel/metabolism ; Regulatory Sequences, Nucleic Acid/*genetics ; Response Elements/genetics ; T-Lymphocytes, Regulatory/*cytology/immunology/*metabolism ; Thymus Gland/cytology/immunology/metabolism
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 198
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-03-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, Virginia -- England -- Nature. 2010 Mar 18;464(7287):340-2. doi: 10.1038/464340a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20237536" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Antisocial Personality Disorder/physiopathology/psychology ; Child ; Female ; Forensic Sciences/ethics/*methods/trends ; Homicide/*legislation & jurisprudence/*psychology ; Humans ; Insanity Defense ; Magnetic Resonance Imaging/standards/*utilization ; Male ; *Neurosciences ; Positron-Emission Tomography/utilization ; Rape/legislation & jurisprudence/psychology ; Reproducibility of Results
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 199
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    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-04-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jamieson, Allan -- England -- Nature. 2010 Apr 29;464(7293):1266. doi: 10.1038/4641266b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20428139" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Forensic Sciences/organization & administration/*standards ; Great Britain ; Humans
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 200
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2010-10-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Oct 21;467(7318):899. doi: 10.1038/467899a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20962818" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cities/epidemiology/*statistics & numerical data ; Conservation of Natural Resources/methods/*trends ; Global Warming/prevention & control ; Humans ; Research/*trends ; Research Design ; Research Personnel/supply & distribution ; Urban Population/*statistics & numerical data/*trends ; Urbanization/*trends
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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