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  • Humans  (60)
  • Binding Sites  (29)
  • Air Transportation and Safety  (23)
  • Meteorology and Climatology  (22)
  • 1
    Publication Date: 2001-11-27
    Description: Adhesions between fibroblastic cells and extracellular matrix have been studied extensively in vitro, but little is known about their in vivo counterparts. Here, we characterized the composition and function of adhesions in three-dimensional (3D) matrices derived from tissues or cell culture. "3D-matrix adhesions" differ from focal and fibrillar adhesions characterized on 2D substrates in their content of alpha5beta1 and alphavbeta3 integrins, paxillin, other cytoskeletal components, and tyrosine phosphorylation of focal adhesion kinase (FAK). Relative to 2D substrates, 3D-matrix interactions also display enhanced cell biological activities and narrowed integrin usage. These distinctive in vivo 3D-matrix adhesions differ in structure, localization, and function from classically described in vitro adhesions, and as such they may be more biologically relevant to living organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cukierman, E -- Pankov, R -- Stevens, D R -- Yamada, K M -- New York, N.Y. -- Science. 2001 Nov 23;294(5547):1708-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Craniofacial Developmental Biology and Regeneration Branch, National Institute of Dental and Craniofacial Research, 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/11721053" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; *Cell Adhesion/drug effects ; Cell Culture Techniques/methods ; Cell Division ; Cell Movement ; Cell Size ; Cells, Cultured ; Culture Techniques/methods ; Cycloheximide/pharmacology ; Cytoskeletal Proteins/metabolism ; Extracellular Matrix/chemistry/metabolism ; Fibroblasts/chemistry/*cytology/*metabolism ; Fibronectins/metabolism ; Fluorescent Antibody Technique, Indirect ; Focal Adhesion Kinase 1 ; Focal Adhesion Protein-Tyrosine Kinases ; Focal Adhesions/chemistry/metabolism ; Glutaral/metabolism ; Humans ; Imaging, Three-Dimensional/*methods ; Integrins/metabolism ; Mice ; Mitogen-Activated Protein Kinases/metabolism ; Molecular Conformation ; Phosphorylation ; Protein-Tyrosine Kinases/metabolism ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2001-10-06
    Description: A worldwide initiative in structural genomics aims to capitalize on the recent successes of the genome projects. Substantial new investments in structural genomics in the past 2 years indicate the high level of support for these international efforts. Already, enormous progress has been made on high-throughput methodologies and technologies that will speed up macromolecular structure determinations. Recent international meetings have resulted in the formation of an International Structural Genomics Organization to formulate policy and foster cooperation between the public and private efforts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevens, R C -- Yokoyama, S -- Wilson, I A -- P50 GM62411/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2001 Oct 5;294(5540):89-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Center for Structural Genomics, Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11588249" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Computational Biology ; Congresses as Topic ; Costs and Cost Analysis ; Crystallography, X-Ray ; Databases, Factual ; *Genomics ; Guidelines as Topic ; Humans ; Information Management ; Information Services ; International Cooperation ; Internet ; Nuclear Magnetic Resonance, Biomolecular ; Patents as Topic ; Private Sector ; *Protein Conformation ; Protein Folding ; Proteins/*chemistry ; *Proteome ; Public Sector ; Publishing ; Technology Transfer
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2000-10-13
    Description: The forte of catalytic antibodies has resided in the control of the ground-state reaction coordinate. A principle and method are now described in which antibodies can direct the outcome of photophysical and photochemical events that take place on excited-state potential energy surfaces. The key component is a chemically reactive optical sensor that provides a direct report of the dynamic interplay between protein and ligand at the active site. To illustrate the concept, we used a trans-stilbene hapten to elicit a panel of monoclonal antibodies that displayed a range of fluorescent spectral behavior when bound to a trans-stilbene substrate. Several antibodies yielded a blue fluorescence indicative of an excited-state complex or "exciplex" between trans-stilbene and the antibody. The antibodies controlled the isomerization coordinate of trans-stilbene and dynamically coupled this manifold with an active-site residue. A step was taken toward the use of antibody-based photochemical sensors for diagnostic and clinical applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simeonov, A -- Matsushita, M -- Juban, E A -- Thompson, E H -- Hoffman, T Z -- Beuscher, A E 4th -- Taylor, M J -- Wirsching, P -- Rettig, W -- McCusker, J K -- Stevens, R C -- Millar, D P -- Schultz, P G -- Lerner, R A -- Janda, K D -- AI39089/AI/NIAID NIH HHS/ -- GM43858/GM/NIGMS NIH HHS/ -- P01CA27489/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2000 Oct 13;290(5490):307-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, The Scripps Research Institute and the Skaggs Institute for Chemical Biology, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11030644" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Catalytic/*chemistry ; Antibodies, Monoclonal/*chemistry ; Binding Sites ; Binding Sites, Antibody ; Chemistry, Physical ; Crystallography, X-Ray ; *Fluorescence ; Haptens ; Ligands ; Microscopy, Fluorescence ; Models, Chemical ; Models, Molecular ; Photochemistry ; Physicochemical Phenomena ; Spectrometry, Fluorescence ; Stereoisomerism ; Stilbenes/*chemistry/*immunology ; Temperature ; Ultraviolet Rays
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2002-12-03
    Description: Cellular communication in the nervous system is mediated by chemical messengers that include amino acids, monoamines, peptide hormones, and lipids. An interesting question is how neurons regulate signals that are transmitted by membrane-embedded lipids. Here, we report the 2.8 angstrom crystal structure of the integral membrane protein fatty acid amide hydrolase (FAAH), an enzyme that degrades members of the endocannabinoid class of signaling lipids and terminates their activity. The structure of FAAH complexed with an arachidonyl inhibitor reveals how a set of discrete structural alterations allows this enzyme, in contrast to soluble hydrolases of the same family, to integrate into cell membranes and establish direct access to the bilayer from its active site.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bracey, Michael H -- Hanson, Michael A -- Masuda, Kim R -- Stevens, Raymond C -- Cravatt, Benjamin F -- R01 DA013173/DA/NIDA NIH HHS/ -- R01 DA013173-02/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 2002 Nov 29;298(5599):1793-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Skaggs Institute for Chemical Biology, Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12459591" target="_blank"〉PubMed〈/a〉
    Keywords: Amidohydrolases/antagonists & inhibitors/*chemistry/metabolism ; Animals ; Arachidonic Acids/metabolism ; *Bacterial Proteins ; Binding Sites ; Cannabinoid Receptor Modulators ; Catalysis ; Catalytic Domain ; Cell Membrane/*enzymology ; Crystallography, X-Ray ; Dimerization ; Endocannabinoids ; Helix-Turn-Helix Motifs ; Lipid Bilayers ; Models, Molecular ; Organophosphonates/metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Quaternary ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Rats ; Recombinant Proteins/chemistry/metabolism ; Signal Transduction ; Solubility
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 1997-06-13
    Description: The crystal structures of a germline antibody Fab fragment and its complex with hapten have been solved at 2.1 A resolution. These structures are compared with the corresponding crystal structures of the affinity-matured antibody, 48G7, which has a 30,000 times higher affinity for hapten as a result of nine replacement somatic mutations. Significant changes in the configuration of the combining site occur upon binding of hapten to the germline antibody, whereas hapten binds to the mature antibody by a lock-and-key fit mechanism. The reorganization of the combining site that was nucleated by hapten binding is further optimized by somatic mutations that occur up to 15 from bound hapten. These results suggest that the binding potential of the primary antibody repertoire may be significantly expanded by the ability of germline antibodies to adopt more than one combining-site configuration, with both antigen binding and somatic mutation stabilizing the configuration with optimal hapten complementarity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wedemayer, G J -- Patten, P A -- Wang, L H -- Schultz, P G -- Stevens, R C -- R01 AI39089/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1997 Jun 13;276(5319):1665-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9180069" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Catalytic/*chemistry/genetics/immunology ; Antibody Affinity ; Antibody Diversity ; Antigen-Antibody Complex ; Antigen-Antibody Reactions ; Binding Sites ; *Binding Sites, Antibody ; Crystallography, X-Ray ; *Evolution, Molecular ; Haptens/immunology ; Hydrogen Bonding ; Immunoglobulin Fab Fragments/*chemistry/genetics/immunology ; Molecular Sequence Data ; Mutation ; Protein Conformation ; Protein Structure, Secondary
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1998-06-11
    Description: The subunit stoichiometry of several ligand-gated ion channel receptors is still unknown. A counting method was developed to determine the number of subunits in one family of brain glutamate receptors. Successful application of this method in an HEK cell line provides evidence that ionotropic glutamate receptors share a tetrameric structure with the voltage-gated potassium channels. The average conductance of these channels depends on how many subunits are occupied by an agonist.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenmund, C -- Stern-Bach, Y -- Stevens, C F -- NS 12961/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1596-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Workgroup Cellular Neurobiology, Max-Planck-Institute for Biophysical Chemistry, Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616121" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Cell Line ; Electric Conductivity ; Excitatory Amino Acid Agonists/metabolism ; Excitatory Amino Acid Antagonists/metabolism ; Humans ; Ligands ; Macromolecular Substances ; Models, Biological ; Patch-Clamp Techniques ; Quinoxalines/metabolism ; Quisqualic Acid/metabolism ; Receptors, AMPA/agonists/antagonists & inhibitors/*chemistry/*metabolism ; Receptors, Glutamate/chemistry/metabolism ; Receptors, Kainic Acid/agonists/antagonists & inhibitors/*chemistry/metabolism ; Recombinant Fusion Proteins/chemistry/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 1989-04-21
    Description: A specific assay has been developed for a blood-borne non-A, non-B hepatitis (NANBH) virus in which a polypeptide synthesized in recombinant yeast clones of the hepatitis C virus (HCV) is used to capture circulating viral antibodies. HCV antibodies were detected in six of seven human sera that were shown previously to transmit NANBH to chimpanzees. Assays of ten blood transfusions in the United States that resulted in chronic NANBH revealed that there was at least one positive blood donor in nine of these cases and that all ten recipients seroconverted during their illnesses. About 80 percent of chronic, post-transfusion NANBH (PT-NANBH) patients from Italy and Japan had circulating HCV antibody; a much lower frequency (15 percent) was observed in acute, resolving infections. In addition, 58 percent of NANBH patients from the United States with no identifiable source of parenteral exposure to the virus were also positive for HCV antibody. These data indicate that HCV is a major cause of NANBH throughout the world.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuo, G -- Choo, Q L -- Alter, H J -- Gitnick, G L -- Redeker, A G -- Purcell, R H -- Miyamura, T -- Dienstag, J L -- Alter, M J -- Stevens, C E -- New York, N.Y. -- Science. 1989 Apr 21;244(4902):362-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chiron Corporation, Emeryville, CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2496467" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Viral/*analysis ; Blood Donors ; Blood Transfusion ; Hepatitis C/*immunology/transmission ; Hepatitis Viruses/*immunology ; Hepatitis, Viral, Human/*immunology ; Humans ; Italy ; Japan ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2008-11-07
    Description: DNA sequence information underpins genetic research, enabling discoveries of important biological or medical benefit. Sequencing projects have traditionally used long (400-800 base pair) reads, but the existence of reference sequences for the human and many other genomes makes it possible to develop new, fast approaches to re-sequencing, whereby shorter reads are compared to a reference to identify intraspecies genetic variation. Here we report an approach that generates several billion bases of accurate nucleotide sequence per experiment at low cost. Single molecules of DNA are attached to a flat surface, amplified in situ and used as templates for synthetic sequencing with fluorescent reversible terminator deoxyribonucleotides. Images of the surface are analysed to generate high-quality sequence. We demonstrate application of this approach to human genome sequencing on flow-sorted X chromosomes and then scale the approach to determine the genome sequence of a male Yoruba from Ibadan, Nigeria. We build an accurate consensus sequence from 〉30x average depth of paired 35-base reads. We characterize four million single-nucleotide polymorphisms and four hundred thousand structural variants, many of which were previously unknown. Our approach is effective for accurate, rapid and economical whole-genome re-sequencing and many other biomedical applications.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2581791/" 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/PMC2581791/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bentley, David R -- Balasubramanian, Shankar -- Swerdlow, Harold P -- Smith, Geoffrey P -- Milton, John -- Brown, Clive G -- Hall, Kevin P -- Evers, Dirk J -- Barnes, Colin L -- Bignell, Helen R -- Boutell, Jonathan M -- Bryant, Jason -- Carter, Richard J -- Keira Cheetham, R -- Cox, Anthony J -- Ellis, Darren J -- Flatbush, Michael R -- Gormley, Niall A -- Humphray, Sean J -- Irving, Leslie J -- Karbelashvili, Mirian S -- Kirk, Scott M -- Li, Heng -- Liu, Xiaohai -- Maisinger, Klaus S -- Murray, Lisa J -- Obradovic, Bojan -- Ost, Tobias -- Parkinson, Michael L -- Pratt, Mark R -- Rasolonjatovo, Isabelle M J -- Reed, Mark T -- Rigatti, Roberto -- Rodighiero, Chiara -- Ross, Mark T -- Sabot, Andrea -- Sankar, Subramanian V -- Scally, Aylwyn -- Schroth, Gary P -- Smith, Mark E -- Smith, Vincent P -- Spiridou, Anastassia -- Torrance, Peta E -- Tzonev, Svilen S -- Vermaas, Eric H -- Walter, Klaudia -- Wu, Xiaolin -- Zhang, Lu -- Alam, Mohammed D -- Anastasi, Carole -- Aniebo, Ify C -- Bailey, David M D -- Bancarz, Iain R -- Banerjee, Saibal -- Barbour, Selena G -- Baybayan, Primo A -- Benoit, Vincent A -- Benson, Kevin F -- Bevis, Claire -- Black, Phillip J -- Boodhun, Asha -- Brennan, Joe S -- Bridgham, John A -- Brown, Rob C -- Brown, Andrew A -- Buermann, Dale H -- Bundu, Abass A -- Burrows, James C -- Carter, Nigel P -- Castillo, Nestor -- Chiara E Catenazzi, Maria -- Chang, Simon -- Neil Cooley, R -- Crake, Natasha R -- Dada, Olubunmi O -- Diakoumakos, Konstantinos D -- Dominguez-Fernandez, Belen -- Earnshaw, David J -- Egbujor, Ugonna C -- Elmore, David W -- Etchin, Sergey S -- Ewan, Mark R -- Fedurco, Milan -- Fraser, Louise J -- Fuentes Fajardo, Karin V -- Scott Furey, W -- George, David -- Gietzen, Kimberley J -- Goddard, Colin P -- Golda, George S -- Granieri, Philip A -- Green, David E -- Gustafson, David L -- Hansen, Nancy F -- Harnish, Kevin -- Haudenschild, Christian D -- Heyer, Narinder I -- Hims, Matthew M -- Ho, Johnny T -- Horgan, Adrian M -- Hoschler, Katya -- Hurwitz, Steve -- Ivanov, Denis V -- Johnson, Maria Q -- James, Terena -- Huw Jones, T A -- Kang, Gyoung-Dong -- Kerelska, Tzvetana H -- Kersey, Alan D -- Khrebtukova, Irina -- Kindwall, Alex P -- Kingsbury, Zoya -- Kokko-Gonzales, Paula I -- Kumar, Anil -- Laurent, Marc A -- Lawley, Cynthia T -- Lee, Sarah E -- Lee, Xavier -- Liao, Arnold K -- Loch, Jennifer A -- Lok, Mitch -- Luo, Shujun -- Mammen, Radhika M -- Martin, John W -- McCauley, Patrick G -- McNitt, Paul -- Mehta, Parul -- Moon, Keith W -- Mullens, Joe W -- Newington, Taksina -- Ning, Zemin -- Ling Ng, Bee -- Novo, Sonia M -- O'Neill, Michael J -- Osborne, Mark A -- Osnowski, Andrew -- Ostadan, Omead -- Paraschos, Lambros L -- Pickering, Lea -- Pike, Andrew C -- Pike, Alger C -- Chris Pinkard, D -- Pliskin, Daniel P -- Podhasky, Joe -- Quijano, Victor J -- Raczy, Come -- Rae, Vicki H -- Rawlings, Stephen R -- Chiva Rodriguez, Ana -- Roe, Phyllida M -- Rogers, John -- Rogert Bacigalupo, Maria C -- Romanov, Nikolai -- Romieu, Anthony -- Roth, Rithy K -- Rourke, Natalie J -- Ruediger, Silke T -- Rusman, Eli -- Sanches-Kuiper, Raquel M -- Schenker, Martin R -- Seoane, Josefina M -- Shaw, Richard J -- Shiver, Mitch K -- Short, Steven W -- Sizto, Ning L -- Sluis, Johannes P -- Smith, Melanie A -- Ernest Sohna Sohna, Jean -- Spence, Eric J -- Stevens, Kim -- Sutton, Neil -- Szajkowski, Lukasz -- Tregidgo, Carolyn L -- Turcatti, Gerardo -- Vandevondele, Stephanie -- Verhovsky, Yuli -- Virk, Selene M -- Wakelin, Suzanne -- Walcott, Gregory C -- Wang, Jingwen -- Worsley, Graham J -- Yan, Juying -- Yau, Ling -- Zuerlein, Mike -- Rogers, Jane -- Mullikin, James C -- Hurles, Matthew E -- McCooke, Nick J -- West, John S -- Oaks, Frank L -- Lundberg, Peter L -- Klenerman, David -- Durbin, Richard -- Smith, Anthony J -- B05823/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0701805/Medical Research Council/United Kingdom -- MOL04534/Biotechnology and Biological Sciences Research Council/United Kingdom -- Z01 HG200330-03/Intramural NIH HHS/ -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2008 Nov 6;456(7218):53-9. doi: 10.1038/nature07517.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Illumina Cambridge Ltd. (Formerly Solexa Ltd), Chesterford Research Park, Little Chesterford, Nr Saffron Walden, Essex CB10 1XL, UK. dbentley@illumina.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18987734" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosomes, Human, X/genetics ; Consensus Sequence/genetics ; Genome, Human/*genetics ; Genomics/economics/*methods ; Genotype ; Humans ; Male ; Nigeria ; Polymorphism, Single Nucleotide/genetics ; Sensitivity and Specificity ; Sequence Analysis, DNA/economics/*methods
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevens, Emily A -- Bradfield, Christopher A -- R01 ES005703/ES/NIEHS NIH HHS/ -- England -- Nature. 2008 May 1;453(7191):46-7. doi: 10.1038/453046a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451850" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbazoles/pharmacokinetics/pharmacology ; *Cell Differentiation/drug effects ; Dioxins/pharmacokinetics/pharmacology ; Encephalomyelitis, Autoimmune, Experimental/chemically induced/immunology ; Environmental Pollutants/*pharmacology/toxicity ; Humans ; Indoles/pharmacokinetics/pharmacology ; Interleukin-17/*metabolism ; Mice ; Receptors, Aryl Hydrocarbon/deficiency/*metabolism ; T-Lymphocytes, Helper-Inducer/*cytology/drug effects/immunology/*metabolism ; T-Lymphocytes, Regulatory/*cytology/drug effects/immunology/*metabolism ; Transforming Growth Factor beta/immunology/pharmacology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2008-08-22
    Description: Investigation of the human antibody response to influenza virus infection has been largely limited to serology, with relatively little analysis at the molecular level. The 1918 H1N1 influenza virus pandemic was the most severe of the modern era. Recent work has recovered the gene sequences of this unusual strain, so that the 1918 pandemic virus could be reconstituted to display its unique virulence phenotypes. However, little is known about adaptive immunity to this virus. We took advantage of the 1918 virus sequencing and the resultant production of recombinant 1918 haemagglutinin (HA) protein antigen to characterize at the clonal level neutralizing antibodies induced by natural exposure of survivors to the 1918 pandemic virus. Here we show that of the 32 individuals tested that were born in or before 1915, each showed seroreactivity with the 1918 virus, nearly 90 years after the pandemic. Seven of the eight donor samples tested had circulating B cells that secreted antibodies that bound the 1918 HA. We isolated B cells from subjects and generated five monoclonal antibodies that showed potent neutralizing activity against 1918 virus from three separate donors. These antibodies also cross-reacted with the genetically similar HA of a 1930 swine H1N1 influenza strain, but did not cross-react with HAs of more contemporary human influenza viruses. The antibody genes had an unusually high degree of somatic mutation. The antibodies bound to the 1918 HA protein with high affinity, had exceptional virus-neutralizing potency and protected mice from lethal infection. Isolation of viruses that escaped inhibition suggested that the antibodies recognize classical antigenic sites on the HA surface. Thus, these studies demonstrate that survivors of the 1918 influenza pandemic possess highly functional, virus-neutralizing antibodies to this uniquely virulent virus, and that humans can sustain circulating B memory cells to viruses for many decades after exposure-well into the tenth decade of life.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2848880/" 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/PMC2848880/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, Xiaocong -- Tsibane, Tshidi -- McGraw, Patricia A -- House, Frances S -- Keefer, Christopher J -- Hicar, Mark D -- Tumpey, Terrence M -- Pappas, Claudia -- Perrone, Lucy A -- Martinez, Osvaldo -- Stevens, James -- Wilson, Ian A -- Aguilar, Patricia V -- Altschuler, Eric L -- Basler, Christopher F -- Crowe, James E Jr -- AI057158/AI/NIAID NIH HHS/ -- AI42266/AI/NIAID NIH HHS/ -- CA55896/CA/NCI NIH HHS/ -- P01 AI058113/AI/NIAID NIH HHS/ -- R01 AI048677/AI/NIAID NIH HHS/ -- R01 AI048677-04/AI/NIAID NIH HHS/ -- U19 AI057229/AI/NIAID NIH HHS/ -- U19 AI62623/AI/NIAID NIH HHS/ -- U54 AI057157/AI/NIAID NIH HHS/ -- U54 AI057157-019002/AI/NIAID NIH HHS/ -- U54 AI57158/AI/NIAID NIH HHS/ -- England -- Nature. 2008 Sep 25;455(7212):532-6. doi: 10.1038/nature07231. Epub 2008 Aug 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee 37232, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18716625" target="_blank"〉PubMed〈/a〉
    Keywords: Aged, 80 and over ; Animals ; Antibodies, Monoclonal/genetics/immunology/isolation & purification ; Antibodies, Viral/genetics/*immunology/*isolation & purification ; B-Lymphocytes/*immunology ; Cell Line ; Cross Reactions/immunology ; *Disease Outbreaks/history ; Dogs ; Female ; History, 20th Century ; Humans ; Influenza A Virus, H1N1 Subtype/genetics/*immunology/physiology ; Influenza, Human/*immunology/virology ; Kinetics ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Neutralization Tests ; *Survival
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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