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  • Humans  (21)
  • Mice  (19)
  • Superfluidity and superconductivity  (5)
  • 2010-2014  (35)
  • 1980-1984
  • 1
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    Atomic and electronic structures of single-layer FeSe on SrTiO_{3}(001): The role of oxygen deficiency (2013)
    American Physical Society (APS)
    Details
    Publikationsdatum: 2013-06-07
    Beschreibung: Author(s): Junhyeok Bang, Zhi Li, Y. Y. Sun, Amit Samanta, Y. Y. Zhang, Wenhao Zhang, Lili Wang, X. Chen, Xucun Ma, Q.-K. Xue, and S. B. Zhang Using first-principles calculation, we propose an interface structure for single triple-layer FeSe on the SrTiO 3 (001) surface, a high- T c superconductor found recently. The key component of this structure is the oxygen deficiency on the top layer of the SrTiO 3 substrate, as a result of Se etching use... [Phys. Rev. B 87, 220503] Published Thu Jun 06, 2013
    Schlagwort(e): Superfluidity and superconductivity
    Print ISSN: 1098-0121
    Digitale ISSN: 1095-3795
    Thema: Physik
    Publiziert von American Physical Society (APS)
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  • 2
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    Dendritic organization of sensory input to cortical neurons in vivo (2010)
    Nature Publishing Group (NPG)
    Details
    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
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
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  • 3
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    Regulation of cellular metabolism by protein lysine acetylation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2010-02-20
    Beschreibung: Protein lysine acetylation has emerged as a key posttranslational modification in cellular regulation, in particular through the modification of histones and nuclear transcription regulators. We show that lysine acetylation is a prevalent modification in enzymes that catalyze intermediate metabolism. Virtually every enzyme in glycolysis, gluconeogenesis, the tricarboxylic acid (TCA) cycle, the urea cycle, fatty acid metabolism, and glycogen metabolism was found to be acetylated in human liver tissue. The concentration of metabolic fuels, such as glucose, amino acids, and fatty acids, influenced the acetylation status of metabolic enzymes. Acetylation activated enoyl-coenzyme A hydratase/3-hydroxyacyl-coenzyme A dehydrogenase in fatty acid oxidation and malate dehydrogenase in the TCA cycle, inhibited argininosuccinate lyase in the urea cycle, and destabilized phosphoenolpyruvate carboxykinase in gluconeogenesis. Our study reveals that acetylation plays a major role in metabolic regulation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3232675/" 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/PMC3232675/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Shimin -- Xu, Wei -- Jiang, Wenqing -- Yu, Wei -- Lin, Yan -- Zhang, Tengfei -- Yao, Jun -- Zhou, Li -- Zeng, Yaxue -- Li, Hong -- Li, Yixue -- Shi, Jiong -- An, Wenlin -- Hancock, Susan M -- He, Fuchu -- Qin, Lunxiu -- Chin, Jason -- Yang, Pengyuan -- Chen, Xian -- Lei, Qunying -- Xiong, Yue -- Guan, Kun-Liang -- MC_U105181009/Medical Research Council/United Kingdom -- MC_UP_A024_1008/Medical Research Council/United Kingdom -- R01 CA065572/CA/NCI NIH HHS/ -- R01 CA065572-13/CA/NCI NIH HHS/ -- R01 CA065572-14/CA/NCI NIH HHS/ -- R01 CA065572-15/CA/NCI NIH HHS/ -- R01CA108941/CA/NCI NIH HHS/ -- R01CA65572/CA/NCI NIH HHS/ -- R01GM51586/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2010 Feb 19;327(5968):1000-4. doi: 10.1126/science.1179689.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Life Sciences, Fudan University, Shanghai 20032, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20167786" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): 3-Hydroxyacyl CoA Dehydrogenases/metabolism ; Acetylation ; Argininosuccinate Lyase/genetics/metabolism ; Cell Line ; Citric Acid Cycle ; Enoyl-CoA Hydratase/metabolism ; Enzymes/*metabolism ; Fatty Acids/metabolism ; Gluconeogenesis ; Glycogen/metabolism ; Glycolysis ; Hepatocytes/enzymology/*metabolism ; Humans ; Intracellular Signaling Peptides and Proteins/metabolism ; Isomerases/metabolism ; Liver/enzymology/*metabolism ; Lysine/*metabolism ; Malate Dehydrogenase/metabolism ; Multienzyme Complexes/metabolism ; Oxidation-Reduction ; Peroxisomal Bifunctional Enzyme ; Phosphoenolpyruvate Carboxykinase (GTP)/metabolism ; *Protein Processing, Post-Translational ; Proteins/*metabolism ; Proteome ; Urea/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 4
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    Partitioning of histone H3-H4 tetramers during DNA replication-dependent chromatin assembly (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2010-04-03
    Beschreibung: Semiconservative DNA replication ensures the faithful duplication of genetic information during cell divisions. However, how epigenetic information carried by histone modifications propagates through mitotic divisions remains elusive. To address this question, the DNA replication-dependent nucleosome partition pattern must be clarified. Here, we report significant amounts of H3.3-H4 tetramers split in vivo, whereas most H3.1-H4 tetramers remained intact. Inhibiting DNA replication-dependent deposition greatly reduced the level of splitting events, which suggests that (i) the replication-independent H3.3 deposition pathway proceeds largely by cooperatively incorporating two new H3.3-H4 dimers and (ii) the majority of splitting events occurred during replication-dependent deposition. Our results support the idea that "silent" histone modifications within large heterochromatic regions are maintained by copying modifications from neighboring preexisting histones without the need for H3-H4 splitting events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, Mo -- Long, Chengzu -- Chen, Xiuzhen -- Huang, Chang -- Chen, She -- Zhu, Bing -- New York, N.Y. -- Science. 2010 Apr 2;328(5974):94-8. doi: 10.1126/science.1178994.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate Program, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, People's Republic of China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360108" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Aphidicolin/pharmacology ; Cell Cycle ; Chromatin/metabolism ; *Chromatin Assembly and Disassembly ; *DNA Replication ; Epigenesis, Genetic ; HeLa Cells ; Heterochromatin/metabolism ; Histones/*chemistry/*metabolism ; Humans ; Hydroxyurea/pharmacology ; Mass Spectrometry ; Molecular Sequence Data ; Nucleosomes/*metabolism ; Protein Multimerization ; S Phase ; Transfection
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 5
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    A gustotopic map of taste qualities in the mammalian brain (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2011-09-03
    Beschreibung: The taste system is one of our fundamental senses, responsible for detecting and responding to sweet, bitter, umami, salty, and sour stimuli. In the tongue, the five basic tastes are mediated by separate classes of taste receptor cells each finely tuned to a single taste quality. We explored the logic of taste coding in the brain by examining how sweet, bitter, umami, and salty qualities are represented in the primary taste cortex of mice. We used in vivo two-photon calcium imaging to demonstrate topographic segregation in the functional architecture of the gustatory cortex. Each taste quality is represented in its own separate cortical field, revealing the existence of a gustotopic map in the brain. These results expose the basic logic for the central representation of taste.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3523322/" 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/PMC3523322/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Xiaoke -- Gabitto, Mariano -- Peng, Yueqing -- Ryba, Nicholas J P -- Zuker, Charles S -- Z01 DE000561-15/Intramural NIH HHS/ -- Z01 DE000561-16/Intramural NIH HHS/ -- ZIA DE000561-17/Intramural NIH HHS/ -- ZIA DE000561-18/Intramural NIH HHS/ -- ZIA DE000561-19/Intramural NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1262-6. doi: 10.1126/science.1204076.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biochemistry and Molecular Biophysics, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885776" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Afferent Pathways ; Animals ; *Brain Mapping ; Cerebral Cortex/cytology/*physiology ; Cycloheximide ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Molecular Imaging ; Neurons/*physiology ; Sodium Chloride ; Sodium Glutamate ; Sweetening Agents ; Taste/*physiology ; Taste Buds/physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 6
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    Focused evolution of HIV-1 neutralizing antibodies revealed by structures and deep sequencing (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2011-08-13
    Beschreibung: Antibody VRC01 is a human immunoglobulin that neutralizes about 90% of HIV-1 isolates. To understand how such broadly neutralizing antibodies develop, we used x-ray crystallography and 454 pyrosequencing to characterize additional VRC01-like antibodies from HIV-1-infected individuals. Crystal structures revealed a convergent mode of binding for diverse antibodies to the same CD4-binding-site epitope. A functional genomics analysis of expressed heavy and light chains revealed common pathways of antibody-heavy chain maturation, confined to the IGHV1-2*02 lineage, involving dozens of somatic changes, and capable of pairing with different light chains. Broadly neutralizing HIV-1 immunity associated with VRC01-like antibodies thus involves the evolution of antibodies to a highly affinity-matured state required to recognize an invariant viral structure, with lineages defined from thousands of sequences providing a genetic roadmap of their development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3516815/" 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/PMC3516815/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Xueling -- Zhou, Tongqing -- Zhu, Jiang -- Zhang, Baoshan -- Georgiev, Ivelin -- Wang, Charlene -- Chen, Xuejun -- Longo, Nancy S -- Louder, Mark -- McKee, Krisha -- O'Dell, Sijy -- Perfetto, Stephen -- Schmidt, Stephen D -- Shi, Wei -- Wu, Lan -- Yang, Yongping -- Yang, Zhi-Yong -- Yang, Zhongjia -- Zhang, Zhenhai -- Bonsignori, Mattia -- Crump, John A -- Kapiga, Saidi H -- Sam, Noel E -- Haynes, Barton F -- Simek, Melissa -- Burton, Dennis R -- Koff, Wayne C -- Doria-Rose, Nicole A -- Connors, Mark -- NISC Comparative Sequencing Program -- Mullikin, James C -- Nabel, Gary J -- Roederer, Mario -- Shapiro, Lawrence -- Kwong, Peter D -- Mascola, John R -- 5U19 AI 067854-06/AI/NIAID NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- U19 AI067854/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2011 Sep 16;333(6049):1593-602. doi: 10.1126/science.1207532. Epub 2011 Aug 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21835983" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): AIDS Vaccines ; Amino Acid Sequence ; Antibodies, Neutralizing/*chemistry/genetics/*immunology/isolation & purification ; Antibody Affinity ; Antibody Specificity ; Antigens, CD4/metabolism ; Base Sequence ; Binding Sites ; Binding Sites, Antibody ; Complementarity Determining Regions/genetics ; Crystallography, X-Ray ; Epitopes ; *Evolution, Molecular ; Genes, Immunoglobulin Heavy Chain ; HIV Antibodies/*chemistry/genetics/*immunology/isolation & purification ; HIV Envelope Protein gp120/chemistry/*immunology/metabolism ; HIV Infections/immunology ; HIV-1/chemistry/*immunology ; High-Throughput Nucleotide Sequencing ; Humans ; Immunoglobulin Fab Fragments/chemistry/immunology ; Immunoglobulin Heavy Chains/chemistry/immunology ; Immunoglobulin J-Chains/genetics ; Immunoglobulin Light Chains/chemistry/immunology ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Sequence Analysis, DNA
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 7
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    Good grades for dual education (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-07-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Xi -- Wang, Qiang -- New York, N.Y. -- Science. 2013 Jun 28;340(6140):1523-4. doi: 10.1126/science.340.6140.1523-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23812701" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; France ; Germany ; Humans ; Models, Educational ; Unemployment/*trends ; Vocational Education/economics/*trends ; Young Adult
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 8
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    Infectivity, transmission, and pathology of human-isolated H7N9 influenza virus in ferrets and pigs (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2013-05-25
    Beschreibung: The emergence of the H7N9 influenza virus in humans in Eastern China has raised concerns that a new influenza pandemic could occur. Here, we used a ferret model to evaluate the infectivity and transmissibility of A/Shanghai/2/2013 (SH2), a human H7N9 virus isolate. This virus replicated in the upper and lower respiratory tracts of the ferrets and was shed at high titers for 6 to 7 days, with ferrets showing relatively mild clinical signs. SH2 was efficiently transmitted between ferrets via direct contact, but less efficiently by airborne exposure. Pigs were productively infected by SH2 and shed virus for 6 days but were unable to transmit the virus to naive pigs or ferrets. Under appropriate conditions, human-to-human transmission of the H7N9 virus may be possible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhu, H -- Wang, D -- Kelvin, D J -- Li, L -- Zheng, Z -- Yoon, S-W -- Wong, S-S -- Farooqui, A -- Wang, J -- Banner, D -- Chen, R -- Zheng, R -- Zhou, J -- Zhang, Y -- Hong, W -- Dong, W -- Cai, Q -- Roehrl, M H A -- Huang, S S H -- Kelvin, A A -- Yao, T -- Zhou, B -- Chen, X -- Leung, G M -- Poon, L L M -- Webster, R G -- Webby, R J -- Peiris, J S M -- Guan, Y -- Shu, Y -- HSN266200700005C/PHS HHS/ -- New York, N.Y. -- Science. 2013 Jul 12;341(6142):183-6. doi: 10.1126/science.1239844. Epub 2013 May 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Influenza Research Centre [Shantou University Medical College/University of Hong Kong], Shantou University, Shantou, PR China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23704376" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Communicable Diseases, Emerging/*transmission/*virology ; Disease Models, Animal ; Ferrets ; Humans ; Influenza, Human/pathology/*transmission/*virology ; Orthomyxoviridae/classification/genetics/*pathogenicity ; Respiratory System/pathology/virology ; Sus scrofa
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 9
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    Cyclic GMP-AMP synthase is a cytosolic DNA sensor that activates the type I interferon pathway (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2012-12-22
    Beschreibung: The presence of DNA in the cytoplasm of mammalian cells is a danger signal that triggers host immune responses such as the production of type I interferons. Cytosolic DNA induces interferons through the production of cyclic guanosine monophosphate-adenosine monophosphate (cyclic GMP-AMP, or cGAMP), which binds to and activates the adaptor protein STING. Through biochemical fractionation and quantitative mass spectrometry, we identified a cGAMP synthase (cGAS), which belongs to the nucleotidyltransferase family. Overexpression of cGAS activated the transcription factor IRF3 and induced interferon-beta in a STING-dependent manner. Knockdown of cGAS inhibited IRF3 activation and interferon-beta induction by DNA transfection or DNA virus infection. cGAS bound to DNA in the cytoplasm and catalyzed cGAMP synthesis. These results indicate that cGAS is a cytosolic DNA sensor that induces interferons by producing the second messenger cGAMP.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3863629/" 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/PMC3863629/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Lijun -- Wu, Jiaxi -- Du, Fenghe -- Chen, Xiang -- Chen, Zhijian J -- AI-093967/AI/NIAID NIH HHS/ -- R01 AI093967/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Feb 15;339(6121):786-91. doi: 10.1126/science.1232458. Epub 2012 Dec 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23258413" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Animals ; Cell Line, Tumor ; Cyclic AMP/biosynthesis ; Cyclic GMP/biosynthesis ; Cytidine Triphosphate/metabolism ; Cytosol/enzymology/*immunology ; DNA/*immunology/metabolism ; Gene Knockdown Techniques ; HEK293 Cells ; Humans ; Interferon Type I/*biosynthesis ; Interferon-beta/*biosynthesis ; Metabolic Networks and Pathways ; Mice ; Molecular Sequence Data ; Nucleotidyltransferases/genetics/isolation & purification/*metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 10
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    Latent TGF-beta structure and activation (2011)
    Nature Publishing Group (NPG)
    Details
    Publikationsdatum: 2011-06-17
    Beschreibung: Transforming growth factor (TGF)-beta is stored in the extracellular matrix as a latent complex with its prodomain. Activation of TGF-beta1 requires the binding of alpha(v) integrin to an RGD sequence in the prodomain and exertion of force on this domain, which is held in the extracellular matrix by latent TGF-beta binding proteins. Crystals of dimeric porcine proTGF-beta1 reveal a ring-shaped complex, a novel fold for the prodomain, and show how the prodomain shields the growth factor from recognition by receptors and alters its conformation. Complex formation between alpha(v)beta(6) integrin and the prodomain is insufficient for TGF-beta1 release. Force-dependent activation requires unfastening of a 'straitjacket' that encircles each growth-factor monomer at a position that can be locked by a disulphide bond. Sequences of all 33 TGF-beta family members indicate a similar prodomain fold. The structure provides insights into the regulation of a family of growth and differentiation factors of fundamental importance in morphogenesis and homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4717672/" 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/PMC4717672/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shi, Minlong -- Zhu, Jianghai -- Wang, Rui -- Chen, Xing -- Mi, Lizhi -- Walz, Thomas -- Springer, Timothy A -- P01 HL103526/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2011 Jun 15;474(7351):343-9. doi: 10.1038/nature10152.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immune Disease Institute, Children's Hospital Boston and Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21677751" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Activins/metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Antigens, Neoplasm/chemistry/metabolism ; Camurati-Engelmann Syndrome/genetics ; Cell Line ; Crystallography, X-Ray ; HEK293 Cells ; Humans ; Integrins/chemistry/metabolism ; Latent TGF-beta Binding Proteins/chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Multigene Family ; Mutation/genetics ; Oligopeptides/chemistry/metabolism ; Protein Structure, Tertiary ; Receptors, Transforming Growth Factor beta/chemistry/metabolism ; Swine ; Transforming Growth Factor beta1/biosynthesis/*chemistry/genetics/*metabolism
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von Nature Publishing Group (NPG)
    Standort Signatur Erwartet Verfügbarkeit
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