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  • Life and Medical Sciences  (2,412)
  • Animals  (1,132)
  • Chemical Engineering  (780)
  • AERODYNAMICS
  • 1995-1999  (4,420)
  • 1975-1979
  • 1925-1929
  • 1998  (1,226)
  • 1995  (3,194)
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  • 1995-1999  (4,420)
  • 1975-1979
  • 1925-1929
Year
  • 101
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    A blow to the 'grandmother theory' (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1998 Apr 24;280(5363):516.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9575094" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Humans ; Life Expectancy ; Lions/*physiology ; *Longevity ; Menopause ; Papio/*physiology ; *Reproduction
    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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    Redox-coupled crystal structural changes in bovine heart cytochrome c oxidase (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: Crystal structures of bovine heart cytochrome c oxidase in the fully oxidized, fully reduced, azide-bound, and carbon monoxide-bound states were determined at 2.30, 2.35, 2.9, and 2.8 angstrom resolution, respectively. An aspartate residue apart from the O2 reduction site exchanges its effective accessibility to the matrix aqueous phase for one to the cytosolic phase concomitantly with a significant decrease in the pK of its carboxyl group, on reduction of the metal sites. The movement indicates the aspartate as the proton pumping site. A tyrosine acidified by a covalently linked imidazole nitrogen is a possible proton donor for the O2 reduction by the enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshikawa, S -- Shinzawa-Itoh, K -- Nakashima, R -- Yaono, R -- Yamashita, E -- Inoue, N -- Yao, M -- Fei, M J -- Libeu, C P -- Mizushima, T -- Yamaguchi, H -- Tomizaki, T -- Tsukihara, T -- New York, N.Y. -- Science. 1998 Jun 12;280(5370):1723-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Life Science, Himeji Institute of Technology and CREST, Japan Science and Technology Corporation (JST), Kamigohri Akoh, Hyogo 678-1297, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9624044" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aspartic Acid/chemistry/metabolism ; Azides/metabolism ; Binding Sites ; Carbon Monoxide/metabolism ; Cattle ; Copper/chemistry/metabolism ; Crystallography, X-Ray ; Electron Transport Complex IV/*chemistry/*metabolism ; Heme/analogs & derivatives/chemistry/metabolism ; Hydrogen Bonding ; Hydrogen Peroxide/chemistry/metabolism ; Hydrogen-Ion Concentration ; Ligands ; Metals/metabolism ; Models, Chemical ; Models, Molecular ; Myocardium/*enzymology ; Oxidation-Reduction ; Oxygen/metabolism ; Protein Conformation ; *Proton Pumps ; Tyrosine/chemistry/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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  • 103
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    Activation of apoptosis signal-regulating kinase 1 (ASK1) by the adapter protein Daxx (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-22
    Description: The Fas death receptor can activate the Jun NH2-terminal kinase (JNK) pathway through the receptor-associated protein Daxx. Daxx was found to activate the JNK kinase kinase ASK1, and overexpression of a kinase-deficient ASK1 mutant inhibited Fas- and Daxx-induced apoptosis and JNK activation. Fas activation induced Daxx to interact with ASK1, which consequently relieved an inhibitory intramolecular interaction between the amino- and carboxyl-termini of ASK1, activating its kinase activity. The Daxx-ASK1 connection completes a signaling pathway from a cell surface death receptor to kinase cascades that modulate nuclear transcription factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, H Y -- Nishitoh, H -- Yang, X -- Ichijo, H -- Baltimore, D -- CA51462/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1860-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9743501" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Alleles ; Amino Acid Sequence ; Animals ; Antigens, CD95/metabolism ; *Apoptosis ; Calcium-Calmodulin-Dependent Protein Kinases/metabolism ; Carrier Proteins/*metabolism ; Cell Line ; Enzyme Activation ; Humans ; *Intracellular Signaling Peptides and Proteins ; JNK Mitogen-Activated Protein Kinases ; MAP Kinase Kinase Kinases ; *Mitogen-Activated Protein Kinases ; Molecular Sequence Data ; *Nuclear Proteins ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Tumor Cells, Cultured
    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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    What's the best sound? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, E D -- New York, N.Y. -- Science. 1998 May 29;280(5368):1402-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA. eyoung@bme.jhu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634417" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustic Stimulation ; Animals ; Auditory Cortex/*physiology ; Brain Mapping ; Evoked Potentials, Auditory ; Neurons/*physiology ; *Sound
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 105
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    A structural explanation for the recognition of tyrosine-based endocytotic signals (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-13
    Description: Many cell surface proteins are marked for endocytosis by a cytoplasmic sequence motif, tyrosine-X-X-(hydrophobic residue), that is recognized by the mu2 subunit of AP2 adaptors. Crystal structures of the internalization signal binding domain of mu2 complexed with the internalization signal peptides of epidermal growth factor receptor and the trans-Golgi network protein TGN38 have been determined at 2.7 angstrom resolution. The signal peptides adopted an extended conformation rather than the expected tight turn. Specificity was conferred by hydrophobic pockets that bind the tyrosine and leucine in the peptide. In the crystal, the protein forms dimers that could increase the strength and specificity of binding to dimeric receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Owen, D J -- Evans, P R -- New York, N.Y. -- Science. 1998 Nov 13;282(5392):1327-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9812899" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Protein Complex 1 ; Adaptor Protein Complex 2 ; *Adaptor Protein Complex 3 ; Adaptor Protein Complex alpha Subunits ; *Adaptor Protein Complex mu Subunits ; Adaptor Proteins, Vesicular Transport ; Amino Acid Sequence ; Animals ; Binding Sites ; Crystallography, X-Ray ; Dimerization ; *Endocytosis ; *Glycoproteins ; Humans ; Hydrogen Bonding ; Membrane Glycoproteins/*chemistry/metabolism ; Membrane Proteins/*chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Phosphorylation ; Protein Conformation ; Protein Sorting Signals/*chemistry/metabolism ; Protein Structure, Secondary ; Receptor, Epidermal Growth Factor/*chemistry/metabolism ; Tyrosine/chemistry/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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    Research drought looms afer Neurolab mission (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, A -- New York, N.Y. -- Science. 1998 Apr 24;280(5363):515-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9575093" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Nervous System Physiological Phenomena ; Rats ; *Research ; Space Flight ; *Spacecraft ; United States ; United States National Aeronautics and Space Administration ; *Weightlessness
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 107
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    Role of MEKK1 in cell survival and activation of JNK and ERK pathways defined by targeted gene disruption (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-04
    Description: Targeted disruption of the gene encoding MEK kinase 1 (MEKK1), a mitogen-activated protein kinase (MAPK) kinase kinase, defined its function in the regulation of MAPK pathways and cell survival. MEKK1(-/-) embryonic stem cells from mice had lost or altered responses of the c-Jun amino-terminal kinase (JNK) to microtubule disruption and cold stress but activated JNK normally in response to heat shock, anisomycin, and ultraviolet irradiation. Activation of JNK was lost and that of extracellular signal-regulated protein kinase (ERK) was diminished in response to hyperosmolarity and serum factors in MEKK1(-/-) cells. Loss of MEKK1 expression resulted in a greater apoptotic response of cells to hyperosmolarity and microtubule disruption. When activated by specific stresses that alter cell shape and the cytoskeleton, MEKK1 signals to protect cells from apoptosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yujiri, T -- Sather, S -- Fanger, G R -- Johnson, G L -- DK37871/DK/NIDDK NIH HHS/ -- GM30324/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Dec 4;282(5395):1911-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Molecular Signal Transduction, Division of Basic Sciences, National Jewish Medical and Research Center, Denver, CO 80206, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9836645" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anisomycin/pharmacology ; Apoptosis ; Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; Cell Line ; Cell Size ; *Cell Survival ; Enzyme Activation ; Gene Targeting ; JNK Mitogen-Activated Protein Kinases ; Lysophospholipids/pharmacology ; *MAP Kinase Kinase 4 ; *MAP Kinase Kinase Kinase 1 ; Mice ; *Mitogen-Activated Protein Kinase Kinases ; *Mitogen-Activated Protein Kinases ; Nocodazole/pharmacology ; Osmolar Concentration ; Phosphorylation ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Protein-Tyrosine Kinases/metabolism ; Recombinant Proteins/metabolism ; Stem Cells ; Temperature ; Transfection ; Ultraviolet Rays
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 108
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    Tankyrase, a poly(ADP-ribose) polymerase at human telomeres (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-20
    Description: Tankyrase, a protein with homology to ankyrins and to the catalytic domain of poly(adenosine diphosphate-ribose) polymerase (PARP), was identified and localized to human telomeres. Tankyrase binds to the telomeric protein TRF1 (telomeric repeat binding factor-1), a negative regulator of telomere length maintenance. Like ankyrins, tankyrase contains 24 ankyrin repeats in a domain responsible for its interaction with TRF1. Recombinant tankyrase was found to have PARP activity in vitro, with both TRF1 and tankyrase functioning as acceptors for adenosine diphosphate (ADP)-ribosylation. ADP-ribosylation of TRF1 diminished its ability to bind to telomeric DNA in vitro, suggesting that telomere function in human cells is regulated by poly(ADP-ribosyl)ation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, S -- Giriat, I -- Schmitt, A -- de Lange, T -- CA76027/CA/NCI NIH HHS/ -- GM49046/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 20;282(5393):1484-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9822378" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate Ribose/metabolism ; Amino Acid Sequence ; Animals ; Ankyrins/chemistry ; Benzamides/pharmacology ; Catalytic Domain ; DNA/metabolism ; DNA-Binding Proteins/analysis/*metabolism ; Enzyme Inhibitors/pharmacology ; Fluorescent Antibody Technique, Indirect ; Humans ; Molecular Sequence Data ; NAD/metabolism ; Poly(ADP-ribose) Polymerase Inhibitors ; Poly(ADP-ribose) Polymerases/*chemistry/genetics/*metabolism ; Protein Structure, Secondary ; Recombinant Proteins/chemistry/metabolism ; Repetitive Sequences, Amino Acid ; Sequence Alignment ; Sequence Homology, Amino Acid ; *Tankyrases ; Telomere/chemistry/*enzymology ; Telomeric Repeat Binding Protein 1
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 109
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    Multiplying knowledge of cell division, plant growth (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, D -- New York, N.Y. -- Science. 1998 Sep 11;281(5383):1591,1593.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767022" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arabidopsis/cytology/genetics/*growth & development ; Cell Communication ; *Cell Differentiation ; Cell Division ; Drosophila/cytology/*genetics ; Female ; Genes, Insect ; Genes, Plant ; Oocytes/cytology ; Ovary/cytology ; Stem Cells/*cytology
    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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  • 110
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    Badgers and bovine TB: conflicts between conservation and health (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krebs, J R -- Anderson, R M -- Clutton-Brock, T -- Donnelly, C A -- Frost, S -- Morrison, W I -- Woodroffe, R -- Young, D -- New York, N.Y. -- Science. 1998 Feb 6;279(5352):817-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Natural Environment Research Council, Swindon, Wilts, SN2 1EU, UK. hqpo@wpo.nerc.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9480550" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Husbandry ; Animals ; Carnivora/*microbiology ; Cattle ; Disease Reservoirs/*veterinary ; Great Britain/epidemiology ; Incidence ; *Pest Control ; Research ; Tuberculosis/transmission/*veterinary ; Tuberculosis, Bovine/epidemiology/*prevention & control/*transmission
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 111
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    Control of alternative splicing of potassium channels by stress hormones (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: Many molecular mechanisms for neural adaptation to stress remain unknown. Expression of alternative splice variants of Slo, a gene encoding calcium- and voltage-activated potassium channels, was measured in rat adrenal chromaffin tissue from normal and hypophysectomized animals. Hypophysectomy triggered an abrupt decrease in the proportion of Slo transcripts containing a "STREX" exon. The decrease was prevented by adrenocorticotropic hormone injections. In Xenopus oocytes, STREX variants produced channels with functional properties associated with enhanced repetitive firing. Thus, the hormonal stress axis is likely to control the excitable properties of epinephrine-secreting cells by regulating alternative splicing of Slo messenger RNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xie, J -- McCobb, D P -- New York, N.Y. -- Science. 1998 Apr 17;280(5362):443-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9545224" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenal Medulla/*metabolism ; Adrenocorticotropic Hormone/metabolism/*pharmacology ; *Alternative Splicing ; Amino Acid Sequence ; Animals ; Chromaffin Cells/*metabolism ; Corticosterone/blood/*metabolism ; Dexamethasone/pharmacology ; Epinephrine/secretion ; Exons ; Female ; Hypophysectomy ; Large-Conductance Calcium-Activated Potassium Channel alpha Subunits ; Large-Conductance Calcium-Activated Potassium Channels ; Male ; Molecular Sequence Data ; Oocytes ; Phenylethanolamine N-Methyltransferase/genetics ; Polymerase Chain Reaction ; Potassium Channels/*genetics ; *Potassium Channels, Calcium-Activated ; RNA, Messenger/genetics/metabolism ; Rats ; Rats, Sprague-Dawley ; Xenopus
    Print ISSN: 0036-8075
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  • 112
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    Role of the CLOCK protein in the mammalian circadian mechanism (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-11
    Description: The mouse Clock gene encodes a bHLH-PAS protein that regulates circadian rhythms and is related to transcription factors that act as heterodimers. Potential partners of CLOCK were isolated in a two-hybrid screen, and one, BMAL1, was coexpressed with CLOCK and PER1 at known circadian clock sites in brain and retina. CLOCK-BMAL1 heterodimers activated transcription from E-box elements, a type of transcription factor-binding site, found adjacent to the mouse per1 gene and from an identical E-box known to be important for per gene expression in Drosophila. Mutant CLOCK from the dominant-negative Clock allele and BMAL1 formed heterodimers that bound DNA but failed to activate transcription. Thus, CLOCK-BMAL1 heterodimers appear to drive the positive component of per transcriptional oscillations, which are thought to underlie circadian rhythmicity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gekakis, N -- Staknis, D -- Nguyen, H B -- Davis, F C -- Wilsbacher, L D -- King, D P -- Takahashi, J S -- Weitz, C J -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1564-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Harvard Medical School, Boston MA 02115, USA. 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616112" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Animals ; Basic Helix-Loop-Helix Transcription Factors ; Biological Clocks ; CLOCK Proteins ; Cell Cycle Proteins ; Circadian Rhythm/genetics/*physiology ; Cloning, Molecular ; Cricetinae ; DNA/metabolism ; Dimerization ; Feedback ; Gene Expression ; Helix-Loop-Helix Motifs ; Male ; Mesocricetus ; Mice ; Mutation ; Nuclear Proteins/*genetics/metabolism ; Period Circadian Proteins ; Promoter Regions, Genetic ; Retina/metabolism ; Suprachiasmatic Nucleus/metabolism ; Trans-Activators/genetics/*metabolism ; Transcription Factors/genetics/*metabolism ; *Transcriptional Activation
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  • 113
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    Conversion of neuronal growth cone responses from repulsion to attraction by cyclic nucleotides (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-04
    Description: Nerve growth is regulated by attractive and repulsive factors in the nervous system. Microscopic gradients of Collapsin-1/Semaphorin III/D (Sema III) and myelin-associated glycoprotein trigger repulsive turning responses by growth cones of cultured Xenopus spinal neurons; the repulsion can be converted to attraction by pharmacological activation of the guanosine 3',5'-monophosphate (cGMP) and adenosine 3',5'-monophosphate signaling pathways, respectively. Sema III also causes the collapse of cultured rat sensory growth cones, which can be inhibited by activation of the cGMP pathway. Thus cyclic nucleotides can regulate growth cone behaviors and may be targets for designing treatments to alleviate the inhibition of nerve regeneration by repulsive factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Song, H -- Ming, G -- He, Z -- Lehmann, M -- McKerracher, L -- Tessier-Lavigne, M -- Poo, M -- NS22764/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1998 Sep 4;281(5382):1515-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of California at San Diego, La Jolla, CA 92093-0357, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9727979" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/physiology ; Calcium/physiology ; Cells, Cultured ; Cyclic AMP/analogs & derivatives/pharmacology/*physiology ; Cyclic GMP/analogs & derivatives/pharmacology/*physiology ; Ganglia, Spinal/cytology ; Glycoproteins/*physiology ; Myelin-Associated Glycoprotein/physiology ; Nerve Growth Factors/*physiology ; Nerve Tissue Proteins/physiology ; Neurites/*physiology ; Neurons/cytology/*physiology ; Neuropilin-1 ; Rats ; Recombinant Proteins ; Semaphorin-3A ; Spinal Cord/cytology ; Thionucleotides/pharmacology ; Xenopus
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  • 114
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    Comparison of the complete protein sets of worm and yeast: orthology and divergence (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-16
    Description: Comparative analysis of predicted protein sequences encoded by the genomes of Caenorhabditis elegans and Saccharomyces cerevisiae suggests that most of the core biological functions are carried out by orthologous proteins (proteins of different species that can be traced back to a common ancestor) that occur in comparable numbers. The specialized processes of signal transduction and regulatory control that are unique to the multicellular worm appear to use novel proteins, many of which re-use conserved domains. Major expansion of the number of some of these domains seen in the worm may have contributed to the advent of multicellularity. The proteins conserved in yeast and worm are likely to have orthologs throughout eukaryotes; in contrast, the proteins unique to the worm may well define metazoans.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3057080/" 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/PMC3057080/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chervitz, S A -- Aravind, L -- Sherlock, G -- Ball, C A -- Koonin, E V -- Dwight, S S -- Harris, M A -- Dolinski, K -- Mohr, S -- Smith, T -- Weng, S -- Cherry, J M -- Botstein, D -- HG 00044/HG/NHGRI NIH HHS/ -- HG01315/HG/NHGRI NIH HHS/ -- P41 HG001315/HG/NHGRI NIH HHS/ -- P41 HG001315-16/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 1998 Dec 11;282(5396):2022-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305-5120, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9851918" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/*chemistry/genetics/physiology ; Evolution, Molecular ; Fungal Proteins/*chemistry/genetics/physiology ; Gene Expression Regulation ; Genes, Fungal ; Genes, Helminth ; Helminth Proteins/*chemistry/genetics/physiology ; Saccharomyces cerevisiae/*chemistry/genetics/physiology ; Sequence Homology, Amino Acid ; Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Functional expression of a mammalian odorant receptor (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-31
    Description: Candidate mammalian odorant receptors were first cloned some 6 years ago. The physiological function of these receptors in initiating transduction in olfactory receptor neurons remains to be established. Here, a recombinant adenovirus was used to drive expression of a particular receptor gene in an increased number of sensory neurons in the rat olfactory epithelium. Electrophysiological recording showed that increased expression of a single gene led to greater sensitivity to a small subset of odorants.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, H -- Ivic, L -- Otaki, J M -- Hashimoto, M -- Mikoshiba, K -- Firestein, S -- New York, N.Y. -- Science. 1998 Jan 9;279(5348):237-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Interdepartmental Neuroscience Program, Yale University, New Haven, CT 06510, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9422698" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics/physiology ; Aldehydes/metabolism/*pharmacology ; Animals ; Electrophysiology ; Female ; Gene Expression ; Genetic Vectors ; Green Fluorescent Proteins ; Luminescent Proteins/analysis/genetics ; Male ; *Odors ; Olfactory Receptor Neurons/*physiology/virology ; Patch-Clamp Techniques ; Rats ; Rats, Sprague-Dawley ; Receptors, Odorant/genetics/metabolism/*physiology ; Recombinant Proteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Fertilization defects in sperm from mice lacking fertilin beta (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-22
    Description: Fertilin, a member of the ADAM family, is found on the plasma membrane of mammalian sperm. Sperm from mice lacking fertilin beta were shown to be deficient in sperm-egg membrane adhesion, sperm-egg fusion, migration from the uterus into the oviduct, and binding to the egg zona pellucida. Egg activation was unaffected. The results are consistent with a direct role of fertilin in sperm-egg plasma membrane interaction. Fertilin could also have a direct role in sperm-zona binding or oviduct migration; alternatively, the effects on these functions could result from the absence of fertilin activity during spermatogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, C -- Bunch, D O -- Faure, J E -- Goulding, E H -- Eddy, E M -- Primakoff, P -- Myles, D G -- HD16580/HD/NICHD NIH HHS/ -- U54HD29125/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1857-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Molecular and Cellular Biology, University of California, Davis, CA 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9743500" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins ; Animals ; Calcium/metabolism ; Cell Adhesion ; Cell Membrane/physiology ; Fallopian Tubes ; Female ; Male ; Membrane Fusion ; Membrane Glycoproteins/genetics/metabolism/*physiology ; Metalloendopeptidases/genetics/metabolism/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Ovum/physiology ; Sperm Capacitation ; *Sperm-Ovum Interactions ; Spermatogenesis ; Spermatozoa/chemistry/*physiology ; Zona Pellucida/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Single gene controls fruit fly life-span (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Oct 30;282(5390):856.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841425" target="_blank"〉PubMed〈/a〉
    Keywords: Aging/genetics ; Animals ; Caenorhabditis elegans Proteins ; Drosophila/*genetics/physiology ; *Drosophila Proteins ; GTP-Binding Proteins/chemistry/*genetics/metabolism/physiology ; *Genes, Insect ; Longevity/genetics ; Mutation ; Receptor, Insulin/genetics/physiology ; Receptors, Cell Surface/chemistry/*genetics/physiology ; *Receptors, G-Protein-Coupled ; Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    CBP: a signal-regulated transcriptional coactivator controlled by nuclear calcium and CaM kinase IV (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-04
    Description: Recruitment of the coactivator, CREB binding protein (CBP), by signal-regulated transcription factors, such as CREB [adenosine 3', 5'-monophosphate (cAMP) response element binding protein], is critical for stimulation of gene expression. The mouse pituitary cell line AtT20 was used to show that the CBP recruitment step (CREB phosphorylation on serine-133) can be uncoupled from CREB/CBP-activated transcription. CBP was found to contain a signal-regulated transcriptional activation domain that is controlled by nuclear calcium and calcium/calmodulin-dependent (CaM) protein kinase IV and by cAMP. Cytoplasmic calcium signals that stimulate the Ras mitogen-activated protein kinase signaling cascade or expression of the activated form of Ras provided the CBP recruitment signal but did not increase CBP activity and failed to activate CREB- and CBP-mediated transcription. These results identify CBP as a signal-regulated transcriptional coactivator and define a regulatory role for nuclear calcium and cAMP in CBP-dependent gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chawla, S -- Hardingham, G E -- Quinn, D R -- Bading, H -- New York, N.Y. -- Science. 1998 Sep 4;281(5382):1505-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council, Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9727976" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CREB-Binding Protein ; Calcium/*metabolism ; Calcium Channels/metabolism ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 ; Calcium-Calmodulin-Dependent Protein Kinase Type 4 ; Calcium-Calmodulin-Dependent Protein Kinases/antagonists & inhibitors/*metabolism ; Cell Line ; Cell Nucleus/*metabolism ; Cyclic AMP/metabolism ; Cyclic AMP Response Element-Binding Protein/metabolism ; Cytoplasm/metabolism ; Genes, Reporter ; Mice ; Models, Genetic ; Nuclear Proteins/*metabolism ; Phosphorylation ; Phosphoserine/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Trans-Activators/*metabolism ; Transcription, Genetic ; *Transcriptional Activation ; ras Proteins/metabolism
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    Autophosphorylation at Thr286 of the alpha calcium-calmodulin kinase II in LTP and learning (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-28
    Description: The calcium-calmodulin-dependent kinase II (CaMKII) is required for hippocampal long-term potentiation (LTP) and spatial learning. In addition to its calcium-calmodulin (CaM)-dependent activity, CaMKII can undergo autophosphorylation, resulting in CaM-independent activity. A point mutation was introduced into the alphaCaMKII gene that blocked the autophosphorylation of threonine at position 286 (Thr286) of this kinase without affecting its CaM-dependent activity. The mutant mice had no N-methyl-D-aspartate receptor-dependent LTP in the hippocampal CA1 area and showed no spatial learning in the Morris water maze. Thus, the autophosphorylation of alphaCaMKII at Thr286 appears to be required for LTP and learning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giese, K P -- Fedorov, N B -- Filipkowski, R K -- Silva, A J -- AG13622/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1998 Feb 6;279(5352):870-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9452388" target="_blank"〉PubMed〈/a〉
    Keywords: 2-Amino-5-phosphonovalerate/pharmacology ; 6-Cyano-7-nitroquinoxaline-2,3-dione/pharmacology ; Animals ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 ; Calcium-Calmodulin-Dependent Protein Kinases/genetics/*metabolism ; Calmodulin/metabolism ; Gene Targeting ; Hippocampus/metabolism/*physiology ; *Long-Term Potentiation/drug effects ; *Maze Learning ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Patch-Clamp Techniques ; Phosphorylation ; Phosphothreonine/metabolism ; Picrotoxin/pharmacology ; Point Mutation ; Pyramidal Cells/*physiology ; Receptors, N-Methyl-D-Aspartate/physiology ; Synaptic Transmission
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The future of bioengineering (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slocum, D L -- New York, N.Y. -- Science. 1998 Jul 10;281(5374):175-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9687276" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Science Disciplines/*trends ; Biomedical Engineering/*trends ; Biotechnology/*trends ; Engineering/*trends
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Heisenberg meets photobiology? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oren, D A -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):969.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9490481" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Clocks/*physiology ; *Circadian Rhythm ; Drosophila/*physiology ; Fluorescent Dyes ; Green Fluorescent Proteins ; *Light Signal Transduction ; Luciferases ; Luminescent Proteins ; Photoreceptor Cells, Invertebrate/*physiology
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    Identification of a cullin homology region in a subunit of the anaphase-promoting complex (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: The anaphase-promoting complex is composed of eight protein subunits, including BimE (APC1), CDC27 (APC3), CDC16 (APC6), and CDC23 (APC8). The remaining four human APC subunits, APC2, APC4, APC5, and APC7, as well as human CDC23, were cloned. APC7 contains multiple copies of the tetratrico peptide repeat, similar to CDC16, CDC23, and CDC27. Whereas APC4 and APC5 share no similarity to proteins of known function, APC2 contains a region that is similar to a sequence in cullins, a family of proteins implicated in the ubiquitination of G1 phase cyclins and cyclin-dependent kinase inhibitors. The APC2 gene is essential in Saccharomyces cerevisiae, and apc2 mutants arrest at metaphase and are defective in the degradation of Pds1p. APC2 and cullins may be distantly related members of a ubiquitin ligase family that targets cell cycle regulators for degradation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, H -- Peters, J M -- King, R W -- Page, A M -- Hieter, P -- Kirschner, M W -- CA16519/CA/NCI NIH HHS/ -- GM26875-17/GM/NIGMS NIH HHS/ -- GM39023-08/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Feb 20;279(5354):1219-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9469815" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Anaphase ; Anaphase-Promoting Complex-Cyclosome ; Animals ; Apc1 Subunit, Anaphase-Promoting Complex-Cyclosome ; Apc2 Subunit, Anaphase-Promoting Complex-Cyclosome ; Apc4 Subunit, Anaphase-Promoting Complex-Cyclosome ; Apc5 Subunit, Anaphase-Promoting Complex-Cyclosome ; Apc7 Subunit, Anaphase-Promoting Complex-Cyclosome ; Apc8 Subunit, Anaphase-Promoting Complex-Cyclosome ; Cell Cycle/*physiology ; Cell Cycle Proteins/chemistry ; Cloning, Molecular ; *Cullin Proteins ; Helminth Proteins/chemistry ; Humans ; Ligases/*chemistry/genetics/metabolism ; Molecular Sequence Data ; Mutation ; Open Reading Frames ; Phylogeny ; Proteins/chemistry ; Saccharomyces cerevisiae/chemistry/cytology/genetics ; *Saccharomyces cerevisiae Proteins ; Sequence Alignment ; *Ubiquitin-Protein Ligase Complexes ; Ubiquitin-Protein Ligases
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A genomic battle of the sexes (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Sep 25;281(5385):1984-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9767051" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arabidopsis/embryology/genetics ; *Biological Evolution ; Embryonic and Fetal Development/*genetics ; Female ; Genes, Plant ; *Genomic Imprinting ; Humans ; Insects/*genetics ; Male ; Peromyscus ; Seeds/*growth & development
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Training viruses to attack cancers (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 13;282(5392):1244-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9867627" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division ; Clinical Trials as Topic ; Combined Modality Therapy ; *Genes, p53 ; *Genes, ras ; Humans ; Mice ; Mutation ; Neoplasms/genetics/pathology/*therapy/virology ; *Virus Physiological Phenomena ; Virus Replication
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Spacelab's worth (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ostrach, S -- New York, N.Y. -- Science. 1998 Jun 26;280(5372):2027, 2029.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9669954" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Research ; Space Flight ; *Spacecraft ; *Weightlessness
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    A fruitful scoop for ancient DNA (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, E -- New York, N.Y. -- Science. 1998 Jul 17;281(5375):319-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9705702" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA, Mitochondrial/analysis/*isolation & purification ; DNA, Plant/analysis/*isolation & purification ; Diet ; Feces/*chemistry ; *Fossils ; Hominidae ; Humans ; *Sloths/genetics ; Thiazoles
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    Axonal swellings and degeneration in mice lacking the major proteolipid of myelin (1998)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1998-06-11
    Description: Glial cells produce myelin and contribute to axonal morphology in the nervous system. Two myelin membrane proteolipids, PLP and DM20, were shown to be essential for the integrity of myelinated axons. In the absence of PLP-DM20, mice assembled compact myelin sheaths but subsequently developed widespread axonal swellings and degeneration, associated predominantly with small-caliber nerve fibers. Similar swellings were absent in dysmyelinated shiverer mice, which lack myelin basic protein (MBP), but recurred in MBP*PLP double mutants. Thus, fiber degeneration, which was probably secondary to impaired axonal transport, could indicate that myelinated axons require local oligodendroglial support.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Griffiths, I -- Klugmann, M -- Anderson, T -- Yool, D -- Thomson, C -- Schwab, M H -- Schneider, A -- Zimmermann, F -- McCulloch, M -- Nadon, N -- Nave, K A -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1610-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Applied Neurobiology Group, Department of Veterinary Clinical Studies, University of Glasgow, Glasgow G61 1QH, Scotland, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axonal Transport ; Axons/*physiology/*ultrastructure ; Cell Communication ; Central Nervous System/*ultrastructure ; Female ; Mice ; Mice, Neurologic Mutants ; Models, Neurological ; Motor Activity ; Myelin Proteolipid Protein/analysis/genetics/*physiology ; Myelin Sheath/chemistry/physiology/ultrastructure ; Nerve Degeneration/*pathology ; *Nerve Tissue Proteins ; Oligodendroglia/physiology ; Optic Nerve/ultrastructure ; Organelles/ultrastructure ; Spinal Cord/ultrastructure ; Transgenes
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Females pick good genes in frogs, flies (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Jun 19;280(5371):1837-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9669933" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/*genetics/physiology ; Diptera/*genetics/physiology ; Eye/anatomy & histology ; Female ; *Genes ; Male ; Sex Ratio ; *Sexual Behavior, Animal ; Vocalization, Animal
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    New goals for the U.S. Human Genome Project: 1998-2003 (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-23
    Description: The Human Genome Project has successfully completed all the major goals in its current 5-year plan, covering the period 1993-98. A new plan, for 1998-2003, is presented, in which human DNA sequencing will be the major emphasis. An ambitious schedule has been set to complete the full sequence by the end of 2003, 2 years ahead of previous projections. In the course of completing the sequence, a "working draft" of the human sequence will be produced by the end of 2001. The plan also includes goals for sequencing technology development; for studying human genome sequence variation; for developing technology for functional genomics; for completing the sequence of Caenorhabditis elegans and Drosophila melanogaster and starting the mouse genome; for studying the ethical, legal, and social implications of genome research; for bioinformatics and computational studies; and for training of genome scientists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, F S -- Patrinos, A -- Jordan, E -- Chakravarti, A -- Gesteland, R -- Walters, L -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):682-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA. fc23a@nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9784121" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bioethics ; Computational Biology ; Databases, Factual ; Databases, Nucleic Acid ; Federal Government ; Genetic Research ; Genetic Variation ; Genome ; Genome, Human ; *Human Genome Project/economics/organization & administration ; Humans ; Information Dissemination ; International Cooperation ; Internationality ; Molecular Biology/education ; Point Mutation ; Polymorphism, Genetic ; Sequence Analysis, DNA/economics/methods ; Sociology ; Species Specificity ; Time Factors ; United States
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    Cloning for profit (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, G B -- Seidel, G E -- New York, N.Y. -- Science. 1998 May 29;280(5368):1400-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Science, University of California at Davis, Davis, CA 95616-8521, USA. gbanderson@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Genetically Modified ; Cell Cycle ; *Cloning, Organism ; Embryo, Mammalian/cytology ; Embryo, Nonmammalian ; Fetus/cytology ; Fibroblasts/cytology ; Genetic Engineering ; *Nuclear Transfer Techniques ; Plants/genetics ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A calcium sensor homolog required for plant salt tolerance (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-25
    Description: Excessive sodium (Na+) in salinized soils inhibits plant growth and development. A mutation in the SOS3 gene renders Arabidopsis thaliana plants hypersensitive to Na+-induced growth inhibition. SOS3 encodes a protein that shares significant sequence similarity with the calcineurin B subunit from yeast and neuronal calcium sensors from animals. The results suggest that intracellular calcium signaling through a calcineurin-like pathway mediates the beneficial effect of calcium on plant salt tolerance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, J -- Zhu, J K -- New York, N.Y. -- Science. 1998 Jun 19;280(5371):1943-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Sciences, University of Arizona, Tucson, AZ 85721, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9632394" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Arabidopsis/*genetics/*growth & development/metabolism ; *Arabidopsis Proteins ; Binding Sites ; Calcineurin/chemistry ; Calcium/*metabolism/pharmacology ; Calcium-Binding Proteins/chemistry ; Chromosome Mapping ; Cloning, Molecular ; Genes, Plant ; Ion Transport ; Molecular Sequence Data ; Mutation ; Open Reading Frames ; Plant Proteins/*chemistry/*genetics ; Saccharomyces cerevisiae/chemistry ; Signal Transduction ; Sodium/metabolism/*pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Postsynaptic membrane fusion and long-term potentiation (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: The possibility that membrane fusion events in the postsynaptic cell may be required for the change in synaptic strength resulting from long-term potentiation (LTP) was examined. Introducing substances into the postsynaptic cell that block membrane fusion at a number of different steps reduced LTP. Introducing SNAP, a protein that promotes membrane fusion, into cells enhanced synaptic transmission, and this enhancement was significantly less when generated in synapses that expressed LTP. Thus, postsynaptic fusion events, which could be involved either in retrograde signaling or in regulating postsynaptic receptor function or both, contribute to LTP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lledo, P M -- Zhang, X -- Sudhof, T C -- Malenka, R C -- Nicoll, R A -- New York, N.Y. -- Science. 1998 Jan 16;279(5349):399-403.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9430593" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Botulinum Toxins/pharmacology ; Carrier Proteins/metabolism/pharmacology ; Ethylmaleimide/pharmacology ; Excitatory Postsynaptic Potentials ; Exocytosis ; Guinea Pigs ; Hippocampus/drug effects/*physiology ; In Vitro Techniques ; *Long-Term Potentiation/drug effects ; *Membrane Fusion ; Membrane Proteins/metabolism/pharmacology ; Molecular Sequence Data ; N-Ethylmaleimide-Sensitive Proteins ; Patch-Clamp Techniques ; Peptides/pharmacology ; Pyramidal Cells/physiology ; Receptors, N-Methyl-D-Aspartate/physiology ; Recombinant Proteins/pharmacology ; Soluble N-Ethylmaleimide-Sensitive Factor Attachment Proteins ; Synaptic Membranes/*physiology ; Synaptic Transmission ; *Vesicular Transport Proteins
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    Requirement for IL-13 independently of IL-4 in experimental asthma (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-18
    Description: The pathogenesis of asthma reflects, in part, the activity of T cell cytokines. Murine models support participation of interleukin-4 (IL-4) and the IL-4 receptor in asthma. Selective neutralization of IL-13, a cytokine related to IL-4 that also binds to the alpha chain of the IL-4 receptor, ameliorated the asthma phenotype, including airway hyperresponsiveness, eosinophil recruitment, and mucus overproduction. Administration of either IL-13 or IL-4 conferred an asthma-like phenotype to nonimmunized T cell-deficient mice by an IL-4 receptor alpha chain-dependent pathway. This pathway may underlie the genetic associations of asthma with both the human 5q31 locus and the IL-4 receptor.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3897229/" 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/PMC3897229/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grunig, G -- Warnock, M -- Wakil, A E -- Venkayya, R -- Brombacher, F -- Rennick, D M -- Sheppard, D -- Mohrs, M -- Donaldson, D D -- Locksley, R M -- Corry, D B -- 03344/PHS HHS/ -- 47412/PHS HHS/ -- K08 HL003344/HL/NHLBI NIH HHS/ -- T32 HL07185/HL/NHLBI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1998 Dec 18;282(5397):2261-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9856950" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Allergens/immunology ; Animals ; Asthma/genetics/*immunology/pathology/physiopathology ; Bronchial Hyperreactivity ; Bronchoalveolar Lavage Fluid/cytology ; Chromosomes, Human, Pair 5 ; Goblet Cells/pathology ; Humans ; Immunoglobulin Fc Fragments ; Interleukin-13/antagonists & inhibitors/genetics/pharmacology/*physiology ; Interleukin-13 Receptor alpha1 Subunit ; Interleukin-4/genetics/pharmacology/*physiology ; Mice ; Mice, Inbred BALB C ; Ovalbumin/immunology ; Phenotype ; Receptors, Interleukin/genetics/immunology/physiology ; Receptors, Interleukin-13 ; Receptors, Interleukin-4/genetics/physiology ; Recombinant Fusion Proteins/pharmacology ; Th2 Cells/immunology
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    Ligand binding. Molecular barbells (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peters, R -- Sikorski, R -- New York, N.Y. -- Science. 1998 Nov 20;282(5393):1439.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9867653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cattle ; Cyclic GMP/chemistry/*metabolism ; Cyclic GMP-Dependent Protein Kinase Type I ; Cyclic GMP-Dependent Protein Kinases/chemistry/*metabolism ; Dimerization ; Ion Channel Gating ; Ion Channels/chemistry/*metabolism ; Ligands ; Polyethylene Glycols ; Rats ; Retinal Rod Photoreceptor Cells/metabolism
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    Prevention of cardiac hypertrophy in mice by calcineurin inhibition (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-11
    Description: Hypertrophic cardiomyopathy (HCM) is an inherited form of heart disease that affects 1 in 500 individuals. Here it is shown that calcineurin, a calcium-regulated phosphatase, plays a critical role in the pathogenesis of HCM. Administration of the calcineurin inhibitors cyclosporin and FK506 prevented disease in mice that were genetically predisposed to develop HCM as a result of aberrant expression of tropomodulin, myosin light chain-2, or fetal beta-tropomyosin in the heart. Cyclosporin had a similar effect in a rat model of pressure-overload hypertrophy. These results suggest that calcineurin inhibitors merit investigation as potential therapeutics for certain forms of human heart disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sussman, M A -- Lim, H W -- Gude, N -- Taigen, T -- Olson, E N -- Robbins, J -- Colbert, M C -- Gualberto, A -- Wieczorek, D F -- Molkentin, J D -- HL58224-01/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1998 Sep 11;281(5383):1690-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Cardiovascular Biology, Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9733519" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcineurin/metabolism ; *Calcineurin Inhibitors ; Calcium/metabolism ; *Cardiac Myosins ; Cardiomegaly/metabolism/pathology/*prevention & control ; Cardiomyopathy, Dilated/pathology/*prevention & control ; Cardiomyopathy, Hypertrophic/genetics/metabolism/pathology/*prevention & control ; Carrier Proteins/genetics ; Cyclosporine/*pharmacology ; Female ; Mice ; Mice, Transgenic ; *Microfilament Proteins ; Models, Cardiovascular ; Myocardium/*metabolism/pathology ; Myosin Light Chains/genetics/metabolism ; Rats ; Signal Transduction ; Tacrolimus/*pharmacology ; Tropomodulin ; Tropomyosin/genetics
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    Regulation of nerve growth mediated by inositol 1,4,5-trisphosphate receptors in growth cones (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-30
    Description: The inositol 1,4,5-trisphosphate (IP3) receptor (IP3R) acts as a Ca2+ release channel on internal Ca2+ stores. Type 1 IP3R (IP3R1) is enriched in growth cones of neurons in chick dorsal root ganglia. Depletion of internal Ca2+ stores and inhibition of IP3 signaling with drugs inhibited neurite extension. Microinjection of heparin, a competitive IP3R blocker, induced neurite retraction. Acute localized loss of function of IP3R1 in the growth cone induced by chromophore-assisted laser inactivation resulted in growth arrest and neurite retraction. IP3-induced Ca2+ release in growth cones appears to have a crucial role in control of nerve growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takei, K -- Shin, R M -- Inoue, T -- Kato, K -- Mikoshiba, K -- New York, N.Y. -- Science. 1998 Nov 27;282(5394):1705-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Calciosignal Net Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Corporation (JST), Bunkyo-Ku, Tokyo 113-0021, Japan. kohtaro@ims.u-tokyo.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9831561" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Calcium Channels/*metabolism ; Calcium Signaling ; Cells, Cultured ; Cerebellum/metabolism ; Chick Embryo ; Ganglia, Spinal/cytology ; Growth Cones/*metabolism ; Heparin/pharmacology ; Inositol 1,4,5-Trisphosphate/*metabolism ; Inositol 1,4,5-Trisphosphate Receptors ; Lasers ; Lithium Chloride/pharmacology ; Mice ; Microscopy, Video ; Microsomes/metabolism ; Microtubules/metabolism ; Neurites/drug effects/*physiology ; Pseudopodia/drug effects/physiology ; Receptors, Cytoplasmic and Nuclear/*metabolism ; Signal Transduction ; Thapsigargin/pharmacology
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    p53-independent role of MDM2 in TGF-beta1 resistance (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-18
    Description: Transforming growth factor-beta (TGF-beta) inhibits cell proliferation, and acquisition of TGF-beta resistance has been linked to tumorigenesis. A genetic screen was performed to identify complementary DNAs that abrogated TGF-beta sensitivity in mink lung epithelial cells. Ectopic expression of murine double minute 2 rescued TGF-beta-induced growth arrest in a p53-independent manner by interference with retinoblastoma susceptibility gene product (Rb)/E2F function. In human breast tumor cells, increased MDM2 expression levels correlated with TGF-beta resistance. Thus, MDM2 may confer TGF-beta resistance in a subset of tumors and may promote tumorigenesis by interference with two independent tumor suppressors, p53 and Rb.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, P -- Dong, P -- Dai, K -- Hannon, G J -- Beach, D -- New York, N.Y. -- Science. 1998 Dec 18;282(5397):2270-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold Spring Harbor, NY 11724, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9856953" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/genetics/metabolism/pathology ; *Carrier Proteins ; *Cell Cycle Proteins ; *Cell Division ; Cell Line ; Cell Transformation, Neoplastic ; *DNA-Binding Proteins ; Drug Resistance, Neoplasm ; E2F Transcription Factors ; Gene Expression ; Genes, Retinoblastoma ; Genes, p53 ; Genetic Vectors ; Humans ; Mice ; Mink ; *Nuclear Proteins ; Phosphorylation ; Proto-Oncogene Proteins/genetics/*physiology ; Proto-Oncogene Proteins c-mdm2 ; Retinoblastoma Protein/metabolism ; Retinoblastoma-Binding Protein 1 ; Signal Transduction ; Transcription Factor DP1 ; Transcription Factors/genetics/metabolism ; Transcription, Genetic ; Transforming Growth Factor beta/*pharmacology/physiology ; Tumor Cells, Cultured ; Tumor Suppressor Protein p53/*physiology
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    Inhibition of cell migration, spreading, and focal adhesions by tumor suppressor PTEN (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-11
    Description: The tumor suppressor PTEN is a phosphatase with sequence similarity to the cytoskeletal protein tensin. Here the cellular roles of PTEN were investigated. Overexpression of PTEN inhibited cell migration, whereas antisense PTEN enhanced migration. Integrin-mediated cell spreading and the formation of focal adhesions were down-regulated by wild-type PTEN but not by PTEN with an inactive phosphatase domain. PTEN interacted with the focal adhesion kinase FAK and reduced its tyrosine phosphorylation. Overexpression of FAK partially antagonized the effects of PTEN. Thus, PTEN phosphatase may function as a tumor suppressor by negatively regulating cell interactions with the extracellular matrix.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tamura, M -- Gu, J -- Matsumoto, K -- Aota, S -- Parsons, R -- Yamada, K M -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1614-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Craniofacial Developmental Biology and Regeneration Branch, National Institute of Dental Research, National Institutes of Health, Bethesda, MD 20892-4370, USA. mtamura@yoda.nidr.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616126" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; *Cell Adhesion ; Cell Adhesion Molecules/metabolism ; Cell Line ; *Cell Movement ; Cell Size ; Concanavalin A ; Down-Regulation ; Ecdysone/pharmacology ; Fibronectins ; Focal Adhesion Kinase 1 ; Focal Adhesion Protein-Tyrosine Kinases ; Genes, Tumor Suppressor ; Humans ; Integrins/physiology ; Mice ; Mutation ; PTEN Phosphohydrolase ; *Phosphoric Monoester Hydrolases ; Phosphorylation ; Polylysine ; Protein Tyrosine Phosphatases/genetics/metabolism/pharmacology/*physiology ; Protein-Tyrosine Kinases/metabolism ; Recombinant Proteins/pharmacology ; Signal Transduction ; Transfection ; Tumor Cells, Cultured ; *Tumor Suppressor Proteins
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    Uncoupling of immune complex formation and kidney damage in autoimmune glomerulonephritis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: The generation of autoantibody and subsequent tissue deposition of immune complexes (IC) is thought to trigger the pathogenic consequences of systemic autoimmune disease. Modulation of the autoantibody response disrupts pathogenesis by preventing the formation of ICs; however, uncoupling IC formation from subsequent inflammatory responses seems unlikely because of the apparent complexity of the IC-triggered inflammatory cascade. However, the disruption of a single gene, which encodes the gamma chain of the Fc receptor, was found to achieve this uncoupling in a spontaneous model of lupus nephritis, the New Zealand Black/New Zealand White (NZB/NZW) mouse. Gamma chain-deficient NZB/NZW mice generated and deposited IC and activated complement, but were protected from severe nephritis, thus defining another potential pathway for therapeutic intervention in autoimmune disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clynes, R -- Dumitru, C -- Ravetch, J V -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):1052-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Genetics and Immunology, The Rockefeller University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9461440" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Antinuclear/blood ; Antigen-Antibody Complex/blood/*immunology ; *Complement Activation ; Complement System Proteins/analysis ; Crosses, Genetic ; Disease Models, Animal ; Glomerular Mesangium/immunology/pathology ; Kidney Glomerulus/*immunology/*pathology ; Lupus Nephritis/*immunology/pathology ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Receptors, IgG/genetics/*immunology
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    New clue to how anthrax kills (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1998 May 1;280(5364):676.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9599144" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthrax/microbiology ; *Antigens, Bacterial ; Bacillus anthracis/enzymology/*pathogenicity ; Bacterial Toxins/metabolism/*toxicity ; Cytokines/biosynthesis ; Enzyme Inhibitors/metabolism/toxicity ; Humans ; MAP Kinase Kinase 1 ; MAP Kinase Kinase 2 ; Macrophages/immunology ; Metalloendopeptidases/metabolism ; *Mitogen-Activated Protein Kinase Kinases ; Oocytes/physiology ; Protein-Serine-Threonine Kinases/*antagonists & inhibitors/metabolism ; Protein-Tyrosine Kinases/*antagonists & inhibitors/metabolism
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    Chaos, persistence, and evolution of strain structure in antigenically diverse infectious agents (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: The effects of selection by host immune responses on transmission dynamics was analyzed in a broad class of antigenically diverse pathogens. Strong selection can cause pathogen populations to stably segregate into discrete strains with nonoverlapping antigenic repertoires. However, over a wide range of intermediate levels of selection, strain structure is unstable, varying in a manner that is either cyclical or chaotic. These results have implications for the interpretation of longitudinal epidemiological data on strain or serotype abundance, design of surveillance strategies, and the assessment of multivalent vaccine trials.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gupta, S -- Ferguson, N -- Anderson, R -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 1998 May 8;280(5365):912-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Centre for the Epidemiology of Infectious Disease, Zoology Department, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. sunetra.gupta@zoology.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9572737" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Antibody Formation ; *Antigenic Variation ; Antigens, Bacterial/immunology ; Antigens, Protozoan/immunology ; Antigens, Viral/immunology ; Bacteria/classification/genetics/*immunology/pathogenicity ; Cross Reactions ; Eukaryota/classification/genetics/*immunology/pathogenicity ; Humans ; Immunity ; Infection/epidemiology/*immunology/microbiology/parasitology/transmission ; Mathematics ; Models, Biological ; Nonlinear Dynamics ; Serotyping ; Viruses/classification/genetics/*immunology/pathogenicity
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    NIH concocts a booster shot for HIV vaccines (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1998 Aug 28;281(5381):1270-1, 1273.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9735038" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines/economics ; Animals ; Budgets ; Clinical Trials as Topic ; Drug Evaluation, Preclinical ; Drug Industry/economics ; Haplorhini ; Humans ; *National Institutes of Health (U.S.)/organization & administration ; Research/organization & administration ; Research Support as Topic ; United Nations ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Infections: a cause of artery-clogging plaques? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gura, T -- New York, N.Y. -- Science. 1998 Jul 3;281(5373):35,37.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9679016" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/*therapeutic use ; Arteriosclerosis/*microbiology/virology ; Bacterial Infections/*complications/drug therapy/microbiology ; Chlamydia Infections/complications/drug therapy/microbiology ; Chlamydophila pneumoniae/isolation & purification ; Clinical Trials as Topic ; Cytomegalovirus Infections/complications ; Heart Diseases/*prevention & control ; Helicobacter Infections/complications/microbiology ; Helicobacter pylori/pathogenicity ; Humans ; Rabbits
    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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  • 144
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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
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    Heartthrobs (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanck, D -- New York, N.Y. -- Science. 1998 Feb 13;279(5353):1004.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Chicago, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9490476" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*metabolism ; Calcium Channels/*metabolism ; Ion Channel Gating ; Muscle, Skeletal/metabolism ; Myocardial Contraction/*physiology ; Myocardium/*metabolism ; Rats ; Ryanodine Receptor Calcium Release Channel/metabolism ; Sarcolemma/metabolism ; Sarcoplasmic Reticulum/metabolism ; Sodium Channels/*metabolism
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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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    Death receptors: signaling and modulation (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-28
    Description: Apoptosis is a cell suicide mechanism that enables metazoans to control cell number in tissues and to eliminate individual cells that threaten the animal's survival. Certain cells have unique sensors, termed death receptors, on their surface. Death receptors detect the presence of extracellular death signals and, in response, they rapidly ignite the cell's intrinsic apoptosis machinery.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ashkenazi, A -- Dixit, V M -- New York, N.Y. -- Science. 1998 Aug 28;281(5381):1305-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Oncology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA. aa@gene.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9721089" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD/metabolism ; Antigens, CD95/metabolism ; *Apoptosis ; Humans ; Neoplasms/drug therapy/pathology ; Receptors, Cell Surface/*metabolism ; Receptors, TNF-Related Apoptosis-Inducing Ligand ; Receptors, Tumor Necrosis Factor/*metabolism ; Receptors, Tumor Necrosis Factor, Member 25 ; Receptors, Tumor Necrosis Factor, Type I ; Signal Transduction
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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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    Cope's rule and the dynamics of body mass evolution in North American fossil mammals (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-23
    Description: Body mass estimates for 1534 North American fossil mammal species show that new species are on average 9.1% larger than older species in the same genera. This within-lineage effect is not a sampling bias. It persists throughout the Cenozoic, accounting for the gradual overall increase in average mass (Cope's rule). The effect is stronger for larger mammals, being near zero for small mammals. This variation partially explains the unwavering lower size limit and the gradually expanding mid-sized gap, but not the sudden large increase in the upper size limit, at the Cretaceous-Tertiary boundary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alroy, J -- New York, N.Y. -- Science. 1998 May 1;280(5364):731-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, Smithsonian Institution, MRC 121, Washington, DC 20560, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9563948" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Body Constitution ; Body Weight ; *Fossils ; Mammals/*anatomy & histology ; Mathematics ; North America
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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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
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    One-eyed animals implicate cholesterol in development (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1528-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9644017" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Drug-Induced/etiology ; Animals ; Cell Membrane/metabolism ; Cholesterol/*metabolism ; Endoplasmic Reticulum/metabolism ; Eye Abnormalities/chemically induced/*etiology/veterinary ; Hedgehog Proteins ; Holoprosencephaly/chemically induced/*etiology/veterinary ; Humans ; Membrane Proteins/metabolism ; Proteins/genetics/*metabolism ; Receptors, Cell Surface ; Signal Transduction ; Teratogens/metabolism/*toxicity ; *Trans-Activators ; Veratrum Alkaloids/*toxicity
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  • 150
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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
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  • 151
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    Zebrafish hox clusters and vertebrate genome evolution (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-30
    Description: HOX genes specify cell fate in the anterior-posterior axis of animal embryos. Invertebrate chordates have one HOX cluster, but mammals have four, suggesting that cluster duplication facilitated the evolution of vertebrate body plans. This report shows that zebrafish have seven hox clusters. Phylogenetic analysis and genetic mapping suggest a chromosome doubling event, probably by whole genome duplication, after the divergence of ray-finned and lobe-finned fishes but before the teleost radiation. Thus, teleosts, the most species-rich group of vertebrates, appear to have more copies of these developmental regulatory genes than do mammals, despite less complexity in the anterior-posterior axis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amores, A -- Force, A -- Yan, Y L -- Joly, L -- Amemiya, C -- Fritz, A -- Ho, R K -- Langeland, J -- Prince, V -- Wang, Y L -- Westerfield, M -- Ekker, M -- Postlethwait, J H -- P01HD22486/HD/NICHD NIH HHS/ -- R01RR10715/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1998 Nov 27;282(5394):1711-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Neuroscience, University of Oregon, Eugene, OR 97403, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9831563" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; Chromosomes/genetics ; *Evolution, Molecular ; Gene Duplication ; *Genes, Homeobox ; *Genome ; Models, Genetic ; *Multigene Family ; Phylogeny ; Pseudogenes ; Zebrafish/*genetics
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  • 152
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    Flying by the seat of their halteres (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Apr 10;280(5361):201-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9565529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Cues ; Diptera/anatomy & histology/*physiology ; Flight, Animal/*physiology ; Muscle, Skeletal/innervation/physiology ; Neural Pathways ; Neurons, Afferent/*physiology ; Neurons, Efferent/*physiology ; Photoreceptor Cells, Invertebrate/physiology ; Vision, Ocular ; Wings, Animal/innervation/*physiology
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  • 153
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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
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  • 154
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    How anthrax kills (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanna, P -- New York, N.Y. -- Science. 1998 Jun 12;280(5370):1671, 1673-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9660700" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthrax/drug therapy/prevention & control ; *Antigens, Bacterial ; Bacillus anthracis/immunology/*pathogenicity ; Bacterial Toxins/antagonists & inhibitors/metabolism/*pharmacology ; Bacterial Vaccines ; Cell Survival ; Flavonoids/pharmacology ; Humans ; Macrophages/cytology ; Mitogen-Activated Protein Kinase Kinases ; Protease Inhibitors/pharmacology/therapeutic use ; *Protein Kinase Inhibitors ; Protein Kinases/metabolism ; Tumor Cells, Cultured ; Virulence
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  • 155
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    Boundary formation in Drosophila wing: Notch activity attenuated by the POU protein Nubbin (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-17
    Description: Cell interactions mediated by Notch-family receptors have been implicated in the specification of tissue boundaries in vertebrate and insect development. Although Notch ligands are often widely expressed, tightly localized activation of Notch is critical for the formation of sharp boundaries. Evidence is presented here that the POU domain protein Nubbin contributes to the formation of a sharp dorsoventral boundary in the Drosophila wing. Nubbin represses Notch-dependent target genes and sets a threshold for Notch activity that defines the spatial domain of boundary-specific gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neumann, C J -- Cohen, S M -- New York, N.Y. -- Science. 1998 Jul 17;281(5375):409-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9665883" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium-Binding Proteins ; Drosophila/genetics/*growth & development/metabolism ; *Drosophila Proteins ; Enhancer Elements, Genetic ; *Gene Expression Regulation ; Genes, Insect ; Homeodomain Proteins/genetics/metabolism/*physiology ; Insect Proteins/genetics/physiology ; Intercellular Signaling Peptides and Proteins ; Intracellular Signaling Peptides and Proteins ; Ligands ; Membrane Proteins/genetics/*physiology ; Mutation ; *N-Acetylglucosaminyltransferases ; Nuclear Proteins/genetics/physiology ; POU Domain Factors ; Proto-Oncogene Proteins/genetics/physiology ; Receptors, Notch ; Signal Transduction ; Transcription Factors/genetics/metabolism/*physiology ; Wings, Animal/*growth & development/metabolism ; Wnt1 Protein
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  • 156
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    Exploiting the basis of proline recognition by SH3 and WW domains: design of N-substituted inhibitors (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-16
    Description: Src homology 3 (SH3) and WW protein interaction domains bind specific proline-rich sequences. However, instead of recognizing critical prolines on the basis of side chain shape or rigidity, these domains broadly accepted amide N-substituted residues. Proline is apparently specifically selected in vivo, despite low complementarity, because it is the only endogenous N-substituted amino acid. This discriminatory mechanism explains how these domains achieve specific but low-affinity recognition, a property that is necessary for transient signaling interactions. The mechanism can be exploited: screening a series of ligands in which key prolines were replaced by nonnatural N-substituted residues yielded a ligand that selectively bound the Grb2 SH3 domain with 100 times greater affinity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nguyen, J T -- Turck, C W -- Cohen, F E -- Zuckermann, R N -- Lim, W A -- New York, N.Y. -- Science. 1998 Dec 11;282(5396):2088-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9851931" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; *Caenorhabditis elegans Proteins ; Carrier Proteins/chemistry/metabolism ; Crystallization ; Crystallography, X-Ray ; GRB2 Adaptor Protein ; Helminth Proteins/chemistry/metabolism ; Humans ; Ligands ; Models, Molecular ; Molecular Sequence Data ; Oligopeptides/chemistry/*metabolism ; Phosphoproteins/chemistry/metabolism ; Proline/chemistry/*metabolism ; Protein Engineering ; Proteins/chemistry/metabolism ; Proto-Oncogene Proteins/chemistry/metabolism ; Proto-Oncogene Proteins c-crk ; Sequence Homology, Amino Acid ; *src Homology Domains
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  • 157
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    Promoter logic (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wray, G A -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1871-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolution, State University of New York, Stony Brook, NY 11794-5245, USA. gwray@life.bio.sunysb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9537905" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion Molecules/*genetics ; Computer Simulation ; Gastrula ; *Gene Expression Regulation, Developmental ; Genes, Reporter ; Models, Genetic ; Promoter Regions, Genetic/*physiology ; Proteins/*genetics ; Sea Urchins/embryology/genetics/metabolism ; *Transcription, Genetic
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    Hyperinnervation of neuromuscular junctions caused by GDNF overexpression in muscle (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-28
    Description: Overexpression of glial cell line-derived neurotrophic factor (GDNF) by muscle greatly increased the number of motor axons innervating neuromuscular junctions in neonatal mice. The extent of hyperinnervation correlated with the amount of GDNF expressed in four transgenic lines. Overexpression of GDNF by glia and overexpression of neurotrophin-3 and neurotrophin-4 in muscle did not cause hyperinnervation. Thus, increased amounts of GDNF in postsynaptic target cells can regulate the number of innervating axons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nguyen, Q T -- Parsadanian, A S -- Snider, W D -- Lichtman, J W -- New York, N.Y. -- Science. 1998 Mar 13;279(5357):1725-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Neurobiology, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9497292" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology/ultrastructure ; Gene Expression Regulation ; Glial Cell Line-Derived Neurotrophic Factor ; Mice ; Mice, Transgenic ; Motor Neurons/*physiology/ultrastructure ; Muscle Contraction ; Muscle Fibers, Skeletal/*metabolism/ultrastructure ; Myogenin/genetics ; Nerve Growth Factors/genetics/physiology ; Nerve Tissue Proteins/*genetics/*physiology ; Neuroglia/metabolism ; Neuromuscular Junction/*ultrastructure ; Neuronal Plasticity ; Neurotrophin 3 ; Promoter Regions, Genetic ; Synapses/physiology ; Transgenes
    Print ISSN: 0036-8075
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    Signals that regulate food intake and energy homeostasis (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: Feeding behavior is critical for survival. In addition to providing all of the body's macronutrients (carbohydrates, lipids, and proteins) and most micronutrients (minerals and vitamins), feeding behavior is a fundamental aspect of energy homeostasis, the process by which body fuel stored in the form of adipose tissue is held constant over long intervals. For this process to occur, the amount of energy consumed must match precisely the amount of energy expended. This review focuses on the molecular signals that modulate food intake while integrating the body's immediate and long-term energy needs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woods, S C -- Seeley, R J -- Porte, D Jr -- Schwartz, M W -- DK 17844/DK/NIDDK NIH HHS/ -- DK 54080/DK/NIDDK NIH HHS/ -- DK 54890/DK/NIDDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1998 May 29;280(5368):1378-83.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry, University of Cincinnati Medical Center, Post Office Box 670559, Cincinnati, OH 45267-0559, USA. swoods@uc.campus.mci.net〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9603721" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/*metabolism ; Animals ; Body Weight ; Brain/metabolism ; *Eating ; *Energy Metabolism ; Homeostasis ; Hormones/physiology ; Humans ; Neuropeptides/physiology ; Satiation
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  • 160
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    Feedback inhibition of macrophage tumor necrosis factor-alpha production by tristetraprolin (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-14
    Description: Tumor necrosis factor-alpha (TNF-alpha) is a major mediator of both acute and chronic inflammatory responses in many diseases. Tristetraprolin (TTP), the prototype of a class of Cys-Cys-Cys-His (CCCH) zinc finger proteins, inhibited TNF-alpha production from macrophages by destabilizing its messenger RNA. This effect appeared to result from direct TTP binding to the AU-rich element of the TNF-alpha messenger RNA. TTP is a cytosolic protein in these cells, and its biosynthesis was induced by the same agents that stimulate TNF-alpha production, including TNF-alpha itself. These findings identify TTP as a component of a negative feedback loop that interferes with TNF-alpha production by destabilizing its messenger RNA. This pathway represents a potential target for anti-TNF-alpha therapies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carballo, E -- Lai, W S -- Blackshear, P J -- New York, N.Y. -- Science. 1998 Aug 14;281(5379):1001-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Office of Clinical Research and Laboratory of Signal Transduction, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9703499" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Animals ; Base Sequence ; Biological Transport ; Cell Line ; Cell Nucleus/metabolism ; Chick Embryo ; Cytosol/metabolism ; *DNA-Binding Proteins ; Feedback ; Gene Expression Regulation ; Humans ; *Immediate-Early Proteins ; Lipopolysaccharides/pharmacology ; Macrophages/*physiology ; Mice ; Mice, Knockout ; Proteins/*physiology ; RNA Probes ; RNA, Messenger/chemistry/genetics/metabolism ; Transfection ; Tristetraprolin ; Tumor Necrosis Factor-alpha/antagonists & inhibitors/*biosynthesis/genetics ; *Zinc Fingers
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    A tale of two transmitters (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nicoll, R A -- Malenka, R C -- New York, N.Y. -- Science. 1998 Jul 17;281(5375):360-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94143-0450, USA. nicoll@phy.ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9705712" target="_blank"〉PubMed〈/a〉
    Keywords: *Amino Acid Transport Systems, Neutral ; Animals ; Carrier Proteins/metabolism ; GABA Plasma Membrane Transport Proteins ; Glycine/*metabolism ; Glycine Plasma Membrane Transport Proteins ; Interneurons/*metabolism ; Membrane Proteins/metabolism ; *Membrane Transport Proteins ; Motor Neurons/*metabolism ; *Organic Anion Transporters ; Presynaptic Terminals/*metabolism ; Rats ; Receptor Aggregation ; Receptors, GABA/metabolism ; Receptors, Glycine/metabolism ; Spinal Cord/cytology ; Synaptic Transmission ; Synaptic Vesicles/metabolism ; gamma-Aminobutyric Acid/*metabolism
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  • 162
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    p115 RhoGEF, a GTPase activating protein for Galpha12 and Galpha13 (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-26
    Description: Members of the regulators of G protein signaling (RGS) family stimulate the intrinsic guanosine triphosphatase (GTPase) activity of the alpha subunits of certain heterotrimeric guanine nucleotide-binding proteins (G proteins). The guanine nucleotide exchange factor (GEF) for Rho, p115 RhoGEF, has an amino-terminal region with similarity to RGS proteins. Recombinant p115 RhoGEF and a fusion protein containing the amino terminus of p115 had specific activity as GTPase activating proteins toward the alpha subunits of the G proteins G12 and G13, but not toward members of the Gs, Gi, or Gq subfamilies of Galpha proteins. This GEF may act as an intermediary in the regulation of Rho proteins by G13 and G12.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kozasa, T -- Jiang, X -- Hart, M J -- Sternweis, P M -- Singer, W D -- Gilman, A G -- Bollag, G -- Sternweis, P C -- GM31954/GM/NIGMS NIH HHS/ -- GM34497/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jun 26;280(5372):2109-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9641915" target="_blank"〉PubMed〈/a〉
    Keywords: Aluminum Compounds/metabolism ; Amino Acid Sequence ; Animals ; Fluorides/metabolism ; GTP Phosphohydrolases/*metabolism ; GTP-Binding Protein alpha Subunits, G12-G13 ; GTP-Binding Proteins/*metabolism ; Guanine Nucleotide Exchange Factors ; Guanosine 5'-O-(3-Thiotriphosphate)/metabolism ; Guanosine Diphosphate/metabolism ; Guanosine Triphosphate/metabolism ; Humans ; Hydrolysis ; Molecular Sequence Data ; Proteins/chemistry/*metabolism ; Recombinant Fusion Proteins/metabolism ; Sequence Alignment ; Signal Transduction
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  • 163
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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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    Two-hybridzyme (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sikorski, R -- Peters, R -- New York, N.Y. -- Science. 1998 Sep 18;281(5384):1822-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9776687" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Binding Sites ; Caspase 3 ; *Caspases ; Cloning, Molecular ; Cysteine Endopeptidases/chemistry/*metabolism ; DNA, Complementary ; Gelsolin/*genetics/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Substrate Specificity
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  • 166
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    Cytochrome c oxidase: one enzyme, two mechanisms? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gennis, R B -- New York, N.Y. -- Science. 1998 Jun 12;280(5370):1712-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Chemical Sciences, University of Illinois, Urbana, IL 61801, USA. Gennis@aries.scs.uiuc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9660711" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Azides/chemistry/metabolism ; Binding Sites ; Cattle ; Copper/chemistry/metabolism ; Crystallography, X-Ray ; Electron Transport Complex IV/*chemistry/*metabolism ; Hydrogen Bonding ; Ion Channels ; Ligands ; Models, Chemical ; Myocardium/*enzymology ; Oxidation-Reduction ; Oxygen/metabolism ; Paracoccus denitrificans/enzymology ; Peroxides/chemistry ; Protein Conformation ; *Proton Pumps ; Proton-Motive Force ; Thermodynamics ; Water/metabolism
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  • 167
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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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  • 168
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    Cancer therapy and tumor physiology (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giaccia, A J -- Brown, J M -- Wouters, B -- Denko, N -- Koumenis, C -- New York, N.Y. -- Science. 1998 Jan 2;279(5347):12-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9441397" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/*therapeutic use ; Disease Models, Animal ; *Drug Screening Assays, Antitumor ; Neoplasm Transplantation ; Neoplasms/*drug therapy/pathology/physiopathology ; Transplantation, Heterologous ; Tumor Stem Cell Assay
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    Entry of alphaherpesviruses mediated by poliovirus receptor-related protein 1 and poliovirus receptor (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-11
    Description: A human member of the immunoglobulin superfamily was shown to mediate entry of several alphaherpesviruses, including herpes simplex viruses (HSV) 1 and 2, porcine pseudorabies virus (PRV), and bovine herpesvirus 1 (BHV-1). This membrane glycoprotein is poliovirus receptor-related protein 1 (Prr1), designated here as HveC. Incubation of HSV-1 with a secreted form of HveC inhibited subsequent infection of a variety of cell lines, suggesting that HveC interacts directly with the virus. Poliovirus receptor (Pvr) itself mediated entry of PRV and BHV-1 but not of the HSV strains tested. HveC was expressed in human cells of epithelial and neuronal origin; it is the prime candidate for the coreceptor that allows both HSV-1 and HSV-2 to infect epithelial cells on mucosal surfaces and spread to cells of the nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Geraghty, R J -- Krummenacher, C -- Cohen, G H -- Eisenberg, R J -- Spear, P G -- NS-30606/NS/NINDS NIH HHS/ -- NS-36731/NS/NINDS NIH HHS/ -- R01 AI 36293/AI/NIAID NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1618-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology-Immunology, Northwestern University Medical School, Chicago, IL 60611, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9616127" target="_blank"〉PubMed〈/a〉
    Keywords: Alphaherpesvirinae/*physiology ; Animals ; Base Sequence ; CHO Cells ; Cell Adhesion Molecules/genetics/*physiology ; Cells, Cultured ; Cricetinae ; Epithelial Cells/virology ; Gene Expression ; Herpesvirus 1, Bovine/physiology ; Herpesvirus 1, Human/*physiology ; Herpesvirus 1, Suid/physiology ; Herpesvirus 2, Human/*physiology ; Humans ; *Membrane Proteins ; Molecular Sequence Data ; Neurons/virology ; Polymerase Chain Reaction ; *Receptors, Virus ; Transfection ; Tumor Cells, Cultured ; Viral Envelope Proteins/metabolism
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  • 170
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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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    Knowledge of number: its evolution and ontogeny (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carey, S -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):641-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, New York University, New York NY 10003-6634, USA. sc50@is6.nyu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9841416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Discrimination (Psychology) ; Humans ; Infant ; Macaca mulatta/*psychology ; *Mathematics ; *Mental Processes ; Models, Psychological
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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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    Visualization of specific B and T lymphocyte interactions in the lymph node (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-04
    Description: Early events in the humoral immune response were visualized in lymph nodes by simultaneous tracking of antigen-specific CD4 T and B cells after immunization. The T cells were initially activated in the T cell areas when the B cells were still randomly dispersed in the B cell-rich follicles. Both populations then migrated to the edges of the follicles and interacted there, resulting in CD154-dependent B cell proliferation and germinal center formation. These results provide visual documentation of cognate T-B cell interactions and localize them to the follicular border.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garside, P -- Ingulli, E -- Merica, R R -- Johnson, J G -- Noelle, R J -- Jenkins, M K -- AI27998/AI/NIAID NIH HHS/ -- AI35296/AI/NIAID NIH HHS/ -- AI39614/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- etc. -- New York, N.Y. -- Science. 1998 Jul 3;281(5373):96-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Glasgow, Department of Immunology, Western Infirmary, Glasgow, G11 6NT, United Kingdom.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9651253" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; *Antibody Formation ; Antigen Presentation ; B-Lymphocytes/cytology/*immunology ; CD4-Positive T-Lymphocytes/cytology/*immunology ; CD40 Ligand ; Cell Movement ; Dendritic Cells/immunology ; Germinal Center/immunology ; Immunization ; Immunoglobulin M/analysis ; Lymph Nodes/cytology/*immunology ; *Lymphocyte Activation ; Membrane Glycoproteins/immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Transgenic ; Plasma Cells/immunology
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    Identification of two distinct mechanisms of phagocytosis controlled by different Rho GTPases (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-11-30
    Description: The complement and immunoglobulin receptors are the major phagocytic receptors involved during infection. However, only immunoglobulin-dependent uptake results in a respiratory burst and an inflammatory response in macrophages. Rho guanosine triphosphatases (molecular switches that control the organization of the actin cytoskeleton) were found to be essential for both types of phagocytosis. Two distinct mechanisms of phagocytosis were identified: Type I, used by the immunoglobulin receptor, is mediated by Cdc42 and Rac, and type II, used by the complement receptor, is mediated by Rho. These results suggest a molecular basis for the different biological consequences that are associated with phagocytosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caron, E -- Hall, A -- New York, N.Y. -- Science. 1998 Nov 27;282(5394):1717-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory for Molecular Cell Biology, Cancer Research Campaign Oncogene and Signal Transduction Group, and Department of Biochemistry, University College London, Gower Street, London WC1E 6BT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9831565" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; Actins/metabolism ; Animals ; Antigens, CD/*immunology/metabolism ; *Bacterial Proteins ; Bacterial Toxins/pharmacology ; COS Cells ; Cell Cycle Proteins/metabolism ; Cell Line ; Enzyme Activation ; Erythrocytes/immunology ; GTP Phosphohydrolases/*metabolism ; GTP-Binding Proteins/metabolism ; Macrophage-1 Antigen/*immunology/metabolism ; Macrophages/immunology ; Mice ; Opsonin Proteins ; *Phagocytosis ; Phagosomes/enzymology ; Receptors, IgG/*immunology/metabolism ; Transfection ; cdc42 GTP-Binding Protein ; rac GTP-Binding Proteins
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    Melatonin production: proteasomal proteolysis in serotonin N-acetyltransferase regulation (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: The nocturnal increase in circulating melatonin in vertebrates is regulated by 10- to 100-fold increases in pineal serotonin N-acetyltransferase (AA-NAT) activity. Changes in the amount of AA-NAT protein were shown to parallel changes in AA-NAT activity. When neural stimulation was switched off by either light exposure or L-propranolol-induced beta-adrenergic blockade, both AA-NAT activity and protein decreased rapidly. Effects of L-propranolol were blocked in vitro by dibutyryl adenosine 3',5'-monophosphate (cAMP) or inhibitors of proteasomal proteolysis. This result indicates that adrenergic-cAMP regulation of AA-NAT is mediated by rapid reversible control of selective proteasomal proteolysis. Similar proteasome-based mechanisms may function widely as selective molecular switches in vertebrate neural systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gastel, J A -- Roseboom, P H -- Rinaldi, P A -- Weller, J L -- Klein, D C -- New York, N.Y. -- Science. 1998 Feb 27;279(5355):1358-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section on Neuroendocrinology, Laboratory of Developmental Neurobiology, National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, MD 20892-4480, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9478897" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-Agonists/pharmacology ; Adrenergic beta-Antagonists/pharmacology ; Animals ; Arylamine N-Acetyltransferase/*metabolism ; Bucladesine/pharmacology ; Cyclic AMP/metabolism ; Cysteine Endopeptidases/*metabolism ; Cysteine Proteinase Inhibitors/pharmacology ; Isoproterenol/pharmacology ; Light ; Melatonin/*biosynthesis ; Multienzyme Complexes/*metabolism ; Pineal Gland/cytology/drug effects/enzymology/*metabolism ; Propranolol/pharmacology ; Proteasome Endopeptidase Complex ; Rats ; Receptors, Adrenergic, beta/physiology
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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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    Presenilin interactions and Alzheimer's disease (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kosik, K S -- New York, N.Y. -- Science. 1998 Jan 23;279(5350):463-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9454341" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/etiology/*metabolism ; Amyloid Precursor Protein Secretases ; Amyloid beta-Protein Precursor/*metabolism ; Animals ; Aspartic Acid Endopeptidases ; Cytoskeletal Proteins/*metabolism ; Endopeptidases/metabolism ; Humans ; Membrane Proteins/genetics/*metabolism ; Nervous System/metabolism ; Presenilin-1 ; Signal Transduction ; *Trans-Activators ; beta Catenin ; tau Proteins/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 178
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    Anatomy of "regenerating axons" (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pallini, R -- New York, N.Y. -- Science. 1998 Apr 10;280(5361):181-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9565524" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology/*ultrastructure ; Brain Tissue Transplantation ; Cell Transplantation ; Denervation ; Myelin Sheath/physiology ; *Nerve Regeneration ; Neuroglia/physiology/*transplantation ; Olfactory Bulb/cytology ; Rats ; Schwann Cells/physiology ; Spinal Cord/cytology/*physiology ; Spinal Cord Injuries/pathology/*surgery
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 179
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    The brain's normal function (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Laviano, A -- Rossi Fanelli, F -- Meguid, M M -- New York, N.Y. -- Science. 1998 Apr 24;280(5363):503.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9575090" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Appetite ; Hypothalamus/*physiology ; Mice ; Neuropeptide Y/*physiology ; Neurotransmitter Agents/physiology ; *Synaptic Transmission
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  • 180
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    Secret life of cytochrome bc1 (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J L -- New York, N.Y. -- Science. 1998 Jul 3;281(5373):58-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA. smithj@bragg.bio.purdue.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9679019" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cattle ; Crystallization ; Crystallography, X-Ray ; Cytochromes c1/chemistry/metabolism ; Diffusion ; Dimerization ; Electron Transport ; Electron Transport Complex III/*chemistry/metabolism ; Hydrogen Bonding ; Iron-Sulfur Proteins/chemistry/metabolism ; Mitochondria, Heart/*enzymology ; Oxidation-Reduction ; *Protein Conformation ; Protein Structure, Secondary ; Protons ; Ubiquinone/analogs & derivatives/metabolism
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  • 181
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    Genomic cis-regulatory logic: experimental and computational analysis of a sea urchin gene (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-04-16
    Description: The genomic regulatory network that controls gene expression ultimately determines form and function in each species. The operational nature of the regulatory programming specified in cis-regulatory DNA sequence was determined from a detailed functional analysis of a sea urchin control element that directs the expression of a gene in the endoderm during development. Spatial expression and repression, and the changing rate of transcription of this gene, are mediated by a complex and extended cis-regulatory system. The system may be typical of developmental cis-regulatory apparatus. All of its activities are integrated in the proximal element, which contains seven target sites for DNA binding proteins. A quantitative computational model of this regulatory element was constructed that explicitly reveals the logical interrelations hard-wired into the DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yuh, C H -- Bolouri, H -- Davidson, E H -- New York, N.Y. -- Science. 1998 Mar 20;279(5358):1896-902.〈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/9506933" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Adhesion Molecules/*genetics/physiology ; Computer Simulation ; DNA-Binding Proteins/metabolism ; Embryo, Nonmammalian/metabolism ; Endoderm/metabolism ; Gastrula/metabolism ; *Gene Expression Regulation, Developmental ; Lithium Chloride/pharmacology ; Models, Genetic ; Molecular Sequence Data ; Mutagenesis ; Promoter Regions, Genetic/genetics/*physiology ; Proteins/*genetics/physiology ; Sea Urchins/embryology/*genetics/metabolism ; *Transcription, Genetic/drug effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 182
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    10-gallon molecule stomps tumors (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adams, A -- New York, N.Y. -- Science. 1998 Feb 27;279(5355):1307-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9508706" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Neoplasms/*radiotherapy ; Clinical Trials as Topic ; Gadolinium ; Humans ; Metalloporphyrins/chemical synthesis/pharmacokinetics/*therapeutic use ; Mice ; Neoplasms, Experimental/*radiotherapy ; *Radiation-Sensitizing Agents/chemical synthesis/pharmacokinetics
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  • 183
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    Mass spectrometric analysis of the anaphase-promoting complex from yeast: identification of a subunit related to cullins (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-03-21
    Description: Entry into anaphase and exit from mitosis depend on a ubiquitin-protein ligase complex called the anaphase-promoting complex (APC) or cyclosome. At least 12 different subunits were detected in the purified particle from budding yeast, including the previously identified proteins Apc1p, Cdc16p, Cdc23p, Cdc26p, and Cdc27p. Five additional subunits purified in low nanogram amounts were identified by tandem mass spectrometric sequencing. Apc2p, Apc5p, and the RING-finger protein Apc11p are conserved from yeast to humans. Apc2p is similar to the cullin Cdc53p, which is a subunit of the ubiquitin-protein ligase complex SCFCdc4 required for the initiation of DNA replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zachariae, W -- Shevchenko, A -- Andrews, P D -- Ciosk, R -- Galova, M -- Stark, M J -- Mann, M -- Nasmyth, K -- New York, N.Y. -- Science. 1998 Feb 20;279(5354):1216-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Institute of Molecular Pathology, Dr. Bohr-Gasse 7, A-1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9469814" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Anaphase ; Anaphase-Promoting Complex-Cyclosome ; Animals ; Cell Cycle Proteins/chemistry/metabolism ; *Cullin Proteins ; Cyclins/metabolism ; DNA Replication ; Fungal Proteins/*chemistry/genetics/isolation & purification ; Genes, Fungal ; Humans ; Ligases/*chemistry/genetics/isolation & purification ; Mass Spectrometry ; Molecular Sequence Data ; Saccharomyces cerevisiae/*chemistry/*cytology/genetics ; *Saccharomyces cerevisiae Proteins ; Sequence Alignment ; Spindle Apparatus/metabolism ; *Ubiquitin-Protein Ligase Complexes ; Ubiquitin-Protein Ligases ; Ubiquitins/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Databases in genomic research (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-10-23
    Description: Genome-related databases have already become an invaluable part of the scientific landscape. The role played by these databases will only increase as the volume and complexity of relevant biology data rapidly expand. We are far enough into the genome project and into the development of these databases to assess their attributes and to reexamine some of the conceptual organizations and approaches they are taking. It is clear that there are needs for both highly detailed and simplified database views, the latter being especially needed to make expert domain data more accessible to nonspecialists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gelbart, W M -- New York, N.Y. -- Science. 1998 Oct 23;282(5389):659-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9784119" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Databases, Factual ; Genes ; *Genome ; Genome, Human ; Humans ; *Internet ; *Molecular Biology ; Phenotype
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Activation of the cardiac calcium release channel (ryanodine receptor) by poly-S-nitrosylation (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-31
    Description: Several ion channels are reportedly redox responsive, but the molecular basis for the changes in activity is not known. The mechanism of nitric oxide action on the cardiac calcium release channel (ryanodine receptor) (CRC) in canines was explored. This tetrameric channel contains approximately 84 free thiols and is S-nitrosylated in vivo. S-Nitrosylation of up to 12 sites (3 per CRC subunit) led to progressive channel activation that was reversed by denitrosylation. In contrast, oxidation of 20 to 24 thiols per CRC (5 or 6 per subunit) had no effect on channel function. Oxidation of additional thiols (or of another class of thiols) produced irreversible activation. The CRC thus appears to be regulated by poly-S-nitrosylation (multiple covalent attachments), whereas oxidation can lead to loss of control. These results reveal that ion channels can differentiate nitrosative from oxidative signals and indicate that the CRC is regulated by posttranslational chemical modification(s) of sulfurs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, L -- Eu, J P -- Meissner, G -- Stamler, J S -- HL-27430/HL/NHLBI NIH HHS/ -- HL52529/HL/NHLBI NIH HHS/ -- HL59130/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1998 Jan 9;279(5348):234-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of North Carolina, Chapel Hill, NC 27599, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9422697" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/*metabolism ; Cyclic GMP/metabolism ; Cysteine/analogs & derivatives/pharmacology ; Dithiothreitol/pharmacology ; Dogs ; Electric Conductivity ; Ethylmaleimide/pharmacology ; Glutathione/analogs & derivatives/pharmacology ; Liposomes/metabolism ; *Mercaptoethanol ; Molsidomine/analogs & derivatives/pharmacology ; Myocardium/*metabolism ; Nitric Oxide/*metabolism ; Nitrosation ; Nitroso Compounds/*metabolism/pharmacology ; Oxidation-Reduction ; Proteolipids/metabolism ; Ryanodine Receptor Calcium Release Channel/drug effects/*metabolism ; S-Nitrosoglutathione ; *S-Nitrosothiols ; Sulfhydryl Compounds/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Old, old skull has a new look (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1998 Jun 5;280(5369):1525.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9644016" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Eritrea ; *Fossils ; History, Ancient ; Hominidae/*anatomy & histology ; Humans ; Skull/*anatomy & histology
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    Abnormal hippocampal spatial representations in alphaCaMKIIT286A and CREBalphaDelta- mice (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-02-28
    Description: Hippocampal "place cells" fire selectively when an animal is in a specific location. The fine-tuning and stability of place cell firing was compared in two types of mutant mice with different long-term potentiation (LTP) and place learning impairments. Place cells from both mutants showed decreased spatial selectivity. Place cell stability was also deficient in both mutants and, consistent with the severities in their LTP and spatial learning deficits, was more affected in mice with a point mutation [threonine (T) at position 286 mutated to alanine (A)] in the alpha calmodulin kinase II (alphaCaMKIIT286A) than in mice deficient for the alpha and Delta isoforms of adenosine 3'5'-monophosphate-responsive element binding proteins (CREBalphaDelta-). Thus, LTP appears to be important for the fine tuning and stabilization of place cells, and these place cell properties may be necessary for spatial learning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Y H -- Giese, K P -- Tanila, H -- Silva, A J -- Eichenbaum, H -- AG13622/AG/NIA NIH HHS/ -- MH51570/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1998 Feb 6;279(5352):867-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Boston University, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9452387" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 ; Calcium-Calmodulin-Dependent Protein Kinases/deficiency/genetics ; Cues ; Cyclic AMP Response Element-Binding Protein/genetics/metabolism ; Hippocampus/cytology/*physiology ; *Learning ; *Long-Term Potentiation ; Maze Learning ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains ; Orientation ; Point Mutation ; Pyramidal Cells/physiology ; *Space Perception
    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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  • 188
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    Populations as "species-in-waiting"? (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, K M -- New York, N.Y. -- Science. 1998 Jun 26;280(5372):2031-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9669956" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Ecosystem ; *Genetics, Population ; Mathematics ; Population Density
    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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  • 189
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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
    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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  • 190
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    Alopecia universalis associated with a mutation in the human hairless gene (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    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
    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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    Genome sequence of the nematode C. elegans: a platform for investigating biology (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-12-16
    Description: The 97-megabase genomic sequence of the nematode Caenorhabditis elegans reveals over 19,000 genes. More than 40 percent of the predicted protein products find significant matches in other organisms. There is a variety of repeated sequences, both local and dispersed. The distinctive distribution of some repeats and highly conserved genes provides evidence for a regional organization of the chromosomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉C. elegans Sequencing Consortium -- New York, N.Y. -- Science. 1998 Dec 11;282(5396):2012-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9851916" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/*genetics ; Chromosomes/genetics ; DNA, Helminth/*genetics ; Evolution, Molecular ; *Genes, Helminth ; *Genome ; Helminth Proteins/chemistry/genetics ; Molecular Sequence Data ; Physical Chromosome Mapping ; RNA, Helminth/genetics ; Repetitive Sequences, Nucleic Acid ; *Sequence Analysis, DNA
    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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  • 192
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    Cloned mice provide company for Dolly (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-08-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Jul 24;281(5376):495,497.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9705716" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle/embryology/*genetics ; *Cloning, Organism ; DNA/analysis ; DNA Fingerprinting ; Female ; Mice/embryology/*genetics ; Nuclear Transfer Techniques ; Sheep/embryology/*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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  • 193
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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
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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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    Requirement for the leukocyte-specific adapter protein SLP-76 for normal T cell development (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-17
    Description: The leukocyte-specific adapter molecule SLP-76 (Src homology 2 domain-containing leukocyte protein of 76 kilodaltons) is rapidly phosphorylated on tyrosine residues after receptor ligation in several hematopoietically derived cell types. Mice made deficient for SLP-76 expression contained no peripheral T cells as a result of an early block in thymopoiesis. Macrophage and natural killer cell compartments were intact in SLP-76-deficient mice, despite SLP-76 expression in these lineages in wild-type mice. Thus, the SLP-76 adapter protein is required for normal thymocyte development and plays a crucial role in translating signals mediated by pre-T cell receptors into distal biochemical events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clements, J L -- Yang, B -- Ross-Barta, S E -- Eliason, S L -- Hrstka, R F -- Williamson, R A -- Koretzky, G A -- GM53256/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1998 Jul 17;281(5375):416-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Internal Medicine, University of Iowa College of Medicine, Iowa City, IA 52242, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9665885" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; B-Lymphocytes/cytology/immunology ; Gene Targeting ; Immunoglobulin M/blood ; Killer Cells, Natural/cytology ; *Leukopoiesis ; Lymph Nodes/cytology ; Lymphocyte Activation ; Lymphocyte Count ; Macrophages/cytology ; Mice ; Mice, Inbred C57BL ; Phosphoproteins/genetics/*physiology ; Protein-Tyrosine Kinases/metabolism ; Receptors, Antigen, T-Cell/metabolism ; Signal Transduction ; Spleen/cytology ; T-Lymphocytes/*cytology ; Thymus Gland/cytology ; ZAP-70 Protein-Tyrosine Kinase
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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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    Pioneer axon guidance by UNC-129, a C. elegans TGF-beta (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-31
    Description: The unc-129 gene, like the unc-6 netrin gene, is required to guide pioneer motoraxons along the dorsoventral axis of Caenorhabditis elegans. unc-129 encodes a member of the transforming growth factor-beta (TGF-beta) superfamily of secreted signaling molecules and is expressed in dorsal, but not ventral, rows of body wall muscles. Ectopic expression of UNC-129 from ventral body wall muscle disrupts growth cone and cell migrations that normally occur along the dorsoventral axis. Thus, UNC-129 mediates expression of dorsoventral polarity information required for axon guidance and guided cell migrations in C. elegans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colavita, A -- Krishna, S -- Zheng, H -- Padgett, R W -- Culotti, J G -- New York, N.Y. -- Science. 1998 Jul 31;281(5377):706-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, Ontario M5G 1X5, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9685266" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Axons/*physiology ; Body Patterning ; Caenorhabditis elegans/genetics/growth & development/*physiology ; *Caenorhabditis elegans Proteins ; Cell Movement ; Gene Expression ; Helminth Proteins/chemistry/*genetics/*physiology ; Membrane Proteins/genetics/physiology ; Molecular Sequence Data ; Motor Neurons/physiology ; Muscles/*metabolism ; *Nerve Tissue Proteins ; Promoter Regions, Genetic ; *Receptors, Cell Surface ; Receptors, Growth Factor/genetics/physiology ; Sequence Deletion ; Signal Transduction ; Transforming Growth Factor beta/chemistry/*genetics/*physiology
    Print ISSN: 0036-8075
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  • 196
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    New nonopioid painkiller shows promise in animal tests (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strauss, E -- New York, N.Y. -- Science. 1998 Jan 2;279(5347):32-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9441405" target="_blank"〉PubMed〈/a〉
    Keywords: Analgesics, Non-Narcotic/chemical synthesis/chemistry/metabolism/*pharmacology ; Animals ; Anura ; Azetidines/chemical synthesis/chemistry/metabolism/*pharmacology ; Bicyclo Compounds, Heterocyclic/pharmacology/toxicity ; Drug Evaluation, Preclinical ; Nicotinic Agonists/chemistry/metabolism/pharmacology/toxicity ; Pain Measurement ; Pyridines/chemical synthesis/chemistry/metabolism/*pharmacology/toxicity ; Rats ; Receptors, Nicotinic/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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  • 197
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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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  • 198
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    Building a better aspirin (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 May 22;280(5367):1191-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9634399" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/prevention & control ; Animals ; Anti-Inflammatory Agents, Non-Steroidal/*chemical ; synthesis/chemistry/pharmacology ; Anticarcinogenic Agents ; Aspirin/*chemistry/pharmacology ; Cyclooxygenase 2 ; Cyclooxygenase 2 Inhibitors ; Cyclooxygenase Inhibitors/*chemical synthesis/chemistry/pharmacology ; *Drug Design ; Free Radicals/metabolism ; Humans ; Isoenzymes/*metabolism ; Membrane Proteins ; Mice ; Neoplasms/metabolism/prevention & control ; Prostaglandin-Endoperoxide Synthases/*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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  • 199
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    Sifting through and making sense of genome sequences (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 1998 Jun 12;280(5370):1692-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9660707" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Base Sequence ; Chromosome Inversion ; DNA/*genetics ; Evolution, Molecular ; *Genome, Human ; Humans ; *Multigene Family ; Nucleic Acid Hybridization ; *Polymorphism, Genetic ; RNA, Fungal/genetics ; RNA, Small Nuclear/*genetics ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
    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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    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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