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  • Male  (1,411)
  • American Association for the Advancement of Science (AAAS)  (1,411)
  • American Institute of Physics
  • American Meteorological Society
  • 2005-2009  (799)
  • 1995-1999  (612)
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  • American Association for the Advancement of Science (AAAS)  (1,411)
  • American Institute of Physics
  • American Meteorological Society
  • Nature Publishing Group (NPG)  (264)
Years
Year
  • 101
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    Characterization of an avian influenza A (H5N1) virus isolated from a child with a fatal respiratory illness (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: An avian H5N1 influenza A virus (A/Hong Kong/156/97) was isolated from a tracheal aspirate obtained from a 3-year-old child in Hong Kong with a fatal illness consistent with influenza. Serologic analysis indicated the presence of an H5 hemagglutinin. All eight RNA segments were derived from an avian influenza A virus. The hemagglutinin contained multiple basic amino acids adjacent to the cleavage site, a feature characteristic of highly pathogenic avian influenza A viruses. The virus caused 87.5 to 100 percent mortality in experimentally inoculated White Plymouth Rock and White Leghorn chickens. These results may have implications for global influenza surveillance and planning for pandemic influenza.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Subbarao, K -- Klimov, A -- Katz, J -- Regnery, H -- Lim, W -- Hall, H -- Perdue, M -- Swayne, D -- Bender, C -- Huang, J -- Hemphill, M -- Rowe, T -- Shaw, M -- Xu, X -- Fukuda, K -- Cox, N -- New York, N.Y. -- Science. 1998 Jan 16;279(5349):393-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Influenza Branch, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9430591" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Chickens ; Child, Preschool ; Disease Outbreaks ; Fatal Outcome ; Female ; Genes, Viral ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/*genetics ; Hong Kong/epidemiology ; Humans ; *Influenza A Virus, H5N1 Subtype ; Influenza A virus/*genetics/isolation & purification/*pathogenicity ; Influenza in Birds/virology ; Influenza, Human/epidemiology/*virology ; Male ; Molecular Sequence Data ; Neuraminidase/genetics ; Phylogeny ; Virulence ; Virus Replication
    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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    Impairment of mycobacterial immunity in human interleukin-12 receptor deficiency (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: In humans, interferon gamma (IFN-gamma) receptor deficiency leads to a predisposition to mycobacterial infections and impairs the formation of mature granulomas. Interleukin-12 (IL-12) receptor deficiency was found in otherwise healthy individuals with mycobacterial infections. Mature granulomas were seen, surrounded by T cells and centered with epithelioid and multinucleated giant cells, yet reduced IFN-gamma concentrations were found to be secreted by activated natural killer and T cells. Thus, IL-12-dependent IFN-gamma secretion in humans seems essential in the control of mycobacterial infections, despite the formation of mature granulomas due to IL-12-independent IFN-gamma secretion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altare, F -- Durandy, A -- Lammas, D -- Emile, J F -- Lamhamedi, S -- Le Deist, F -- Drysdale, P -- Jouanguy, E -- Doffinger, R -- Bernaudin, F -- Jeppsson, O -- Gollob, J A -- Meinl, E -- Segal, A W -- Fischer, A -- Kumararatne, D -- Casanova, J L -- New York, N.Y. -- Science. 1998 May 29;280(5368):1432-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM U429, Hopital Necker-Enfants Malades, Paris 75015, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9603732" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cytotoxicity, Immunologic ; Female ; Granuloma/immunology ; Humans ; Hypersensitivity, Delayed ; Interferon-gamma/biosynthesis/immunology/secretion ; Interleukin-12/*immunology ; Killer Cells, Natural/immunology ; Lymphocyte Activation ; Male ; Mice ; Mice, Knockout ; Mutation ; Mycobacterium avium-intracellulare Infection/*immunology ; *Mycobacterium bovis ; Pedigree ; Receptors, Interferon/genetics/immunology ; Receptors, Interleukin/deficiency/*genetics ; Receptors, Interleukin-12 ; T-Lymphocytes/immunology ; Tuberculosis/*immunology
    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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    A gender gap in autoimmunity (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whitacre, C C -- Reingold, S C -- O'Looney, P A -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1277-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Microbiology and Immunology, Ohio State University, Columbus, OH 43210, USA. whitacre.3@osu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10084932" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Formation ; *Autoimmune Diseases/genetics/immunology/therapy ; *Autoimmunity ; Cytokines/biosynthesis/immunology ; Female ; Genetic Predisposition to Disease ; Gonadal Steroid Hormones/physiology ; Hormones/physiology ; Humans ; Immunity, Cellular ; Male ; Pregnancy ; Pregnancy Complications/immunology ; *Sex Characteristics ; Th1 Cells/immunology ; Th2 Cells/immunology
    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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    Requirement for MAPK activation for normal mitotic progression in Xenopus egg extracts (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-13
    Description: The p42 mitogen-activated protein kinase (MAPK) is required for progression through meiotic M phase in Xenopus oocytes. This report examines whether it also plays a role in normal mitotic progression. MAPK was transiently activated during mitosis in cycling Xenopus egg extracts after activation of the cyclin-dependent kinase Cdc2-cyclin B. Interference with MAPK activation by immunodepletion of its activator MEK, or by addition of the MEK inhibitor PD98059, caused precocious termination of mitosis and interfered with production of normal mitotic microtubules. Sustained activation of MAPK arrested extracts in mitosis in the absence of active Cdc2-cyclin B. These findings identify a role for MEK and MAPK in maintaining the mitotic state.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guadagno, T M -- Ferrell, J E Jr -- GM46383/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1312-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Pharmacology, Stanford University School of Medicine, Stanford, CA 94305-5332, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9812894" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CDC2 Protein Kinase/metabolism ; Cyclin B/metabolism ; Enzyme Activation ; Enzyme Inhibitors/pharmacology ; Female ; Flavonoids/pharmacology ; Interphase ; MAP Kinase Kinase 1 ; Male ; Microtubules/metabolism ; Mitogen-Activated Protein Kinase 1/antagonists & inhibitors/*metabolism ; *Mitogen-Activated Protein Kinase Kinases ; *Mitosis ; Ovum/*cytology/enzymology ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism ; Protein-Tyrosine Kinases/antagonists & inhibitors/metabolism ; Recombinant Proteins/metabolism/pharmacology ; Spermatozoa/physiology ; Spindle Apparatus/metabolism ; Xenopus
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 105
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    How embryos may avoid immune attack (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gura, T -- New York, N.Y. -- Science. 1998 Aug 21;281(5380):1122-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9735025" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Embryo, Mammalian/*immunology ; Enzyme Inhibitors/pharmacology ; Female ; Humans ; *Immune Tolerance ; Male ; Mice ; Placenta/enzymology ; Pregnancy ; T-Lymphocytes/*immunology/metabolism ; Trophoblasts/*enzymology ; Tryptophan/analogs & derivatives/*metabolism/pharmacology ; Tryptophan Oxygenase/antagonists & inhibitors/*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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  • 106
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    Mitochondrial recombination? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arctander, P -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2090-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10409064" target="_blank"〉PubMed〈/a〉
    Keywords: DNA, Mitochondrial/*genetics ; Female ; Haplotypes ; Humans ; Male ; Phylogeny ; *Recombination, Genetic
    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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  • 107
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    Genetic clues revise view of Japanese roots (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, D -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1426-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206864" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Anthropology ; Asia ; Asian Continental Ancestry Group/*genetics ; Emigration and Immigration ; Ethnic Groups/genetics ; Female ; Fossils ; *Genetics, Population ; *Haplotypes ; Humans ; Japan ; Male ; Y Chromosome/*genetics
    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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    Ethical loophole closing up for stem cell researchers (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steghaus-Kovac, S -- New York, N.Y. -- Science. 1999 Oct 1;286(5437):31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10532887" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioethics ; Cell Line ; Embryo Research ; Embryo, Mammalian/*cytology ; Female ; Fetus/*cytology ; *Genomic Imprinting ; Germ Cells/*cytology ; Humans ; Male ; Mice ; Stem Cells/*cytology
    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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    Role of NADH shuttle system in glucose-induced activation of mitochondrial metabolism and insulin secretion (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-12
    Description: Glucose metabolism in glycolysis and in mitochondria is pivotal to glucose-induced insulin secretion from pancreatic beta cells. One or more factors derived from glycolysis other than pyruvate appear to be required for the generation of mitochondrial signals that lead to insulin secretion. The electrons of the glycolysis-derived reduced form of nicotinamide adenine dinucleotide (NADH) are transferred to mitochondria through the NADH shuttle system. By abolishing the NADH shuttle function, glucose-induced increases in NADH autofluorescence, mitochondrial membrane potential, and adenosine triphosphate content were reduced and glucose-induced insulin secretion was abrogated. The NADH shuttle evidently couples glycolysis with activation of mitochondrial energy metabolism to trigger insulin secretion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eto, K -- Tsubamoto, Y -- Terauchi, Y -- Sugiyama, T -- Kishimoto, T -- Takahashi, N -- Yamauchi, N -- Kubota, N -- Murayama, S -- Aizawa, T -- Akanuma, Y -- Aizawa, S -- Kasai, H -- Yazaki, Y -- Kadowaki, T -- New York, N.Y. -- Science. 1999 Feb 12;283(5404):981-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Internal Medicine, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan. Tokyo〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9974390" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Aminooxyacetic Acid/pharmacology ; Animals ; Aspartate Aminotransferases/antagonists & inhibitors ; Calcium/metabolism ; Citric Acid Cycle ; Enzyme Inhibitors/pharmacology ; Female ; Gene Targeting ; Glucose/metabolism/*pharmacology ; Glycerolphosphate Dehydrogenase/genetics/metabolism ; Glycolysis ; Insulin/*secretion ; Islets of Langerhans/metabolism/*secretion ; Male ; Membrane Potentials ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mitochondria/*metabolism ; Models, Biological ; Molecular Sequence Data ; NAD/*metabolism ; Pyruvic Acid/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 110
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    Bone marrow as a potential source of hepatic oval cells (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-15
    Description: Bone marrow stem cells develop into hematopoietic and mesenchymal lineages but have not been known to participate in production of hepatocytes, biliary cells, or oval cells during liver regeneration. Cross-sex or cross-strain bone marrow and whole liver transplantation were used to trace the origin of the repopulating liver cells. Transplanted rats were treated with 2-acetylaminofluorene, to block hepatocyte proliferation, and then hepatic injury, to induce oval cell proliferation. Markers for Y chromosome, dipeptidyl peptidase IV enzyme, and L21-6 antigen were used to identify liver cells of bone marrow origin. From these cells, a proportion of the regenerated hepatic cells were shown to be donor-derived. Thus, a stem cell associated with the bone marrow has epithelial cell lineage capability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Petersen, B E -- Bowen, W C -- Patrene, K D -- Mars, W M -- Sullivan, A K -- Murase, N -- Boggs, S S -- Greenberger, J S -- Goff, J P -- New York, N.Y. -- Science. 1999 May 14;284(5417):1168-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA. bryon+@pitt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10325227" target="_blank"〉PubMed〈/a〉
    Keywords: 2-Acetylaminofluorene/pharmacology ; Animals ; Bone Marrow Cells/*cytology ; Bone Marrow Transplantation ; Carbon Tetrachloride/pharmacology ; Cell Differentiation ; Cell Division ; DNA-Binding Proteins/genetics ; Dipeptidyl Peptidase 4/metabolism ; Epithelial Cells/cytology ; Female ; Hematopoietic Stem Cells/cytology ; In Situ Hybridization ; Liver/*cytology/drug effects/physiology ; *Liver Regeneration ; Liver Transplantation ; Male ; *Nuclear Proteins ; Polymerase Chain Reaction ; Rats ; Rats, Inbred F344 ; Rats, Inbred Lew ; Sex-Determining Region Y Protein ; Stem Cells/*cytology ; *Transcription Factors ; Y Chromosome
    Print ISSN: 0036-8075
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  • 111
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    Impaired Fas response and autoimmunity in Pten+/- mice (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: Inactivating mutations in the PTEN tumor suppressor gene, encoding a phosphatase, occur in three related human autosomal dominant disorders characterized by tumor susceptibility. Here it is shown that Pten heterozygous (Pten+/-) mutants develop a lethal polyclonal autoimmune disorder with features reminiscent of those observed in Fas-deficient mutants. Fas-mediated apoptosis was impaired in Pten+/- mice, and T lymphocytes from these mice show reduced activation-induced cell death and increased proliferation upon activation. Phosphatidylinositol (PI) 3-kinase inhibitors restored Fas responsiveness in Pten+/- cells. These results indicate that Pten is an essential mediator of the Fas response and a repressor of autoimmunity and thus implicate the PI 3-kinase/Akt pathway in Fas-mediated apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Cristofano, A -- Kotsi, P -- Peng, Y F -- Cordon-Cardo, C -- Elkon, K B -- Pandolfi, P P -- AR45482/AR/NIAMS NIH HHS/ -- CA-08748/CA/NCI NIH HHS/ -- CA-82328/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Sep 24;285(5436):2122-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics-Molecular Biology Program, Memorial Sloan-Kettering Cancer Center, Sloan-Kettering Institute, 1275 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10497129" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Antinuclear/blood ; Antigens, CD95/*physiology ; *Apoptosis ; Autoimmune Diseases/*immunology/pathology ; B-Lymphocytes/immunology/pathology ; Female ; Heterozygote ; Immunoglobulin G/blood ; Kidney Diseases/*immunology/pathology ; Kidney Glomerulus/immunology/pathology ; Lymphocyte Activation ; Male ; Mice ; Mice, Inbred C57BL ; PTEN Phosphohydrolase ; Phosphatidylinositol 3-Kinases/antagonists & inhibitors/metabolism ; Phosphoric Monoester Hydrolases/genetics/*physiology ; Phosphorylation ; *Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-akt ; T-Lymphocytes/immunology/pathology ; *Tumor Suppressor Proteins
    Print ISSN: 0036-8075
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  • 112
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    Selenium's role in infertility explained (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1999 Aug 27;285(5432):1339.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10490404" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Glutathione Peroxidase/chemistry/*physiology ; Humans ; Infertility, Male/*metabolism ; Male ; Mitochondria/chemistry/enzymology ; Proteins/chemistry/*physiology ; Selenium/deficiency/*physiology ; Selenoproteins ; Solubility ; Spermatogenesis ; Spermatozoa/chemistry/enzymology/*physiology
    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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  • 113
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    Dissociating pain from its anticipation in the human brain (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-18
    Description: The experience of pain is subjectively different from the fear and anxiety caused by threats of pain. Functional magnetic resonance imaging in healthy humans was applied to dissociate neural activation patterns associated with acute pain and its anticipation. Expectation of pain activated sites within the medial frontal lobe, insular cortex, and cerebellum distinct from, but close to, locations mediating pain experience itself. Anticipation of pain can in its own right cause mood changes and behavioral adaptations that exacerbate the suffering experienced by chronic pain patients. Selective manipulations of activity at these sites may offer therapeutic possibilities for treating chronic pain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ploghaus, A -- Tracey, I -- Gati, J S -- Clare, S -- Menon, R S -- Matthews, P M -- Rawlins, J N -- New York, N.Y. -- Science. 1999 Jun 18;284(5422):1979-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Functional Magnetic Resonance Imaging of the Brain, Department of Clinical Neurology, University of Oxford, Oxford OX3 9DU, UK. alex@fmrib.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10373114" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Anxiety/*physiopathology ; Brain/*physiology ; Brain Mapping ; Cerebellum/physiology ; Cerebral Cortex/physiology ; Cues ; Female ; Frontal Lobe/physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Pain/*physiopathology/*psychology ; Pain Measurement ; Perception/*physiology
    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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  • 114
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    Nota bene: neuroscience. For time is the longest distance between two places (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, O -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1504.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10498536" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Amnesia/physiopathology ; Animals ; Brain Mapping ; Hippocampus/*physiology ; Humans ; Male ; Maze Learning ; Memory/*physiology ; Mice ; Neocortex/*physiology ; Temporal Lobe/*physiology ; Time Factors
    Print ISSN: 0036-8075
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  • 115
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    Turning thoughts into actions (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1999 Oct 29;286(5441):888-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577236" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*physiology ; Computer Systems ; Cybernetics ; Electrodes, Implanted ; Electroencephalography ; Female ; Humans ; Male ; Models, Neurological ; Motivation ; Motor Cortex/physiology ; Paralysis/*rehabilitation ; Prostheses and Implants ; Psychomotor Performance/*physiology ; Rats ; *Robotics
    Print ISSN: 0036-8075
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  • 116
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    Processing of the notch ligand delta by the metalloprotease Kuzbanian (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-05
    Description: Signaling by the Notch surface receptor controls cell fate determination in a broad spectrum of tissues. This signaling is triggered by the interaction of the Notch protein with what, so far, have been thought to be transmembrane ligands expressed on adjacent cells. Here biochemical and genetic analyses show that the ligand Delta is cleaved on the surface, releasing an extracellular fragment capable of binding to Notch and acting as an agonist of Notch activity. The ADAM disintegrin metalloprotease Kuzbanian is required for this processing event. These observations raise the possibility that Notch signaling in vivo is modulated by soluble forms of the Notch ligands.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qi, H -- Rand, M D -- Wu, X -- Sestan, N -- Wang, W -- Rakic, P -- Xu, T -- Artavanis-Tsakonas, S -- NS14841/NS/NINDS NIH HHS/ -- NS26084/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jan 1;283(5398):91-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Yale University School of Medicine, Boyer Center for Molecular Medicine, 295 Congress Avenue, New Haven, CT 06536-0812, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9872749" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Cells, Cultured ; Disintegrins/genetics/*metabolism ; Drosophila/embryology/genetics/metabolism ; *Drosophila Proteins ; Female ; Intracellular Signaling Peptides and Proteins ; Ligands ; Male ; Membrane Proteins/genetics/*metabolism ; Metalloendopeptidases/genetics/*metabolism ; Molecular Sequence Data ; Mutation ; Neurons/cytology ; Protein Processing, Post-Translational ; Receptors, Notch ; Signal Transduction ; Transfection
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    Which Jefferson was the father? (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):153-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9925468" target="_blank"〉PubMed〈/a〉
    Keywords: Dna ; *Famous Persons ; Female ; History, 18th Century ; History, 19th Century ; Humans ; Male ; *Paternity ; Politics ; Publishing ; United States ; Y Chromosome
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    Gene skews patterns of inheritance (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1999 Nov 12;286(5443):1269.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10610530" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes/*genetics ; Female ; Genes ; Male ; Mice ; Protein Kinases/*genetics/metabolism ; Sperm Motility/*genetics ; Spermatozoa/*physiology
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    Kennewick man gets his day in the lab (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1239-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10084923" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; History, Ancient ; Humans ; *Indians, North American ; Male ; *Paleontology ; Skeleton ; Skull ; United States ; Washington
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    Male homosexuality: absence of linkage to microsatellite markers at Xq28 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-24
    Description: Several lines of evidence have implicated genetic factors in homosexuality. The most compelling observation has been the report of genetic linkage of male homosexuality to microsatellite markers on the X chromosome. This observation warranted further study and confirmation. Sharing of alleles at position Xq28 was studied in 52 gay male sibling pairs from Canadian families. Four markers at Xq28 were analyzed (DXS1113, BGN, Factor 8, and DXS1108). Allele and haplotype sharing for these markers was not increased over expectation. These results do not support an X-linked gene underlying male homosexuality.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice, G -- Anderson, C -- Risch, N -- Ebers, G -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):665-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Clinical Neurological Sciences, University of Western Ontario, 339 Windermere Road, London, Ontario, Canada, N6A 5A5. grice@julian.uwo.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10213693" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; *Genetic Linkage ; Genotype ; Haplotypes ; Heterozygote ; Homosexuality, Male/*genetics ; Humans ; Male ; *Microsatellite Repeats ; Nuclear Family ; X Chromosome/*genetics
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    Novel endotheliotropic herpesviruses fatal for Asian and African elephants (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-19
    Description: A highly fatal hemorrhagic disease has been identified in 10 young Asian and African elephants at North American zoos. In the affected animals there was ultrastructural evidence for herpesvirus-like particles in endothelial cells of the heart, liver, and tongue. Consensus primer polymerase chain reaction combined with sequencing yielded molecular evidence that confirmed the presence of two novel but related herpesviruses associated with the disease, one in Asian elephants and another in African elephants. Otherwise healthy African elephants with external herpetic lesions yielded herpesvirus sequences identical to that found in Asian elephants with endothelial disease. This finding suggests that the Asian elephant deaths were caused by cross-species infection with a herpesvirus that is naturally latent in, but normally not lethal to, African elephants. A reciprocal relationship may exist for the African elephant disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richman, L K -- Montali, R J -- Garber, R L -- Kennedy, M A -- Lehnhardt, J -- Hildebrandt, T -- Schmitt, D -- Hardy, D -- Alcendor, D J -- Hayward, G S -- 1 K08 AI01526-01/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1171-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Smithsonian, National Zoological Park, Washington, DC 20008, USA. lkrichma@welchlink.welch.jhu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10024244" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Amino Acid Sequence ; Animals ; Animals, Zoo/*virology ; Asia ; Base Sequence ; DNA, Viral/genetics ; DNA-Directed DNA Polymerase/chemistry/genetics ; Elephants/*virology ; Endodeoxyribonucleases/chemistry/genetics ; Endothelium, Vascular/pathology/*virology ; Female ; Genes, Viral ; Hemorrhage/pathology/veterinary/virology ; Herpesviridae/classification/genetics/*isolation & purification ; Herpesviridae Infections/pathology/transmission/*veterinary/virology ; Inclusion Bodies, Viral/ultrastructure ; Male ; Molecular Sequence Data ; Phylogeny ; Polymerase Chain Reaction ; United States ; Viral Proteins/genetics
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    Immortal time: circadian clock properties of rat suprachiasmatic cell lines (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-29
    Description: Cell lines derived from the rat suprachiasmatic nucleus (SCN) were screened for circadian clock properties distinctive of the SCN in situ. Immortalized SCN cells generated robust rhythms in uptake of the metabolic marker 2-deoxyglucose and in their content of neurotrophins. The phase relationship between these rhythms in vitro was identical to that exhibited by the SCN in vivo. Transplantation of SCN cell lines, but not mesencephalic or fibroblast lines, restored the circadian activity rhythm in arrhythmic, SCN-lesioned rats. Thus, distinctive oscillator, pacemaker, and clock properties of the SCN are not only retained but also maintained in an appropriate circadian phase relationship by immortalized SCN progenitors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Earnest, D J -- Liang, F Q -- Ratcliff, M -- Cassone, V M -- NS35822/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jan 29;283(5402):693-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Anatomy and Medical Neurobiology, College of Medicine, Texas A&M University Health Science Center, College Station, TX 77843-1114, USA. dearnest@tamu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9924030" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Clocks ; Brain-Derived Neurotrophic Factor/metabolism ; Cell Line ; Cell Transplantation ; *Circadian Rhythm ; Deoxyglucose/metabolism ; Glucose-6-Phosphate/analogs & derivatives/metabolism ; Glycogen/metabolism ; Graft Survival ; Male ; Motor Activity ; Nerve Growth Factors/metabolism ; Neurons/metabolism/*physiology/transplantation ; Neurotrophin 3 ; Rats ; Rats, Sprague-Dawley ; Stem Cells/cytology/metabolism/*physiology ; Suprachiasmatic Nucleus/*cytology/metabolism/physiology
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    Interactions of prefrontal cortex in relation to awareness in sensory learning (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-29
    Description: In an associative learning paradigm, human subjects could be divided based on whether they were aware that one tone predicted a visual event and another did not. Only aware subjects acquired a differential behavioral response to the tones. Regional cerebral blood flow in left prefrontal cortex showed learning-related changes only in aware subjects. Left prefrontal cortex also showed changes in functional connectivity with contralateral prefrontal cortex, sensory association cortices, and cerebellum. Several of the interacting areas correlated with aware subjects' behavior. These results suggest cerebral processes underlying awareness are mediated through interactions of large-scale neurocognitive systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McIntosh, A R -- Rajah, M N -- Lobaugh, N J -- New York, N.Y. -- Science. 1999 May 28;284(5419):1531-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rotman Research Institute of Baycrest Centre, 3560 Bathurst Street, Toronto, Ontario M6A 2E1, Canada. mcintosh@psych.utoronto.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10348741" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Adult ; Association Learning/*physiology ; *Awareness ; Brain/physiology/radionuclide imaging ; Cerebrovascular Circulation ; Female ; Humans ; Male ; Photic Stimulation ; Prefrontal Cortex/blood supply/*physiology/radionuclide imaging ; Tomography, Emission-Computed
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    Embryonic stem cell-derived glial precursors: a source of myelinating transplants (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-31
    Description: Self-renewing, totipotent embryonic stem (ES) cells may provide a virtually unlimited donor source for transplantation. A protocol that permits the in vitro generation of precursors for oligodendrocytes and astrocytes from ES cells was devised. Transplantation in a rat model of a human myelin disease shows that these ES cell-derived precursors interact with host neurons and efficiently myelinate axons in brain and spinal cord. Thus, ES cells can serve as a valuable source of cell type-specific somatic precursors for neural transplantation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brustle, O -- Jones, K N -- Learish, R D -- Karram, K -- Choudhary, K -- Wiestler, O D -- Duncan, I D -- McKay, R D -- NS33710/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Jul 30;285(5428):754-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuropathology, University of Bonn Medical Center, Sigmund-Freud-Strasse 25, 53105 Bonn, Germany. brustle@uni-bonn.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10427001" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astrocytes/*cytology ; Brain/embryology/metabolism ; Cell Differentiation ; Cell Line ; Cell Movement ; Cerebral Ventricles/embryology/surgery ; Diffuse Cerebral Sclerosis of Schilder/genetics/*therapy ; Embryo, Mammalian/cytology ; Growth Substances/pharmacology ; Humans ; Male ; Mice ; Myelin Basic Protein/biosynthesis ; Myelin Proteolipid Protein/biosynthesis/genetics ; Myelin Sheath/*physiology ; Oligodendroglia/*cytology/metabolism/*transplantation/ultrastructure ; Rats ; Spinal Cord ; Stem Cell Transplantation ; Stem Cells/*cytology
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    Recovering Seveso (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garagna, S -- Rubini, P G -- Redi, C A -- Zuccotti, M -- Meriggi, A -- Fanelli, R -- Facchetti, S -- New York, N.Y. -- Science. 1999 Feb 26;283(5406):1268-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10084930" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Environmental Pollutants/analysis/*toxicity ; Female ; Italy ; Male ; Mutagenicity Tests ; Tetrachlorodibenzodioxin/analysis/*toxicity
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    The predictive value of changes in effective connectivity for human learning (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-05
    Description: During learning, neural responses decrease over repeated exposure to identical stimuli. This repetition suppression is thought to reflect a progressive optimization of neuronal responses elicited by the task. Functional magnetic resonance imaging was used to study the neural basis of associative learning of visual objects and their locations. As expected, activation in specialized cortical areas decreased with time. However, with path analysis it was shown that, in parallel to this adaptation, increases in effective connectivity occurred between distinct cortical systems specialized for spatial and object processing. The time course of these plastic changes was highly correlated with individual learning performance, suggesting that interactions between brain areas underlie associative learning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buchel, C -- Coull, J T -- Friston, K J -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1538-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Wellcome Department of Cognitive Neurology, Institute of Neurology, 12 Queen Square, London WC1N 3BG, UK. c.buechel@fil.ion.ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10066177" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Association Learning/*physiology ; Brain Mapping ; Cerebral Cortex/*physiology ; Echo-Planar Imaging ; Female ; Hippocampus/physiology ; Humans ; Male ; Memory/*physiology ; Parietal Lobe/physiology ; Photic Stimulation ; Temporal Lobe/physiology ; Visual Cortex/physiology ; Visual Pathways/*physiology
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    Synergy between tumor suppressor APC and the beta-catenin-Tcf4 target Tcf1 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-18
    Description: Mutations in APC or beta-catenin inappropriately activate the transcription factor Tcf4, thereby transforming intestinal epithelial cells. Here it is shown that one of the target genes of Tcf4 in epithelial cells is Tcf1. The most abundant Tcf1 isoforms lack a beta-catenin interaction domain. Tcf1(-/-) mice develop adenomas in the gut and mammary glands. Introduction of a mutant APC allele into these mice substantially increases the number of these adenomas. Tcf1 may act as a feedback repressor of beta-catenin-Tcf4 target genes and thus may cooperate with APC to suppress malignant transformation of epithelial cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roose, J -- Huls, G -- van Beest, M -- Moerer, P -- van der Horn, K -- Goldschmeding, R -- Logtenberg, T -- Clevers, H -- New York, N.Y. -- Science. 1999 Sep 17;285(5435):1923-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Center for Biomedical Genetics, Department of Pathology, University Medical Center Utrecht, Post Office Box 85500, 3508 GA Utrecht, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10489374" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/genetics/metabolism/pathology ; Adenomatous Polyposis Coli Protein ; Animals ; Cytoskeletal Proteins/*metabolism ; DNA-Binding Proteins/*genetics/metabolism ; Female ; Gene Expression Regulation, Neoplastic ; Genes, Tumor Suppressor ; Hepatocyte Nuclear Factor 1-alpha ; Humans ; Intestinal Neoplasms/genetics/metabolism/pathology ; Lymphoid Enhancer-Binding Factor 1 ; Male ; Mammary Neoplasms, Experimental/genetics/metabolism/pathology ; Mice ; Neoplasm Proteins/metabolism ; Promoter Regions, Genetic ; T Cell Transcription Factor 1 ; TCF Transcription Factors ; *Trans-Activators ; Transcription Factor 7-Like 2 Protein ; Transcription Factors/*genetics/*metabolism ; Transfection ; Tumor Cells, Cultured ; beta Catenin
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    Rbx1, a component of the VHL tumor suppressor complex and SCF ubiquitin ligase (1999)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1999-04-24
    Description: The von Hippel-Lindau (VHL) tumor suppressor gene is mutated in most human kidney cancers. The VHL protein is part of a complex that includes Elongin B, Elongin C, and Cullin-2, proteins associated with transcriptional elongation and ubiquitination. Here it is shown that the endogenous VHL complex in rat liver also includes Rbx1, an evolutionarily conserved protein that contains a RING-H2 fingerlike motif and that interacts with Cullins. The yeast homolog of Rbx1 is a subunit and potent activator of the Cdc53-containing SCFCdc4 ubiquitin ligase required for ubiquitination of the cyclin-dependent kinase inhibitor Sic1 and for the G1 to S cell cycle transition. These findings provide a further link between VHL and the cellular ubiquitination machinery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kamura, T -- Koepp, D M -- Conrad, M N -- Skowyra, D -- Moreland, R J -- Iliopoulos, O -- Lane, W S -- Kaelin, W G Jr -- Elledge, S J -- Conaway, R C -- Harper, J W -- Conaway, J W -- AG-11085/AG/NIA NIH HHS/ -- GM41628/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):657-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Program in Molecular and Cell Biology, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10213691" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carrier Proteins/chemistry/genetics/*metabolism ; Cell Cycle ; Cell Cycle Proteins/metabolism ; Cell Line ; *Cullin Proteins ; Cyclin-Dependent Kinase Inhibitor Proteins ; *F-Box Proteins ; Fungal Proteins/metabolism ; *Ligases ; Liver ; Male ; Molecular Sequence Data ; Peptide Synthases/*metabolism ; Proteins/*metabolism ; Rats ; Rats, Sprague-Dawley ; Recombinant Fusion Proteins/metabolism ; S-Phase Kinase-Associated Proteins ; SKP Cullin F-Box Protein Ligases ; Saccharomyces cerevisiae/metabolism ; *Saccharomyces cerevisiae Proteins ; Sequence Alignment ; Transcription Factors/metabolism ; *Tumor Suppressor Proteins ; *Ubiquitin-Protein Ligases ; Ubiquitins/*metabolism ; Von Hippel-Lindau Tumor Suppressor Protein
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    Nonproteolytic neuroprotection by human recombinant tissue plasminogen activator (1999)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1999-04-24
    Description: Human recombinant tissue plasminogen activator (tPA) may benefit ischemic stroke patients by dissolving clots. However, independent of thrombolysis, tPA may also have deleterious effects on neurons by promoting excitotoxicity. Zinc neurotoxicity has been shown to be an additional key mechanism in brain injuries. Hence, if tPA affects zinc neurotoxicity, this may provide additional insights into its effect on neuronal death. Independent of its proteolytic action, tPA markedly attenuated zinc-induced cell death in cortical culture, and, when injected into cerebrospinal fluid, also reduced kainate seizure-induced hippocampal neuronal death in adult rats.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Y H -- Park, J H -- Hong, S H -- Koh, J Y -- New York, N.Y. -- Science. 1999 Apr 23;284(5414):647-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Creative Research Initiative Center for the Study of Central Nervous System Zinc and Department of Neurology, University of Ulsan College of Medicine, 388-1 Poongnap-Dong Songpa-Gu, Seoul 138-736, Korea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10213688" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Death/drug effects ; Cells, Cultured ; Cerebral Cortex/cytology ; *Cytoprotection ; Fibrinolysin/pharmacology ; Hippocampus/pathology ; Humans ; Kainic Acid/pharmacology ; Male ; Mice ; N-Methylaspartate/pharmacology ; Neurons/*cytology/drug effects ; Neuroprotective Agents/*pharmacology ; Oxidative Stress ; Rats ; Rats, Sprague-Dawley ; Recombinant Proteins/cerebrospinal fluid/pharmacology ; Seizures/chemically induced/pathology ; Tissue Plasminogen Activator/cerebrospinal fluid/*pharmacology ; Zinc/metabolism/*toxicity
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    Mouse tumor model for neurofibromatosis type 1 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-11
    Description: Neurofibromatosis type 1 (NF1) is an autosomal dominant disorder characterized by increased incidence of benign and malignant tumors of neural crest origin. Mutations that activate the protooncogene ras, such as loss of Nf1, cooperate with inactivating mutations at the p53 tumor suppressor gene during malignant transformation. One hundred percent of mice harboring null Nf1 and p53 alleles in cis synergize to develop soft tissue sarcomas between 3 and 7 months of age. These sarcomas exhibit loss of heterozygosity at both gene loci and express phenotypic traits characteristic of neural crest derivatives and human NF1 malignancies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3079436/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3079436/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, K S -- Klesse, L J -- Velasco-Miguel, S -- Meyers, K -- Rushing, E J -- Parada, L F -- NS34296/NS/NINDS NIH HHS/ -- R01 NS034296/NS/NINDS NIH HHS/ -- R01 NS034296-04/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1999 Dec 10;286(5447):2176-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Developmental Biology and Department of Pathology, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX 75235-9133, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10591653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers, Tumor ; Cell Differentiation ; Cell Transformation, Neoplastic ; Crosses, Genetic ; *Disease Models, Animal ; Female ; *Genes, Neurofibromatosis 1 ; *Genes, p53 ; Heterozygote ; Humans ; Loss of Heterozygosity ; Male ; Mice ; Mice, Inbred C57BL ; Mutation ; Neural Crest/metabolism/pathology ; Neurofibromatosis 1/*genetics/*pathology ; Sarcoma/genetics/*pathology ; Schwann Cells/metabolism/pathology ; Tumor Cells, Cultured
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    Female x male interactions in Drosophila sperm competition (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-08
    Description: In several organisms, the success of a male's sperm in multiply inseminated females depends on the male's genotype. In Drosophila, the female also plays a role in determining which sperm are successful. Pairwise tests among six isogenic lines of Drosophila melanogaster were performed to determine whether there is a genotype-specific interaction in the success of sperm. The success of a particular male's sperm was found to depend on the genotype of the female with which he mates, providing evidence for an interaction with profound evolutionary consequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, A G -- Begun, D J -- Prout, T -- New York, N.Y. -- Science. 1999 Jan 8;283(5399):217-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Pennsylvania State University, University Park, PA 16802, USA. c92@psu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9880253" target="_blank"〉PubMed〈/a〉
    Keywords: Analysis of Variance ; Animals ; *Biological Evolution ; Computer Simulation ; Drosophila melanogaster/genetics/*physiology ; Female ; Genetic Variation ; Genotype ; Male ; Models, Biological ; Sex Characteristics ; *Sexual Behavior, Animal ; Spermatozoa/*physiology
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    Sex determination in malaria parasites (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-30
    Description: A century ago, W. G. MacCallum identified distinct male and female forms in malaria parasites of both birds and humans. Since then, scientists have been puzzled by the high female-to-male ratios of parasites in Plasmodium infections and by the mechanism of sex determination. The sex ratio of malaria parasites was shown to become progressively more male as conditions that allow motility and subsequent fertilization by the male parasites become adverse. This resulted from an increased immune response against male gametes, which coincides with intense host erythropoietic activity. Natural and artificial induction of erythropoiesis in vertebrate hosts provoked a shift toward male parasite production. This change in parasite sex ratio led to reduced reproductive success in the parasite, which suggests that sex determination is adaptive and is regulated by the hematologic state of the host.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paul, R E -- Coulson, T N -- Raibaud, A -- Brey, P T -- New York, N.Y. -- Science. 2000 Jan 7;287(5450):128-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Biochimie et Biologie Moleculaire des Insectes, Institut Pasteur, 25 Rue du Dr. Roux, 75724 Paris Cedex 15, France. topotito@pasteur.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10615046" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/parasitology ; Animals ; Chickens ; Erythrocytes/parasitology ; *Erythropoiesis ; Erythropoietin/pharmacology ; Female ; Malaria/*blood/*parasitology ; Malaria, Avian/blood/parasitology ; Male ; Mice ; Plasmodium/growth & development/*physiology ; Plasmodium gallinaceum/growth & development/*physiology ; Recombinant Proteins/pharmacology ; Reproduction ; Reticulocytes/parasitology ; Sex Determination Processes ; Sex Ratio
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    Partial hormone resistance in mice with disruption of the steroid receptor coactivator-1 (SRC-1) gene (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: The in vivo biological function of a steroid receptor coactivator was assessed in mice in which the SRC-1 gene was inactivated by gene targeting. Although in both sexes the homozygous mutants were viable and fertile, target organs such as uterus, prostate, testis, and mammary gland exhibited decreased growth and development in response to steroid hormones. Expression of RNA encoding TIF2, a member of the SRC-1 family, was increased in the SRC-1 null mutant, perhaps compensating partially for the loss of SRC-1 function in target tissues. The results indicate that SRC-1 mediates steroid hormone responses in vivo and that loss of its coactivator function results in partial resistance to hormone.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, J -- Qiu, Y -- DeMayo, F J -- Tsai, S Y -- Tsai, M J -- O'Malley, B W -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1922-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9506940" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Drug Resistance ; Estradiol/blood/pharmacology ; Female ; Gene Targeting ; Genitalia, Male/drug effects/*growth & development ; Gonadal Steroid Hormones/*pharmacology ; Histone Acetyltransferases ; Male ; Mammary Glands, Animal/drug effects/*growth & development ; Mice ; Nuclear Receptor Coactivator 1 ; Nuclear Receptor Coactivator 2 ; Organ Size/drug effects ; Pregnancy ; Progesterone/blood/pharmacology ; Prostate/drug effects/growth & development ; Stem Cells ; Testis/drug effects/growth & development ; Testosterone/blood/pharmacology ; Transcription Factors/genetics/*physiology ; Uterus/drug effects/*growth & development
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    Distinct mechanism for antidepressant activity by blockade of central substance P receptors (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-11
    Description: The localization of substance P in brain regions that coordinate stress responses and receive convergent monoaminergic innervation suggested that substance P antagonists might have psychotherapeutic properties. Like clinically used antidepressant and anxiolytic drugs, substance P antagonists suppressed isolation-induced vocalizations in guinea pigs. In a placebo-controlled trial in patients with moderate to severe major depression, robust antidepressant effects of the substance P antagonist MK-869 were consistently observed. In preclinical studies, substance P antagonists did not interact with monoamine systems in the manner seen with established antidepressant drugs. These findings suggest that substance P may play an important role in psychiatric disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kramer, M S -- Cutler, N -- Feighner, J -- Shrivastava, R -- Carman, J -- Sramek, J J -- Reines, S A -- Liu, G -- Snavely, D -- Wyatt-Knowles, E -- Hale, J J -- Mills, S G -- MacCoss, M -- Swain, C J -- Harrison, T -- Hill, R G -- Hefti, F -- Scolnick, E M -- Cascieri, M A -- Chicchi, G G -- Sadowski, S -- Williams, A R -- Hewson, L -- Smith, D -- Carlson, E J -- Hargreaves, R J -- Rupniak, N M -- New York, N.Y. -- Science. 1998 Sep 11;281(5383):1640-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Merck Research Laboratories, West Point, PA 19456, USA. Mark_Kramer@merck.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9733503" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Amygdala/drug effects/metabolism ; Animals ; Antidepressive Agents, Second-Generation/adverse ; effects/metabolism/pharmacology/*therapeutic use ; Behavior, Animal/drug effects ; Brain/drug effects/metabolism ; Depressive Disorder/*drug therapy/etiology/metabolism ; Female ; Gerbillinae ; Guinea Pigs ; Humans ; Male ; Middle Aged ; Morpholines/adverse effects/metabolism/pharmacology/*therapeutic use ; *Neurokinin-1 Receptor Antagonists ; Norepinephrine/physiology ; Paroxetine/therapeutic use ; Receptors, Neurokinin-1/metabolism ; Serotonin/physiology ; Stress, Psychological/drug therapy ; Substance P/*antagonists & inhibitors/metabolism ; Vocalization, Animal/drug effects
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  • 135
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    Habitat seen playing larger role in shaping behavior (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, D -- New York, N.Y. -- Science. 1998 Mar 6;279(5356):1454-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9508719" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Environment ; Female ; Food ; *Macaca ; Male ; *Pan troglodytes ; *Pongo pygmaeus ; Social Behavior
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    Solving the brain's energy crisis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1998 May 29;280(5368):1345-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634409" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Brain/*anatomy & histology/growth & development/metabolism ; Digestive System/*anatomy & histology/metabolism ; *Energy Metabolism ; Female ; Genomic Imprinting ; Humans ; Lactation ; Male ; Maternal-Fetal Exchange ; Mice ; Placenta/metabolism ; Pregnancy
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 137
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    Dual modes of aging in Mediterranean fruit fly females (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-14
    Description: The life history of medflies is characterized by two physiological modes with different demographic schedules of fertility and survival: a waiting mode in which both mortality and reproduction are low and a reproductive mode in which mortality is very low at the onset of egg laying but accelerates as eggs are laid. Medflies stay in waiting mode when they are fed only sugar. When fed protein, a scarce resource in the wild, medflies switch to reproductive mode. Medflies that switch from waiting to reproductive mode survive longer than medflies kept in either mode exclusively. An understanding of the physiological shift that occurs between the waiting and reproductive modes may yield information about the fundamental processes that determine longevity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carey, J R -- Liedo, P -- Muller, H G -- Wang, J L -- Vaupel, J W -- AG-08761/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1998 Aug 14;281(5379):996-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, University of California, Davis, CA 95616, USA. jrcarey@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9703516" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/*physiology ; Animals ; Dietary Proteins ; Drosophila ; Female ; Longevity ; Male ; Models, Biological ; Reproduction/physiology
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  • 138
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    Plasma insulin-like growth factor-I and prostate cancer risk: a prospective study (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: Insulin-like growth factor-I (IGF-I) is a mitogen for prostate epithelial cells. To investigate associations between plasma IGF levels and prostate cancer risk, a nested case-control study within the Physicians' Health Study was conducted on prospectively collected plasma from 152 cases and 152 controls. A strong positive association was observed between IGF-I levels and prostate cancer risk. Men in the highest quartile of IGF-I levels had a relative risk of 4.3 (95 percent confidence interval 1.8 to 10.6) compared with men in the lowest quartile. This association was independent of baseline prostate-specific antigen levels. Identification of plasma IGF-I as a predictor of prostate cancer risk may have implications for risk reduction and treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, J M -- Stampfer, M J -- Giovannucci, E -- Gann, P H -- Ma, J -- Wilkinson, P -- Hennekens, C H -- Pollak, M -- CA-42182/CA/NCI NIH HHS/ -- CA-58684/CA/NCI NIH HHS/ -- T32 CA 09001-20/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1998 Jan 23;279(5350):563-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA 02115, USA. jmlchan@hsph.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9438850" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Analysis of Variance ; Case-Control Studies ; Confidence Intervals ; Disease Susceptibility ; Humans ; Insulin-Like Growth Factor Binding Protein 3/blood ; Insulin-Like Growth Factor I/*analysis ; Insulin-Like Growth Factor II/analysis ; Male ; Middle Aged ; Odds Ratio ; Prospective Studies ; Prostate-Specific Antigen/blood ; Prostatic Neoplasms/*etiology ; Reference Values ; Regression Analysis ; Risk ; Risk Factors
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    Why sex? Putting theory to the test (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wuethrich, B -- New York, N.Y. -- Science. 1998 Sep 25;281(5385):1980-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767049" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; Female ; Genome, Human ; Humans ; Male ; *Mutation ; Recombination, Genetic ; Reproduction, Asexual ; Rotifera/genetics/physiology ; Selection, Genetic ; *Sex
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    The NIMH Multisite HIV Prevention Trial: reducing HIV sexual risk behavior. The National Institute of Mental Health (NIMH) Multisite HIV Prevention Trial Group (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-25
    Description: The efficacy of a behavioral intervention to reduce human immunodeficiency virus (HIV) risk behaviors was tested in a randomized, controlled trial with three high-risk populations at 37 clinics from seven sites across the United States. Compared with the 1855 individuals in the control condition, the 1851 participants assigned to a small-group, seven-session HIV risk reduction program reported fewer unprotected sexual acts, had higher levels of condom use, and were more likely to use condoms consistently over a 12-month follow-up period. On the basis of clinical record review, no difference in overall sexually transmitted disease (STD) reinfection rate was found between intervention and control condition participants. However, among men recruited from STD clinics, those assigned to the intervention condition had a gonorrhea incidence rate one-half that of those in the control condition. Intervention condition participants also reported fewer STD symptoms over the 12-month follow-up period. Study outcomes suggest that behavioral interventions can reduce HIV-related sexual risk behavior among low-income women and men served in public health settings. Studies that test strategies for reducing sexual risk behavior over longer periods of time are needed, especially with populations that remain most vulnerable to HIV infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1998 Jun 19;280(5371):1889-94.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9632382" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Condoms ; Female ; HIV Infections/epidemiology/*prevention & control/transmission ; *Health Behavior ; *Health Education ; Health Knowledge, Attitudes, Practice ; Humans ; Male ; National Institute of Mental Health (U.S.) ; Patient Selection ; Risk-Taking ; *Sexual Behavior ; Sexually Transmitted Diseases/epidemiology/prevention & control ; Socioeconomic Factors ; Statistics as Topic ; United States
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    Hairy mice offer hope for baldness remedy (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Nov 27;282(5394):1617,1619.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9867657" target="_blank"〉PubMed〈/a〉
    Keywords: Alopecia/therapy ; Animals ; Cytoskeletal Proteins/genetics/*physiology ; DNA-Binding Proteins/genetics/physiology ; Gene Expression Regulation ; Hair/*growth & development ; Hair Diseases/etiology ; Hair Follicle/*growth & development ; Humans ; Lymphoid Enhancer-Binding Factor 1 ; Male ; Mice ; Mice, Knockout ; Neoplasms/etiology ; *Trans-Activators ; Transcription Factors/genetics/physiology ; beta Catenin
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    Alopecia universalis associated with a mutation in the human hairless gene (1998)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1998-02-21
    Description: There are several forms of hereditary human hair loss, known collectively as alopecias, the molecular bases of which are entirely unknown. A kindred with a rare, recessively inherited type of alopecia universalis was used to search for a locus by homozygosity mapping, and linkage was established in a 6-centimorgan interval on chromosome 8p12 (the logarithm of the odds favoring linkage score was 6.19). The human homolog of a murine gene, hairless, was localized in this interval by radiation hybrid mapping, and a missense mutation was found in affected individuals. Human hairless encodes a putative single zinc finger transcription factor protein with restricted expression in the brain and skin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ahmad, W -- Faiyaz ul Haque, M -- Brancolini, V -- Tsou, H C -- ul Haque, S -- Lam, H -- Aita, V M -- Owen, J -- deBlaquiere, M -- Frank, J -- Cserhalmi-Friedman, P B -- Leask, A -- McGrath, J A -- Peacocke, M -- Ahmad, M -- Ott, J -- Christiano, A M -- HG-00008/HG/NHGRI NIH HHS/ -- P30AR44535/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jan 30;279(5351):720-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Dermatology, Columbia University, 630 West 168 Street, VC-15-526, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9445480" target="_blank"〉PubMed〈/a〉
    Keywords: Alopecia/*genetics ; Amino Acid Sequence ; Animals ; Brain/metabolism ; Chromosome Mapping ; Chromosomes, Human, Pair 8 ; DNA-Binding Proteins/genetics ; Female ; Forkhead Transcription Factors ; Gene Expression ; Genes, Recessive ; Homozygote ; Humans ; Male ; Mice ; Mice, Hairless/genetics ; Microsatellite Repeats ; Molecular Sequence Data ; Mutation ; Pedigree ; Proteins/chemistry/*genetics ; Rats ; Sequence Analysis, DNA ; Sequence Homology, Amino Acid ; Skin/metabolism ; Transcription Factors/genetics ; *Zinc Fingers
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    Requirement for gammadelta T cells in allergic airway inflammation (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: The factors that contribute to allergic asthma are unclear but the resulting condition is considered a consequence of a type-2 T helper (TH2) cell response. In a model of pulmonary allergic inflammation, mice that lacked gammadelta T cells had decreases in specific immunoglobulin E (IgE) and IgG1 and pulmonary interleukin-5 (IL-5) release as well as in eosinophil and T cell infiltration compared with wild-type mice. These responses were restored by administration of IL-4 to gammadelta T cell-deficient mice during the primary immunization. Thus, gammadelta T cells are essential for inducing IL-4-dependent IgE and IgG1 responses and for TH2-mediated airway inflammation to peptidic antigens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zuany-Amorim, C -- Ruffie, C -- Haile, S -- Vargaftig, B B -- Pereira, P -- Pretolani, M -- New York, N.Y. -- Science. 1998 May 22;280(5367):1265-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite de Pharmacologie Cellulaire, Unite Associee Institut Pasteur/INSERM U485, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9596580" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Asthma/*immunology ; Bronchi/immunology ; Bronchial Hyperreactivity/immunology ; Bronchoalveolar Lavage Fluid/immunology ; CD4-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/immunology ; Crosses, Genetic ; Eosinophils/immunology ; Female ; Immunization ; Immunoglobulin E/blood ; Immunoglobulin G/blood ; Interferon-gamma/analysis/biosynthesis ; Interleukin-4/biosynthesis/immunology ; Interleukin-5/analysis/biosynthesis ; Lung/*immunology ; Male ; Mice ; Mice, Inbred BALB C ; Ovalbumin/immunology ; Receptors, Antigen, T-Cell, gamma-delta/*analysis ; T-Lymphocyte Subsets/*immunology ; Th2 Cells/*immunology
    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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    Extended life-span and stress resistance in the Drosophila mutant methuselah (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-30
    Description: Toward a genetic dissection of the processes involved in aging, a screen for gene mutations that extend life-span in Drosophila melanogaster was performed. The mutant line methuselah (mth) displayed approximately 35 percent increase in average life-span and enhanced resistance to various forms of stress, including starvation, high temperature, and dietary paraquat, a free-radical generator. The mth gene predicted a protein with homology to several guanosine triphosphate-binding protein-coupled seven-transmembrane domain receptors. Thus, the organism may use signal transduction pathways to modulate stress response and life-span.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, Y J -- Seroude, L -- Benzer, S -- AG12289/AG/NIA NIH HHS/ -- EY09278/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1998 Oct 30;282(5390):943-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9794765" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Base Sequence ; Cloning, Molecular ; DNA Transposable Elements ; *Drosophila Proteins ; Drosophila melanogaster/*genetics/*physiology ; Female ; Food Deprivation ; GTP-Binding Proteins/chemistry/*genetics/metabolism/physiology ; *Genes, Insect ; Hot Temperature ; Insecticide Resistance ; Longevity/genetics ; Male ; Molecular Sequence Data ; Mutation ; Oxidative Stress ; Paraquat/pharmacology ; Receptors, Cell Surface/chemistry/*genetics/metabolism/physiology ; *Receptors, G-Protein-Coupled ; Signal Transduction
    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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    Identification of LFA-1 as a candidate autoantigen in treatment-resistant Lyme arthritis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-31
    Description: Treatment-resistant Lyme arthritis is associated with immune reactivity to outer surface protein A (OspA) of Borrelia burgdorferi, the agent of Lyme disease, and the major histocompatibility complex class II allele DRB1*0401. The immunodominant epitope of OspA for T helper cells was identified. A homology search revealed a peptide from human leukocyte function-associated antigen-1 (hLFA-1) as a candidate autoantigen. Individuals with treatment-resistant Lyme arthritis, but not other forms of arthritis, generated responses to OspA, hLFA-1, and their highly related peptide epitopes. Identification of the initiating bacterial antigen and a cross-reactive autoantigen may provide a model for development of autoimmune disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gross, D M -- Forsthuber, T -- Tary-Lehmann, M -- Etling, C -- Ito, K -- Nagy, Z A -- Field, J A -- Steere, A C -- Huber, B T -- R01 AR20358/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jul 31;281(5377):703-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Tufts University, Boston, MA 02111 USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9685265" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Algorithms ; Amino Acid Sequence ; Animals ; Antigen Presentation ; Antigens, Surface/immunology/metabolism ; Arthritis, Reactive/drug therapy/*immunology ; Autoantigens/*immunology ; Autoimmune Diseases/*immunology ; Bacterial Outer Membrane Proteins/immunology/metabolism ; Bacterial Vaccines ; Borrelia burgdorferi Group/immunology ; Child ; Cross Reactions ; Female ; HLA-DR Antigens/genetics/immunology/metabolism ; HLA-DRB1 Chains ; Humans ; Immunodominant Epitopes ; *Lipoproteins ; Lyme Disease/drug therapy/*immunology ; Lymphocyte Function-Associated Antigen-1/chemistry/*immunology/metabolism ; Male ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Synovial Fluid/immunology ; T-Lymphocytes, Helper-Inducer/immunology
    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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  • 146
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    The future of long life (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strout, J J -- New York, N.Y. -- Science. 1998 Sep 11;281(5383):1613; author reply 1613-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767026" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Forecasting ; Humans ; Life Expectancy/*trends ; Longevity ; Male ; Mortality/*trends
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 147
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    Fertility therapy may aid gene transfer (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hagmann, M -- New York, N.Y. -- Science. 1999 May 14;284(5417):1097-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10366336" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Fertilization in Vitro ; *Gene Transfer Techniques ; Green Fluorescent Proteins ; Luminescent Proteins/genetics ; Male ; Mice ; Mice, Transgenic ; Microinjections ; Sperm Head/*physiology ; *Transgenes
    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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  • 148
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    More questions about the provider's role (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hagmann, M -- New York, N.Y. -- Science. 1999 Feb 5;283(5403):777.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10049117" target="_blank"〉PubMed〈/a〉
    Keywords: Cultural Characteristics ; *Family ; Female ; Humans ; Male ; *Marriage ; *Paternal Behavior ; Paternity ; *Sexual Behavior
    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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  • 149
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    A direct estimate of the human alphabeta T cell receptor diversity (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-05
    Description: Generation and maintenance of an effective repertoire of T cell antigen receptors are essential to the immune system, yet the number of distinct T cell receptors (TCRs) expressed by the estimated 10(12) T cells in the human body is not known. In this study, TCR gene amplification and sequencing showed that there are about 10(6) different beta chains in the blood, each pairing, on the average, with at least 25 different alpha chains. In the memory subset, the diversity decreased to 1 x 10(5) to 2 x 10(5) different beta chains, each pairing with only a single alpha chain. Thus, the naive repertoire is highly diverse, whereas the memory compartment, here one-third of the T cell population, contributes less than 1 percent of the total diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arstila, T P -- Casrouge, A -- Baron, V -- Even, J -- Kanellopoulos, J -- Kourilsky, P -- New York, N.Y. -- Science. 1999 Oct 29;286(5441):958-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite de Biologie Moleculaire du Gene, INSERM U277, Institut Pasteur, 75724 Paris Cedex 15, France. petteri.arstila@helsinki.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10542151" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Gene Amplification ; Gene Rearrangement, T-Lymphocyte ; *Genetic Variation ; Humans ; Immunologic Memory ; Male ; Receptors, Antigen, T-Cell, alpha-beta/*genetics ; T-Lymphocytes/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 150
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    Nuclear accident. Special treatment set for radiation victim (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, D -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):207, 209.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10577183" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; *Hematopoietic Stem Cell Transplantation ; Humans ; Japan ; Male ; Nitric Acid ; Nuclear Reactors ; Radiation Injuries/*therapy ; *Radioactive Hazard Release ; Uranium Compounds
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  • 151
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    Postnatal sex reversal of the ovaries in mice lacking estrogen receptors alpha and beta (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-22
    Description: Mice lacking estrogen receptors alpha and beta were generated to clarify the roles of each receptor in the physiology of estrogen target tissues. Both sexes of alphabeta estrogen receptor knockout (alphabetaERKO) mutants exhibit normal reproductive tract development but are infertile. Ovaries of adult alphabetaERKO females exhibit follicle transdifferentiation to structures resembling seminiferous tubules of the testis, including Sertoli-like cells and expression of Mullerian inhibiting substance, sulfated glycoprotein-2, and Sox9. Therefore, loss of both receptors leads to an ovarian phenotype that is distinct from that of the individual ERKO mutants, which indicates that both receptors are required for the maintenance of germ and somatic cells in the postnatal ovary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couse, J F -- Hewitt, S C -- Bunch, D O -- Sar, M -- Walker, V R -- Davis, B J -- Korach, K S -- New York, N.Y. -- Science. 1999 Dec 17;286(5448):2328-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Receptor Biology Section, Laboratory of Reproductive and Developmental Toxicology, Laboratory of Experimental Pathology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC 27709, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10600740" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Mullerian Hormone ; Cell Differentiation ; Clusterin ; *Disorders of Sex Development ; Estradiol/physiology ; Estrogen Receptor alpha ; Estrogen Receptor beta ; Female ; Gene Targeting ; Glycoproteins/analysis ; Growth Inhibitors/analysis ; High Mobility Group Proteins/analysis ; Luteinizing Hormone/blood ; Male ; Mice ; Mice, Knockout ; *Molecular Chaperones ; Ovary/*anatomy & histology/cytology/growth & development/*physiology ; Receptors, Estrogen/genetics/*physiology ; SOX9 Transcription Factor ; Seminiferous Tubules/anatomy & histology/cytology ; Sertoli Cells/cytology ; Signal Transduction ; Testicular Hormones/analysis ; Testis/anatomy & histology/cytology/growth & development/physiology ; Transcription Factors/analysis
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  • 152
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    Anthropologists probe bones, stones and molecules (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culotta, E -- New York, N.Y. -- Science. 1999 May 14;284(5417):1109, 1111.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10366340" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology, Physical ; Brain/*anatomy & histology ; DNA, Mitochondrial ; Emigration and Immigration ; *Fossils ; Haplotypes ; Hominidae/*anatomy & histology ; Humans ; Indians, North American/*genetics ; Male ; Siberia ; Skull/anatomy & histology ; Y Chromosome/genetics
    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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  • 153
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    Did cooked tubers spur the evolution of big brains? (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 26;283(5410):2004-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206901" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Brain/*anatomy & histology ; *Cooking ; *Diet ; Female ; *Hominidae/anatomy & histology ; Humans ; Male ; Sex Characteristics ; *Vegetables
    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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  • 154
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    Mammalian transgenesis by intracytoplasmic sperm injection (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-15
    Description: Coinjection of unfertilized mouse oocytes with sperm heads and exogenous DNA encoding either a green fluorescent protein (GFP) or beta-galactosidase reporter produced 64 to 94 percent transgene-expressing embryos, reflecting DNA-sperm head association before coinjection. Nonselective transfer to surrogate mothers of embryos in the GFP series generated about 20 percent offspring expressing the integrated transgene. These data indicate that exogenous DNA can reproducibly be delivered into an oocyte by microinjected spermatozoa and suggest an adaptable method of transgenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Perry, A C -- Wakayama, T -- Kishikawa, H -- Kasai, T -- Okabe, M -- Toyoda, Y -- Yanagimachi, R -- HD-34362/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1999 May 14;284(5417):1180-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Reproductive Biology, University of Hawaii School of Medicine, Honolulu, HI 96822, USA. perry@hawaii.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10325231" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/physiology ; Cell Membrane/physiology ; Culture Techniques ; Embryo Transfer ; Embryonic and Fetal Development ; Female ; *Fertilization in Vitro ; *Gene Transfer Techniques ; Genes, Reporter ; Green Fluorescent Proteins ; Lac Operon ; Luminescent Proteins/genetics ; Male ; Mice ; *Mice, Transgenic/embryology/genetics ; Microinjections ; Morula/physiology ; Oocytes ; Sperm Head/*physiology ; *Transgenes
    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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  • 155
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    From junk bond king to cancer crusader (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, E -- New York, N.Y. -- Science. 1999 Feb 19;283(5405):1100-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10075566" target="_blank"〉PubMed〈/a〉
    Keywords: Clinical Trials as Topic ; *Famous Persons ; *Foundations ; History, 20th Century ; Humans ; Male ; *Prostatic Neoplasms/therapy ; *Research Support as Topic ; Tissue Banks ; United States
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  • 156
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    Turning brain into blood: a hematopoietic fate adopted by adult neural stem cells in vivo (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-23
    Description: Stem cells are found in various organs where they participate in tissue homeostasis by replacing differentiated cells lost to physiological turnover or injury. An investigation was performed to determine whether stem cells are restricted to produce specific cell types, namely, those from the tissue in which they reside. After transplantation into irradiated hosts, genetically labeled neural stem cells were found to produce a variety of blood cell types including myeloid and lymphoid cells as well as early hematopoietic cells. Thus, neural stem cells appear to have a wider differentiation potential than previously thought.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bjornson, C R -- Rietze, R L -- Reynolds, B A -- Magli, M C -- Vescovi, A L -- A.116/Telethon/Italy -- New York, N.Y. -- Science. 1999 Jan 22;283(5401):534-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉NeuroSpheres Limited, 3330 Hospital Drive Northwest, Calgary, AB, Canada T2N 4N1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9915700" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Cells/*cytology/immunology ; Bone Marrow Cells/immunology ; Cell Differentiation ; Cells, Cultured ; Colony-Forming Units Assay ; Female ; H-2 Antigens/analysis ; Hematopoiesis ; Hematopoietic Stem Cells/*cytology ; Lac Operon ; Lymphocytes/cytology/immunology ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Transgenic ; Prosencephalon/*cytology/embryology ; Spleen/cytology ; Stem Cell Transplantation ; Stem Cells/*cytology/immunology
    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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  • 157
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    Cognitive modularity and genetic disorders (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-22
    Description: This study challenges the use of adult neuropsychological models for explaining developmental disorders of genetic origin. When uneven cognitive profiles are found in childhood or adulthood, it is assumed that such phenotypic outcomes characterize infant starting states, and it has been claimed that modules subserving these abilities start out either intact or impaired. Findings from two experiments with infants with Williams syndrome (a phenotype selected to bolster innate modularity claims) indicate a within-syndrome double dissociation: For numerosity judgments, they do well in infancy but poorly in adulthood, whereas for language, they perform poorly in infancy but well in adulthood. The theoretical and clinical implications of these results could lead to a shift in focus for studies of genetic disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paterson, S J -- Brown, J H -- Gsodl, M K -- Johnson, M H -- Karmiloff-Smith, A -- New York, N.Y. -- Science. 1999 Dec 17;286(5448):2355-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurocognitive Development Unit, Institute of Child Health, University College, London WC1N 1EH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10600749" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain/*physiopathology ; Case-Control Studies ; Child, Preschool ; *Cognition ; Down Syndrome/genetics/physiopathology/psychology ; Female ; Humans ; Infant ; *Language Development ; Male ; Matched-Pair Analysis ; Mathematics ; Neuropsychological Tests ; Phenotype ; Vocabulary ; Williams Syndrome/genetics/*physiopathology/psychology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Y chromosomes point to Native American Adam (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hutardo de Mendoza, D -- Braginski, R -- New York, N.Y. -- Science. 1999 Mar 5;283(5407):1439-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206869" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Anthropology ; Asia ; Emigration and Immigration ; Ethnic Groups/genetics ; Europe ; Genetic Markers ; Genetics, Population ; *Haplotypes ; Humans ; Indians, North American/*genetics ; Male ; Mutation ; Y Chromosome/*genetics
    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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    Forging a link between biofilms and disease (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Potera, C -- New York, N.Y. -- Science. 1999 Mar 19;283(5409):1837, 1839.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10206887" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/pharmacology/therapeutic use ; Bacterial Infections/drug therapy/*microbiology ; *Bacterial Physiological Phenomena ; *Biofilms/growth & development ; Cell Wall/chemistry/physiology ; Dental Plaque/microbiology ; Female ; Humans ; Male ; Respiratory Tract Infections/microbiology ; Urologic Diseases/microbiology
    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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  • 160
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    American Society for Cell Biology. Homing in on a sperm receptor (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-01-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- 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/9925473" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins ; Animals ; Female ; Integrin alpha6beta1 ; Integrins/*metabolism ; Male ; Membrane Glycoproteins/*metabolism ; Metalloendopeptidases/*metabolism ; Mice ; Ovum/*metabolism ; Receptors, Cell Surface/*metabolism ; *Sperm-Ovum Interactions ; Spermatozoa/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 161
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    Control of hippocampal morphogenesis and neuronal differentiation by the LIM homeobox gene Lhx5 (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-05-15
    Description: The mammalian hippocampus contains the neural circuitry that is crucial for cognitive functions such as learning and memory. The development of such circuitry is dependent on the generation and correct placement of the appropriate number and types of neurons. Mice lacking function of the LIM homeobox gene Lhx5 showed a defect in hippocampus development. Hippocampal neural precursor cells were specified and proliferated, but many of them failed to either exit the cell cycle or to differentiate and migrate properly. Lhx5 is therefore essential for the regulation of precursor cell proliferation and the control of neuronal differentiation and migration during hippocampal development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Y -- Sheng, H Z -- Amini, R -- Grinberg, A -- Lee, E -- Huang, S -- Taira, M -- Westphal, H -- New York, N.Y. -- Science. 1999 May 14;284(5417):1155-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Mammalian Genes and Development, National Institute of Child Health and Human Development, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10325223" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Patterning ; Cell Differentiation ; Cell Division ; Cell Movement ; Crosses, Genetic ; Dentate Gyrus/cytology/embryology ; Female ; Gene Deletion ; Gene Expression ; *Genes, Homeobox ; Hippocampus/*cytology/*embryology ; Homeodomain Proteins/*genetics/physiology ; Interneurons/cytology ; LIM-Homeodomain Proteins ; Male ; Mice ; Morphogenesis ; Nerve Tissue Proteins/*genetics/physiology ; Neuroglia/cytology ; Neurons/*cytology ; Pyramidal Cells/cytology ; Stem Cells/*cytology ; Transcription Factors
    Print ISSN: 0036-8075
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  • 162
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    Nongenomic transmission across generations of maternal behavior and stress responses in the rat (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-05
    Description: In the rat, variations in maternal care appear to influence the development of behavioral and endocrine responses to stress in the offspring. The results of cross-fostering studies reported here provide evidence for (i) a causal relationship between maternal behavior and stress reactivity in the offspring and (ii) the transmission of such individual differences in maternal behavior from one generation of females to the next. Moreover, an environmental manipulation imposed during early development that alters maternal behavior can then affect the pattern of transmission in subsequent generations. Taken together, these findings indicate that variations in maternal care can serve as the basis for a nongenomic behavioral transmission of individual differences in stress reactivity across generations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Francis, D -- Diorio, J -- Liu, D -- Meaney, M J -- New York, N.Y. -- Science. 1999 Nov 5;286(5442):1155-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Neuroendocrinology Laboratory, Douglas Hospital Research Centre, Department of Psychiatry, McGill University, Montreal, H4H 1R3, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10550053" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/metabolism ; Animals ; Brain/*metabolism ; Corticotropin-Releasing Hormone/*genetics/metabolism ; Female ; Gene Expression ; Handling (Psychology) ; Hippocampus/metabolism ; Male ; *Maternal Behavior ; Paraventricular Hypothalamic Nucleus/metabolism ; Rats ; Receptors, GABA-A/*genetics/metabolism ; Receptors, Glucocorticoid/*genetics/metabolism ; Stress, Physiological/genetics/*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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  • 163
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    Mimicry of CD40 signals by Epstein-Barr virus LMP1 in B lymphocyte responses (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-09
    Description: The effect of the Epstein-Barr virus (EBV) latent membrane protein 1 (LMP1) on the activation and differentiation of normal B cells was investigated. B cells of transgenic mice expressing LMP1 under the control of immunoglobulin promoter/enhancer displayed enhanced expression of activation antigens and spontaneously proliferated and produced antibody. Humoral immune responses of LMP1 transgenic mice in CD40-deficient or normal backgrounds revealed that LMP1 mimics CD40 signals to induce extrafollicular B cell differentiation but, unlike CD40, blocks germinal center formation. Thus, these specific properties of LMP1 may determine the site of primary B cell infection and the state of infection in the natural course of EBV infection, whereas subsequent loss of LMP1 expression may affect the site of persistent latent infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Uchida, J -- Yasui, T -- Takaoka-Shichijo, Y -- Muraoka, M -- Kulwichit, W -- Raab-Traub, N -- Kikutani, H -- CA19014/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Oct 8;286(5438):300-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Immunology, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10514374" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Affinity ; Antigens, CD40/genetics/*metabolism ; B-Lymphocytes/*immunology/metabolism/virology ; Cell Differentiation ; Female ; Germinal Center/immunology/metabolism ; Herpesvirus 4, Human/*metabolism/physiology ; Immunization ; Immunoglobulin Class Switching ; Immunoglobulins/biosynthesis ; Interleukin-4/pharmacology ; *Lymphocyte Activation ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; *Molecular Mimicry ; NF-kappa B/metabolism ; Signal Transduction ; Spleen/immunology ; Viral Matrix Proteins/genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Nota bene: evolutionary biology. The male's dilemma (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-06-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gallagher, R B -- New York, N.Y. -- Science. 1999 May 14;284(5417):1140.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10366348" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibody Formation ; Biological Evolution ; Chickens/*anatomy & histology/genetics/*immunology ; Comb and Wattles/*anatomy & histology ; Male ; *Sex Characteristics ; Testosterone/physiology
    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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  • 165
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    Proteinaceous pheromone affecting female receptivity in a terrestrial salamander (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-09-18
    Description: A 22-kilodalton protein was isolated from the submandibular (mental) gland of the male terrestrial salamander, Plethodon jordani (family: Plethodontidae). This proteinaceous pheromone, termed plethodontid receptivity factor (PRF), was experimentally delivered to the female during courtship and shown to increase female receptivity. In most plethodontid salamanders, ovulation occurs weeks or months after insemination, so the pheromone-induced change in receptivity is the only known function of PRF. The messenger RNAs corresponding to isoforms of PRF were transcribed into complementary DNA, cloned, sequenced, and shown to have homology with cytokines of the interleukin-6 family. Pheromone activity would represent a previously unrecognized function for cytokines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rollmann, S M -- Houck, L D -- Feldhoff, R C -- New York, N.Y. -- Science. 1999 Sep 17;285(5435):1907-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolution, University of Chicago, 1101 East 57 Street, Chicago, IL 60637, USA. Department of Zoology, Oregon State University, 3029 Cordley Hall, Corvallis, OR 97331, USA. smrollma@midway.uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10489368" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Female ; Humans ; Male ; Molecular Sequence Data ; Sequence Homology, Amino Acid ; Sex Attractants/*analysis/genetics/physiology ; Sexual Behavior, Animal/*physiology ; Urodela
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  • 166
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    An essential role for BLNK in human B cell development (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-03
    Description: The signal transduction events that control the progenitor B cell (pro-B cell) to precursor B cell (pre-B cell) transition have not been well delineated. In evaluating patients with absent B cells, a male with a homozygous splice defect in the cytoplasmic adapter protein BLNK (B cell linker protein) was identified. Although this patient had normal numbers of pro-B cells, he had no pre-B cells or mature B cells, indicating that BLNK plays a critical role in orchestrating the pro-B cell to pre-B cell transition. The immune system and overall growth and development were otherwise normal in this patient, suggesting that BLNK function is highly specific.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Minegishi, Y -- Rohrer, J -- Coustan-Smith, E -- Lederman, H M -- Pappu, R -- Campana, D -- Chan, A C -- Conley, M E -- AI25129/AI/NIAID NIH HHS/ -- AI42787/AI/NIAID NIH HHS/ -- CA71516/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1954-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Department of Hematology-Oncology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10583958" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Adult ; Agammaglobulinemia/*genetics/immunology ; Antigens, CD19/analysis ; Antigens, CD34/analysis ; B-Lymphocytes/*cytology ; Bone Marrow Cells/cytology ; Carrier Proteins/genetics/*physiology ; Cell Differentiation ; Chromosome Mapping ; Gene Rearrangement, B-Lymphocyte, Heavy Chain ; Hematopoietic Stem Cells/*cytology ; Humans ; Male ; Molecular Sequence Data ; *Phosphoproteins ; Point Mutation ; Protein-Tyrosine Kinases/genetics/physiology ; Reverse Transcriptase Polymerase Chain Reaction ; Signal Transduction
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  • 167
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    Regulation of lineage commitment distinct from positive selection (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-11-05
    Description: Developing alphabeta T cells diverge into the CD4 and CD8 lineages as they mature in the thymus. It is unclear whether lineage commitment is mechanistically distinct from the process that selects for the survival of T cells with useful T cell receptor (TCR) specificities (positive selection). In HD mice, which lack mature CD4+ T cells, major histocompatibility complex (MHC) class II-restricted T cells are redirected to the CD8 lineage independent of MHC class I expression. However, neither TCR-mediated signaling nor positive selection is impaired. Thus, the HD mutation provides genetic evidence that lineage commitment may be mechanistically distinct from positive selection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keefe, R -- Dave, V -- Allman, D -- Wiest, D -- Kappes, D J -- AI34472/AI/NIAID NIH HHS/ -- CA06927/CA/NCI NIH HHS/ -- CA74620/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Nov 5;286(5442):1149-53.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Fox Chase Cancer Center, 7701 Burholme Avenue, Philadelphia, PA 19111, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10550051" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4-Positive T-Lymphocytes/*cytology/immunology ; CD8-Positive T-Lymphocytes/*cytology/immunology ; Cell Differentiation ; *Cell Lineage ; Crosses, Genetic ; Female ; Hematopoietic Stem Cells/cytology/immunology ; Histocompatibility Antigens Class I/immunology ; Histocompatibility Antigens Class II/immunology ; Male ; Mice ; Mice, Mutant Strains ; Mice, Transgenic ; Phenotype ; Phosphorylation ; Radiation Chimera ; Receptors, Antigen, T-Cell, alpha-beta/*metabolism ; Signal Transduction ; T-Lymphocyte Subsets/*cytology/immunology
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  • 168
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    Male attractiveness and differential testosterone investment in zebra finch eggs (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-10-03
    Description: Good-genes hypotheses of sexual selection predict that offspring fathered by preferred males should have increased viability resulting from superior genetic quality. Several studies of birds have reported findings consistent with this prediction, but maternal effects are an important confounding variable. Those studies that have attempted to control for maternal effects have only considered differential maternal investment after egg laying. However, female birds differentially deposit testosterone in the eggs, and this influences the development of the chick. This study shows that female birds deposit higher amounts of testosterone and 5alpha-dihydrotestosterone in their eggs when mated to more attractive males.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gil, D -- Graves, J -- Hazon, N -- Wells, A -- New York, N.Y. -- Science. 1999 Oct 1;286(5437):126-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Environmental and Evolutionary Biology, University of St. Andrews, St. Andrews, Fife KY16 9TS, UK. Diego.Gil@u-paris10.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10506561" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dihydrotestosterone/metabolism ; Egg Yolk/metabolism ; Female ; Male ; Oviposition ; Ovum/*metabolism ; Random Allocation ; *Sexual Behavior, Animal ; Songbirds/genetics/*physiology ; Testosterone/*metabolism
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  • 169
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    Altered cochlear fibrocytes in a mouse model of DFN3 nonsyndromic deafness (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-28
    Description: DFN3, an X chromosome-linked nonsyndromic mixed deafness, is caused by mutations in the BRN-4 gene, which encodes a POU transcription factor. Brn-4-deficient mice were created and found to exhibit profound deafness. No gross morphological changes were observed in the conductive ossicles or cochlea, although there was a dramatic reduction in endocochlear potential. Electron microscopy revealed severe ultrastructural alterations in cochlear spiral ligament fibrocytes. The findings suggest that these fibrocytes, which are mesenchymal in origin and for which a role in potassium ion homeostasis has been postulated, may play a critical role in auditory function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Minowa, O -- Ikeda, K -- Sugitani, Y -- Oshima, T -- Nakai, S -- Katori, Y -- Suzuki, M -- Furukawa, M -- Kawase, T -- Zheng, Y -- Ogura, M -- Asada, Y -- Watanabe, K -- Yamanaka, H -- Gotoh, S -- Nishi-Takeshima, M -- Sugimoto, T -- Kikuchi, T -- Takasaka, T -- Noda, T -- New York, N.Y. -- Science. 1999 Aug 27;285(5432):1408-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, The Cancer Institute, Japanese Foundation for Cancer Research, 1-37-1 Kami-ikebukuro, Toshima-ku, Tokyo 170-8455, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10464101" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cochlear Duct/*metabolism/pathology ; *DNA-Binding Proteins ; Deafness/genetics/*metabolism/pathology ; Ear, Inner/metabolism/pathology ; Ear, Middle/pathology ; Endolymph/metabolism ; Evoked Potentials, Auditory, Brain Stem ; Female ; Gene Expression ; Gene Targeting ; Genetic Linkage ; In Situ Hybridization ; Ion Transport ; Male ; Membrane Potentials ; Mice ; Mice, Inbred C57BL ; Mutagenesis ; *Nerve Tissue Proteins ; POU Domain Factors ; Potassium/*metabolism ; Transcription Factors/genetics/*metabolism ; X Chromosome
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  • 170
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    Preventing neurodegeneration in the Drosophila mutant bubblegum (1999)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1999-06-18
    Description: The Drosophila melanogaster recessive mutant bubblegum (bgm) exhibits adult neurodegeneration, with marked dilation of photoreceptor axons. The bubblegum mutant shows elevated levels of very long chain fatty acids (VLCFAs), as seen in the human disease adrenoleukodystrophy (ALD). In ALD, the excess can be lowered by dietary treatment with "Lorenzo's oil," a mixture of unsaturated fatty acids. Feeding the fly mutant one of the components, glyceryl trioleate oil, blocked the accumulation of excess VLCFAs as well as development of the pathology. Mutant flies thus provide a potential model system for studying mechanisms of neurodegenerative disease and screening drugs for treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Min, K T -- Benzer, S -- New York, N.Y. -- Science. 1999 Jun 18;284(5422):1985-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 156-29, California Institute of Technology, Pasadena, CA 91125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10373116" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenoleukodystrophy/diet therapy/genetics ; Amino Acid Sequence ; Animals ; Coenzyme A Ligases/chemistry/*genetics ; Disease Models, Animal ; *Drosophila Proteins ; Drosophila melanogaster/*genetics/metabolism ; Drug Combinations ; Erucic Acids/administration & dosage/pharmacology ; Fatty Acids/*metabolism ; Female ; Genes, Insect ; Genes, Recessive ; Male ; Molecular Sequence Data ; Mutation ; *Nerve Degeneration ; Photoreceptor Cells, Invertebrate/ultrastructure ; *Repressor Proteins ; *Saccharomyces cerevisiae Proteins ; Sex Characteristics ; Triolein/administration & dosage/*pharmacology
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  • 171
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    Chimps in the wild show stirrings of culture (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-07-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, G -- New York, N.Y. -- Science. 1999 Jun 25;284(5423):2070-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10409059" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Animals, Wild ; *Behavior, Animal ; *Culture ; Female ; *Learning ; Male ; *Pan troglodytes ; Pongo pygmaeus ; Social Behavior ; Vocalization, Animal
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  • 172
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    IRS-1-mediated inhibition of insulin receptor tyrosine kinase activity in TNF-alpha- and obesity-induced insulin resistance (1996)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1996-02-02
    Description: Tumor necrosis factor-alpha (TNF-alpha) is an important mediator of insulin resistance in obesity and diabetes through its ability to decrease the tyrosine kinase activity of the insulin receptor (IR). Treatment of cultured murine adipocytes with TNF-alpha was shown to induce serine phosphorylation of insulin receptor substrate 1 (IRS-1) and convert IRS-1 into an inhibitor of the IR tyrosine kinase activity in vitro. Myeloid 32D cells, which lack endogenous IRS-1, were resistant to TNF-alpha-mediated inhibition of IR signaling, whereas transfected 32D cells that express IRS-1 were very sensitive to this effect of TNF-alpha. An inhibitory form of IRS-1 was observed in muscle and fat tissues from obese rats. These results indicate that TNF-alpha induces insulin resistance through an unexpected action of IRS-1 to attenuate insulin receptor signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hotamisligil, G S -- Peraldi, P -- Budavari, A -- Ellis, R -- White, M F -- Spiegelman, B M -- DK 42539/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1996 Feb 2;271(5249):665-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Biology, Dana-Farber Cancer Institute, Boston, MA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8571133" target="_blank"〉PubMed〈/a〉
    Keywords: Adipocytes/*metabolism ; Adipose Tissue/metabolism ; Animals ; Cells, Cultured ; Insulin/pharmacology ; Insulin Receptor Substrate Proteins ; Insulin Resistance/*physiology ; Male ; Mice ; Muscle, Skeletal/metabolism ; Obesity/*metabolism ; Phosphoproteins/metabolism/*physiology ; Phosphorylation ; Rats ; Rats, Zucker ; Receptor, Insulin/*antagonists & inhibitors/metabolism ; Serine/metabolism ; Signal Transduction ; Tumor Necrosis Factor-alpha/*pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 173
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    Genetic testing for cancer risk (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-11-14
    Description: Genetic testing for cancer susceptibility is already part of the clinical management of families with some of the well-defined (but uncommon) inherited cancer syndromes. In cases where the risks associated with a predisposing mutation are less certain, or where there is no clearly effective intervention to offer those with a positive result, its use is more controversial. Careful evaluation of costs and benefits, and of the efficacy of interventions in those found to be at risk, is essential and is only just beginning. An immediate challenge is to ensure that both health professionals and the public understand clearly the issues involved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ponder, B -- New York, N.Y. -- Science. 1997 Nov 7;278(5340):1050-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncology, University of Cambridge, Addenbrooke's Hospital, Box 238, Level 3 Lab Block, Hills Road, Cambridge CB2 2QQ, UK. bajp@mole.bio.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9353178" target="_blank"〉PubMed〈/a〉
    Keywords: Confidentiality ; Cost-Benefit Analysis ; Female ; Genetic Counseling ; Genetic Predisposition to Disease ; Genetic Services ; *Genetic Testing ; Genetic Variation ; Humans ; Insurance, Health ; Insurance, Life ; Male ; Mutation ; Neoplasms/*diagnosis/*genetics ; Resource Allocation ; Risk Assessment ; Risk Factors ; Uncertainty
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Sexual selection in Asian elephants (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-12-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tiedemann, R -- New York, N.Y. -- Science. 1997 Nov 28;278(5343):1550-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9411772" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Elephants/*anatomy & histology/*physiology ; Female ; Incisor/anatomy & histology ; India ; Male ; Models, Biological ; Models, Statistical ; *Sexual Behavior, Animal ; Sri Lanka
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  • 175
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    Pain affect encoded in human anterior cingulate but not somatosensory cortex (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-15
    Description: Recent evidence demonstrating multiple regions of human cerebral cortex activated by pain has prompted speculation about their individual contributions to this complex experience. To differentiate cortical areas involved in pain affect, hypnotic suggestions were used to alter selectively the unpleasantness of noxious stimuli, without changing the perceived intensity. Positron emission tomography revealed significant changes in pain-evoked activity within anterior cingulate cortex, consistent with the encoding of perceived unpleasantness, whereas primary somatosensory cortex activation was unaltered. These findings provide direct experimental evidence in humans linking frontal-lobe limbic activity with pain affect, as originally suggested by early clinical lesion studies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rainville, P -- Duncan, G H -- Price, D D -- Carrier, B -- Bushnell, M C -- New York, N.Y. -- Science. 1997 Aug 15;277(5328):968-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉D-epartement de Psychologie and Centre de Recherche en Sciences Neurologiques, Universite de Montreal, Montreal, Quebec, Canada H3C 3J7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9252330" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Affect/*physiology ; *Brain Mapping ; Female ; Frontal Lobe/blood supply/*physiology/radionuclide imaging ; Gyrus Cinguli/blood supply/*physiology/radionuclide imaging ; Humans ; Hypnosis ; Male ; Middle Aged ; Pain/*physiopathology/*psychology ; Pain Measurement ; Regional Blood Flow ; Regression Analysis ; Somatosensory Cortex/blood supply/*physiology/radionuclide imaging ; Thermosensing ; Tomography, Emission-Computed
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 176
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    Color vision, genetics, and computers? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altschuler, E L -- Lades, M -- New York, N.Y. -- Science. 1997 Oct 31;278(5339):788.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9381185" target="_blank"〉PubMed〈/a〉
    Keywords: Color Vision Defects/*genetics/therapy ; Female ; Humans ; Male ; Retinal Pigments/genetics ; *Software
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 177
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    A mouse model with features of familial combined hyperlipidemia (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-17
    Description: Familial combined hyperlipidemia (FCHL) is a common inherited lipid disorder, affecting 1 to 2 percent of the population in Westernized societies. Individuals with FCHL have large quantities of very low density lipoprotein (VLDL) and low density lipoprotein (LDL) and develop premature coronary heart disease. A mouse model displaying some of the features of FCHL was created by crossing mice carrying the human apolipoprotein C-III (APOC3) transgene with mice deficient in the LDL receptor. A synergistic interaction between the apolipoprotein C-III and the LDL receptor defects produced large quantities of VLDL and LDL and enhanced the development of atherosclerosis. This mouse model may provide clues to the origin of human FCHL.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Masucci-Magoulas, L -- Goldberg, I J -- Bisgaier, C L -- Serajuddin, H -- Francone, O L -- Breslow, J L -- Tall, A R -- HL 21006/HL/NHLBI NIH HHS/ -- HL 54591/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1997 Jan 17;275(5298):391-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Columbia University, 630 West 168 Street, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8994037" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apolipoprotein C-III ; Apolipoproteins B/blood ; Apolipoproteins C/*genetics ; Apolipoproteins E/blood ; Arteriosclerosis/etiology ; Carrier Proteins/genetics ; Cholesterol/blood ; Cholesterol Ester Transfer Proteins ; Cholesterol, HDL/blood ; Cholesterol, LDL/blood ; Cholesterol, VLDL/blood ; Diet ; *Disease Models, Animal ; Disease Susceptibility ; Female ; *Glycoproteins ; Humans ; *Hyperlipidemia, Familial Combined/blood/genetics ; Hyperlipoproteinemia Type IV/genetics ; Lipoproteins/blood ; Lipoproteins, VLDL/blood ; Male ; Mice ; Mice, Inbred C57BL ; *Mice, Transgenic ; Receptors, LDL/*genetics/metabolism ; Transgenes ; Triglycerides/blood
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Thanks to a parasite, asexual reproduction catches on (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, M -- New York, N.Y. -- Science. 1997 Mar 21;275(5307):1743.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9122678" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Butterflies/parasitology ; Female ; Male ; Moths/parasitology ; Ovum/parasitology ; *Parthenogenesis ; Rickettsiaceae/*physiology ; Wasps/microbiology/*physiology
    Print ISSN: 0036-8075
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  • 179
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    How much pain for cardiac gain? (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1997 May 30;276(5317):1324-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9190672" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Centers for Disease Control and Prevention (U.S.) ; Exercise/*physiology/psychology ; Female ; Guidelines as Topic ; Heart Diseases/epidemiology/*prevention & control ; Humans ; Male ; Middle Aged ; Risk Factors ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 180
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    Life and death of neurons in the aging brain (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-10-23
    Description: Neurodegenerative disorders are characterized by extensive neuron death that leads to functional decline, but the neurobiological correlates of functional decline in normal aging are less well defined. For decades, it has been a commonly held notion that widespread neuron death in the neocortex and hippocampus is an inevitable concomitant of brain aging, but recent quantitative studies suggest that neuron death is restricted in normal aging and unlikely to account for age-related impairment of neocortical and hippocampal functions. In this article, the qualitative and quantitative differences between aging and Alzheimer's disease with respect to neuron loss are discussed, and age-related changes in functional and biochemical attributes of hippocampal circuits that might mediate functional decline in the absence of neuron death are explored. When these data are viewed comprehensively, it appears that the primary neurobiological substrates for functional impairment in aging differ in important ways from those in neurodegenerative disorders such as Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morrison, J H -- Hof, P R -- AG05138/AG/NIA NIH HHS/ -- AG06647/AG/NIA NIH HHS/ -- MHDA52145/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1997 Oct 17;278(5337):412-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurobiology of Aging Laboratories, the Fishberg Research Center for Neurobiology, and the Department of Geriatrics and Adult Development, Mount Sinai School of Medicine, New York, NY 10029, USA. morrison@cortex.neuro.mssm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9334292" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Alzheimer Disease/pathology ; Animals ; Cell Death ; Cell Survival ; Entorhinal Cortex/pathology ; Estrogens/physiology ; Female ; Hippocampus/cytology/pathology/*physiology ; Humans ; Male ; Memory ; Neocortex/cytology/pathology/*physiology ; *Nerve Degeneration ; Neurofibrillary Tangles/pathology ; Neurofilament Proteins/metabolism ; Neurons/cytology/pathology/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Longer tusks are healthy signs (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bagla, P -- New York, N.Y. -- Science. 1997 Jun 27;276(5321):1972.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9221498" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Commerce ; Elephants/*anatomy & histology/genetics/*parasitology ; Female ; Helminthiasis, Animal/*immunology ; Immunity, Innate ; Incisor/anatomy & histology ; Male ; Parasite Egg Count/veterinary ; Sexual Behavior, Animal
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  • 182
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    Regulatory phosphorylation of AMPA-type glutamate receptors by CaM-KII during long-term potentiation (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-06-27
    Description: Long-term potentiation (LTP), a cellular model of learning and memory, requires calcium-dependent protein kinases. Induction of LTP increased the phosphorus-32 labeling of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-type glutamate receptors (AMPA-Rs), which mediate rapid excitatory synaptic transmission. This AMPA-R phosphorylation appeared to be catalyzed by Ca2+- and calmodulin-dependent protein kinase II (CaM-KII): (i) it correlated with the activation and autophosphorylation of CaM-KII, (ii) it was blocked by the CaM-KII inhibitor KN-62, and (iii) its phosphorus-32 peptide map was the same as that of GluR1 coexpressed with activated CaM-KII in HEK-293 cells. This covalent modulation of AMPA-Rs in LTP provides a postsynaptic molecular mechanism for synaptic plasticity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barria, A -- Muller, D -- Derkach, V -- Griffith, L C -- Soderling, T R -- NS27037/NS/NINDS NIH HHS/ -- R01 GM054408/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1997 Jun 27;276(5321):2042-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vollum Institute, Oregon Health Sciences University, Portland, OR 97201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9197267" target="_blank"〉PubMed〈/a〉
    Keywords: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine/analogs & derivatives/pharmacology ; 2-Amino-5-phosphonovalerate/pharmacology ; Animals ; Calcium/metabolism ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 ; Calcium-Calmodulin-Dependent Protein Kinases/antagonists & inhibitors/*metabolism ; Cell Line ; Enzyme Inhibitors/pharmacology ; Excitatory Amino Acid Antagonists/pharmacology ; Hippocampus/*metabolism ; Humans ; In Vitro Techniques ; *Long-Term Potentiation/drug effects ; Male ; Peptide Mapping ; Phosphorylation ; Rats ; Rats, Sprague-Dawley ; Receptors, AMPA/*metabolism ; Synaptic Transmission/drug effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 183
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    Estrogen stakes claim to cognition (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wickelgren, I -- New York, N.Y. -- Science. 1997 May 2;276(5313):675-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9157544" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*drug therapy ; Animals ; Antioxidants/pharmacology ; Brain/cytology/metabolism ; Choline O-Acetyltransferase/metabolism ; Cognition/drug effects/*physiology ; Controlled Clinical Trials as Topic ; Estrogens/pharmacology/*physiology/therapeutic use ; Female ; Humans ; Male ; Memory/drug effects/*physiology ; Nerve Growth Factors/metabolism ; Receptors, N-Methyl-D-Aspartate/metabolism ; Synapses/physiology
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  • 184
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    Subtle, secret female chimpanzees (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wrangham, R W -- New York, N.Y. -- Science. 1997 Aug 8;277(5327):774-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. wrangham@fas.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9273699" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Male ; Pan troglodytes/*psychology ; *Reproduction ; *Sexual Behavior, Animal ; *Social Dominance
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  • 185
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    The many faces of WAS protein (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-01-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Featherstone, C -- New York, N.Y. -- Science. 1997 Jan 3;275(5296):27-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8999530" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism/ultrastructure ; Adaptor Proteins, Signal Transducing ; Cell Cycle Proteins/*metabolism ; Cell Division ; Cell Membrane/metabolism/ultrastructure ; Cytoskeleton/metabolism/ultrastructure ; GTP-Binding Proteins/*metabolism ; Humans ; Male ; Oncogene Proteins/metabolism ; Protein-Tyrosine Kinases/metabolism ; Proteins/genetics/*metabolism ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-fyn ; *Signal Transduction ; Wiskott-Aldrich Syndrome/genetics/*metabolism ; Wiskott-Aldrich Syndrome Protein ; cdc42 GTP-Binding Protein ; src Homology Domains
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 186
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    A new way to resist AIDS? (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-02-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, J -- New York, N.Y. -- Science. 1997 Feb 28;275(5304):1258.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9064779" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*immunology/virology ; CD4-Positive T-Lymphocytes/immunology/*virology ; Cells, Cultured ; HIV/*physiology ; Humans ; Immunity, Innate ; Male ; Virus Replication
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  • 187
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    Large porous particles for pulmonary drug delivery (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-06-20
    Description: A new type of inhalation aerosol, characterized by particles of small mass density and large size, permitted the highly efficient delivery of inhaled therapeutics into the systemic circulation. Particles with mass densities less than 0.4 gram per cubic centimeter and mean diameters exceeding 5 micrometers were inspired deep into the lungs and escaped the lungs' natural clearance mechanisms until the inhaled particles delivered their therapeutic payload. Inhalation of large porous insulin particles resulted in elevated systemic levels of insulin and suppressed systemic glucose levels for 96 hours, whereas small nonporous insulin particles had this effect for only 4 hours. High systemic bioavailability of testosterone was also achieved by inhalation delivery of porous particles with a mean diameter (20 micrometers) approximately 10 times that of conventional inhaled therapeutic particles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, D A -- Hanes, J -- Caponetti, G -- Hrkach, J -- Ben-Jebria, A -- Eskew, M L -- Mintzes, J -- Deaver, D -- Lotan, N -- Langer, R -- GM26698/GM/NIGMS NIH HHS/ -- HD29125/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1997 Jun 20;276(5320):1868-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical Engineering, Pennsylvania State University, 204 Fenske Laboratory, University Park, PA 16802, USA. dxe11@psuv.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9188534" target="_blank"〉PubMed〈/a〉
    Keywords: *Administration, Inhalation ; Aerosols ; Animals ; Biological Availability ; Blood Glucose/analysis ; Bronchoalveolar Lavage ; *Drug Carriers ; Drug Compounding ; Insulin/administration & dosage/blood/pharmacokinetics ; *Lactic Acid ; *Lung ; Male ; Particle Size ; *Polyglycolic Acid ; *Polylysine ; *Polymers ; Rats ; Rats, Sprague-Dawley ; Testosterone/administration & dosage/blood/pharmacokinetics
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  • 188
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    Quantitative trait loci for refractoriness of Anopheles gambiae to Plasmodium cynomolgi B (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-04-18
    Description: The severity of the malaria pandemic in the tropics is aggravated by the ongoing spread of parasite resistance to antimalarial drugs and mosquito resistance to insecticides. A strain of Anopheles gambiae, normally a major vector for human malaria in Africa, can encapsulate and kill the malaria parasites within a melanin-rich capsule in the mosquito midgut. Genetic mapping revealed one major and two minor quantitative trait loci (QTLs) for this encapsulation reaction. Understanding such antiparasite mechanisms in mosquitoes may lead to new strategies for malaria control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, L -- Cornel, A J -- Wang, R -- Erfle, H -- Voss, H -- Ansorge, W -- Kafatos, F C -- Collins, F H -- New York, N.Y. -- Science. 1997 Apr 18;276(5311):425-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Disease Control and Prevention, 4770 Buford Hi.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9103203" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/*genetics/immunology/*parasitology ; Chromosome Mapping ; Crosses, Genetic ; Female ; *Genes, Insect ; Genotype ; Insect Vectors/*genetics/immunology/*parasitology ; Lod Score ; Male ; Melanins/physiology ; Microsatellite Repeats ; Phenotype ; Plasmodium cynomolgi/*immunology
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  • 189
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    Rapid colorectal adenoma formation initiated by conditional targeting of the Apc gene (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-10-06
    Description: Familial adenomatous polyposis coli (FAP) is a disease characterized by the development of multiple colorectal adenomas, and affected individuals carry germline mutations in the APC gene. With the use of a conditional gene targeting system, a mouse model of FAP was created that circumvents the embryonic lethality of Apc deficiency and directs Apc inactivation specifically to the colorectal epithelium. loxP sites were inserted into the introns around Apc exon 14, and the resultant mutant allele (Apc580S) was introduced into the mouse germline. Mice homozygous for Apc580S were normal; however, upon infection of the colorectal region with an adenovirus encoding the Cre recombinase, the mice developed adenomas within 4 weeks. The adenomas showed deletion of Apc exon 14, indicating that the loss of Apc function was caused by Cre-loxP-mediated recombination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shibata, H -- Toyama, K -- Shioya, H -- Ito, M -- Hirota, M -- Hasegawa, S -- Matsumoto, H -- Takano, H -- Akiyama, T -- Toyoshima, K -- Kanamaru, R -- Kanegae, Y -- Saito, I -- Nakamura, Y -- Shiba, K -- Noda, T -- New York, N.Y. -- Science. 1997 Oct 3;278(5335):120-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Cancer Institute, Toshima-ku, Tokyo 170, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9311916" target="_blank"〉PubMed〈/a〉
    Keywords: Adenomatous Polyposis Coli/*genetics ; Adenomatous Polyposis Coli Protein ; Adenoviridae/genetics ; Animals ; Colon/metabolism ; Cytoskeletal Proteins/biosynthesis ; Disease Models, Animal ; Exons ; Female ; Frameshift Mutation ; Gene Deletion ; *Gene Targeting ; *Genes, APC ; Genetic Vectors ; Germ-Line Mutation ; Homozygote ; Integrases/genetics/metabolism ; Introns ; Male ; Mice ; Mice, Inbred C57BL ; Recombination, Genetic ; *Viral Proteins
    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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  • 190
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    Antagonism of central melanocortin receptors in vitro and in vivo by agouti-related protein (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-10-06
    Description: Expression of Agouti protein is normally limited to the skin where it affects pigmentation, but ubiquitous expression causes obesity. An expressed sequence tag was identified that encodes Agouti-related protein, whose RNA is normally expressed in the hypothalamus and whose levels were increased eightfold in ob/ob mice. Recombinant Agouti-related protein was a potent, selective antagonist of Mc3r and Mc4r, melanocortin receptor subtypes implicated in weight regulation. Ubiquitous expression of human AGRP complementary DNA in transgenic mice caused obesity without altering pigmentation. Thus, Agouti-related protein is a neuropeptide implicated in the normal control of body weight downstream of leptin signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ollmann, M M -- Wilson, B D -- Yang, Y K -- Kerns, J A -- Chen, Y -- Gantz, I -- Barsh, G S -- EY07106/EY/NEI NIH HHS/ -- GM07365/GM/NIGMS NIH HHS/ -- P30DK-34933/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1997 Oct 3;278(5335):135-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9311920" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenal Glands/metabolism ; Amino Acid Sequence ; Animals ; Female ; Humans ; Hypothalamus/metabolism ; Male ; Melanocyte-Stimulating Hormones/antagonists & inhibitors/pharmacology ; Melanophores/metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Inbred CBA ; Mice, Obese ; Mice, Transgenic ; Molecular Sequence Data ; Obesity/etiology ; Organophosphorus Compounds/pharmacology ; Proteins/chemistry/genetics/pharmacology/*physiology ; RNA/genetics/metabolism ; Receptor, Melanocortin, Type 3 ; Receptor, Melanocortin, Type 4 ; Receptors, Corticotropin/*antagonists & inhibitors/metabolism ; Receptors, Peptide/*antagonists & inhibitors/metabolism ; Recombinant Proteins/metabolism ; Signal Transduction ; Xenopus
    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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  • 191
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    When should fatherhood stop? (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gavrilov, L A -- Gavrilova, N S -- New York, N.Y. -- Science. 1997 Jul 4;277(5322):17-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9229762" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Humans ; *Longevity ; Male ; *Nuclear Family ; *Paternal Age
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 192
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    Kaposi's sarcoma-associated herpesvirus infection and multiple myeloma (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parravicini, C -- Lauri, E -- Baldini, L -- Neri, A -- Poli, F -- Sirchia, G -- Moroni, M -- Galli, M -- Corbellino, M -- New York, N.Y. -- Science. 1997 Dec 12;278(5345):1969-70; author reply 1972-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9417642" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aged, 80 and over ; Antibodies, Viral/*blood ; Bone Marrow Cells/*virology ; DNA, Viral/analysis ; Female ; Herpesviridae Infections/*complications/virology ; Herpesvirus 8, Human/genetics/immunology/*isolation & purification ; Humans ; Male ; Middle Aged ; Multiple Myeloma/*virology ; Polymerase Chain Reaction
    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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  • 193
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    Correction of deafness in shaker-2 mice by an unconventional myosin in a BAC transgene (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: The shaker-2 mouse mutation, the homolog of human DFNB3, causes deafness and circling behavior. A bacterial artificial chromosome (BAC) transgene from the shaker-2 critical region corrected the vestibular defects, deafness, and inner ear morphology of shaker-2 mice. An unconventional myosin gene, Myo15, was discovered by DNA sequencing of this BAC. Shaker-2 mice were found to have an amino acid substitution at a highly conserved position within the motor domain of this myosin. Auditory hair cells of shaker-2 mice have very short stereocilia and a long actin-containing protrusion extending from their basal end. This histopathology suggests that Myo15 is necessary for actin organization in the hair cells of the cochlea.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Probst, F J -- Fridell, R A -- Raphael, Y -- Saunders, T L -- Wang, A -- Liang, Y -- Morell, R J -- Touchman, J W -- Lyons, R H -- Noben-Trauth, K -- Friedman, T B -- Camper, S A -- Z01 DC 00035/DC/NIDCD NIH HHS/ -- Z01 DC 00038/DC/NIDCD NIH HHS/ -- Z01 DC 02407/DC/NIDCD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1998 May 29;280(5368):1444-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, 4701 MSRB III, University of Michigan, 1500 West Medical Center Drive, Ann Arbor, MI 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9603735" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Brain/metabolism ; Chromosomes, Bacterial ; Deafness/*genetics/pathology/therapy ; Ear, Inner/metabolism ; Female ; Genetic Complementation Test ; Hair Cells, Auditory/ultrastructure ; Humans ; Liver/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Mice, Transgenic ; Myosins/chemistry/*genetics/metabolism ; Phenotype ; Point Mutation ; Transgenes
    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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  • 194
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    Gastrointestinal tract as a major site of CD4+ T cell depletion and viral replication in SIV infection (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: Human and simian immunodeficiency virus (HIV and SIV) replicate optimally in activated memory CD4(+) T cells, a cell type that is abundant in the intestine. SIV infection of rhesus monkeys resulted in profound and selective depletion of CD4+ T cells in the intestine within days of infection, before any such changes in peripheral lymphoid tissues. The loss of CD4+ T cells in the intestine occurred coincident with productive infection of large numbers of mononuclear cells at this site. The intestine appears to be a major target for SIV replication and the major site of CD4+ T cell loss in early SIV infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Veazey, R S -- DeMaria, M -- Chalifoux, L V -- Shvetz, D E -- Pauley, D R -- Knight, H L -- Rosenzweig, M -- Johnson, R P -- Desrosiers, R C -- Lackner, A A -- AI25328/AI/NIAID NIH HHS/ -- AI38559/AI/NIAID NIH HHS/ -- DK50550/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1998 Apr 17;280(5362):427-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New England Regional Primate Research Center, Harvard Medical School, 1 Pine Hill Drive, Post Office Box 9102, Southborough, MA 01772, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9545219" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4 Lymphocyte Count ; CD4-Positive T-Lymphocytes/*immunology/virology ; Colon/*immunology/virology ; Immunity, Mucosal ; Immunologic Memory ; Intestinal Mucosa/immunology/virology ; Intestine, Small/*immunology/virology ; Lymphocyte Activation ; Lymphocytes/immunology/virology ; Lymphoid Tissue/immunology/virology ; Macaca mulatta ; Macrophages/virology ; Male ; Receptors, Interleukin-2/analysis ; Simian Acquired Immunodeficiency Syndrome/*immunology/*virology ; Simian Immunodeficiency Virus/immunology/pathogenicity/*physiology ; Viral Load ; Virulence ; Virus Replication
    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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  • 195
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    Monoallelic expression of the interleukin-2 locus (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: The lymphokine interleukin-2 (IL-2) is responsible for autocrine cell cycle progression and regulation of immune responses. Uncontrolled secretion of IL-2 results in adverse reactions ranging from anergy, to aberrant T cell activation, to autoimmunity. With the use of fluorescent in situ hybridization and single-cell polymerase chain reaction in cells with different IL-2 alleles, IL-2 expression in mature thymocytes and T cells was found to be tightly controlled by monoallelic expression. Because IL-2 is encoded at a nonimprinted autosomal locus, this result represents an unusual regulatory mode for controlling the precise expression of a single gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hollander, G A -- Zuklys, S -- Morel, C -- Mizoguchi, E -- Mobisson, K -- Simpson, S -- Terhorst, C -- Wishart, W -- Golan, D E -- Bhan, A K -- Burakoff, S J -- P01 CA39542-09/CA/NCI NIH HHS/ -- R01 AI17258-18/AI/NIAID NIH HHS/ -- R01 DK47677/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1998 Mar 27;279(5359):2118-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Pediatric Immunology, Department of Research and Children's Hospital, Basel University Medical School, 4031 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9516115" target="_blank"〉PubMed〈/a〉
    Keywords: *Alleles ; Animals ; CD4-Positive T-Lymphocytes/cytology/*immunology ; Concanavalin A/pharmacology ; DNA Replication ; Female ; Flow Cytometry ; *Gene Expression Regulation ; Heterozygote ; In Situ Hybridization, Fluorescence ; Interleukin-2/biosynthesis/*genetics ; Lymphocyte Activation ; Male ; Mice ; Mice, Inbred C57BL ; Muridae ; Mutation ; Polymerase Chain Reaction ; S Phase ; Transcription, Genetic
    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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  • 196
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    Cancer warriors claim a victory (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1842-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537899" target="_blank"〉PubMed〈/a〉
    Keywords: African Continental Ancestry Group ; European Continental Ancestry Group ; Female ; Humans ; Incidence ; Life Style ; Male ; Neoplasms/*epidemiology/mortality/therapy ; Smoking ; United States/epidemiology
    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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  • 197
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    5200-year-old acupuncture in central Europe? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dorfer, L -- Moser, M -- Spindler, K -- Bahr, F -- Egarter-Vigl, E -- Dohr, G -- New York, N.Y. -- Science. 1998 Oct 9;282(5387):242-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841386" target="_blank"〉PubMed〈/a〉
    Keywords: Acupuncture Therapy/*history ; Europe ; History, Ancient ; Humans ; Male ; Mummies ; Tattooing
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 198
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    HIV strain analysis debuts in murder trial (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, G -- New York, N.Y. -- Science. 1998 Oct 30;282(5390):851,853.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841423" target="_blank"〉PubMed〈/a〉
    Keywords: DNA, Viral/analysis ; Expert Testimony ; Female ; *Forensic Medicine ; HIV/classification/*genetics ; HIV Infections/*transmission/virology ; Homicide/*legislation & jurisprudence ; Humans ; Louisiana ; Male ; Phylogeny
    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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  • 199
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    The oldest human (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robine, J M -- Allard, M -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1834-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537897" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aged, 80 and over ; Female ; France ; Humans ; Longevity/*genetics ; Male ; Pedigree
    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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  • 200
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    Solution to a conservation problem? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉von Hippel, F A -- von Hippel, W -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1805.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9776681" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Asia ; *Conservation of Natural Resources ; Humans ; Male ; *Materia Medica ; Piperazines/*supply & distribution ; Purines ; Sildenafil Citrate ; Sulfones
    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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