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  • Articles  (12,163)
  • Inorganic Chemistry  (9,366)
  • Humans  (2,769)
  • 42.75
  • LUNAR AND PLANETARY EXPLORATION
  • 1995-1999  (4,574)
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  • 101
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    Animal testing. One mouse's meat is another one's poison (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Helmuth, L -- New York, N.Y. -- Science. 1999 Aug 20;285(5431):1190-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10484726" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Estradiol/*pharmacology/toxicity ; *Genetic Variation ; Humans ; Litter Size ; Male ; Maximum Allowable Concentration ; Mice ; Mice, Inbred Strains ; Species Specificity ; Spermatogenesis/*drug effects ; Testis/*drug effects ; *Toxicity Tests
    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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  • 102
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    Environment and behavior of 2.5-million-year-old Bouri hominids (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: The Hata Member of the Bouri Formation is defined for Pliocene sedimentary outcrops in the Middle Awash Valley, Ethiopia. The Hata Member is dated to 2.5 million years ago and has produced a new species of Australopithecus and hominid postcranial remains not currently assigned to species. Spatially associated zooarchaeological remains show that hominids acquired meat and marrow by 2.5 million years ago and that they are the near contemporary of Oldowan artifacts at nearby Gona. The combined evidence suggests that behavioral changes associated with lithic technology and enhanced carnivory may have been coincident with the emergence of the Homo clade from Australopithecus afarensis in eastern Africa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Heinzelin, J -- Clark, J D -- White, T -- Hart, W -- Renne, P -- WoldeGabriel, G -- Beyene, Y -- Vrba, E -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):625-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Royal des Sciences Naturelles de Belgique, Rue Vautier 29, B-1000 Bruxelles, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10213682" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diet ; Ethiopia ; *Fossils ; *Geologic Sediments ; History, Ancient ; *Hominidae ; Humans
    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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  • 103
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    Paracellin-1, a renal tight junction protein required for paracellular Mg2+ resorption (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: Epithelia permit selective and regulated flux from apical to basolateral surfaces by transcellular passage through cells or paracellular flux between cells. Tight junctions constitute the barrier to paracellular conductance; however, little is known about the specific molecules that mediate paracellular permeabilities. Renal magnesium ion (Mg2+) resorption occurs predominantly through a paracellular conductance in the thick ascending limb of Henle (TAL). Here, positional cloning has identified a human gene, paracellin-1 (PCLN-1), mutations in which cause renal Mg2+ wasting. PCLN-1 is located in tight junctions of the TAL and is related to the claudin family of tight junction proteins. These findings provide insight into Mg2+ homeostasis, demonstrate the role of a tight junction protein in human disease, and identify an essential component of a selective paracellular conductance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simon, D B -- Lu, Y -- Choate, K A -- Velazquez, H -- Al-Sabban, E -- Praga, M -- Casari, G -- Bettinelli, A -- Colussi, G -- Rodriguez-Soriano, J -- McCredie, D -- Milford, D -- Sanjad, S -- Lifton, R P -- F.1/Telethon/Italy -- R01DK51696/DK/NIDDK NIH HHS/ -- TGM06S01/Telethon/Italy -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):103-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Genetics, Yale University School of Medicine, New Haven, CT 06510, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10390358" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calcium/urine ; Chromosomes, Human, Pair 3/genetics ; Claudins ; Cloning, Molecular ; Female ; Genes, Recessive ; Homeostasis ; Humans ; Kidney Diseases/*genetics/metabolism ; Kidney Tubules/chemistry ; Loop of Henle/chemistry/*metabolism ; Magnesium/blood/*metabolism ; Magnesium Deficiency/*genetics/metabolism ; Male ; Membrane Proteins/analysis/chemistry/genetics/*physiology ; Molecular Sequence Data ; Mutation ; Pedigree ; Physical Chromosome Mapping ; Tight Junctions/*metabolism
    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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  • 104
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    Beta-defensins: linking innate and adaptive immunity through dendritic and T cell CCR6 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: Defensins contribute to host defense by disrupting the cytoplasmic membrane of microorganisms. This report shows that human beta-defensins are also chemotactic for immature dendritic cells and memory T cells. Human beta-defensin was selectively chemotactic for cells stably transfected to express human CCR6, a chemokine receptor preferentially expressed by immature dendritic cells and memory T cells. The beta-defensin-induced chemotaxis was sensitive to pertussis toxin and inhibited by antibodies to CCR6. The binding of iodinated LARC, the chemokine ligand for CCR6, to CCR6-transfected cells was competitively displaced by beta-defensin. Thus, beta-defensins may promote adaptive immune responses by recruiting dendritic and T cells to the site of microbial invasion through interaction with CCR6.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, D -- Chertov, O -- Bykovskaia, S N -- Chen, Q -- Buffo, M J -- Shogan, J -- Anderson, M -- Schroder, J M -- Wang, J M -- Howard, O M -- Oppenheim, J J -- N01-CO-56000/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):525-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunoregulation, Division of Basic Sciences, Intramural Research Support Program, SAIC Frederick, National Cancer Institute-Frederick Cancer Research and Development Center, Frederick, MD 21702-1201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10521347" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies/immunology ; Binding, Competitive ; Cell Line ; Chemokine CCL20 ; Chemokines, CC/metabolism/pharmacology ; Chemotaxis ; Chemotaxis, Leukocyte ; Defensins ; Dendritic Cells/*immunology ; Humans ; *Immunity, Active ; *Immunity, Innate ; Immunologic Memory ; *Macrophage Inflammatory Proteins ; Pertussis Toxin ; Proteins/pharmacology/*physiology ; Receptors, CCR6 ; Receptors, Chemokine/genetics/*metabolism ; Recombinant Proteins/pharmacology ; T-Lymphocyte Subsets/*immunology ; Transfection ; Virulence Factors, Bordetella/pharmacology ; *beta-Defensins
    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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  • 105
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    The looming threat of bioterrorism (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-26
    Description: Biological weapons have recently attracted the attention and the resources of the nation. Discerning the nature of the threat of bioweapons as well as appropriate responses to them requires greater attention to the biological characteristics of these instruments of war and terror. The dominant paradigm of a weapon as a nuclear device that explodes or a chemical cloud that is set adrift leaves us ill-equipped conceptually and practically to assess and thus to prevent the potentially devastating effects of bioterrorism. Strengthening the public health and infectious disease infrastructure is an effective step toward averting the suffering that could be wrought by a terrorist's use of a biological agent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Henderson, D A -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1279-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins Center for Civilian Biodefense Studies, Johns Hopkins School of Public Health, Suite 850, Candler Building, 111 Market Place, Baltimore, MD 21202, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10037590" target="_blank"〉PubMed〈/a〉
    Keywords: Anthrax/epidemiology/prevention & control/therapy/transmission ; *Biological Warfare/prevention & control ; Disaster Planning ; Disease Outbreaks ; Humans ; *Public Health ; Smallpox/epidemiology/prevention & control/therapy/transmission ; United States ; Vaccination ; *Violence/prevention & control
    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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  • 106
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    Prions: a lone killer or a vital accomplice? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):660-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577216" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/chemistry/physiology ; Dendritic Cells, Follicular/chemistry/physiology ; Gene Targeting ; Genetic Predisposition to Disease ; Humans ; Mice ; Mice, Transgenic ; Mutation ; Neurons/chemistry ; Prion Diseases/*etiology/genetics/therapy ; Prions/genetics/metabolism/*pathogenicity
    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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  • 107
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    UC-Genentech trial (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Henner, D -- Goeddel, D V -- Heyneker, H -- Itakura, K -- Tansura, D -- New York, N.Y. -- Science. 1999 May 28;284(5419):1465.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ross M Miozzari G〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383322" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*legislation & jurisprudence ; California ; *Human Growth Hormone ; Humans ; Patents as Topic/*legislation & jurisprudence ; Periodicals as Topic ; *Publishing ; Universities/*legislation & jurisprudence
    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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  • 108
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    Neanderthal cannibalism at Moula-Guercy, Ardeche, France (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-03
    Description: The cave site of Moula-Guercy, 80 meters above the modern Rhone River, was occupied by Neanderthals approximately 100,000 years ago. Excavations since 1991 have yielded rich paleontological, paleobotanical, and archaeological assemblages, including parts of six Neanderthals. The Neanderthals are contemporary with stone tools and faunal remains in the same tightly controlled stratigraphic and spatial contexts. The inference of Neanderthal cannibalism at Moula-Guercy is based on comparative analysis of hominid and ungulate bone spatial distributions, modifications by stone tools, and skeletal part representations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Defleur, A -- White, T -- Valensi, P -- Slimak, L -- Cregut-Bonnoure, E -- New York, N.Y. -- Science. 1999 Oct 1;286(5437):128-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UMR 6569 du CNRS, Laboratoire d'Anthropologie, Faculte de Medecine, Secteur Nord, Boulevard Pierre Dramart, 13916 Marseille Cedex 20, France. defleur@voltaire.timone.univ-mrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10506562" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaeology ; Bone and Bones/anatomy & histology ; Cannibalism/*history ; Deer ; *Fossils ; France ; History, Ancient ; *Hominidae ; Humans
    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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  • 109
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    Fertility technique regulation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeBuono, B A -- Coleman, C H -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):178-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925476" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Ethics Committees, Research ; Federal Government ; *Government Regulation ; Humans ; Informed Consent ; New York ; Practice Guidelines as Topic ; Professional Staff Committees ; Public Policy ; Reproductive Techniques/legislation & jurisprudence/*standards
    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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  • 110
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    Crystallographic evidence for preformed dimers of erythropoietin receptor before ligand activation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-12
    Description: Erythropoietin receptor (EPOR) is thought to be activated by ligand-induced homodimerization. However, structures of agonist and antagonist peptide complexes of EPOR, as well as an EPO-EPOR complex, have shown that the actual dimer configuration is critical for the biological response and signal efficiency. The crystal structure of the extracellular domain of EPOR in its unliganded form at 2.4 angstrom resolution has revealed a dimer in which the individual membrane-spanning and intracellular domains would be too far apart to permit phosphorylation by JAK2. This unliganded EPOR dimer is formed from self-association of the same key binding site residues that interact with EPO-mimetic peptide and EPO ligands. This model for a preformed dimer on the cell surface provides insights into the organization, activation, and plasticity of recognition of hematopoietic cell surface receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Livnah, O -- Stura, E A -- Middleton, S A -- Johnson, D L -- Jolliffe, L K -- Wilson, I A -- GM49497/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Feb 12;283(5404):987-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Skaggs Institute of Chemical Biology, The 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/9974392" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Membrane/chemistry ; Crystallography, X-Ray ; Dimerization ; Erythropoietin/metabolism ; Humans ; Hydrogen Bonding ; Janus Kinase 2 ; Ligands ; Models, Molecular ; Peptide Fragments/*chemistry/metabolism ; Peptides, Cyclic/metabolism ; Protein Conformation ; Protein-Tyrosine Kinases/metabolism ; *Proto-Oncogene Proteins ; Receptors, Erythropoietin/*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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  • 111
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    Switching on the infant brain (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sireteanu, R -- New York, N.Y. -- Science. 1999 Oct 1;286(5437):59, 61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurophysiology, Max-Planck-Institute for Brain Research, Frankfurt, Germany. sireteanu@mph-frankfurt.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10532890" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cataract/congenital ; Cataract Extraction ; Cats ; Humans ; Infant ; Infant, Newborn ; Pattern Recognition, Visual ; *Photic Stimulation ; Vision, Ocular ; *Visual Acuity ; Visual Cortex/physiology
    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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  • 112
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    HIV. French-led therapy fund kicks off in Africa (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1999 May 14;284(5417):1101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10366339" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/*therapeutic use ; Cote d'Ivoire ; Female ; *Financial Support ; France ; Fund Raising ; HIV Infections/*drug therapy/*prevention & control/transmission ; Humans ; Infectious Disease Transmission, Vertical/prevention & control ; *International Agencies/economics ; Pilot Projects ; Pregnancy ; Pregnancy Complications, Infectious/drug therapy
    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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  • 113
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    Positive and negative regulation of IkappaB kinase activity through IKKbeta subunit phosphorylation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-09
    Description: IkappaB [inhibitor of nuclear factor kappaB (NF-kappaB)] kinase (IKK) phosphorylates IkappaB inhibitory proteins, causing their degradation and activation of transcription factor NF-kappaB, a master activator of inflammatory responses. IKK is composed of three subunits-IKKalpha and IKKbeta, which are highly similar protein kinases, and IKKgamma, a regulatory subunit. In mammalian cells, phosphorylation of two sites at the activation loop of IKKbeta was essential for activation of IKK by tumor necrosis factor and interleukin-1. Elimination of equivalent sites in IKKalpha, however, did not interfere with IKK activation. Thus, IKKbeta, not IKKalpha, is the target for proinflammatory stimuli. Once activated, IKKbeta autophosphorylated at a carboxyl-terminal serine cluster. Such phosphorylation decreased IKK activity and may prevent prolonged activation of the inflammatory response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delhase, M -- Hayakawa, M -- Chen, Y -- Karin, M -- R01 AI43477/AI/NIAID NIH HHS/ -- R37 ES04151/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1999 Apr 9;284(5412):309-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0636, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10195894" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Cell Line ; DNA-Binding Proteins/metabolism ; Enzyme Activation ; HeLa Cells ; Helix-Loop-Helix Motifs ; Humans ; I-kappa B Kinase ; I-kappa B Proteins ; Interleukin-1/pharmacology ; Leucine Zippers ; *MAP Kinase Kinase Kinase 1 ; Molecular Sequence Data ; Mutation ; Phosphorylation ; Phosphoserine/metabolism ; Protein-Serine-Threonine Kinases/chemistry/genetics/*metabolism ; Transfection ; Tumor Necrosis Factor-alpha/pharmacology
    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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  • 114
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    Effects of medical research on health care and economy (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pardes, H -- Manton, K G -- Lander, E S -- Tolley, H D -- Ullian, A D -- Palmer, H -- New York, N.Y. -- Science. 1999 Jan 1;283(5398):36-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Faculty of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA. hp2@columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9917262" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; *Biotechnology/economics ; *Delivery of Health Care ; Disabled Persons ; Drug Industry ; *Economics, Medical ; *Health Care Costs ; Health Status ; Humans ; Longevity ; *Research ; 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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  • 115
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    Search for cross-species transmission of porcine endogenous retrovirus in patients treated with living pig tissue. The XEN 111 Study Group (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-24
    Description: Pig organs may offer a solution to the shortage of human donor organs for transplantation, but concerns remain about possible cross-species transmission of porcine endogenous retrovirus (PERV). Samples were collected from 160 patients who had been treated with various living pig tissues up to 12 years earlier. Reverse transcription-polymerase chain reaction (RT-PCR) and protein immunoblot analyses were performed on serum from all 160 patients. No viremia was detected in any patient. Peripheral blood mononuclear cells from 159 of the patients were analyzed by PCR using PERV-specific primers. No PERV infection was detected in any of the patients from whom sufficient DNA was extracted to allow complete PCR analysis (97 percent of the patients). Persistent microchimerism (presence of donor cells in the recipient) was observed in 23 patients for up to 8.5 years.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paradis, K -- Langford, G -- Long, Z -- Heneine, W -- Sandstrom, P -- Switzer, W M -- Chapman, L E -- Lockey, C -- Onions, D -- Otto, E -- New York, N.Y. -- Science. 1999 Aug 20;285(5431):1236-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Imutran Ltd. (a Novartis Pharma AG company), Post Office Box 399, Cambridge CB2 2YP, UK. khazal.paradis@pharma.novartis.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10455044" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Animals ; Antibodies, Viral/blood ; Child ; Child, Preschool ; Chimera ; DNA, Viral/analysis ; Extracorporeal Circulation ; Female ; *Gammaretrovirus/genetics/immunology/isolation & purification ; Humans ; Immunoblotting ; Islets of Langerhans Transplantation ; Male ; Middle Aged ; RNA, Viral/analysis ; Retrospective Studies ; Retroviridae Infections/diagnosis/*transmission ; Reverse Transcriptase Polymerase Chain Reaction ; Skin Transplantation ; Swine ; *Transplantation, Heterologous/adverse effects ; Tumor Virus Infections/diagnosis/*transmission ; Viremia/diagnosis ; *Zoonoses
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    Scientific cross-claims fly in continuing beef war (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1999 May 28;284(5419):1453, 1455.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383320" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Husbandry ; Animals ; Carcinogens/*analysis ; Cattle ; Drug Residues/adverse effects/*analysis ; Estradiol/adverse effects/*analysis ; European Union ; *Food Contamination ; Gonadal Steroid Hormones/adverse effects/*analysis ; Humans ; Meat/adverse effects/*analysis ; Mutagens/analysis ; Neoplasms/chemically induced ; United States ; United States Food and Drug Administration
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    Sources of mathematical thinking: behavioral and brain-imaging evidence (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-13
    Description: Does the human capacity for mathematical intuition depend on linguistic competence or on visuo-spatial representations? A series of behavioral and brain-imaging experiments provides evidence for both sources. Exact arithmetic is acquired in a language-specific format, transfers poorly to a different language or to novel facts, and recruits networks involved in word-association processes. In contrast, approximate arithmetic shows language independence, relies on a sense of numerical magnitudes, and recruits bilateral areas of the parietal lobes involved in visuo-spatial processing. Mathematical intuition may emerge from the interplay of these brain systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dehaene, S -- Spelke, E -- Pinel, P -- Stanescu, R -- Tsivkin, S -- HD23103/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1999 May 7;284(5416):970-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite INSERM 334, Service Hospitalier Frederic Joliot, CEA/DSV, 91401 Orsay Cedex, France. dehaene@shfj.cea.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10320379" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain Mapping ; Evoked Potentials ; Female ; Frontal Lobe/*physiology ; Humans ; Intuition ; *Language ; Magnetic Resonance Imaging ; Male ; *Mathematics ; Parietal Lobe/*physiology ; *Thinking
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    Structure of the VHL-ElonginC-ElonginB complex: implications for VHL tumor suppressor function (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-16
    Description: Mutation of the VHL tumor suppressor is associated with the inherited von Hippel-Lindau (VHL) cancer syndrome and the majority of kidney cancers. VHL binds the ElonginC-ElonginB complex and regulates levels of hypoxia-inducible proteins. The structure of the ternary complex at 2.7 angstrom resolution shows two interfaces, one between VHL and ElonginC and another between ElonginC and ElonginB. Tumorigenic mutations frequently occur in a 35-residue domain of VHL responsible for ElonginC binding. A mutational patch on a separate domain of VHL indicates a second macromolecular binding site. The structure extends the similarities to the SCF (Skp1-Cul1-F-box protein) complex that targets proteins for degradation, supporting the hypothesis that VHL may function in an analogous pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stebbins, C E -- Kaelin, W G Jr -- Pavletich, N P -- New York, N.Y. -- Science. 1999 Apr 16;284(5413):455-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Structural Biology, Joan and Sanford I. Weill Graduate School of Medical Sciences, Cornell University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10205047" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Cell Cycle Proteins/chemistry/metabolism ; Cloning, Molecular ; Crystallography, X-Ray ; *Genes, Tumor Suppressor ; Humans ; Hydrogen Bonding ; *Ligases ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Mutation, Missense ; Neoplasms/genetics ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Proteins/*chemistry/genetics/metabolism ; S-Phase Kinase-Associated Proteins ; Surface Properties ; Transcription Factors/*chemistry/metabolism ; *Tumor Suppressor Proteins ; *Ubiquitin-Protein Ligases ; Von Hippel-Lindau Tumor Suppressor Protein ; von Hippel-Lindau Disease/*genetics
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    AIDS now world's fourth biggest killer (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1999 May 14;284(5417):1101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10366338" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/economics/epidemiology/*mortality ; Africa/epidemiology ; Financial Support ; Fund Raising ; *Global Health ; Humans ; World Health Organization
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    A cell's sense of direction (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-30
    Description: In eukaryotic cells directional sensing is mediated by heterotrimeric guanine nucleotide-binding protein (G protein)-linked signaling pathways. In Dictyostelium discoideum amoebae and mammalian leukocytes, the receptors and G-protein subunits are uniformly distributed around the cell perimeter. Chemoattractants induce the transient appearance of binding sites for several pleckstrin homology domain-containing proteins on the inner face of the membrane. In gradients of attractant these sites are persistently present on the side of the cell facing the higher concentration, even in the absence of a functional actin cytoskeleton or cell movement. Thus, the cell senses direction by spatially regulating the activity of the signal transduction pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parent, C A -- Devreotes, P N -- GM28007/GM/NIGMS NIH HHS/ -- GM47874/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):765-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10221901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/metabolism ; Chemotactic Factors/*physiology ; *Chemotaxis ; Chemotaxis, Leukocyte ; Dictyostelium/physiology ; GTP-Binding Proteins/*physiology ; Humans ; Leukocytes/physiology ; Receptors, Cell Surface/*physiology ; *Signal Transduction
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    The path to specificity (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zuker, C S -- Ranganathan, R -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):650-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Biology, University of California, San Diego, CA 92093-0649, USA. charles@flyeye.ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9988659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arrestin/genetics/*metabolism ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Cell Membrane/metabolism ; Enzyme Activation ; GTP-Binding Proteins/metabolism ; Humans ; Models, Biological ; Mutation ; Phosphorylation ; Proto-Oncogene Proteins pp60(c-src)/*metabolism ; Receptor Cross-Talk ; Receptors, Adrenergic, beta-2/*metabolism ; *Signal Transduction ; src Homology Domains
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    Bile acids: natural ligands for an orphan nuclear receptor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: Bile acids regulate the transcription of genes that control cholesterol homeostasis through molecular mechanisms that are poorly understood. Physiological concentrations of free and conjugated chenodeoxycholic acid, lithocholic acid, and deoxycholic acid activated the farnesoid X receptor (FXR; NR1H4), an orphan nuclear receptor. As ligands, these bile acids and their conjugates modulated interaction of FXR with a peptide derived from steroid receptor coactivator 1. These results provide evidence for a nuclear bile acid signaling pathway that may regulate cholesterol homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parks, D J -- Blanchard, S G -- Bledsoe, R K -- Chandra, G -- Consler, T G -- Kliewer, S A -- Stimmel, J B -- Willson, T M -- Zavacki, A M -- Moore, D D -- Lehmann, J M -- F32 DK09793/DK/NIDDK NIH HHS/ -- R01 DK53366/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1999 May 21;284(5418):1365-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biochemistry, Glaxo Wellcome Research and Development, Research Triangle Park NC, 27709, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bile Acids and Salts/chemistry/*metabolism/pharmacology ; Carrier Proteins/metabolism ; Cell Line ; Chenodeoxycholic Acid/*metabolism/pharmacology ; Cholesterol/metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Deoxycholic Acid/metabolism/pharmacology ; Histone Acetyltransferases ; Homeostasis ; Humans ; Ligands ; Lithocholic Acid/metabolism/pharmacology ; Mice ; Nuclear Receptor Coactivator 1 ; *Organic Anion Transporters, Sodium-Dependent ; Protein Conformation ; Receptors, Cytoplasmic and Nuclear/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Structure-Activity Relationship ; *Symporters ; Transcription Factors/chemistry/genetics/*metabolism ; Transfection
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    Action of DNA repair endonuclease ERCC1/XPF in living cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-13
    Description: To study the nuclear organization and dynamics of nucleotide excision repair (NER), the endonuclease ERCC1/XPF (for excision repair cross complementation group 1/xeroderma pigmentosum group F) was tagged with green fluorescent protein and its mobility was monitored in living Chinese hamster ovary cells. In the absence of DNA damage, the complex moved freely through the nucleus, with a diffusion coefficient (15 +/- 5 square micrometers per second) consistent with its molecular size. Ultraviolet light-induced DNA damage caused a transient dose-dependent immobilization of ERCC1/XPF, likely due to engagement of the complex in a single repair event. After 4 minutes, the complex regained mobility. These results suggest (i) that NER operates by assembly of individual NER factors at sites of DNA damage rather than by preassembly of holocomplexes and (ii) that ERCC1/XPF participates in repair of DNA damage in a distributive fashion rather than by processive scanning of large genome segments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Houtsmuller, A B -- Rademakers, S -- Nigg, A L -- Hoogstraten, D -- Hoeijmakers, J H -- Vermeulen, W -- New York, N.Y. -- Science. 1999 May 7;284(5416):958-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology (Josephine Nefkens Institute, Erasmus University, Post Office Box 1738, 3000 DR Rotterdam, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10320375" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CHO Cells ; Cell Line, Transformed ; Cell Nucleus/metabolism ; Cricetinae ; *DNA Damage ; *DNA Repair ; DNA-Binding Proteins/*metabolism ; Diffusion ; Endonucleases/*metabolism ; Fluorescence ; Green Fluorescent Proteins ; HeLa Cells ; Humans ; Luminescent Proteins ; Microscopy, Confocal ; Microscopy, Fluorescence ; Proteins/*metabolism ; Recombinant Fusion Proteins/metabolism ; Transfection ; Ultraviolet Rays
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    Replication of subgenomic hepatitis C virus RNAs in a hepatoma cell line (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-03
    Description: An estimated 170 million persons worldwide are infected with hepatitis C virus (HCV), a major cause of chronic liver disease. Despite increasing knowledge of genome structure and individual viral proteins, studies on virus replication and pathogenesis have been hampered by the lack of reliable and efficient cell culture systems. A full-length consensus genome was cloned from viral RNA isolated from an infected human liver and used to construct subgenomic selectable replicons. Upon transfection into a human hepatoma cell line, these RNAs were found to replicate to high levels, permitting metabolic radiolabeling of viral RNA and proteins. This work defines the structure of HCV replicons functional in cell culture and provides the basis for a long-sought cellular system that should allow detailed molecular studies of HCV and the development of antiviral drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lohmann, V -- Korner, F -- Koch, J -- Herian, U -- Theilmann, L -- Bartenschlager, R -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):110-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Virology, Johannes-Gutenberg University Mainz, Obere Zahlbacher Strasse 67, 55131 Mainz, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10390360" target="_blank"〉PubMed〈/a〉
    Keywords: Carcinoma, Hepatocellular ; Cloning, Molecular ; Drug Resistance ; *Genome, Viral ; Gentamicins/pharmacology ; Hepacivirus/genetics/*physiology ; Hepatitis C/virology ; Humans ; Liver Neoplasms ; RNA, Viral/*biosynthesis/genetics ; *Replicon ; Transfection ; Tumor Cells, Cultured/*virology ; Viral Nonstructural Proteins/analysis/genetics ; Virus Cultivation ; *Virus Replication
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    Apoptosis of T cells mediated by Ca2+-induced release of the transcription factor MEF2 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: T cell receptor (TCR)-induced apoptosis of thymocytes is mediated by calcium-dependent expression of the steroid receptors Nur77 and Nor1. Nur77 expression is controlled by the transcription factor myocyte enhancer factor 2 (MEF2), but how MEF2 is activated by calcium signaling is still obscure. Cabin1, a calcineurin inhibitor, was found to regulate MEF2. MEF2 was normally sequestered by Cabin1 in a transcriptionally inactive state. TCR engagement led to an increase in intracellular calcium concentration and the dissociation of MEF2 from Cabin1, as a result of competitive binding of activated calmodulin to Cabin1. The interplay between Cabin1, MEF2, and calmodulin defines a distinct signaling pathway from the TCR to the Nur77 promoter during T cell apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Youn, H D -- Sun, L -- Prywes, R -- Liu, J O -- GM55783/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):790-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Cancer Research, Department of Biology, Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10531067" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; *Apoptosis ; Calcineurin/chemistry/genetics/metabolism/pharmacology ; Calcium/metabolism ; *Calcium Signaling ; Calmodulin/metabolism ; Cell Line ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Gene Expression ; Genes, Reporter ; Humans ; Jurkat Cells ; MEF2 Transcription Factors ; Myogenic Regulatory Factors ; Nuclear Receptor Subfamily 4, Group A, Member 1 ; Phosphoproteins/chemistry/genetics/metabolism/pharmacology ; Receptors, Antigen, T-Cell/metabolism ; Receptors, Cytoplasmic and Nuclear ; Receptors, Steroid ; T-Lymphocytes/*cytology/*metabolism ; Transcription Factors/chemistry/genetics/*metabolism ; Transcription, Genetic ; Two-Hybrid System Techniques
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    Predictive evolution (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hillis, D M -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1866-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Integrative Biology and Institute of Cellular and Molecular Biology, School of Biological Sciences, University of Texas, Austin, TX 78712, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610576" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; *Antigenic Variation ; Codon ; *Evolution, Molecular ; Forecasting ; Genes, Viral ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/*genetics/immunology ; Humans ; Influenza A virus/*genetics/immunology ; Influenza, Human/*virology ; *Phylogeny ; Protein Structure, Tertiary ; Selection, Genetic
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    Neuronal protection in stroke by an sLex-glycosylated complement inhibitory protein (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-27
    Description: Glycoprotein adhesion receptors such as selectins contribute to tissue injury in stroke. Ischemic neurons strongly expressed C1q, which may target them for complement-mediated attack or C1qRp-mediated clearance. A hybrid molecule was used to simultaneously inhibit both complement activation and selectin-mediated adhesion. The extracellular domain of soluble complement receptor-1 (sCR1) was sialyl Lewis x glycosylated (sCR1sLex) to inhibit complement activation and endothelial-platelet-leukocyte interactions. sCR1 and sCR1sLex colocalized to ischemic cerebral microvessels and C1q-expressing neurons, inhibited neutrophil and platelet accumulation, and reduced cerebral infarct volumes. Additional benefit was conferred by sialyl Lewis x glycosylation of the unmodified parent sCR1 molecule.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, J -- Kim, L J -- Mealey, R -- Marsh, H C Jr -- Zhang, Y -- Tenner, A J -- Connolly, E S Jr -- Pinsky, D J -- R01 HL55397/HL/NHLBI NIH HHS/ -- R01 HL59488/HL/NHLBI NIH HHS/ -- R01 NS35144/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Jul 23;285(5427):595-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Columbia University, College of Physicians and Surgeons, 630 West 168th Street, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10417391" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Platelets/physiology ; Cell Adhesion ; Cerebral Cortex/blood supply/immunology/metabolism ; Cerebral Infarction/drug therapy ; Cerebrovascular Circulation ; Cerebrovascular Disorders/*drug therapy/immunology/physiopathology ; Complement Activation ; Complement C1q/metabolism ; Glycosylation ; Humans ; Ischemic Attack, Transient/*drug therapy/immunology/physiopathology ; Leukocytes/physiology ; Mice ; Neurons/immunology/metabolism ; Neuroprotective Agents/administration & dosage/adverse ; effects/metabolism/*therapeutic use ; Neutrophils/physiology ; Oligosaccharides/administration & dosage/adverse effects/metabolism/*therapeutic ; use ; Platelet Adhesiveness ; Receptors, Complement/administration & dosage/metabolism/*therapeutic use ; Reperfusion Injury/drug therapy/immunology/metabolism ; Selectins/metabolism ; Time Factors
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    Monkey numeration (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stocklin, P L -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1851-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206890" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Discrimination (Psychology) ; Humans ; Macaca mulatta/*psychology ; *Mathematics ; *Mental Processes
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    TB vaccines: global solutions for global problems (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, D B -- Robertson, B D -- New York, N.Y. -- Science. 1999 May 28;284(5419):1479-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Infectious Diseases and Microbiology, Imperial College School of Medicine, London, UK. d.young@ic.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383326" target="_blank"〉PubMed〈/a〉
    Keywords: BCG Vaccine/*genetics/immunology ; *Gene Deletion ; Genetic Techniques ; Genetic Variation ; *Genome, Bacterial ; Humans ; Mycobacterium bovis/*genetics ; Mycobacterium tuberculosis/*genetics
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    Storage and executive processes in the frontal lobes (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-12
    Description: The human frontal cortex helps mediate working memory, a system that is used for temporary storage and manipulation of information and that is involved in many higher cognitive functions. Working memory includes two components: short-term storage (on the order of seconds) and executive processes that operate on the contents of storage. Recently, these two components have been investigated in functional neuroimaging studies. Studies of storage indicate that different frontal regions are activated for different kinds of information: storage for verbal materials activates Broca's area and left-hemisphere supplementary and premotor areas; storage of spatial information activates the right-hemisphere premotor cortex; and storage of object information activates other areas of the prefrontal cortex. Two of the fundamental executive processes are selective attention and task management. Both processes activate the anterior cingulate and dorsolateral prefrontal cortex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, E E -- Jonides, J -- New York, N.Y. -- Science. 1999 Mar 12;283(5408):1657-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Mental Health Research Institute, University of Michigan, Ann Arbor, MI 48109-1109, USA. eesmith@umich.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10073923" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Attention/physiology ; Cognition/*physiology ; Frontal Lobe/*physiology/radionuclide imaging ; Humans ; Magnetic Resonance Imaging ; Memory/*physiology ; Memory, Short-Term/*physiology ; Prefrontal Cortex/physiology/radionuclide imaging ; Tomography, Emission-Computed
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    Communication goes multimodal (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Partan, S -- Marler, P -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1272-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Animal Behavior, University of California, Davis, CA 95616, USA. srpartan@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10084931" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Communication ; Animals ; *Communication ; Cues ; Facial Expression ; Female ; Humans ; Male ; Pheromones/physiology ; Speech Perception ; Vocalization, Animal
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    The heroin prescribing debate: integrating science and politics (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bammer, G -- Dobler-Mikola, A -- Fleming, P M -- Strang, J -- Uchtenhagen, A -- New York, N.Y. -- Science. 1999 May 21;284(5418):1277-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Centre for Epidemiology and Population Health, Australian National University, Canberra ACT 0200, Australia. Gabriele.Bammer@anu.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383306" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Costs and Cost Analysis ; Drug Prescriptions ; Heroin/administration & dosage/*therapeutic use ; Heroin Dependence/*rehabilitation ; Humans ; Injections ; Methadone/administration & dosage ; Narcotics/administration & dosage/*therapeutic use ; Politics ; Randomized Controlled Trials as Topic ; Risk
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    Climate and health (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Epstein, P R -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):347-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Health and the Global Environment, Harvard Medical School, Boston, MA 02115, USA. paul_epstein@hms.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10438299" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern/epidemiology ; Animals ; *Climate ; Communicable Disease Control ; Communicable Diseases/*epidemiology/etiology ; Disease Outbreaks ; Ecosystem ; Forecasting ; *Global Health ; Humans ; Rift Valley Fever/*epidemiology/etiology/veterinary ; *Weather
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    T cell production slowed, not exhausted? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 1999 Jan 15;283(5400):305-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925480" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/therapeutic use ; CD4 Lymphocyte Count ; Cell Division ; HIV Infections/drug therapy/*immunology ; Humans ; Lymphocyte Count ; T-Lymphocytes/cytology/*immunology
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    X-ray crystallographic structure of the Norwalk virus capsid (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: Norwalk virus, a noncultivatable human calicivirus, is the major cause of epidemic gastroenteritis in humans. The first x-ray structure of a calicivirus capsid, which consists of 180 copies of a single protein, has been determined by phase extension from a low-resolution electron microscopy structure. The capsid protein has a protruding (P) domain connected by a flexible hinge to a shell (S) domain that has a classical eight-stranded beta-sandwich motif. The structure of the P domain is unlike that of any other viral protein with a subdomain exhibiting a fold similar to that of the second domain in the eukaryotic translation elongation factor-Tu. This subdomain, located at the exterior of the capsid, has the largest sequence variation among Norwalk-like human caliciviruses and is likely to contain the determinants of strain specificity and cell binding.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prasad, B V -- Hardy, M E -- Dokland, T -- Bella, J -- Rossmann, M G -- Estes, M K -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):287-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Verna and Marrs Mclean Department of Biochemistry, Division of Molecular Virology, Baylor College of Medicine, Houston, TX 77030, USA. bprasad@bcm.tmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10514371" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Capsid/*chemistry/metabolism ; *Capsid Proteins ; Cryoelectron Microscopy ; Crystallography, X-Ray ; Dimerization ; Genome, Viral ; Humans ; Hydrogen Bonding ; Image Processing, Computer-Assisted ; Models, Molecular ; Molecular Sequence Data ; Norwalk virus/*chemistry/genetics/physiology ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Recombinant Proteins/chemistry ; Virus Assembly
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    The mammalian gene collection (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: The Mammalian Gene Collection (MGC) project is a new effort by the NIH to generate full-length complementary DNA (cDNA) resources. This project will provide publicly accessible resources to the full research community. The MGC project entails the production of libraries, sequencing, and database and repository development, as well as the support of library construction, sequencing, and analytic technologies dedicated to the goal of obtaining a full set of human and other mammalian full-length (open reading frame) sequences and clones of expressed genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strausberg, R L -- Feingold, E A -- Klausner, R D -- Collins, F S -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):455-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, National Human Genome Research Institute, 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/10521335" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Computational Biology ; DNA, Complementary ; Databases, Factual ; Expressed Sequence Tags ; *Gene Library ; *Genome ; *Genome, Human ; Humans ; Mammals/*genetics ; Mice ; National Institutes of Health (U.S.) ; Private Sector ; Public Sector ; *Sequence Analysis, DNA ; United States
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    Structural maturation of neural pathways in children and adolescents: in vivo study (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-19
    Description: Structural maturation of fiber tracts in the human brain, including an increase in the diameter and myelination of axons, may play a role in cognitive development during childhood and adolescence. A computational analysis of structural magnetic resonance images obtained in 111 children and adolescents revealed age-related increases in white matter density in fiber tracts constituting putative corticospinal and frontotemporal pathways. The maturation of the corticospinal tract was bilateral, whereas that of the frontotemporal pathway was found predominantly in the left (speech-dominant) hemisphere. These findings provide evidence for a gradual maturation, during late childhood and adolescence, of fiber pathways presumably supporting motor and speech functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paus, T -- Zijdenbos, A -- Worsley, K -- Collins, D L -- Blumenthal, J -- Giedd, J N -- Rapoport, J L -- Evans, A C -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1908-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Montreal Neurological Institute, McGill University, 3801 University Street, Montreal, Quebec H3A 2B4, Canada. tomas@bic.mni.mcgill.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10082463" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; *Aging ; Axons/physiology/ultrastructure ; Brain/anatomy & histology/*growth & development ; Brain Mapping ; Child ; Child, Preschool ; Female ; Frontal Lobe/anatomy & histology/growth & development ; Humans ; Magnetic Resonance Imaging ; Male ; Motor Skills ; Myelin Sheath/ultrastructure ; Nerve Fibers/ultrastructure ; Neural Conduction ; Neural Pathways/anatomy & histology/*growth & development ; Regression Analysis ; Speech ; Spinal Cord/anatomy & histology ; Synaptic Transmission ; Temporal Lobe/anatomy & histology/growth & development
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    Brain, heal thyself (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lowenstein, D H -- Parent, J M -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1126-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology and the Epilepsy Research Laboratory, University of California, San Francisco, CA 94143-0114, USA. dhl@itsa.ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10075572" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/cytology/*physiology ; Cell Differentiation ; Cell Division ; Cell Movement ; Growth Substances/physiology ; Humans ; Nerve Net/cytology/physiology ; Neuroglia/cytology/*physiology ; Neurons/cytology/*physiology ; *Regeneration ; Spinal Cord/cytology/*physiology ; Stem Cells/*physiology
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    AIDS researchers blast NIH peer review plan (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2047.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523193" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; *Peer Review, Research ; *Research ; United States
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    Emerging infectious diseases: public health issues for the 21st century (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: Infectious diseases are the third leading cause of death in the United States and the leading cause worldwide. As the new millennium approaches, the public health community must replenish capacity depleted during years of inadequate funding while simultaneously incorporating new technologies and planning for the longer term. Among the challenges facing the public health community is the need for coordinated, global, multisectoral approaches to preventing and controlling complex infectious disease problems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Binder, S -- Levitt, A M -- Sacks, J J -- Hughes, J M -- New York, N.Y. -- Science. 1999 May 21;284(5418):1311-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Parasitic Diseases, National Center for Infectious Diseases (NCID), Centers for Disease Control and Prevention (CDC), F-22, 4770 Buford Highway, NE, Atlanta, GA 30341, USA. scb1@cdc.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334978" target="_blank"〉PubMed〈/a〉
    Keywords: *Communicable Disease Control/trends ; *Communicable Diseases/diagnosis/epidemiology/mortality ; Drug Resistance, Microbial ; Environmental Health ; Global Health ; Humans ; Population Surveillance ; *Public Health Practice ; Socioeconomic Factors ; United States/epidemiology ; Vaccination
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    Pharmacogenomics: translating functional genomics into rational therapeutics (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: Genetic polymorphisms in drug-metabolizing enzymes, transporters, receptors, and other drug targets have been linked to interindividual differences in the efficacy and toxicity of many medications. Pharmacogenomic studies are rapidly elucidating the inherited nature of these differences in drug disposition and effects, thereby enhancing drug discovery and providing a stronger scientific basis for optimizing drug therapy on the basis of each patient's genetic constitution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Evans, W E -- Relling, M V -- R01 CA51001/CA/NCI NIH HHS/ -- R01 CA78224/CA/NCI NIH HHS/ -- R37 CA36401/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):487-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN 38105, USA. williams.evans@stjude.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10521338" target="_blank"〉PubMed〈/a〉
    Keywords: Carrier Proteins/genetics/metabolism ; Chemistry, Pharmaceutical ; Drug Design ; *Drug Therapy ; Drug-Related Side Effects and Adverse Reactions ; Humans ; Pharmaceutical Preparations/*metabolism ; *Pharmacogenetics ; Pharmacokinetics ; Phenotype ; *Polymorphism, Genetic ; Receptors, Drug/genetics/metabolism
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    Phosphorylation and sequestration of serotonin transporters differentially modulated by psychostimulants (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: Many psychotropic drugs interfere with the reuptake of dopamine, norepinephrine, and serotonin. Transport capacity is regulated by kinase-linked pathways, particularly those involving protein kinase C (PKC), resulting in transporter phosphorylation and sequestration. Phosphorylation and sequestration of the serotonin transporter (SERT) were substantially impacted by ligand occupancy. Ligands that can permeate the transporter, such as serotonin or the amphetamines, prevented PKC-dependent SERT phosphorylation. Nontransported SERT antagonists such as cocaine and antidepressants were permissive for SERT phosphorylation but blocked serotonin effects. PKC-dependent SERT sequestration was also blocked by serotonin. These findings reveal activity-dependent modulation of neurotransmitter reuptake and identify previously unknown consequences of amphetamine, cocaine, and antidepressant action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ramamoorthy, S -- Blakely, R D -- DA07390/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):763-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Center for Molecular Neuroscience, School of Medicine, Vanderbilt University, Nashville, TN 37232-6420, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10427004" target="_blank"〉PubMed〈/a〉
    Keywords: Antidepressive Agents/metabolism/pharmacology ; Biogenic Monoamines/metabolism/pharmacology ; Biotinylation ; Carrier Proteins/antagonists & inhibitors/*metabolism ; Cell Line ; Central Nervous System Agents/metabolism/*pharmacology ; Cocaine/metabolism/pharmacology ; Dextroamphetamine/metabolism/pharmacology ; Enzyme Activation ; Humans ; Ligands ; Membrane Glycoproteins/antagonists & inhibitors/*metabolism ; *Membrane Transport Proteins ; Models, Biological ; *Nerve Tissue Proteins ; Neurotransmitter Agents/metabolism/*pharmacology ; Phosphorylation ; Protein Kinase C/metabolism ; Protein Kinases/metabolism ; Serotonin/*metabolism/pharmacology ; Serotonin Antagonists/pharmacology ; Serotonin Plasma Membrane Transport Proteins ; Serotonin Uptake Inhibitors/metabolism/pharmacology ; Tetradecanoylphorbol Acetate/pharmacology
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    Nota bene: biomedicine. Pain-killer genes (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, O -- New York, N.Y. -- Science. 1999 Jun 4;284(5420):1634.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383343" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chronic Disease ; Enkephalin, Methionine/biosynthesis/metabolism ; Enkephalins/*genetics ; Gene Transfer Techniques ; *Genetic Therapy ; Genetic Vectors ; Humans ; Mice ; *Pain Management ; Protein Precursors/*genetics ; Simplexvirus/genetics/physiology ; Spinal Cord/virology ; beta-Endorphin/biosynthesis/cerebrospinal fluid/*genetics
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    Real-time tracking of memory formation in the human rhinal cortex and hippocampus (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-08
    Description: A fundamental question about human memory is which brain structures are involved, and when, in transforming experiences into memories. This experiment sought to identify neural correlates of memory formation with the use of intracerebral electrodes implanted in the brains of patients with temporal lobe epilepsy. Event-related potentials (ERPs) were recorded directly from the medial temporal lobe (MTL) as the patients studied single words. ERPs elicited by words subsequently recalled in a memory test were contrasted with ERPs elicited by unrecalled words. Memory formation was associated with distinct but interrelated ERP differences within the rhinal cortex and the hippocampus, which arose after about 300 and 500 milliseconds, respectively. These findings suggest that declarative memory formation is dissociable into subprocesses and sequentially organized within the MTL.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fernandez, G -- Effern, A -- Grunwald, T -- Pezer, N -- Lehnertz, K -- Dumpelmann, M -- Van Roost, D -- Elger, C E -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1582-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Epileptology, University of Bonn, 53105 Bonn, Germany. gf@mailer.meb.uni-bonn.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10477525" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Analysis of Variance ; Brain Mapping ; Electrodes, Implanted ; Epilepsy, Temporal Lobe/physiopathology ; Evoked Potentials ; Female ; Hippocampus/*physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Memory/*physiology ; Mental Recall/*physiology ; Middle Aged ; Neurons/physiology ; Temporal Lobe/*physiology ; Time Factors
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    The tyrosine kinase negative regulator c-Cbl as a RING-type, E2-dependent ubiquitin-protein ligase (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: Ubiquitination of receptor protein-tyrosine kinases (RPTKs) terminates signaling by marking active receptors for degradation. c-Cbl, an adapter protein for RPTKs, positively regulates RPTK ubiquitination in a manner dependent on its variant SRC homology 2 (SH2) and RING finger domains. Ubiquitin-protein ligases (or E3s) are the components of ubiquitination pathways that recognize target substrates and promote their ligation to ubiquitin. The c-Cbl protein acted as an E3 that can recognize tyrosine-phosphorylated substrates, such as the activated platelet-derived growth factor receptor, through its SH2 domain and that recruits and allosterically activates an E2 ubiquitin-conjugating enzyme through its RING domain. These results reveal an SH2-containing protein that functions as a ubiquitin-protein ligase and thus provide a distinct mechanism for substrate targeting in the ubiquitin system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Joazeiro, C A -- Wing, S S -- Huang, H -- Leverson, J D -- Hunter, T -- Liu, Y C -- CA39780/CA/NCI NIH HHS/ -- R01 DK56558/DK/NIDDK NIH HHS/ -- T32CA09523/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):309-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Salk Institute, Molecular Biology and Virology Laboratory, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10514377" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Line ; Humans ; Ligases/chemistry/*metabolism ; Molecular Sequence Data ; Phosphotyrosine/metabolism ; Point Mutation ; Proto-Oncogene Proteins/chemistry/genetics/*metabolism ; Proto-Oncogene Proteins c-cbl ; Receptor Protein-Tyrosine Kinases/*metabolism ; Receptor, Platelet-Derived Growth Factor beta/metabolism ; Recombinant Fusion Proteins/metabolism ; Sequence Alignment ; Signal Transduction ; *Ubiquitin-Conjugating Enzymes ; Ubiquitin-Protein Ligases ; Ubiquitins/*metabolism ; src Homology Domains
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    Dependence of human stem cell engraftment and repopulation of NOD/SCID mice on CXCR4 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-05
    Description: Stem cell homing and repopulation are not well understood. The chemokine stromal cell-derived factor-1 (SDF-1) and its receptor CXCR4 were found to be critical for murine bone marrow engraftment by human severe combined immunodeficient (SCID) repopulating stem cells. Treatment of human cells with antibodies to CXCR4 prevented engraftment. In vitro CXCR4-dependent migration to SDF-1 of CD34+CD38-/low cells correlated with in vivo engraftment and stem cell function. Stem cell factor and interleukin-6 induced CXCR4 expression on CD34+ cells, which potentiated migration to SDF-1 and engraftment in primary and secondary transplanted mice. Thus, up-regulation of CXCR4 expression may be useful for improving engraftment of repopulating stem cells in clinical transplantation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peled, A -- Petit, I -- Kollet, O -- Magid, M -- Ponomaryov, T -- Byk, T -- Nagler, A -- Ben-Hur, H -- Many, A -- Shultz, L -- Lider, O -- Alon, R -- Zipori, D -- Lapidot, T -- A130389/PHS HHS/ -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):845-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, The Weizmann Institute of Science, Rehovot 76100, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9933168" target="_blank"〉PubMed〈/a〉
    Keywords: ADP-ribosyl Cyclase ; Animals ; Antibodies ; *Antigens, CD ; Antigens, CD34/analysis/immunology ; Antigens, CD38 ; Antigens, Differentiation/analysis ; Chemokine CXCL12 ; Chemokines, CXC/pharmacology/*physiology ; Chemotaxis ; Colony-Forming Units Assay ; Fetal Blood ; Hematopoietic Stem Cell Mobilization ; *Hematopoietic Stem Cell Transplantation ; Hematopoietic Stem Cells/*physiology ; Humans ; Interleukin-6/pharmacology ; Membrane Glycoproteins ; Mice ; Mice, Inbred NOD ; Mice, Knockout ; Mice, SCID ; NAD+ Nucleosidase/analysis ; Receptors, CXCR4/biosynthesis/immunology/*physiology ; Stem Cell Factor/pharmacology ; Tetradecanoylphorbol Acetate/pharmacology ; Up-Regulation
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  • 147
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    Nota bene: medicine. Fear of flying! (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, O -- New York, N.Y. -- Science. 1999 Apr 2;284(5411):61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10215531" target="_blank"〉PubMed〈/a〉
    Keywords: 2S Albumins, Plant ; Allergens/genetics/*immunology ; Anaphylaxis/*prevention & control/therapy ; Animals ; Antigens, Plant ; Arachis/*adverse effects/immunology ; Food Hypersensitivity/*prevention & control/therapy ; Glycoproteins/genetics/*immunology ; Humans ; Immunoglobulin A/blood ; Immunoglobulin E/blood ; Mice ; Plant Proteins ; T-Lymphocytes, Helper-Inducer/immunology ; *Vaccines, DNA/therapeutic use
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    Prospects for in utero human gene therapy (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: Gene therapy for the treatment of disease in children and adults is being actively pursued at many medical centers. However, a number of genetic disorders result in irreversible damage to the fetus before birth. In these cases, as well as for those with genetic diseases who may benefit from therapy before symptoms are manifested, in utero gene therapy (IUGT) could be beneficial. Although some successes with in utero gene transfer have been reported in animals, significant questions remain to be answered before IUGT clinical trials would be acceptable. This review analyzes the state of the art and delineates the studies that still need to be performed before it would be appropriate to consider human IUGT.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zanjani, E D -- Anderson, W F -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2084-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Veterans Administration Medical Center, University of Nevada, Reno, NV 89520, USA. zanjani@scs.unr.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523208" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Fetal Diseases/*therapy ; *Fetus ; Gene Transfer Techniques ; Genetic Diseases, Inborn/*therapy ; *Genetic Therapy/adverse effects ; Genetic Vectors ; Germ Cells ; Hematopoietic Stem Cell Transplantation ; Hematopoietic Stem Cells/cytology/physiology ; Humans ; Pregnancy
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  • 149
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    Phylogenetic perspectives in innate immunity (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: The concept of innate immunity refers to the first-line host defense that serves to limit infection in the early hours after exposure to microorganisms. Recent data have highlighted similarities between pathogen recognition, signaling pathways, and effector mechanisms of innate immunity in Drosophila and mammals, pointing to a common ancestry of these defenses. In addition to its role in the early phase of defense, innate immunity in mammals appears to play a key role in stimulating the subsequent, clonal response of adaptive immunity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffmann, J A -- Kafatos, F C -- Janeway, C A -- Ezekowitz, R A -- New York, N.Y. -- Science. 1999 May 21;284(5418):1313-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular and Cellular Biology, CNRS, Strasbourg, 67084, France. jhoff@ibmc.u-strasbg.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334979" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Culicidae/immunology/microbiology ; Drosophila/immunology/microbiology ; Humans ; Immunity, Active ; *Immunity, Innate ; Infection/*immunology ; Insect Vectors/immunology/microbiology ; Mammals/immunology ; Models, Immunological ; Phagocytosis ; Phylogeny ; Proteins/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Close encounters--an artist shows that size affects shape (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelli, D G -- New York, N.Y. -- Science. 1999 Aug 6;285(5429):844-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, New York University, New York, NY 10003, USA. denis@psych.nyu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10454935" target="_blank"〉PubMed〈/a〉
    Keywords: *Form Perception ; Humans ; *Paintings ; *Pattern Recognition, Visual ; *Size Perception ; Visual Acuity
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    Microbes immunity, and disease. Introduction. Microbe management (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Purnell, B A -- Marx, J -- New York, N.Y. -- Science. 1999 May 21;284(5418):1301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383311" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*pathogenicity ; *Bacterial Infections/immunology/microbiology ; Humans ; *Immunity ; *Infection/immunology/microbiology
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    Cancer research. A new way to combat therapy side effects (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferber, D -- New York, N.Y. -- Science. 1999 Sep 10;285(5434):1651, 1653.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10523177" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/*adverse effects ; Apoptosis/*drug effects ; Benzothiazoles ; Cell Division/drug effects/radiation effects ; Cells, Cultured ; Drug Evaluation, Preclinical ; Gamma Rays/*adverse effects ; Humans ; Mice ; Neoplasms/drug therapy/radiotherapy/*therapy ; Radiation Dosage ; Radiation Tolerance/*drug effects ; Thiazoles/*pharmacology ; Toluene/*analogs & derivatives/pharmacology ; Tumor Suppressor Protein p53/*antagonists & inhibitors/physiology
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  • 153
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    A molecular mechanism for electrical tuning of cochlear hair cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-08
    Description: Cochlear frequency selectivity in lower vertebrates arises in part from electrical tuning intrinsic to the sensory hair cells. The resonant frequency is determined largely by the gating kinetics of calcium-activated potassium (BK) channels encoded by the slo gene. Alternative splicing of slo from chick cochlea generated kinetically distinct BK channels. Combination with accessory beta subunits slowed the gating kinetics of alpha splice variants but preserved relative differences between them. In situ hybridization showed that the beta subunit is preferentially expressed by low-frequency (apical) hair cells in the avian cochlea. Interaction of beta with alpha splice variants could provide the kinetic range needed for electrical tuning of cochlear hair cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ramanathan, K -- Michael, T H -- Jiang, G J -- Hiel, H -- Fuchs, P A -- DC00276/DC/NIDCD NIH HHS/ -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):215-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Hearing Sciences, Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9880252" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Animals ; Calcium/metabolism ; Cell Line ; Electrophysiology ; Gene Expression ; Hair Cells, Auditory/*physiology ; Humans ; In Situ Hybridization ; *Ion Channel Gating ; Kinetics ; Large-Conductance Calcium-Activated Potassium Channel beta Subunits ; Large-Conductance Calcium-Activated Potassium Channels ; Membrane Potentials ; Patch-Clamp Techniques ; Potassium Channels/genetics/*physiology ; *Potassium Channels, Calcium-Activated ; Quail ; RNA, Messenger/genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Transfection
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    Lyme disease. Patients scarce in test of long-term therapy (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1431.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206865" target="_blank"〉PubMed〈/a〉
    Keywords: Ceftriaxone/administration & dosage/*therapeutic use ; Chronic Disease ; Doxycycline/administration & dosage/*therapeutic use ; Drug Therapy, Combination/administration & dosage/therapeutic use ; Humans ; Insurance, Health, Reimbursement ; Lyme Disease/*drug therapy ; Mid-Atlantic Region ; New England ; *Patient Selection ; *Randomized Controlled Trials as Topic
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    Tuskegee as a metaphor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowman, J E -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):47; author reply 49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428699" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans/*history ; Alabama ; Ethics Committees, Research ; Ethics, Medical/*history ; History, 20th Century ; Human Experimentation/*history ; Humans ; Metaphor ; *Persons ; Pregnant Women ; Syphilis/*history ; United States ; United States Public Health Service ; *Vulnerable Populations ; Withholding Treatment
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  • 156
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    The evolution of species interactions (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: Interactions between species are as evolutionarily malleable as the species themselves and have played a central role in the diversification and organization of life. This malleability creates complex geographic mosaics in interspecific interactions that can evolve rapidly over decades, blurring the distinction between evolutionary time and ecological time and making the study of coevolution crucial for human health and welfare.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, J N -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2116-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Botany and Zoology, Washington State University, Pullman, WA 99164, USA. jnt@wsu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10381869" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Drug Resistance, Microbial ; *Ecosystem ; Humans ; Models, Biological ; Parasites/pathogenicity ; *Selection, Genetic ; Virulence/genetics
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  • 157
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    Tuskegee as a metaphor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lurie, P -- Wolfe, S M -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):47-8; author reply 49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428701" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-HIV Agents/therapeutic use ; *Clinical Trials as Topic ; *Ethics, Medical ; HIV Infections/prevention & control/transmission ; *Human Experimentation ; Humans ; Infectious Disease Transmission, Vertical ; Metaphor ; Needle-Exchange Programs ; Syphilis ; United States ; United States Public Health Service ; Zidovudine/therapeutic use
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  • 158
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    Sex in an age of mechanical reproduction (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Djerassi, C -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):53-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Stanford University, Stanford, CA 94305-5080, USA. djerassi@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428703" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethics ; Female ; *Fertilization in Vitro ; Humans ; Male ; Posthumous Conception ; *Reproductive Techniques
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  • 159
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    Breast cancer detection (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Joseph, L P -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):743.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10336395" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/*diagnosis/etiology/radiography ; Female ; Humans ; Mammography/*adverse effects ; Neoplasms, Radiation-Induced/etiology ; *Thermography
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  • 160
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    Putting stem cells to work (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Solter, D -- Gearhart, J -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1468-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Max Planck Institute of Immunology, Freiburg, Germany. solter@immunbio.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206877" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioethics ; Blastocyst/*cytology ; *Cell Differentiation ; Cell Line ; Cells, Cultured ; Cloning, Organism ; Cytoplasm/physiology ; Embryo, Mammalian/cytology ; Humans ; Mice ; Nuclear Transfer Techniques ; Stem Cells/*cytology
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  • 161
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    A cyclic antimicrobial peptide produced in primate leukocytes by the ligation of two truncated alpha-defensins (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-16
    Description: Analysis of rhesus macaque leukocytes disclosed the presence of an 18-residue macrocyclic, tridisulfide antibiotic peptide in granules of neutrophils and monocytes. The peptide, termed rhesus theta defensin-1 (RTD-1), is microbicidal for bacteria and fungi at low micromolar concentrations. Antibacterial activity of the cyclic peptide was threefold greater than that of an open-chain analog, and the cyclic conformation was required for antimicrobial activity in the presence of 150 millimolar sodium chloride. Biosynthesis of RTD-1 involves the head-to-tail ligation of two alpha-defensin-related nonapeptides, requiring the formation of two new peptide bonds. Thus, host defense cells possess mechanisms for synthesis and granular packaging of macrocyclic antibiotic peptides that are components of the phagocyte antimicrobial armamentarium.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tang, Y Q -- Yuan, J -- Osapay, G -- Osapay, K -- Tran, D -- Miller, C J -- Ouellette, A J -- Selsted, M E -- AI22931/AI/NIAID NIH HHS/ -- DK33506/DK/NIDDK NIH HHS/ -- DK44632/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):498-502.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, College of Medicine, University of California, Irvine, CA 92697, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10521339" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Anti-Bacterial Agents ; Anti-Infective Agents/chemistry/*metabolism/pharmacology ; Bacteria/drug effects ; Cloning, Molecular ; Defensins ; Disulfides/chemistry ; Fungi/drug effects ; Humans ; Leukopoiesis ; Macaca mulatta ; Molecular Sequence Data ; Monocytes/*metabolism ; Neutrophils/*metabolism ; Oligopeptides/chemistry/genetics/metabolism ; Osmolar Concentration ; Peptides, Cyclic/*biosynthesis/chemistry/genetics/pharmacology ; *Protein Biosynthesis ; Protein Conformation ; Protein Precursors/chemistry/genetics/metabolism ; Protein Processing, Post-Translational ; Proteins/chemistry/genetics/pharmacology
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  • 162
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    Assessing the decade of the brain (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, E G -- Mendell, L M -- New York, N.Y. -- Science. 1999 Apr 30;284(5415):739.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10336393" target="_blank"〉PubMed〈/a〉
    Keywords: *Brain ; Humans ; *Neurosciences/economics/manpower ; *Research ; Research Support as Topic ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 163
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    Ancient child burial uncovered in Portugal (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):169.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925474" target="_blank"〉PubMed〈/a〉
    Keywords: Burial/*history ; Child ; History, Ancient ; Humans ; *Paleontology ; Portugal ; *Skeleton
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  • 164
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    Paleoanthropology. Kenyan skeleton shakes ape family tree (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, C -- New York, N.Y. -- Science. 1999 Aug 27;285(5432):1335, 1337.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10490402" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/anatomy & histology ; *Fossils ; History, Ancient ; Hominidae/anatomy & histology/*classification ; Humans ; Kenya ; Paleodontology ; Skeleton ; Terminology as Topic
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  • 165
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    New date for the dawn of dream time (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, C -- New York, N.Y. -- Science. 1999 May 21;284(5418):1243, 1245-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10383297" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Australia ; Biological Evolution ; Burial ; History, Ancient ; *Hominidae/anatomy & histology ; Humans ; Oceanic Ancestry Group/history ; *Paleontology ; Skeleton
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  • 166
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    Keck gives $110 million for USC initiatives (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):651.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10454912" target="_blank"〉PubMed〈/a〉
    Keywords: California ; *Foundations ; *Genetics, Medical ; Humans ; Nervous System Diseases/*genetics ; *Research Support as Topic ; Schools, Medical/*economics
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  • 167
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    No meeting of minds on childhood cancer (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1832-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610570" target="_blank"〉PubMed〈/a〉
    Keywords: Brain Neoplasms/epidemiology/etiology ; Carcinogens, Environmental ; Child ; Humans ; Incidence ; National Institutes of Health (U.S.) ; Neoplasms/diagnosis/*epidemiology/etiology ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/epidemiology/etiology/genetics ; Registries ; United States/epidemiology ; United States Environmental Protection Agency
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  • 168
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    NRC pulled into radiation risk brawl (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1999 Jul 9;285(5425):177-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428707" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Maximum Allowable Concentration ; *National Academy of Sciences (U.S.) ; Public Policy ; *Radiation Dosage ; Radiation Injuries/*etiology ; *Radiation, Ionizing ; United States
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  • 169
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    Planting the seeds of new antimalarial drugs (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ridley, R G -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1502-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Drug Discovery Research and the New Medicines for Malaria Venture, Special Programme for Research and Training in Tropical Diseases, World Health Organization, Geneva, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10498534" target="_blank"〉PubMed〈/a〉
    Keywords: Aldose-Ketose Isomerases/*antagonists & inhibitors/genetics/metabolism ; Animals ; Antimalarials/pharmacokinetics/*pharmacology ; Drug Design ; Enzyme Inhibitors/pharmacology ; Fosfomycin/analogs & derivatives/pharmacokinetics/pharmacology ; *Hemiterpenes ; Humans ; Malaria/*drug therapy/parasitology ; Malaria, Falciparum/drug therapy ; Mice ; Multienzyme Complexes/*antagonists & inhibitors/genetics/metabolism ; Organelles/drug effects/metabolism ; Organophosphorus Compounds/metabolism ; Oxidoreductases/*antagonists & inhibitors/genetics/metabolism ; Plasmodium falciparum/*drug effects/metabolism ; Steroids/metabolism ; Transferases/antagonists & inhibitors/genetics/metabolism
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  • 170
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    Brain transplants? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sikorski, R -- Peters, R -- New York, N.Y. -- Science. 1998 Dec 18;282(5397):2213.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9890829" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Brain Tissue Transplantation ; Cell Differentiation ; Cell Line ; Cell Movement ; Cerebellum/cytology ; Cerebral Ventricles/cytology/embryology ; *Fetal Tissue Transplantation ; Humans ; Mice ; Neuroglia/cytology ; Neurons/cytology ; *Stem Cell Transplantation ; Stem Cells/cytology/enzymology ; beta-N-Acetylhexosaminidases/genetics
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  • 171
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    Neandertals: not so fast (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolpoff, M H -- New York, N.Y. -- Science. 1998 Dec 11;282(5396):1991.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9874646" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; DNA, Mitochondrial/*genetics ; Evolution, Molecular ; Gene Frequency ; Hominidae/*genetics ; Humans ; Mutation ; Phylogeny ; Selection, Genetic
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  • 172
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    Breakthrough of the year. The runners-up (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1998 Dec 18;282(5397):2157-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9890816" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoimmune Diseases/etiology ; Bioethics ; Biological Clocks ; Biotechnology ; Circadian Rhythm ; Drug Design ; Embryo, Mammalian/cytology ; Genome ; Humans ; Neoplasms/prevention & control/therapy ; Potassium Channels/chemistry/metabolism ; *Research ; Sequence Analysis, DNA ; Stem Cells
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  • 173
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    New insights into cystic fibrosis ion channel (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hagmann, M -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):388-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577195" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Animals ; Antigens, Surface/metabolism ; Cell Membrane/metabolism ; Chlorides/metabolism ; Cystic Fibrosis Transmembrane Conductance ; Regulator/chemistry/genetics/*metabolism ; Humans ; *Ion Channel Gating ; Models, Biological ; Mutagenesis ; Nerve Tissue Proteins/metabolism ; Syntaxin 1 ; Xenopus
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  • 174
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    Health care costs (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andreopoulos, S -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):792-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10049122" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology ; Drug Costs ; Genetic Therapy ; *Health Care Costs ; Humans ; *Research
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 175
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    Science over politics (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lanza, R P -- Arrow, K J -- Axelrod, J -- Baltimore, D -- Benacerraf, B -- Bloch, K E -- Bloembergen, N -- Brown, H C -- Brown, M S -- Cibelli, J B -- Cohen, S -- Cooper, L N -- Corey, E J -- Dulbecco, R -- Fischer, E H -- Fitch, V L -- Friedmen, M -- Friedman, M -- Furchgott, R F -- Gell-Mann, M -- Glaser, D A -- Glashow, S L -- Gilbert, W -- Goldstein, J L -- Wilson, R W -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1849-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206888" target="_blank"〉PubMed〈/a〉
    Keywords: *Bioethics ; Biomedical Research ; *Embryo Research ; Embryo, Mammalian/*cytology ; Federal Government ; Government Regulation ; Humans ; Politics ; Research/*legislation & jurisprudence ; Research Support as Topic/legislation & jurisprudence ; *Risk Assessment ; *Stem Cells ; United States ; United States Dept. of Health and Human Services
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  • 176
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    Tuskegee as a metaphor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Corbie-Smith, G -- New York, N.Y. -- Science. 1999 Jul 2;285(5424):47; author reply 49-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10428700" target="_blank"〉PubMed〈/a〉
    Keywords: Alabama ; *Clinical Trials as Topic ; *Ethics, Medical ; *Human Experimentation ; Humans ; Metaphor ; *Needle-Exchange Programs ; Research Design ; Syphilis
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  • 177
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    Nurture helps mold able minds (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, I -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1832-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206886" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Child, Preschool ; *Education ; *Environment ; Genes ; Humans ; Infant ; *Intelligence ; Intelligence Tests ; *Linguistics ; Vocabulary
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  • 178
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    An allele of COL9A2 associated with intervertebral disc disease (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-20
    Description: Intervertebral disc disease is one of the most common musculoskeletal disorders. A number of environmental and anthropometric risk factors may contribute to it, and recent reports have suggested the importance of genetic factors as well. The COL9A2 gene, which codes for one of the polypeptide chains of collagen IX that is expressed in the intervertebral disc, was screened for sequence variations in individuals with intervertebral disc disease. The analysis identified a putative disease-causing sequence variation that converted a codon for glutamine to one for tryptophan in six out of the 157 individuals but in none of 174 controls. The tryptophan allele cosegregated with the disease phenotype in the four families studied, giving a lod score (logarithm of odds ratio) for linkage of 4.5, and subsequent linkage disequilibrium analysis conditional on linkage gave an additional lod score of 7.1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Annunen, S -- Paassilta, P -- Lohiniva, J -- Perala, M -- Pihlajamaa, T -- Karppinen, J -- Tervonen, O -- Kroger, H -- Lahde, S -- Vanharanta, H -- Ryhanen, L -- Goring, H H -- Ott, J -- Prockop, D J -- Ala-Kokko, L -- AR39740/AR/NIAMS NIH HHS/ -- HG00008/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):409-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Collagen Research Unit, Biocenter and Department of Medical Biochemistry, University of Oulu, 90220 Oulu, Finland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10411504" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Alleles ; Amino Acid Substitution ; Case-Control Studies ; Codon ; Collagen/chemistry/*genetics ; *Collagen Type IX ; Female ; Genetic Linkage ; *Genetic Predisposition to Disease ; Humans ; Intervertebral Disc Displacement/*genetics ; Linkage Disequilibrium ; Male ; Middle Aged ; Mutation ; Penetrance ; Polymorphism, Genetic ; Sciatica/*genetics ; Tryptophan/genetics
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  • 179
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    First components found for new kidney filter (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, I -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):225-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577188" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Cells, Cultured ; Chromosomes, Human, Pair 19/genetics ; Cytoskeletal Proteins ; Humans ; Intercellular Junctions/metabolism/ultrastructure ; Kidney Glomerulus/blood supply/chemistry/*metabolism/*ultrastructure ; Membrane Proteins ; Mice ; Mice, Knockout ; Microscopy, Electron ; Mutation ; Nephrotic Syndrome/congenital/genetics/pathology ; Proteins/chemistry/genetics/*metabolism
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  • 180
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    Contact-dependent inhibition of cortical neurite growth mediated by notch signaling (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: The exuberant growth of neurites during development becomes markedly reduced as cortical neurons mature. In vitro studies of neurons from mouse cerebral cortex revealed that contact-mediated Notch signaling regulates the capacity of neurons to extend and elaborate neurites. Up-regulation of Notch activity was concomitant with an increase in the number of interneuronal contacts and cessation of neurite growth. In neurons with low Notch activity, which readily extend neurites, up-regulation of Notch activity either inhibited extension or caused retraction of neurites. Conversely, in more mature neurons that had ceased their growth after establishing numerous connections and displayed high Notch activity, inhibition of Notch signaling promoted neurite extension. Thus, the formation of neuronal contacts results in activation of Notch receptors, leading to restriction of neuronal growth and a subsequent arrest in maturity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sestan, N -- Artavanis-Tsakonas, S -- Rakic, P -- NS14841/NS/NINDS NIH HHS/ -- NS26084/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):741-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Neurobiology, Yale University School of Medicine, New Haven, CT 06510, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10531053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Communication ; Cell Count ; Cell Differentiation ; Cell Movement ; Cell Nucleus/metabolism ; Cell Size ; Cells, Cultured ; Cerebral Cortex/*cytology/embryology ; Contact Inhibition ; Humans ; Ligands ; Membrane Proteins/*metabolism ; Mice ; Mitosis ; Neurites/chemistry/*physiology ; Neurons/*cytology/metabolism ; Protein Structure, Tertiary ; Receptor, Notch1 ; Receptor, Notch2 ; Receptors, Cell Surface/*metabolism ; Signal Transduction ; *Transcription Factors ; Transcriptional Activation ; Up-Regulation
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  • 181
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    Crystal structure of the ectodomain of human transferrin receptor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: The transferrin receptor (TfR) undergoes multiple rounds of clathrin-mediated endocytosis and reemergence at the cell surface, importing iron-loaded transferrin (Tf) and recycling apotransferrin after discharge of iron in the endosome. The crystal structure of the dimeric ectodomain of the human TfR, determined here to 3.2 angstroms resolution, reveals a three-domain subunit. One domain closely resembles carboxy- and aminopeptidases, and features of membrane glutamate carboxypeptidase can be deduced from the TfR structure. A model is proposed for Tf binding to the receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawrence, C M -- Ray, S -- Babyonyshev, M -- Galluser, R -- Borhani, D W -- Harrison, S C -- New York, N.Y. -- Science. 1999 Oct 22;286(5440):779-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Children's Hospital Laboratory of Molecular Medicine, 320 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10531064" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; CHO Cells ; Carboxypeptidases/chemistry ; Cell Membrane/chemistry ; Conserved Sequence ; Cricetinae ; Crystallography, X-Ray ; Dimerization ; Ferric Compounds/metabolism ; Glycosylation ; Humans ; Hydrogen-Ion Concentration ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, Transferrin/*chemistry/metabolism ; Transferrin/metabolism
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    Mining the genome for drugs (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, I -- New York, N.Y. -- Science. 1999 Aug 13;285(5430):998-1001.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10475849" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis Regulatory Proteins ; *Biotechnology ; Chemokines, CC/genetics/therapeutic use ; Clinical Trials as Topic ; *Drug Industry ; Endothelial Growth Factors/genetics ; Fibroblast Growth Factor 10 ; Fibroblast Growth Factor 7 ; *Fibroblast Growth Factors ; Genetic Therapy ; *Genetics, Medical ; *Genome, Human ; Glycoproteins/genetics/therapeutic use ; Growth Substances/genetics/therapeutic use ; Humans ; Lymphokines/genetics ; Membrane Glycoproteins/genetics/therapeutic use ; Osteoprotegerin ; Proteins/genetics/*therapeutic use ; *Receptors, Cytoplasmic and Nuclear ; Receptors, Tumor Necrosis Factor ; TNF-Related Apoptosis-Inducing Ligand ; Tumor Necrosis Factor-alpha/genetics/therapeutic use ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factors
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  • 183
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    Discovery of 'gay gene' questioned (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, I -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):571.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10328731" target="_blank"〉PubMed〈/a〉
    Keywords: *Genetic Linkage ; Homosexuality, Male/*genetics ; Humans ; Male ; *Microsatellite Repeats ; Nuclear Family ; Research Design ; X Chromosome/*genetics
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  • 184
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    Bacterial biofilms: a common cause of persistent infections (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: Bacteria that attach to surfaces aggregate in a hydrated polymeric matrix of their own synthesis to form biofilms. Formation of these sessile communities and their inherent resistance to antimicrobial agents are at the root of many persistent and chronic bacterial infections. Studies of biofilms have revealed differentiated, structured groups of cells with community properties. Recent advances in our understanding of the genetic and molecular basis of bacterial community behavior point to therapeutic targets that may provide a means for the control of biofilm infections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Costerton, J W -- Stewart, P S -- Greenberg, E P -- GM59026/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 May 21;284(5418):1318-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Biofilm Engineering, Montana State University, Bozeman, MT 59717, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334980" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/therapeutic use ; Bacterial Infections/*microbiology ; *Biofilms/drug effects/growth & development ; Cystic Fibrosis/microbiology ; Drug Resistance, Microbial ; Equipment Contamination ; Genes, Bacterial ; Humans ; Lung/microbiology ; Pseudomonas Infections/drug therapy/microbiology ; Pseudomonas aeruginosa/genetics/physiology
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  • 185
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    Silicon chips find role as in vivo pharmacist (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, R F -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):619.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9988654" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Delayed-Action Preparations ; *Drug Delivery Systems ; *Drug Implants ; Electrodes ; Humans ; Silicon ; *Technology, Pharmaceutical
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  • 186
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    Genome maps 10. Comparative genomics. Mammalian radiations. Wall chart (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, S J -- Eisenberg, J F -- Miyamoto, M -- Hedges, S B -- Kumar, S -- Wilson, D E -- Menotti-Raymond, M -- Murphy, W J -- Nash, W G -- Lyons, L A -- Menninger, J C -- Stanyon, R -- Wienberg, J -- Copeland, N G -- Jenkins, N A -- Gellin, J -- Yerle, M -- Andersson, L -- Womack, J -- Broad, T -- Postlethwait, J -- Serov, O -- Bailey, E -- James, M R -- Marshall Graves, J A -- New York, N.Y. -- Science. 1999 Oct 15;286(5439):463-78.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, Frederick, MD, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577209" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Chromosome Mapping ; Chromosome Painting ; *Genome ; *Genome, Human ; Humans ; Mammals/*genetics ; Nucleic Acid Hybridization ; Phylogeny
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    Perspectives: biomedicine. The benefits of recycling (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steel, K P -- New York, N.Y. -- Science. 1999 Aug 27;285(5432):1363-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Institute of Hearing Research, University Park, Nottingham NG7 2RD, UK. karen@ihr.mrc.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10490411" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carrier Proteins/genetics/metabolism ; Cochlea/metabolism ; Cochlear Duct/*metabolism/ultrastructure ; *DNA-Binding Proteins ; Deafness/genetics/*metabolism/pathology ; Endolymph/metabolism ; Evoked Potentials, Auditory, Brain Stem ; Extracellular Matrix Proteins ; Eye Proteins/genetics/metabolism ; Genetic Linkage ; Hair Cells, Auditory/cytology/physiology ; Humans ; Ion Transport ; *Membrane Transport Proteins ; Mice ; Mutation ; Nerve Tissue Proteins/genetics/metabolism ; POU Domain Factors ; Potassium/*metabolism ; Potassium Channels/genetics/metabolism ; Proteins/genetics/metabolism ; Transcription Factors/genetics/*metabolism ; X Chromosome
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  • 188
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    Genetic study shakes up out of Africa theory (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1828.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206882" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; *Biological Evolution ; Evolution, Molecular ; Haplotypes ; *Hominidae/genetics ; Humans ; Mutation ; *Pyruvate Dehydrogenase (Lipoamide) ; Pyruvate Dehydrogenase Complex/genetics ; X Chromosome
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  • 189
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    Identification of a vertebrate sister-chromatid separation inhibitor involved in transformation and tumorigenesis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-20
    Description: A vertebrate securin (vSecurin) was identified on the basis of its biochemical analogy to the Pds1p protein of budding yeast and the Cut2p protein of fission yeast. The vSecurin protein bound to a vertebrate homolog of yeast separins Esp1p and Cut1p and was degraded by proteolysis mediated by an anaphase-promoting complex in a manner dependent on a destruction motif. Furthermore, expression of a stable Xenopus securin mutant protein blocked sister-chromatid separation but did not block the embryonic cell cycle. The vSecurin proteins share extensive sequence similarity with each other but show no sequence similarity to either of their yeast counterparts. Human securin is identical to the product of the gene called pituitary tumor-transforming gene (PTTG), which is overexpressed in some tumors and exhibits transforming activity in NIH 3T3 cells. The oncogenic nature of increased expression of vSecurin may result from chromosome gain or loss, produced by errors in chromatid separation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zou, H -- McGarry, T J -- Bernal, T -- Kirschner, M W -- GM26875/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 16;285(5426):418-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10411507" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Amino Acid Sequence ; *Anaphase ; Anaphase-Promoting Complex-Cyclosome ; Animals ; CDC2 Protein Kinase/metabolism ; Cell Cycle Proteins/chemistry/metabolism ; *Cell Transformation, Neoplastic ; Chromatids/*physiology ; Conserved Sequence ; Cyclin B/metabolism ; Cyclin B1 ; *Endopeptidases ; Fungal Proteins/chemistry/metabolism ; HeLa Cells ; Humans ; Ligases/metabolism ; Mice ; Molecular Sequence Data ; Mutagenesis, Site-Directed ; Neoplasm Proteins/chemistry/genetics/*metabolism ; Neoplasms/etiology ; Nuclear Proteins/chemistry/metabolism ; Oncogene Proteins/chemistry/genetics/*metabolism ; Oncogenes ; *Saccharomyces cerevisiae Proteins ; *Schizosaccharomyces pombe Proteins ; Securin ; Separase ; Spindle Apparatus/metabolism ; *Ubiquitin-Protein Ligase Complexes ; Ubiquitin-Protein Ligases ; Xenopus
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    Stem cells as potential nerve therapy (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steghaus-Kovac, S -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):650-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10454911" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioethics ; Diffuse Cerebral Sclerosis of Schilder/*therapy ; Embryo, Mammalian/cytology ; Financing, Government ; Germany ; Humans ; Mice ; Myelin Sheath/*physiology ; Oligodendroglia/*cytology/physiology/transplantation ; Rats ; Research Support as Topic ; Spinal Cord ; Stem Cells/*cytology/physiology
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    New York's lethal virus came from Middle East, DNA suggests (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, M -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1450-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610538" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bird Diseases/epidemiology/virology ; Birds/virology ; Culex/virology ; DNA, Viral/*genetics ; *Disease Outbreaks ; Humans ; Middle East/epidemiology ; New York/epidemiology ; West Nile Fever/*epidemiology/transmission/veterinary/*virology ; West Nile virus/classification/*genetics/isolation & purification
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Humane science finds sharper and kinder tools (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, E -- New York, N.Y. -- Science. 1999 Nov 5;286(5442):1068-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610517" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; Animal Rights ; *Animal Testing Alternatives ; *Animal Welfare ; Animals ; *Animals, Laboratory ; Drug Evaluation, Preclinical/*methods/standards ; Drug Industry ; Humans ; Internationality ; Oligonucleotide Array Sequence Analysis ; Social Change ; Toxicity Tests/*methods/standards
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  • 193
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    Perforin gene defects in familial hemophagocytic lymphohistiocytosis (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-03
    Description: Familial hemophagocytic lymphohistiocytosis (FHL) is a rare, rapidly fatal, autosomal recessive immune disorder characterized by uncontrolled activation of T cells and macrophages and overproduction of inflammatory cytokines. Linkage analyses indicate that FHL is genetically heterogeneous and linked to 9q21.3-22, 10q21-22, or another as yet undefined locus. Sequencing of the coding regions of the perforin gene of eight unrelated 10q21-22-linked FHL patients revealed homozygous nonsense mutations in four patients and missense mutations in the other four patients. Cultured lymphocytes from patients had defective cytotoxic activity, and immunostaining revealed little or no perforin in the granules. Thus, defects in perforin are responsible for 10q21-22-linked FHL. Perforin-based effector systems are, therefore, involved not only in the lysis of abnormal cells but also in the down-regulation of cellular immune activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stepp, S E -- Dufourcq-Lagelouse, R -- Le Deist, F -- Bhawan, S -- Certain, S -- Mathew, P A -- Henter, J I -- Bennett, M -- Fischer, A -- de Saint Basile, G -- Kumar, V -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1957-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and the Graduate Program in Immunology, University of Texas Southwestern Medical School, Dallas, TX 75235, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10583959" target="_blank"〉PubMed〈/a〉
    Keywords: Antigen-Presenting Cells/immunology ; Cell Death ; Cell Line ; Cells, Cultured ; Chromosome Mapping ; Chromosomes, Human, Pair 10/*genetics ; Codon, Terminator ; Cytoplasmic Granules/chemistry ; Cytotoxicity, Immunologic ; Frameshift Mutation ; Genetic Linkage ; Granzymes ; Heterozygote ; Histiocytosis, Non-Langerhans-Cell/*genetics/immunology ; Humans ; Lymphocyte Activation ; Membrane Glycoproteins/analysis/*genetics/physiology ; Mutation, Missense ; Perforin ; Point Mutation ; Pore Forming Cytotoxic Proteins ; Serine Endopeptidases/analysis ; T-Lymphocytes, Cytotoxic/chemistry/immunology
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    Structure of an E6AP-UbcH7 complex: insights into ubiquitination by the E2-E3 enzyme cascade (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-13
    Description: The E6AP ubiquitin-protein ligase (E3) mediates the human papillomavirus-induced degradation of the p53 tumor suppressor in cervical cancer and is mutated in Angelman syndrome, a neurological disorder. The crystal structure of the catalytic hect domain of E6AP reveals a bilobal structure with a broad catalytic cleft at the junction of the two lobes. The cleft consists of conserved residues whose mutation interferes with ubiquitin-thioester bond formation and is the site of Angelman syndrome mutations. The crystal structure of the E6AP hect domain bound to the UbcH7 ubiquitin-conjugating enzyme (E2) reveals the determinants of E2-E3 specificity and provides insights into the transfer of ubiquitin from the E2 to the E3.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, L -- Kinnucan, E -- Wang, G -- Beaudenon, S -- Howley, P M -- Huibregtse, J M -- Pavletich, N P -- New York, N.Y. -- Science. 1999 Nov 12;286(5443):1321-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cellular Biochemistry and Biophysics Program, Howard Hughes Medical Institute, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10558980" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Angelman Syndrome/genetics ; Binding Sites ; Catalytic Domain ; Conserved Sequence ; Crystallography, X-Ray ; Cysteine/chemistry ; Humans ; Ligases/*chemistry/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Protein Conformation ; Protein Structure, Secondary ; Substrate Specificity ; Ubiquitin-Conjugating Enzymes ; Ubiquitin-Protein Ligases ; Ubiquitins/*metabolism
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  • 195
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    Introducing proteins into the body's cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1466-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10498525" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/*metabolism ; Cells, Cultured ; Drug Carriers ; *Drug Delivery Systems ; Gene Products, tat/chemistry/*metabolism ; Humans ; Mice ; Protein Denaturation ; Protein Folding ; Recombinant Fusion Proteins/administration & dosage/chemistry/*metabolism ; beta-Galactosidase/administration & dosage/chemistry/*metabolism
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    Specific lipopolysaccharide found in cystic fibrosis airway Pseudomonas aeruginosa (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-24
    Description: Cystic fibrosis (CF) patients develop chronic airway infections with Pseudomonas aeruginosa (PA). Pseudomonas aeruginosa synthesized lipopolysaccharide (LPS) with a variety of penta- and hexa-acylated lipid A structures under different environmental conditions. CF patient PA synthesized LPS with specific lipid A structures indicating unique recognition of the CF airway environment. CF-specific lipid A forms containing palmitate and aminoarabinose were associated with resistance to cationic antimicrobial peptides and increased inflammatory responses, indicating that they are likely to be involved in airway disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ernst, R K -- Yi, E C -- Guo, L -- Lim, K B -- Burns, J L -- Hackett, M -- Miller, S I -- R21 R13400/PHS HHS/ -- R55 HL 48888/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1561-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10567263" target="_blank"〉PubMed〈/a〉
    Keywords: Acylation ; Arabinose/analogs & derivatives/analysis/metabolism ; Bacterial Proteins/genetics/physiology ; Cells, Cultured ; Cystic Fibrosis/complications/*microbiology ; Drug Resistance, Microbial ; Humans ; Infant ; Interleukin-8/biosynthesis ; Lipid A/*biosynthesis/*chemistry ; Lipopolysaccharides/chemistry/immunology ; Magnesium/pharmacology ; Mutation ; Palmitates/analysis/metabolism ; Peptides/pharmacology ; Polymyxins/pharmacology ; Pseudomonas Infections/*microbiology ; Pseudomonas aeruginosa/drug effects/genetics/*metabolism/pathogenicity ; Respiratory System/*microbiology ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization ; Virulence
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    Perspectives: molecular medicine. "Sickle cell anemia, a molecular disease" (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strasser, B J -- New York, N.Y. -- Science. 1999 Nov 19;286(5444):1488-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Louis-Jeantet Institute for the History of Medicine, University of Geneva, Geneva, Switzerland. bruno.strasser@medecine.unige.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610548" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Anemia, Sickle Cell/blood/genetics/*history ; Blood Protein Electrophoresis ; Hemoglobin, Sickle/*chemistry/genetics ; Hemoglobins/chemistry/genetics ; History, 20th Century ; Humans ; Molecular Biology/*history ; Nobel Prize
    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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  • 198
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    BRCA1 inhibition of estrogen receptor signaling in transfected cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-21
    Description: Mutations of the breast cancer susceptibility gene BRCA1 confer increased risk for breast, ovarian, and prostatic cancers, but it is not clear why the mutations are associated with these particular tumor types. In transient transfection assays, BRCA1 was found to inhibit signaling by the ligand-activated estrogen receptor (ER-alpha) through the estrogen-responsive enhancer element and to block the transcriptional activation function AF-2 of ER-alpha. These results raise the possibility that wild-type BRCA1 suppresses estrogen-dependent transcriptional pathways related to mammary epithelial cell proliferation and that loss of this ability contributes to tumorigenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fan, S -- Wang, J -- Yuan, R -- Ma, Y -- Meng, Q -- Erdos, M R -- Pestell, R G -- Yuan, F -- Auborn, K J -- Goldberg, I D -- Rosen, E M -- R01-CA75503/CA/NCI NIH HHS/ -- R01-ES09169/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1999 May 21;284(5418):1354-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiation Oncology, Long Island Jewish Medical Center, The Long Island Campus for the Albert Einstein College of Medicine, 270-05 76th Avenue, New Hyde Park, NY 11040, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10334989" target="_blank"〉PubMed〈/a〉
    Keywords: BRCA1 Protein/*physiology ; Breast/cytology ; Breast Neoplasms/etiology ; Cell Division ; Enhancer Elements, Genetic ; Epithelial Cells/cytology ; Estradiol/metabolism ; Estrogen Receptor alpha ; Female ; Genes, BRCA1 ; Genes, Reporter ; Humans ; Ligands ; Male ; Receptors, Estrogen/*metabolism ; *Signal Transduction ; Transcription Factors/metabolism ; *Transcriptional Activation ; Transfection ; Tumor Cells, Cultured
    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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  • 199
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    Microbes feature as pathogens and pals at gathering (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1999 Jun 18;284(5422):1916-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10400532" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/physiology ; Animals ; Bacteroides/*physiology ; Carbohydrates/biosynthesis ; Humans ; Insect Vectors/immunology/parasitology ; Intestines/metabolism/*microbiology ; Leishmaniasis/immunology/*prevention & control ; Mitochondria/*physiology ; Psychodidae/*immunology/parasitology ; Saliva/immunology ; Yeasts/ultrastructure
    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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  • 200
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    Can mitochondrial clocks keep time? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1435, 1437-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA, Mitochondrial/*genetics ; *Evolution, Molecular ; Female ; Fossils ; Humans ; Male ; Mutation ; Ovum ; *Paleontology ; Recombination, Genetic ; Spermatozoa ; Statistics as Topic
    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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