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  • Animals  (49)
  • Chemistry  (28)
  • Life Sciences (General)  (14)
  • 2010-2014  (37)
  • 1995-1999  (54)
  • 11
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    Antigen-specific B-cell receptor sensitizes B cells to infection by influenza virus (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-10-22
    Description: Influenza A virus-specific B lymphocytes and the antibodies they produce protect against infection. However, the outcome of interactions between an influenza haemagglutinin-specific B cell via its receptor (BCR) and virus is unclear. Through somatic cell nuclear transfer we generated mice that harbour B cells with a BCR specific for the haemagglutinin of influenza A/WSN/33 virus (FluBI mice). Their B cells secrete an immunoglobulin gamma 2b that neutralizes infectious virus. Whereas B cells from FluBI and control mice bind equivalent amounts of virus through interaction of haemagglutinin with surface-disposed sialic acids, the A/WSN/33 virus infects only the haemagglutinin-specific B cells. Mere binding of virus is not sufficient for infection of B cells: this requires interactions of the BCR with haemagglutinin, causing both disruption of antibody secretion and FluBI B-cell death within 18 h. In mice infected with A/WSN/33, lung-resident FluBI B cells are infected by the virus, thus delaying the onset of protective antibody release into the lungs, whereas FluBI cells in the draining lymph node are not infected and proliferate. We propose that influenza targets and kills influenza-specific B cells in the lung, thus allowing the virus to gain purchase before the initiation of an effective adaptive response.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3863936/" 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/PMC3863936/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dougan, Stephanie K -- Ashour, Joseph -- Karssemeijer, Roos A -- Popp, Maximilian W -- Avalos, Ana M -- Barisa, Marta -- Altenburg, Arwen F -- Ingram, Jessica R -- Cragnolini, Juan Jose -- Guo, Chunguang -- Alt, Frederick W -- Jaenisch, Rudolf -- Ploegh, Hidde L -- DP1 GM106409/GM/NIGMS NIH HHS/ -- R01 AI033456/AI/NIAID NIH HHS/ -- R01 AI087879/AI/NIAID NIH HHS/ -- R01 GM100518/GM/NIGMS NIH HHS/ -- R01 HD045022/HD/NICHD NIH HHS/ -- R37 HD045022/HD/NICHD NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Nov 21;503(7476):406-9. doi: 10.1038/nature12637. Epub 2013 Oct 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, Massachusetts 02142, USA [2].〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24141948" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/immunology/metabolism ; Antibody Specificity/immunology ; B-Lymphocytes/*immunology/pathology/secretion/*virology ; Cell Death ; Female ; Hemagglutinin Glycoproteins, Influenza Virus/immunology/metabolism ; Immunoglobulin G/immunology/metabolism ; Lung/cytology/immunology/secretion/virology ; Lymph Nodes/cytology/immunology ; Male ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Neutralization Tests ; Nuclear Transfer Techniques ; Orthomyxoviridae/pathogenicity/*physiology ; Receptors, Antigen, B-Cell/*immunology/metabolism ; Virus Replication
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 12
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    Rescuing cocaine-induced prefrontal cortex hypoactivity prevents compulsive cocaine seeking (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-04-05
    Description: Loss of control over harmful drug seeking is one of the most intractable aspects of addiction, as human substance abusers continue to pursue drugs despite incurring significant negative consequences. Human studies have suggested that deficits in prefrontal cortical function and consequential loss of inhibitory control could be crucial in promoting compulsive drug use. However, it remains unknown whether chronic drug use compromises cortical activity and, equally important, whether this deficit promotes compulsive cocaine seeking. Here we use a rat model of compulsive drug seeking in which cocaine seeking persists in a subgroup of rats despite delivery of noxious foot shocks. We show that prolonged cocaine self-administration decreases ex vivo intrinsic excitability of deep-layer pyramidal neurons in the prelimbic cortex, which was significantly more pronounced in compulsive drug-seeking animals. Furthermore, compensating for hypoactive prelimbic cortex neurons with in vivo optogenetic prelimbic cortex stimulation significantly prevented compulsive cocaine seeking, whereas optogenetic prelimbic cortex inhibition significantly increased compulsive cocaine seeking. Our results show a marked reduction in prelimbic cortex excitability in compulsive cocaine-seeking rats, and that in vivo optogenetic prelimbic cortex stimulation decreased compulsive drug-seeking behaviours. Thus, targeted stimulation of the prefrontal cortex could serve as a promising therapy for treating compulsive drug use.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Billy T -- Yau, Hau-Jie -- Hatch, Christina -- Kusumoto-Yoshida, Ikue -- Cho, Saemi L -- Hopf, F Woodward -- Bonci, Antonello -- England -- Nature. 2013 Apr 18;496(7445):359-62. doi: 10.1038/nature12024. Epub 2013 Apr 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Intramural Research Program, National Institute on Drug Abuse, Baltimore, Maryland 21224, USA. billy.chen@nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23552889" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Addictive/chemically induced/*physiopathology/therapy ; Cocaine/administration & dosage/*pharmacology ; Electroshock ; Limbic System/cytology/drug effects/physiology/physiopathology ; Male ; Optogenetics ; Photic Stimulation ; Prefrontal Cortex/drug effects/pathology/*physiology/*physiopathology ; Pyramidal Cells/cytology/drug effects/metabolism ; Rats ; Rats, Wistar ; Rhodopsin/metabolism ; Self Administration ; Stimulation, Chemical
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 13
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    Genetic variegation of clonal architecture and propagating cells in leukaemia (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-12-17
    Description: Little is known of the genetic architecture of cancer at the subclonal and single-cell level or in the cells responsible for cancer clone maintenance and propagation. Here we have examined this issue in childhood acute lymphoblastic leukaemia in which the ETV6-RUNX1 gene fusion is an early or initiating genetic lesion followed by a modest number of recurrent or 'driver' copy number alterations. By multiplexing fluorescence in situ hybridization probes for these mutations, up to eight genetic abnormalities can be detected in single cells, a genetic signature of subclones identified and a composite picture of subclonal architecture and putative ancestral trees assembled. Subclones in acute lymphoblastic leukaemia have variegated genetics and complex, nonlinear or branching evolutionary histories. Copy number alterations are independently and reiteratively acquired in subclones of individual patients, and in no preferential order. Clonal architecture is dynamic and is subject to change in the lead-up to a diagnosis and in relapse. Leukaemia propagating cells, assayed by serial transplantation in NOD/SCID IL2Rgamma(null) mice, are also genetically variegated, mirroring subclonal patterns, and vary in competitive regenerative capacity in vivo. These data have implications for cancer genomics and for the targeted therapy of cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Kristina -- Lutz, Christoph -- van Delft, Frederik W -- Bateman, Caroline M -- Guo, Yanping -- Colman, Susan M -- Kempski, Helena -- Moorman, Anthony V -- Titley, Ian -- Swansbury, John -- Kearney, Lyndal -- Enver, Tariq -- Greaves, Mel -- MC_U137973817/Medical Research Council/United Kingdom -- England -- Nature. 2011 Jan 20;469(7330):356-61. doi: 10.1038/nature09650. Epub 2010 Dec 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Haemato-Oncology, The Institute of Cancer Research, Sutton SM2 5NG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21160474" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Clone Cells/metabolism/*pathology ; Core Binding Factor Alpha 2 Subunit ; DNA Copy Number Variations/genetics ; DNA Mutational Analysis ; Disease Progression ; Genetic Variation/*genetics ; Genotype ; Humans ; Immunophenotyping ; In Situ Hybridization, Fluorescence ; Interleukin Receptor Common gamma Subunit/deficiency/genetics ; Mice ; Mice, Inbred NOD ; Mice, SCID ; Neoplasm Transplantation ; Oncogene Proteins, Fusion/genetics ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/*genetics/*pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 14
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    The evolution of gene expression levels in mammalian organs (2011)
    Nature Publishing Group (NPG)
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    Publication Date: 2011-10-21
    Description: Changes in gene expression are thought to underlie many of the phenotypic differences between species. However, large-scale analyses of gene expression evolution were until recently prevented by technological limitations. Here we report the sequencing of polyadenylated RNA from six organs across ten species that represent all major mammalian lineages (placentals, marsupials and monotremes) and birds (the evolutionary outgroup), with the goal of understanding the dynamics of mammalian transcriptome evolution. We show that the rate of gene expression evolution varies among organs, lineages and chromosomes, owing to differences in selective pressures: transcriptome change was slow in nervous tissues and rapid in testes, slower in rodents than in apes and monotremes, and rapid for the X chromosome right after its formation. Although gene expression evolution in mammals was strongly shaped by purifying selection, we identify numerous potentially selectively driven expression switches, which occurred at different rates across lineages and tissues and which probably contributed to the specific organ biology of various mammals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brawand, David -- Soumillon, Magali -- Necsulea, Anamaria -- Julien, Philippe -- Csardi, Gabor -- Harrigan, Patrick -- Weier, Manuela -- Liechti, Angelica -- Aximu-Petri, Ayinuer -- Kircher, Martin -- Albert, Frank W -- Zeller, Ulrich -- Khaitovich, Philipp -- Grutzner, Frank -- Bergmann, Sven -- Nielsen, Rasmus -- Paabo, Svante -- Kaessmann, Henrik -- England -- Nature. 2011 Oct 19;478(7369):343-8. doi: 10.1038/nature10532.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Integrative Genomics, University of Lausanne, 1015 Lausanne, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22012392" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Evolution, Molecular ; *Gene Expression Profiling ; Humans ; Phylogeny ; Principal Component Analysis ; RNA, Messenger/*genetics ; X Chromosome/genetics
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 15
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    The NAD-dependent deacetylase SIRT2 is required for programmed necrosis (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-04
    Description: Although initially viewed as unregulated, increasing evidence suggests that cellular necrosis often proceeds through a specific molecular program. In particular, death ligands such as tumour necrosis factor (TNF)-alpha activate necrosis by stimulating the formation of a complex containing receptor-interacting protein 1 (RIP1) and receptor-interacting protein 3 (RIP3). Relatively little is known regarding how this complex formation is regulated. Here, we show that the NAD-dependent deacetylase SIRT2 binds constitutively to RIP3 and that deletion or knockdown of SIRT2 prevents formation of the RIP1-RIP3 complex in mice. Furthermore, genetic or pharmacological inhibition of SIRT2 blocks cellular necrosis induced by TNF-alpha. We further demonstrate that RIP1 is a critical target of SIRT2-dependent deacetylation. Using gain- and loss-of-function mutants, we demonstrate that acetylation of RIP1 lysine 530 modulates RIP1-RIP3 complex formation and TNF-alpha-stimulated necrosis. In the setting of ischaemia-reperfusion injury, RIP1 is deacetylated in a SIRT2-dependent fashion. Furthermore, the hearts of Sirt2(-/-) mice, or wild-type mice treated with a specific pharmacological inhibitor of SIRT2, show marked protection from ischaemic injury. Taken together, these results implicate SIRT2 as an important regulator of programmed necrosis and indicate that inhibitors of this deacetylase may constitute a novel approach to protect against necrotic injuries, including ischaemic stroke and myocardial infarction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Narayan, Nisha -- Lee, In Hye -- Borenstein, Ronen -- Sun, Junhui -- Wong, Renee -- Tong, Guang -- Fergusson, Maria M -- Liu, Jie -- Rovira, Ilsa I -- Cheng, Hwei-Ling -- Wang, Guanghui -- Gucek, Marjan -- Lombard, David -- Alt, Fredrick W -- Sack, Michael N -- Murphy, Elizabeth -- Cao, Liu -- Finkel, Toren -- Intramural NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Dec 13;492(7428):199-204. doi: 10.1038/nature11700. Epub 2012 Nov 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Medicine, National Heart, Lung and Blood Institute, NIH, Bethesda, Maryland 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23201684" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Cell Line ; Female ; HEK293 Cells ; HeLa Cells ; Humans ; Jurkat Cells ; Male ; Mice ; Necrosis/*enzymology ; Nuclear Pore Complex Proteins/metabolism ; Protein Binding ; Receptor-Interacting Protein Serine-Threonine Kinases/metabolism ; Sirtuin 2/*genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 16
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    Seventy-five genetic loci influencing the human red blood cell (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-12
    Description: Anaemia is a chief determinant of global ill health, contributing to cognitive impairment, growth retardation and impaired physical capacity. To understand further the genetic factors influencing red blood cells, we carried out a genome-wide association study of haemoglobin concentration and related parameters in up to 135,367 individuals. Here we identify 75 independent genetic loci associated with one or more red blood cell phenotypes at P 〈 10(-8), which together explain 4-9% of the phenotypic variance per trait. Using expression quantitative trait loci and bioinformatic strategies, we identify 121 candidate genes enriched in functions relevant to red blood cell biology. The candidate genes are expressed preferentially in red blood cell precursors, and 43 have haematopoietic phenotypes in Mus musculus or Drosophila melanogaster. Through open-chromatin and coding-variant analyses we identify potential causal genetic variants at 41 loci. Our findings provide extensive new insights into genetic mechanisms and biological pathways controlling red blood cell formation and function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3623669/" 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/PMC3623669/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van der Harst, Pim -- Zhang, Weihua -- Mateo Leach, Irene -- Rendon, Augusto -- Verweij, Niek -- Sehmi, Joban -- Paul, Dirk S -- Elling, Ulrich -- Allayee, Hooman -- Li, Xinzhong -- Radhakrishnan, Aparna -- Tan, Sian-Tsung -- Voss, Katrin -- Weichenberger, Christian X -- Albers, Cornelis A -- Al-Hussani, Abtehale -- Asselbergs, Folkert W -- Ciullo, Marina -- Danjou, Fabrice -- Dina, Christian -- Esko, Tonu -- Evans, David M -- Franke, Lude -- Gogele, Martin -- Hartiala, Jaana -- Hersch, Micha -- Holm, Hilma -- Hottenga, Jouke-Jan -- Kanoni, Stavroula -- Kleber, Marcus E -- Lagou, Vasiliki -- Langenberg, Claudia -- Lopez, Lorna M -- Lyytikainen, Leo-Pekka -- Melander, Olle -- Murgia, Federico -- Nolte, Ilja M -- O'Reilly, Paul F -- Padmanabhan, Sandosh -- Parsa, Afshin -- Pirastu, Nicola -- Porcu, Eleonora -- Portas, Laura -- Prokopenko, Inga -- Ried, Janina S -- Shin, So-Youn -- Tang, Clara S -- Teumer, Alexander -- Traglia, Michela -- Ulivi, Sheila -- Westra, Harm-Jan -- Yang, Jian -- Zhao, Jing Hua -- Anni, Franco -- Abdellaoui, Abdel -- Attwood, Antony -- Balkau, Beverley -- Bandinelli, Stefania -- Bastardot, Francois -- Benyamin, Beben -- Boehm, Bernhard O -- Cookson, William O -- Das, Debashish -- de Bakker, Paul I W -- de Boer, Rudolf A -- de Geus, Eco J C -- de Moor, Marleen H -- Dimitriou, Maria -- Domingues, Francisco S -- Doring, Angela -- Engstrom, Gunnar -- Eyjolfsson, Gudmundur Ingi -- Ferrucci, Luigi -- Fischer, Krista -- Galanello, Renzo -- Garner, Stephen F -- Genser, Bernd -- Gibson, Quince D -- Girotto, Giorgia -- Gudbjartsson, Daniel Fannar -- Harris, Sarah E -- Hartikainen, Anna-Liisa -- Hastie, Claire E -- Hedblad, Bo -- Illig, Thomas -- Jolley, Jennifer -- Kahonen, Mika -- Kema, Ido P -- Kemp, John P -- Liang, Liming -- Lloyd-Jones, Heather -- Loos, Ruth J F -- Meacham, Stuart -- Medland, Sarah E -- Meisinger, Christa -- Memari, Yasin -- Mihailov, Evelin -- Miller, Kathy -- Moffatt, Miriam F -- Nauck, Matthias -- Novatchkova, Maria -- Nutile, Teresa -- Olafsson, Isleifur -- Onundarson, Pall T -- Parracciani, Debora -- Penninx, Brenda W -- Perseu, Lucia -- Piga, Antonio -- Pistis, Giorgio -- Pouta, Anneli -- Puc, Ursula -- Raitakari, Olli -- Ring, Susan M -- Robino, Antonietta -- Ruggiero, Daniela -- Ruokonen, Aimo -- Saint-Pierre, Aude -- Sala, Cinzia -- Salumets, Andres -- Sambrook, Jennifer -- Schepers, Hein -- Schmidt, Carsten Oliver -- Sillje, Herman H W -- Sladek, Rob -- Smit, Johannes H -- Starr, John M -- Stephens, Jonathan -- Sulem, Patrick -- Tanaka, Toshiko -- Thorsteinsdottir, Unnur -- Tragante, Vinicius -- van Gilst, Wiek H -- van Pelt, L Joost -- van Veldhuisen, Dirk J -- Volker, Uwe -- Whitfield, John B -- Willemsen, Gonneke -- Winkelmann, Bernhard R -- Wirnsberger, Gerald -- Algra, Ale -- Cucca, Francesco -- d'Adamo, Adamo Pio -- Danesh, John -- Deary, Ian J -- Dominiczak, Anna F -- Elliott, Paul -- Fortina, Paolo -- Froguel, Philippe -- Gasparini, Paolo -- Greinacher, Andreas -- Hazen, Stanley L -- Jarvelin, Marjo-Riitta -- Khaw, Kay Tee -- Lehtimaki, Terho -- Maerz, Winfried -- Martin, Nicholas G -- Metspalu, Andres -- Mitchell, Braxton D -- Montgomery, Grant W -- Moore, Carmel -- Navis, Gerjan -- Pirastu, Mario -- Pramstaller, Peter P -- Ramirez-Solis, Ramiro -- Schadt, Eric -- Scott, James -- Shuldiner, Alan R -- Smith, George Davey -- Smith, J Gustav -- Snieder, Harold -- Sorice, Rossella -- Spector, Tim D -- Stefansson, Kari -- Stumvoll, Michael -- Tang, W H Wilson -- Toniolo, Daniela -- Tonjes, Anke -- Visscher, Peter M -- Vollenweider, Peter -- Wareham, Nicholas J -- Wolffenbuttel, Bruce H R -- Boomsma, Dorret I -- Beckmann, Jacques S -- Dedoussis, George V -- Deloukas, Panos -- Ferreira, Manuel A -- Sanna, Serena -- Uda, Manuela -- Hicks, Andrew A -- Penninger, Josef Martin -- Gieger, Christian -- Kooner, Jaspal S -- Ouwehand, Willem H -- Soranzo, Nicole -- Chambers, John C -- 092731/Wellcome Trust/United Kingdom -- 097117/Wellcome Trust/United Kingdom -- 14136/Cancer Research UK/United Kingdom -- CZB/4/505/Chief Scientist Office/United Kingdom -- ETM/55/Chief Scientist Office/United Kingdom -- G0600705/Medical Research Council/United Kingdom -- G0700704/Medical Research Council/United Kingdom -- G0801056/Medical Research Council/United Kingdom -- G1000143/Medical Research Council/United Kingdom -- G1002084/Medical Research Council/United Kingdom -- G9815508/Medical Research Council/United Kingdom -- HHSN268201100005C/HL/NHLBI NIH HHS/ -- HHSN268201100006C/HL/NHLBI NIH HHS/ -- HHSN268201100007C/HL/NHLBI NIH HHS/ -- HHSN268201100008C/HL/NHLBI NIH HHS/ -- HHSN268201100009C/HL/NHLBI NIH HHS/ -- HHSN268201100010C/HL/NHLBI NIH HHS/ -- HHSN268201100011C/HL/NHLBI NIH HHS/ -- HHSN268201100012C/HL/NHLBI NIH HHS/ -- HHSN271201100005C/DA/NIDA NIH HHS/ -- K12 RR023250/RR/NCRR NIH HHS/ -- MC_U106179471/Medical Research Council/United Kingdom -- MC_U106188470/Medical Research Council/United Kingdom -- N01AG12109/AG/NIA NIH HHS/ -- P01 HL076491/HL/NHLBI NIH HHS/ -- P01 HL098055/HL/NHLBI NIH HHS/ -- P20 HL113452/HL/NHLBI NIH HHS/ -- P30 DK072488/DK/NIDDK NIH HHS/ -- R01 AG018728/AG/NIA NIH HHS/ -- R01 CA165001/CA/NCI NIH HHS/ -- R01 GM053275/GM/NIGMS NIH HHS/ -- R01 HD042157/HD/NICHD NIH HHS/ -- R01 HL059367/HL/NHLBI NIH HHS/ -- R01 HL086694/HL/NHLBI NIH HHS/ -- R01 HL087641/HL/NHLBI NIH HHS/ -- R01 HL087679/HL/NHLBI NIH HHS/ -- R01 HL088119/HL/NHLBI NIH HHS/ -- R01 HL103866/HL/NHLBI NIH HHS/ -- R01 HL103931/HL/NHLBI NIH HHS/ -- R01 LM010098/LM/NLM NIH HHS/ -- R01 MH081802/MH/NIMH NIH HHS/ -- RG/09/012/28096/British Heart Foundation/United Kingdom -- RL1 MH083268/MH/NIMH NIH HHS/ -- U01 GM074518/GM/NIGMS NIH HHS/ -- U01 HG004402/HG/NHGRI NIH HHS/ -- U01 HL072515/HL/NHLBI NIH HHS/ -- U01 HL084756/HL/NHLBI NIH HHS/ -- U24 MH068457/MH/NIMH NIH HHS/ -- U54 RR020278/RR/NCRR NIH HHS/ -- UL1 RR025005/RR/NCRR NIH HHS/ -- UL1 TR000439/TR/NCATS NIH HHS/ -- England -- Nature. 2012 Dec 20;492(7429):369-75. doi: 10.1038/nature11677. Epub 2012 Dec 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cardiology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands. p.van.der.harst@umcg.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23222517" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle/genetics ; Cytokines/metabolism ; Drosophila melanogaster/genetics ; Erythrocytes/cytology/*metabolism ; Female ; Gene Expression Regulation/genetics ; *Genetic Loci ; *Genome-Wide Association Study ; Hematopoiesis/genetics ; Hemoglobins/genetics ; Humans ; Male ; Mice ; Organ Specificity ; *Phenotype ; Polymorphism, Single Nucleotide/genetics ; RNA Interference ; Signal Transduction/genetics
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 17
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    Ecology: Genetic engineering in conservation (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-10-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedrick, Philip W -- Allendorf, Fred W -- Waples, Robin S -- England -- Nature. 2013 Oct 17;502(7471):303. doi: 10.1038/502303b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24132282" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological/*genetics ; Animals ; *Biodiversity ; Conservation of Natural Resources/*methods ; *Extinction, Biological ; Genetic Engineering/*methods
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 18
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    Attomole protein characterization by capillary electrophoresis-mass spectrometry (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-08-30
    Description: Electrospray ionization with an ultralow flow rate (〈/=4 nanoliters per minute) was used to directly couple capillary electrophoresis with tandem mass spectrometry for the analysis and identification of biomolecules in mixtures. A Fourier transform mass spectrometer provided full spectra (〉30 kilodaltons) at a resolving power of approximately 60,000 for injections of 0.7 x 10(-18) to 3 x 10(-18) mole of 8- to 29-kilodalton proteins with errors of 〈1 dalton in molecular mass. Using a crude isolate from human blood, a value of 28,780.6 daltons (calculated, 28,780.4 daltons) was measured for carbonic anhydrase, representing 1 percent by weight of the protein in a single red blood cell. Dissociation of molecular ions from 9 x 10(-18) mole of carbonic anhydrase gave nine sequence-specific fragment ions, more data than required for unique retrieval of this enzyme from the protein database.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Valaskovic, G A -- Kelleher, N L -- McLafferty, F W -- 08-T2GM07273/GM/NIGMS NIH HHS/ -- GM16609/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1996 Aug 30;273(5279):1199-202.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Baker Laboratory, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8703047" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbonic Anhydrases/*analysis/chemistry ; Cattle ; Cytochrome c Group/analysis/chemistry ; Electrophoresis, Capillary/*methods ; Horses ; Humans ; Mass Spectrometry/*methods ; Molecular Weight ; Proteins/*analysis/chemistry ; Sensitivity and Specificity ; Spectroscopy, Fourier Transform Infrared ; Ubiquitins/analysis/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 19
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    Synaptic efficacy enhanced by glial cells in vitro (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-09-12
    Description: In the developing nervous system, glial cells guide axons to their target areas, but it is unknown whether they help neurons to establish functional synaptic connections. The role of glial cells in synapse formation and function was studied in cultures of purified neurons from the rat central nervous system. In glia-free cultures, retinal ganglion cells formed synapses with normal ultrastructure but displayed little spontaneous synaptic activity and high failure rates in evoked synaptic transmission. In cocultures with neuroglia, the frequency and amplitude of spontaneous postsynaptic currents were potentiated by 70-fold and 5-fold, respectively, and fewer transmission failures occurred. Glial cells increased the action potential-independent quantal release by 12-fold without affecting neuronal survival. Thus, developing neurons in culture form inefficient synapses that require glial signals to become fully functional.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pfrieger, F W -- Barres, B A -- New York, N.Y. -- Science. 1997 Sep 12;277(5332):1684-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Stanford University, School of Medicine, Sherman Fairchild Science Building, 299 Campus Drive, Stanford, CA 94305-5125, USA. fpfrieg@mdc-berlin.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9287225" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Astrocytes/physiology ; Cell Survival ; Cells, Cultured ; Coculture Techniques ; Microglia/physiology ; Neuroglia/*physiology ; Oligodendroglia/physiology ; Rats ; Rats, Sprague-Dawley ; Retinal Ganglion Cells/cytology/*physiology/ultrastructure ; Synapses/*physiology/ultrastructure ; *Synaptic Transmission
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 20
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    Blocked Ras activation in anergic CD4+ T cells (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-03-01
    Description: T cell anergy is a state of functional unresponsiveness characterized by the inability to produce interleukin-2 (IL-2) upon T cell receptor stimulation. The mitogen-activated protein kinases ERK-1 and ERK-2 and the guanosine triphosphate-binding protein p21ras were found to remain unactivated upon stimulation of anergic murine T helper cell 1 clones. The inability to activate the Ras pathway did not result from a defect in association among Shc, Grb-2, and murine Son of Sevenless, nor from a defect in their tyrosine phosphorylation. This block in Ras activation may lead to defective transactivation at activator protein 1 sites in anergic cells and may enable T cells to shut down IL-2 production selectively during anergy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fields, P E -- Gajewski, T F -- Fitch, F W -- New York, N.Y. -- Science. 1996 Mar 1;271(5253):1276-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ben May Institute, Department of Pathology, University of Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8638108" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Animals ; Antigens, CD4/immunology ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; *Clonal Anergy ; Clone Cells ; GRB2 Adaptor Protein ; Guanine Nucleotide Exchange Factors ; Guanosine Triphosphate/metabolism ; Interleukin-2/biosynthesis ; Ionomycin/pharmacology ; Lymphocyte Activation ; Mice ; Mitogen-Activated Protein Kinase 1 ; Mitogen-Activated Protein Kinase 3 ; *Mitogen-Activated Protein Kinases ; Protein-Tyrosine Kinases/metabolism ; Proteins/metabolism ; Proto-Oncogene Proteins p21(ras)/*metabolism ; Receptors, Antigen, T-Cell/immunology ; *Signal Transduction ; Tetradecanoylphorbol Acetate/pharmacology ; Th1 Cells/*immunology/metabolism ; ras Guanine Nucleotide Exchange Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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