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  • Humans  (16)
  • General Chemistry
  • Meteorology and Climatology
  • American Association for the Advancement of Science (AAAS)  (16)
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  • 1
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    Emerging marine diseases--climate links and anthropogenic factors (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1999-09-25
    Beschreibung: Mass mortalities due to disease outbreaks have recently affected major taxa in the oceans. For closely monitored groups like corals and marine mammals, reports of the frequency of epidemics and the number of new diseases have increased recently. A dramatic global increase in the severity of coral bleaching in 1997-98 is coincident with high El Nino temperatures. Such climate-mediated, physiological stresses may compromise host resistance and increase frequency of opportunistic diseases. Where documented, new diseases typically have emerged through host or range shifts of known pathogens. Both climate and human activities may have also accelerated global transport of species, bringing together pathogens and previously unexposed host populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harvell, C D -- Kim, K -- Burkholder, J M -- Colwell, R R -- Epstein, P R -- Grimes, D J -- Hofmann, E E -- Lipp, E K -- Osterhaus, A D -- Overstreet, R M -- Porter, J W -- Smith, G W -- Vasta, G R -- 1PO1 ES09563/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1505-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10498537" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aquaculture ; *Climate ; Cnidaria ; *Disease Outbreaks/*veterinary ; Humans ; Infection/epidemiology/*etiology/transmission/*veterinary ; *Marine Biology ; Oceans and Seas ; Water Pollution
    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)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    HIV-infected cells are killed by rCD4-ricin A chain (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1988-11-25
    Beschreibung: The gp120 envelope glycoprotein of the human immunodeficiency virus (HIV), which is expressed on the surface of many HIV-infected cells, binds to the cell surface molecule CD4. Soluble derivatives of recombinant CD4 (rCD4) that bind gp120 with high affinity are attractive vehicles for targeting a cytotoxic reagent to HIV-infected cells. Soluble rCD4 was conjugated to the active subunit of the toxin ricin. This conjugate killed HIV-infected H9 cells but was 1/1000 as toxic to uninfected H9 cells (which do not express gp120) and was not toxic to Daudi cells (which express major histocompatibility class II antigens, the putative natural ligand for cell surface CD4). Specific killing of infected cells can be blocked by rgp120, rCD4, or a monoclonal antibody to the gp120 binding site on CD4.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Till, M A -- Ghetie, V -- Gregory, T -- Patzer, E J -- Porter, J P -- Uhr, J W -- Capon, D J -- Vitetta, E S -- CA-09082/CA/NCI NIH HHS/ -- CA-28149/CA/NCI NIH HHS/ -- CA-41081/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Nov 25;242(4882):1166-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of Texas Southwestern Medical Center, Dallas 75235.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2847316" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antigens, Differentiation, T-Lymphocyte/*administration & dosage/immunology ; Binding Sites ; Cell Line ; Cell Survival ; Electrophoresis, Polyacrylamide Gel ; HIV/*immunology ; HIV Envelope Protein gp120 ; Histocompatibility Antigens Class II/immunology ; Humans ; Recombinant Proteins/administration & dosage/immunology ; Retroviridae Proteins/*immunology/metabolism ; Ricin/metabolism/*pharmacology ; T-Lymphocytes/immunology/microbiology/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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  • 3
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    AIDS--the leading cause of adult death in the West African City of Abidjan, Ivory Coast (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1990-08-17
    Beschreibung: In 1988 to 1989, 698 adult cadavers in Abidjan's two largest morgues were studied, representing 38 to 43% of all adult deaths in the city over the study period, and 6 to 7% of annual deaths. Forty-one percent of male and 32% of female cadavers were infected with human immunodeficiency virus (HIV). Fifteen percent of adult male and 13% of adult female annual deaths are due to acquired immunodeficiency syndrome (AIDS). In Abidjan, AIDS is the leading cause of death and years of potential life lost in adult men, followed by unintentional injuries and tuberculosis. In women, AIDS is the second leading cause of death and premature mortality, after deaths related to pregnancy and abortion. AIDS-specific and AIDS-proportional mortality rates may be higher in other African cities where AIDS has been found for a longer time than in Abidjan.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Cock, K M -- Barrere, B -- Diaby, L -- Lafontaine, M F -- Gnaore, E -- Porter, A -- Pantobe, D -- Lafontant, G C -- Dago-Akribi, A -- Ette, M -- New York, N.Y. -- Science. 1990 Aug 17;249(4970):793-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Infectious Diseases, Centers for Disease Control, Atlanta, GA 30333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2167515" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acquired Immunodeficiency Syndrome/epidemiology/*mortality ; Adolescent ; Adult ; Africa ; Cause of Death ; Cote d'Ivoire ; Female ; HIV Seropositivity ; HIV-1/immunology ; HIV-2/immunology ; Humans ; Male
    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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    Design and chemical synthesis of a homogeneous polymer-modified erythropoiesis protein (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2003-02-08
    Beschreibung: We report the design and total chemical synthesis of "synthetic erythropoiesis protein" (SEP), a 51-kilodalton protein-polymer construct consisting of a 166-amino-acid polypeptide chain and two covalently attached, branched, and monodisperse polymer moieties that are negatively charged. The ability to control the chemistry allowed us to synthesize a macromolecule of precisely defined covalent structure. SEP was homogeneous as shown by high-resolution analytical techniques, with a mass of 50,825 +/-10 daltons by electrospray mass spectrometry, and with a pI of 5.0. In cell and animal assays for erythropoiesis, SEP displayed potent biological activity and had significantly prolonged duration of action in vivo. These chemical methods are a powerful tool in the rational design of protein constructs with potential therapeutic applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kochendoerfer, Gerd G -- Chen, Shiah-Yun -- Mao, Feng -- Cressman, Sonya -- Traviglia, Stacey -- Shao, Haiyan -- Hunter, Christie L -- Low, Donald W -- Cagle, E Neil -- Carnevali, Maia -- Gueriguian, Vincent -- Keogh, Peter J -- Porter, Heather -- Stratton, Stephen M -- Wiedeke, M Con -- Wilken, Jill -- Tang, Jie -- Levy, Jay J -- Miranda, Les P -- Crnogorac, Milan M -- Kalbag, Suresh -- Botti, Paolo -- Schindler-Horvat, Janice -- Savatski, Laura -- Adamson, John W -- Kung, Ada -- Kent, Stephen B H -- Bradburne, James A -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):884-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gryphon Therapeutics, 250 East Grand Avenue, Suite 90, South San Francisco, CA 94080, USA. Gkochendoerfer@gryphonRX.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574628" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Cell Line ; Circular Dichroism ; *Drug Design ; Drug Stability ; Electrophoresis, Polyacrylamide Gel ; *Erythropoiesis ; Erythropoietin/chemistry/pharmacology ; Hematocrit ; Humans ; Isoelectric Point ; Mice ; Molecular Sequence Data ; Molecular Structure ; Molecular Weight ; *Polymers/*chemical synthesis/*chemistry/pharmacokinetics/pharmacology ; Protein Folding ; Proteins/*chemical synthesis/*chemistry/pharmacokinetics/pharmacology ; Rats ; Receptors, Erythropoietin/drug effects/metabolism ; Recombinant Proteins ; Spectrometry, Mass, Electrospray Ionization
    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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    Cholesterol modification of hedgehog signaling proteins in animal development (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1996-10-11
    Beschreibung: Hedgehog (Hh) proteins comprise a family of secreted signaling molecules essential for patterning a variety of structures in animal embryogenesis. During biosynthesis, Hh undergoes an autocleavage reaction, mediated by its carboxyl-terminal domain, that produces a lipid-modified amino-terminal fragment responsible for all known Hh signaling activity. Here it is reported that cholesterol is the lipophilic moiety covalently attached to the amino-terminal signaling domain during autoprocessing and that the carboxyl-terminal domain acts as an intramolecular cholesterol transferase. This use of cholesterol to modify embryonic signaling proteins may account for some of the effects of perturbed cholesterol biosynthesis on animal development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Porter, J A -- Young, K E -- Beachy, P A -- New York, N.Y. -- Science. 1996 Oct 11;274(5285):255-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetics, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8824192" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Line ; Cells, Cultured ; Cholesterol/*metabolism ; Dithiothreitol/pharmacology ; Drosophila ; *Drosophila Proteins ; *Embryonic Induction ; Embryonic and Fetal Development ; Hedgehog Proteins ; Humans ; Protein Processing, Post-Translational ; Proteins/genetics/*metabolism ; Signal Transduction ; *Trans-Activators
    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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    Managing all those bytes: the Human Genome Project (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1993-10-01
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cuticchia, A J -- Chipperfield, M A -- Porter, C J -- Kearns, W -- Pearson, P L -- New York, N.Y. -- Science. 1993 Oct 1;262(5130):47-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2100.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8211128" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Chromosome Mapping ; *Computer Communication Networks ; *Databases, Factual ; *Human Genome Project ; Humans ; *Information Storage and Retrieval ; United States
    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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    Treating brain cancers (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1994-11-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maruyama, Y -- Fontanesi, J -- Porter, A T -- Wierzbicki, J G -- Gaspar, L -- New York, N.Y. -- Science. 1994 Nov 4;266(5186):714-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7973620" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Boron Neutron Capture Therapy ; Brain Neoplasms/*radiotherapy ; Californium/*therapeutic use ; Humans ; Neutron Capture Therapy/*methods ; Rats
    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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    Basic biomedical research (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1994-11-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Porter, J E -- New York, N.Y. -- Science. 1994 Nov 25;266(5189):1305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7973712" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Financing, Government ; Health Care Reform ; Humans ; National Institutes of Health (U.S.)/*economics ; Research/*economics ; *Research Support as Topic ; United States
    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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    If all you do is vote (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2008-09-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Porter, John Edward -- New York, N.Y. -- Science. 2008 Sep 26;321(5897):1741. doi: 10.1126/science.1163096.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18818325" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Consumer Participation ; Humans ; *Politics ; *Research ; *Science ; United States
    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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    Community structure in time-dependent, multiscale, and multiplex networks (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2010-05-15
    Beschreibung: Network science is an interdisciplinary endeavor, with methods and applications drawn from across the natural, social, and information sciences. A prominent problem in network science is the algorithmic detection of tightly connected groups of nodes known as communities. We developed a generalized framework of network quality functions that allowed us to study the community structure of arbitrary multislice networks, which are combinations of individual networks coupled through links that connect each node in one network slice to itself in other slices. This framework allows studies of community structure in a general setting encompassing networks that evolve over time, have multiple types of links (multiplexity), and have multiple scales.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mucha, Peter J -- Richardson, Thomas -- Macon, Kevin -- Porter, Mason A -- Onnela, Jukka-Pekka -- New York, N.Y. -- Science. 2010 May 14;328(5980):876-8. doi: 10.1126/science.1184819.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Carolina Center for Interdisciplinary Applied Mathematics, Department of Mathematics, University of North Carolina, Chapel Hill, NC 27599, USA. mucha@unc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20466926" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Algorithms ; *Friends ; *Group Processes ; Humans ; *Interpersonal Relations ; *Models, Theoretical ; Politics ; *Population Groups ; Time Factors ; United States
    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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