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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gura, Trisha -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):849-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574616" target="_blank"〉PubMed〈/a〉
    Keywords: Agouti-Related Protein ; Animals ; Anti-Obesity Agents/adverse effects/pharmacology/*therapeutic use ; Appetite/drug effects ; Arcuate Nucleus of Hypothalamus/metabolism ; Ciliary Neurotrophic Factor/therapeutic use ; Clinical Trials as Topic ; Cyclobutanes/adverse effects/therapeutic use ; Energy Intake ; Ghrelin ; Humans ; Hunger/drug effects ; Intercellular Signaling Peptides and Proteins ; Lactones/adverse effects/therapeutic use ; Leptin/metabolism/therapeutic use ; Mice ; Nerve Tissue Proteins/adverse effects/therapeutic use ; Neurons/metabolism ; Neuropeptide Y/metabolism/pharmacology ; Obesity/*drug therapy/metabolism ; Peptide Fragments ; Peptide Hormones/metabolism/pharmacology ; Peptide YY/metabolism/pharmacology ; Phentermine/adverse effects/therapeutic use ; Proteins/metabolism ; Receptors, Corticotropin/metabolism ; Receptors, Melanocortin ; Weight Loss ; alpha-MSH/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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  • 2
    Publication Date: 2003-08-09
    Description: Amyotrophic lateral sclerosis (ALS) is a progressive, lethal neuromuscular disease that is associated with the degeneration of spinal and brainstem motor neurons, leading to atrophy of limb, axial, and respiratory muscles. The cause of ALS is unknown, and there is no effective therapy. Neurotrophic factors are candidates for therapeutic evaluation in ALS. Although chronic delivery of molecules to the central nervous system has proven difficult, we recently discovered that adeno-associated virus can be retrogradely transported efficiently from muscle to motor neurons of the spinal cord. We report that insulin-like growth factor 1 prolongs life and delays disease progression, even when delivered at the time of overt disease symptoms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaspar, Brian K -- Llado, Jeronia -- Sherkat, Nushin -- Rothstein, Jeffrey D -- Gage, Fred H -- AG12992/AG/NIA NIH HHS/ -- AG21876/AG/NIA NIH HHS/ -- NS33958/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):839-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907804" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/pathology/physiopathology/*therapy ; Animals ; Apoptosis ; Base Sequence ; Caspase 9 ; Caspases/metabolism ; Cell Count ; Dependovirus/*genetics ; Disease Models, Animal ; Disease Progression ; Gene Transfer Techniques ; *Genetic Therapy ; *Genetic Vectors/administration & dosage ; Glial Cell Line-Derived Neurotrophic Factor ; Green Fluorescent Proteins ; Insulin-Like Growth Factor I/*genetics ; Luminescent Proteins/genetics ; Male ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Motor Neurons/pathology/virology ; Muscle, Skeletal/virology ; Nerve Growth Factors/genetics ; *Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-akt ; Random Allocation ; Spinal Cord/chemistry/pathology/virology ; Superoxide Dismutase/genetics/metabolism ; Ubiquitin/analysis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2003-05-06
    Description: Degenerative disorders of motor neurons include a range of progressive fatal diseases such as amyotrophic lateral sclerosis (ALS), spinal-bulbar muscular atrophy (SBMA), and spinal muscular atrophy (SMA). Although the causative genetic alterations are known for some cases, the molecular basis of many SMA and SBMA-like syndromes and most ALS cases is unknown. Here we show that missense point mutations in the cytoplasmic dynein heavy chain result in progressive motor neuron degeneration in heterozygous mice, and in homozygotes this is accompanied by the formation of Lewy-like inclusion bodies, thus resembling key features of human pathology. These mutations exclusively perturb neuron-specific functions of dynein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hafezparast, Majid -- Klocke, Rainer -- Ruhrberg, Christiana -- Marquardt, Andreas -- Ahmad-Annuar, Azlina -- Bowen, Samantha -- Lalli, Giovanna -- Witherden, Abi S -- Hummerich, Holger -- Nicholson, Sharon -- Morgan, P Jeffrey -- Oozageer, Ravi -- Priestley, John V -- Averill, Sharon -- King, Von R -- Ball, Simon -- Peters, Jo -- Toda, Takashi -- Yamamoto, Ayumu -- Hiraoka, Yasushi -- Augustin, Martin -- Korthaus, Dirk -- Wattler, Sigrid -- Wabnitz, Philipp -- Dickneite, Carmen -- Lampel, Stefan -- Boehme, Florian -- Peraus, Gisela -- Popp, Andreas -- Rudelius, Martina -- Schlegel, Juergen -- Fuchs, Helmut -- Hrabe de Angelis, Martin -- Schiavo, Giampietro -- Shima, David T -- Russ, Andreas P -- Stumm, Gabriele -- Martin, Joanne E -- Fisher, Elizabeth M C -- New York, N.Y. -- Science. 2003 May 2;300(5620):808-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurodegenerative Disease, Institute of Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730604" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anterior Horn Cells/pathology ; Apoptosis ; *Axonal Transport ; Cell Differentiation ; Cell Movement ; Central Nervous System/embryology ; Chromosome Mapping ; Dimerization ; Dyneins/chemistry/*genetics/*physiology ; Female ; Ganglia, Spinal/pathology ; Golgi Apparatus/metabolism/ultrastructure ; Heterozygote ; Homozygote ; Lewy Bodies/pathology ; Male ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Motor Neuron Disease/*genetics/pathology/physiopathology ; Motor Neurons/*physiology/ultrastructure ; Mutation ; Mutation, Missense ; *Nerve Degeneration ; Peptide Fragments/metabolism ; Phenotype ; Point Mutation ; Spinal Nerves/growth & development ; Tetanus Toxin/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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  • 4
    Publication Date: 2003-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, Martin -- Bristow, Robert -- Glazer, Peter -- Hill, Richard -- McBride, William -- McKenna, Gillies -- Muschel, Ruth -- New York, N.Y. -- Science. 2003 Dec 12;302(5652):1894; author reply 1894.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiation Oncology, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14671275" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Disease Models, Animal ; Endothelium, Vascular/*pathology/radiation effects ; Melanoma, Experimental/blood supply/immunology/pathology/*radiotherapy ; Mice ; Radiation Tolerance ; Sphingomyelin Phosphodiesterase/genetics/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2003-07-05
    Description: Animal behavior is synchronized to the 24-hour light:dark (LD) cycle by regulatory programs that produce circadian fluctuations in gene expression throughout the body. In mammals, the transcription factor CLOCK controls circadian oscillation in the suprachiasmatic nucleus of the brain; its paralog, neuronal PAS domain protein 2 (NPAS2), performs a similar function in other forebrain sites. To investigate the role of NPAS2 in behavioral manifestations of circadian rhythm, we studied locomotor activity, sleep patterns, and adaptability to both light- and restricted food-driven entrainment in NPAS2-deficient mice. Our results indicate that NPAS2 plays a substantive role in maintaining circadian behaviors in normal LD and feeding conditions and that NPAS2 is critical for adaptability to food restriction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dudley, Carol A -- Erbel-Sieler, Claudia -- Estill, Sandi Jo -- Reick, Martin -- Franken, Paul -- Pitts, SiNae -- McKnight, Steven L -- 37919/PHS HHS/ -- 4R37 MH59388/MH/NIMH NIH HHS/ -- 5T3DK07328/DK/NIDDK NIH HHS/ -- HL 64148/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):379-83. Epub 2003 Jul 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9152, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843397" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Animals ; Basic Helix-Loop-Helix Transcription Factors ; Behavior, Animal ; Biological Clocks/*physiology ; Body Weight ; CLOCK Proteins ; Circadian Rhythm/*physiology ; Crosses, Genetic ; Darkness ; Eating ; Electroencephalography ; Electromyography ; Female ; Food ; Gene Targeting ; Light ; Male ; Mice ; Mice, Inbred C57BL ; *Motor Activity ; Nerve Tissue Proteins/genetics/*physiology ; Prosencephalon/physiology ; *Sleep ; Suprachiasmatic Nucleus/physiology ; Trans-Activators/genetics/physiology ; Transcription Factors/genetics/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2003-03-01
    Description: Recent progress in the science of aging is driven largely by the use of model systems, ranging from yeast and nematodes to mice. These models have revealed conservation in genetic pathways that balance energy production and its damaging by-products with pathways that preserve somatic maintenance. Maintaining genome integrity has emerged as a major factor in longevity and cell viability. Here we discuss the use of mouse models with defects in genome maintenance for understanding the molecular basis of aging in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hasty, Paul -- Campisi, Judith -- Hoeijmakers, Jan -- van Steeg, Harry -- Vijg, Jan -- AG17242/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2003 Feb 28;299(5611):1355-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Medicine, University of Texas Health Science Center, San Antonio, TX 78245, USA. hastye@uthscsa.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12610296" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging/genetics ; Aging, Premature/*genetics ; Animals ; Apoptosis ; Cell Aging ; *DNA Damage ; DNA Helicases/genetics/metabolism ; *DNA Repair/genetics ; Exodeoxyribonucleases ; *Genome ; Genome, Human ; Humans ; Longevity/genetics ; Mice ; Mutation ; Reactive Oxygen Species/metabolism ; RecQ Helicases ; Syndrome ; Telomere/physiology ; Transcription, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2003-04-12
    Description: Rapid turnover of the tumor suppressor protein p53 requires the MDM2 ubiquitin ligase, and both interact with p300-CREB-binding protein transcriptional coactivator proteins. p53 is stabilized by the binding of p300 to the oncoprotein E1A, suggesting that p300 regulates p53 degradation. Purified p300 exhibited intrinsic ubiquitin ligase activity that was inhibited by E1A. In vitro, p300 with MDM2 catalyzed p53 polyubiquitination, whereas MDM2 catalyzed p53 monoubiquitination. E1A expression caused a decrease in polyubiquitinated but not monoubiquitinated p53 in cells. Thus, generation of the polyubiquitinated forms of p53 that are targeted for proteasome degradation requires the intrinsic ubiquitin ligase activities of MDM2 and p300.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grossman, Steven R -- Deato, Maria E -- Brignone, Chrystelle -- Chan, Ho Man -- Kung, Andrew L -- Tagami, Hideaki -- Nakatani, Yoshihiro -- Livingston, David M -- CA15751/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 11;300(5617):342-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690203" target="_blank"〉PubMed〈/a〉
    Keywords: Adenovirus E1A Proteins/metabolism ; Animals ; Catalysis ; Cells, Cultured ; E1A-Associated p300 Protein ; Embryo, Mammalian ; Fibroblasts/metabolism ; Humans ; Ligases/antagonists & inhibitors/metabolism ; Mice ; Nuclear Proteins/antagonists & inhibitors/*metabolism ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-mdm2 ; Recombinant Fusion Proteins/metabolism ; Recombinant Proteins/metabolism ; Trans-Activators/antagonists & inhibitors/*metabolism ; Transfection ; Tumor Cells, Cultured ; Tumor Suppressor Protein p53/*metabolism ; Ubiquitin-Protein Ligases ; Ubiquitins/*metabolism
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  • 8
    Publication Date: 2003-04-26
    Description: The active-site cysteine of peroxiredoxins is selectively oxidized to cysteine sulfinic acid during catalysis, which leads to inactivation of peroxidase activity. This oxidation was thought to be irreversible. However, by metabolic labeling of mammalian cells with 35S, we show that the sulfinic form of peroxiredoxin I, produced during the exposure of cells to H2O2, is rapidly reduced to the catalytically active thiol form. The mammalian cells' ability to reduce protein sulfinic acid might serve as a mechanism to repair oxidatively damaged proteins or represent a new type of cyclic modification by which the function of various proteins is regulated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woo, Hyun Ae -- Chae, Ho Zoon -- Hwang, Sung Chul -- Yang, Kap-Seok -- Kang, Sang Won -- Kim, Kanghwa -- Rhee, Sue Goo -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):653-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Cell Signaling Research and Division of Molecular Life Sciences, Ewha Womans University, Seoul 120-750, Korea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714748" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Catalysis ; Cell Line ; Cycloheximide/pharmacology ; Cysteine/*analogs & derivatives/*metabolism ; Dimerization ; HeLa Cells ; Humans ; Hydrogen Peroxide/*metabolism ; Methionine/metabolism ; Mice ; Neurotransmitter Agents ; Oxidation-Reduction ; Peroxidases/chemistry/*metabolism ; Peroxiredoxins ; Protein Synthesis Inhibitors/pharmacology ; Spectrometry, Mass, Electrospray Ionization ; Sulfhydryl Compounds/metabolism ; Sulfinic Acids/metabolism ; Tumor Cells, Cultured
    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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  • 9
    Publication Date: 2003-04-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eden, Amir -- Gaudet, Francois -- Waghmare, Alpana -- Jaenisch, Rudolf -- CA87869/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 18;300(5618):455.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Nine Cambridge Center, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12702868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes, Mammalian/*genetics/physiology ; DNA (Cytosine-5-)-Methyltransferase/genetics/metabolism ; *DNA Methylation ; Fibroblasts/metabolism ; Genes, Neurofibromatosis 1 ; Genes, p53 ; Humans ; *Loss of Heterozygosity ; Mice ; Mutation ; Neoplasms/genetics ; Recombination, Genetic ; Sarcoma/*genetics ; Soft Tissue Neoplasms/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heintz, Nathaniel -- New York, N.Y. -- Science. 2003 Jul 4;301(5629):59-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Rockefeller University, New York, NY 10021, USA. heintz@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843383" target="_blank"〉PubMed〈/a〉
    Keywords: 14-3-3 Proteins ; Amino Acid Substitution ; Animals ; Ataxin-1 ; Ataxins ; Cell Nucleus/metabolism ; Disease Progression ; Mice ; Mice, Transgenic ; Mutation ; Nerve Tissue Proteins/*chemistry/genetics/*metabolism ; Nuclear Proteins/*chemistry/genetics/*metabolism ; Peptides ; Phosphorylation ; *Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins c-akt ; Purkinje Cells/metabolism/ultrastructure ; Signal Transduction ; Spinocerebellar Ataxias/etiology/genetics/pathology/*physiopathology ; *Trinucleotide Repeat Expansion ; Tyrosine 3-Monooxygenase/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
    Publication Date: 2003-01-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajagopal, Jayaraj -- Anderson, William J -- Kume, Shoen -- Martinez, Olga I -- Melton, Douglas A -- New York, N.Y. -- Science. 2003 Jan 17;299(5605):363.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Howard Hughes Medical Institute, Harvard University, 7 Divinity Avenue, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12532008" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/immunology ; Apoptosis ; Cell Differentiation ; Cell Line ; Embryo, Mammalian/*cytology ; Humans ; Insulin/*analysis/genetics/immunology/*metabolism ; Islets of Langerhans/*cytology/metabolism ; Mice ; Microscopy, Confocal ; RNA, Messenger/genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Stem Cells/*cytology/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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  • 12
    Publication Date: 2003-10-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nobrega, Marcelo A -- Ovcharenko, Ivan -- Afzal, Veena -- Rubin, Edward M -- HL66728/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 17;302(5644):413.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14563999" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura/genetics ; Base Sequence ; Conserved Sequence ; *DNA, Intergenic ; *Drosophila Proteins ; *Enhancer Elements, Genetic ; Evolution, Molecular ; Gene Expression Regulation ; Genes, Reporter ; Humans ; Introns ; Mice ; Mice, Transgenic ; Nuclear Proteins/*genetics ; Synteny ; Takifugu/genetics ; Tetraodontiformes/genetics ; Xenopus/genetics ; Zebrafish/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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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-09-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yewdell, Jonathan W -- New York, N.Y. -- Science. 2003 Sep 5;301(5638):1334-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892-0440, USA. jyewdell@nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12958347" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen Presentation ; CD8-Positive T-Lymphocytes/immunology ; Codon ; Cysteine Endopeptidases/metabolism ; Epstein-Barr Virus Nuclear Antigens/chemistry/*genetics/*immunology/metabolism ; Herpesvirus 4, Human/physiology ; Histocompatibility Antigens Class I/*immunology ; Humans ; Mice ; Mice, Transgenic ; Multienzyme Complexes/metabolism ; Peptides/genetics/*immunology/*metabolism ; Proteasome Endopeptidase Complex ; *Protein Biosynthesis ; Reading Frames ; Ribosomes/metabolism ; Self Tolerance ; Virus Latency
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
    Publication Date: 2003-08-09
    Description: Various chronic antidepressant treatments increase adult hippocampal neurogenesis, but the functional importance of this phenomenon remains unclear. Here, using genetic and radiological methods, we show that disrupting antidepressant-induced neurogenesis blocks behavioral responses to antidepressants. Serotonin 1A receptor null mice were insensitive to the neurogenic and behavioral effects of fluoxetine, a serotonin selective reuptake inhibitor. X-irradiation of a restricted region of mouse brain containing the hippocampus prevented the neurogenic and behavioral effects of two classes of antidepressants. These findings suggest that the behavioral effects of chronic antidepressants may be mediated by the stimulation of neurogenesis in the hippocampus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Santarelli, Luca -- Saxe, Michael -- Gross, Cornelius -- Surget, Alexandre -- Battaglia, Fortunato -- Dulawa, Stephanie -- Weisstaub, Noelia -- Lee, James -- Duman, Ronald -- Arancio, Ottavio -- Belzung, Catherine -- Hen, Rene -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):805-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neurobiology and Behavior, Columbia University, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907793" target="_blank"〉PubMed〈/a〉
    Keywords: 8-Hydroxy-2-(di-n-propylamino)tetralin/pharmacology ; Animals ; Antidepressive Agents/*pharmacology ; Antidepressive Agents, Second-Generation/pharmacology ; Antidepressive Agents, Tricyclic/pharmacology ; Behavior, Animal/*drug effects ; Cell Division/drug effects/radiation effects ; Conditioning (Psychology) ; Dentate Gyrus/cytology/drug effects/physiology ; Fear ; Feeding Behavior/drug effects ; Fluoxetine/*pharmacology ; Grooming/drug effects ; Hippocampus/cytology/drug effects/*physiology/radiation effects ; Long-Term Potentiation/radiation effects ; Male ; Mice ; Mice, Knockout ; Neurons/drug effects/*physiology ; Receptors, Serotonin/genetics/metabolism ; Receptors, Serotonin, 5-HT1 ; Stress, Physiological/drug therapy/physiopathology ; Synaptic Transmission/radiation effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
    Publication Date: 2003-07-19
    Description: Direct quantification of biomolecular interaction by single-molecule force spectroscopy has evolved into a powerful tool for materials and life sciences. We introduce an approach in which the unbinding forces required to break intermolecular bonds are measured in a differential format by comparison with a known reference bond (here, a short DNA duplex). In addition to a marked increase in sensitivity and force resolution, which enabled us to resolve single-base pair mismatches, this concept allows for highly specific parallel assays. This option was exploited to overcome cross-reactions of antibodies in a protein biochip application.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Albrecht, Christian -- Blank, Kerstin -- Lalic-Multhaler, Mio -- Hirler, Siegfried -- Mai, Thao -- Gilbert, Ilka -- Schiffmann, Susanne -- Bayer, Tom -- Clausen-Schaumann, Hauke -- Gaub, Hermann E -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):367-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nanotype GmbH, Lochhamer Schlag 12, 82166 Grafelfing, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12869761" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies ; *Base Pair Mismatch ; *Biosensing Techniques ; Carbocyanines ; Cross Reactions ; *DNA/chemistry/genetics/metabolism ; Dimethylpolysiloxanes ; Fluorescence ; Fluorescent Dyes ; Glass ; Humans ; Immunoassay ; Interleukin-5/analysis/immunology ; Mice ; Microscopy, Atomic Force ; Nucleic Acid Conformation ; Nucleic Acid Hybridization ; Oligodeoxyribonucleotides/chemistry/metabolism ; *Oligonucleotide Array Sequence Analysis ; *Protein Array Analysis ; Protein Binding ; Silicones ; Temperature ; Thermodynamics
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  • 16
    Publication Date: 2003-09-27
    Description: The classical paradigm for dendritic cell function derives from the study of Langerhans cells, which predominate within skin epidermis. After an encounter with foreign agents, Langerhans cells are thought to migrate to draining lymph nodes, where they initiate T cell priming. Contrary to this, we show here that infection of murine epidermis by herpes simplex virus did not result in the priming of virus-specific cytotoxic T lymphocytes by Langerhans cells. Rather, the priming response required a distinct CD8alpha+ dendritic cell subset. Thus, the traditional view of Langerhans cells in epidermal immunity needs to be revisited to accommodate a requirement for other dendritic cells in this response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allan, Rhys S -- Smith, Chris M -- Belz, Gabrielle T -- van Lint, Allison L -- Wakim, Linda M -- Heath, William R -- Carbone, Francis R -- New York, N.Y. -- Science. 2003 Sep 26;301(5641):1925-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, The University of Melbourne, Melbourne, Victoria 3010, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14512632" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen Presentation ; Antigens, CD/analysis ; Antigens, CD8/*analysis ; Antigens, Viral/immunology ; Cell Separation ; Chimera ; Cytotoxicity, Immunologic ; Dendritic Cells/*immunology ; Epidermis/*immunology ; H-2 Antigens/analysis/immunology ; Herpes Simplex/*immunology ; Herpesvirus 1, Human/*immunology ; Histocompatibility Antigens Class II/analysis ; Langerhans Cells/*immunology ; Lectins, C-Type/analysis ; Lymph Nodes/immunology ; Lymphocyte Activation ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Mice, Transgenic ; Receptors, Cell Surface/analysis ; T-Lymphocytes, Cytotoxic/*immunology ; Viral Envelope Proteins/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
    Publication Date: 2003-04-12
    Description: The CD8+ cytotoxic T cell response to pathogens is thought to be CD4+ helper T cell independent because infectious agents provide their own inflammatory signals. Mice that lack CD4+ T cells mount a primary CD8 response to Listeria monocytogenes equal to that of wild-type mice and rapidly clear the infection. However, protective memory to a challenge is gradually lost in the former animals. Memory CD8+ T cells from normal mice can respond rapidly, but memory CD8+ T cells that are generated without CD4 help are defective in their ability to respond to secondary encounters with antigen. The results highlight a previously undescribed role for CD4 help in promoting protective CD8 memory development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2778341/" 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/PMC2778341/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Joseph C -- Bevan, Michael J -- AI 19335/AI/NIAID NIH HHS/ -- R01 AI019335/AI/NIAID NIH HHS/ -- R01 AI019335-19/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2003 Apr 11;300(5617):339-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and the Howard Hughes Medical Institute, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690202" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; CD8-Positive T-Lymphocytes/*immunology/transplantation ; Cytotoxicity, Immunologic ; Genes, MHC Class II ; Immunization ; *Immunologic Memory ; Interferon-gamma/biosynthesis ; Listeria monocytogenes/genetics/immunology ; Listeriosis/*immunology ; Mice ; Mice, Inbred C57BL ; Ovalbumin/biosynthesis/genetics/immunology ; T-Lymphocyte Subsets/immunology ; T-Lymphocytes, Helper-Inducer/*immunology
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  • 18
    Publication Date: 2003-11-01
    Description: Mutations in MeCP2, which encodes a protein that has been proposed to function as a global transcriptional repressor, are the cause of Rett syndrome (RT T), an X-linked progressive neurological disorder. Although the selective inactivation of MeCP2 in neurons is sufficient to confer a Rett-like phenotype in mice, the specific functions of MeCP2 in postmitotic neurons are not known. We find that MeCP2 binds selectively to BDNF promoter III and functions to repress expression of the BDNF gene. Membrane depolarization triggers the calcium-dependent phosphorylation and release of MeCP2 from BDNF promoter III, thereby facilitating transcription. These studies indicate that MeCP2 plays a key role in the control of neuronal activity-dependent gene regulation and suggest that the deregulation of this process may underlie the pathology of RT T.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Wen G -- Chang, Qiang -- Lin, Yingxi -- Meissner, Alexander -- West, Anne E -- Griffith, Eric C -- Jaenisch, Rudolf -- Greenberg, Michael E -- HD 18655/HD/NICHD NIH HHS/ -- NS28829/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 31;302(5646):885-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuroscience, Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14593183" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain-Derived Neurotrophic Factor/*genetics ; Calcium/*metabolism ; Cell Membrane/physiology ; Cells, Cultured ; *Chromosomal Proteins, Non-Histone ; Cloning, Molecular ; CpG Islands ; DNA Methylation ; DNA-Binding Proteins/*metabolism ; Electrophoretic Mobility Shift Assay ; *Gene Expression Regulation ; Gene Silencing ; Histones/metabolism ; Methyl-CpG-Binding Protein 2 ; Methylation ; Mice ; Mice, Knockout ; Neurons/metabolism/physiology ; Phosphorylation ; Potassium Chloride/pharmacology ; Precipitin Tests ; Promoter Regions, Genetic ; Rats ; *Repressor Proteins ; Rett Syndrome/genetics ; *Transcription, Genetic
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  • 19
    Publication Date: 2003-11-25
    Description: Three distinct classes of drugs: dopaminergic agonists (such as D-amphetamine), serotonergic agonists (such as LSD), and glutamatergic antagonists (such as PCP) all induce psychotomimetic states in experimental animals that closely resemble schizophrenia symptoms in humans. Here we implicate a common signaling pathway in mediating these effects. In this pathway, dopamine- and an adenosine 3',5'-monophosphate (cAMP)-regulated phospho-protein of 32 kilodaltons (DARPP-32) is phosphorylated or dephosphorylated at three sites, in a pattern predicted to cause a synergistic inhibition of protein phosphatase-1 and concomitant regulation of its downstream effector proteins glycogen synthesis kinase-3 (GSK-3), cAMP response element-binding protein (CREB), and c-Fos. In mice with a genetic deletion of DARPP-32 or with point mutations in phosphorylation sites of DARPP-32, the effects of D-amphetamine, LSD, and PCP on two behavioral parameters-sensorimotor gating and repetitive movements-were strongly attenuated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Svenningsson, Per -- Tzavara, Eleni T -- Carruthers, Robert -- Rachleff, Ilan -- Wattler, Sigrid -- Nehls, Michael -- McKinzie, David L -- Fienberg, Allen A -- Nomikos, George G -- Greengard, Paul -- DA10044/DA/NIDA NIH HHS/ -- MH40899/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2003 Nov 21;302(5649):1412-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular and Cellular Neuroscience, 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/14631045" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine/pharmacology ; Animals ; Brain/drug effects/*metabolism ; Central Nervous System Agents/*pharmacology ; Corpus Striatum/drug effects/metabolism ; Cyclic AMP Response Element-Binding Protein/metabolism ; Dextroamphetamine/pharmacology ; Dopamine/metabolism ; Dopamine and cAMP-Regulated Phosphoprotein 32 ; Frontal Lobe/drug effects/metabolism ; Genes, fos ; Glycogen Synthase Kinase 3/metabolism ; Lysergic Acid Diethylamide/pharmacology ; Male ; Mice ; Mice, Knockout ; Motor Activity/drug effects ; Nerve Tissue Proteins/metabolism ; Phencyclidine/pharmacology ; Phosphoprotein Phosphatases/antagonists & inhibitors ; Phosphoproteins/*metabolism ; Phosphorylation ; Protein Phosphatase 1 ; RNA, Messenger/genetics/metabolism ; Receptors, Dopamine D1/genetics/metabolism ; Reflex, Startle/drug effects ; *Signal Transduction ; Synaptic Transmission
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  • 20
    Publication Date: 2003-08-09
    Description: Alternative pre-messenger RNA splicing is an important mechanism for generating protein diversity and may explain in part how mammalian complexity arises from a surprisingly small complement of genes. Here, we describe "digital polony exon profiling,"a single molecule-based technology for studying complex alternative pre-messenger RNA splicing. This technology allows researchers to monitor the combinatorial diversity of exon inclusion in individual transcripts. A minisequencing strategy provides single nucleotide resolution, and the digital nature of the technology allows quantitation of individual splicing variants. Digital polony exon profiling can be used to investigate the physiological and pathological roles of alternately spliced messenger RNAs, as well as the mechanisms by which these messenger RNAs are produced.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhu, Jun -- Shendure, Jay -- Mitra, Robi D -- Church, George M -- 5U54GM62119/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):836-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907803" target="_blank"〉PubMed〈/a〉
    Keywords: Acrylamide ; *Alternative Splicing ; Animals ; Antigens, CD44/genetics ; Brain/metabolism ; Cell Line ; Cell Line, Transformed ; Cyclic AMP Response Element-Binding Protein ; *Exons ; Humans ; Mice ; Microtubule-Associated Proteins/genetics ; Nerve Tissue Proteins/genetics ; Polymerase Chain Reaction/*methods ; Polymorphism, Single Nucleotide ; Protein Isoforms ; RNA Precursors/*genetics/metabolism ; RNA-Binding Proteins ; SMN Complex Proteins
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  • 21
    Publication Date: 2003-01-25
    Description: Disruption of the adaptor protein ELF, a beta-spectrin, leads to disruption of transforming growth factor-beta (TGF-beta) signaling by Smad proteins in mice. Elf-/- mice exhibit a phenotype similar to smad2+/-/smad3+/- mutant mice of midgestational death due to gastrointestinal, liver, neural, and heart defects. We show that TGF-beta triggers phosphorylation and association of ELF with Smad3 and Smad4, followed by nuclear translocation. ELF deficiency results in mislocalization of Smad3 and Smad4 and loss of the TGF-beta-dependent transcriptional response, which could be rescued by overexpression of the COOH-terminal region of ELF. This study reveals an unexpected molecular link between a major dynamic scaffolding protein and a key signaling pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tang, Yi -- Katuri, Varalakshmi -- Dillner, Allan -- Mishra, Bibhuti -- Deng, Chu-Xia -- Mishra, Lopa -- R01 DK56111/DK/NIDDK NIH HHS/ -- R01 DK58637/DK/NIDDK NIH HHS/ -- R03 DK53861/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2003 Jan 24;299(5606):574-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Developmental Biology, Department of Medicine, Georgetown University, Washington, DC 20007, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12543979" target="_blank"〉PubMed〈/a〉
    Keywords: Abnormalities, Multiple ; Animals ; Carrier Proteins/metabolism ; Cell Membrane/metabolism ; Cell Nucleus/metabolism ; Contractile Proteins/metabolism ; DNA-Binding Proteins/metabolism ; Embryonic and Fetal Development ; Filamins ; Gene Targeting ; Genes, fos ; Liver/abnormalities/embryology/*metabolism ; Mice ; Mice, Knockout ; Microfilament Proteins/metabolism ; Microscopy, Confocal ; Mutation ; Phenotype ; Phosphorylation ; Platelet-Derived Growth Factor/pharmacology ; *Signal Transduction ; Smad2 Protein ; Smad3 Protein ; Smad4 Protein ; Spectrin/genetics/*metabolism ; Trans-Activators/metabolism ; Transcriptional Activation ; Transforming Growth Factor beta/*metabolism/pharmacology ; Tumor Cells, Cultured
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  • 22
    Publication Date: 2003-03-08
    Description: Norwalk-like caliciviruses (Noroviruses) cause over 90% of nonbacterial epidemic gastroenteritis worldwide, but the pathogenesis of norovirus infection is poorly understood because these viruses do not grow in cultured cells and there is no small animal model. Here, we report a previously unknown murine norovirus. Analysis of Murine Norovirus 1 infection revealed that signal transducer and activator of transcription 1-dependent innate immunity, but not T and B cell-dependent adaptive immunity, is essential for norovirus resistance. The identification of host molecules essential for murine norovirus resistance may provide targets for prevention or control of an important human disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karst, Stephanie M -- Wobus, Christiane E -- Lay, Margarita -- Davidson, John -- Virgin, Herbert W 4th -- R01 AI49286/AI/NIAID NIH HHS/ -- T32-CA09547/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Mar 7;299(5612):1575-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Immunology, 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/12624267" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/immunology ; Brain/virology ; Caliciviridae Infections/*immunology ; DNA-Binding Proteins/genetics/*physiology ; Genes, RAG-1 ; Genome, Viral ; Homeodomain Proteins/physiology ; *Immunity, Innate ; Immunocompromised Host ; Intestines/virology ; Liver/virology ; Membrane Proteins ; Mice ; Mutation ; Norovirus/classification/*immunology/*isolation & purification/pathogenicity ; Phylogeny ; RNA, Viral/analysis ; Receptor, Interferon alpha-beta ; Receptors, Interferon/genetics/physiology ; STAT1 Transcription Factor ; Spleen/virology ; T-Lymphocytes/immunology ; Trans-Activators/genetics/*physiology ; Virulence
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  • 23
    Publication Date: 2003-07-19
    Description: Mice in which all members of the Hox10 or Hox11 paralogous group are disrupted provide evidence that these Hox genes are involved in global patterning of the axial and appendicular skeleton. In the absence of Hox10 function, no lumbar vertebrae are formed. Instead, ribs project from all posterior vertebrae, extending caudally from the last thoracic vertebrae to beyond the sacral region. In the absence of Hox11 function, sacral vertebrae are not formed and instead these vertebrae assume a lumbar identity. The redundancy among these paralogous family members is so great that this global aspect of Hox patterning is not apparent in mice that are mutant for five of the six paralogous alleles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wellik, Deneen M -- Capecchi, Mario R -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):363-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and University of Utah, Salt Lake City, UT 84112, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12869760" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Body Patterning ; Bone and Bones/*embryology ; Female ; Forelimb/embryology ; Gene Expression Regulation, Developmental ; *Genes, Homeobox ; Hindlimb/embryology ; Homeodomain Proteins/*genetics/physiology ; Male ; Mice ; Mice, Mutant Strains ; Mutation ; Oncogene Proteins/*genetics/physiology ; Phenotype ; Spine/*embryology
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  • 24
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Demaurex, Nicolas -- Distelhorst, Clark -- New York, N.Y. -- Science. 2003 Apr 4;300(5616):65-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of Geneva Medical Center, Geneva, Switzerland. nicolas.demaurex@medecine.unige.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12677047" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; BH3 Interacting Domain Death Agonist Protein ; Calcium/*metabolism ; Calcium Channels/metabolism ; *Calcium Signaling ; Calcium-Transporting ATPases/metabolism ; Carrier Proteins/metabolism ; Endoplasmic Reticulum/*metabolism ; Inositol 1,4,5-Trisphosphate Receptors ; Membrane Proteins/metabolism ; Mice ; Mice, Knockout ; Mitochondria/*metabolism ; Models, Biological ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-bcl-2/metabolism ; Receptors, Cytoplasmic and Nuclear/metabolism ; Ryanodine Receptor Calcium Release Channel/metabolism ; Sarcoplasmic Reticulum Calcium-Transporting ATPases ; bcl-2 Homologous Antagonist-Killer Protein ; bcl-2-Associated X Protein
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  • 25
    Publication Date: 2003-04-26
    Description: We generated mice lacking Cks2, one of two mammalian homologs of the yeast Cdk1-binding proteins, Suc1 and Cks1, and found them to be viable but sterile in both sexes. Sterility is due to failure of both male and female germ cells to progress past the first meiotic metaphase. The chromosomal events up through the end of prophase I are normal in both CKS2-/- males and females, suggesting that the phenotype is due directly to failure to enter anaphase and not a consequence of a checkpoint-mediated metaphase I arrest.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spruck, Charles H -- de Miguel, Maria P -- Smith, Adrian P L -- Ryan, Aimee -- Stein, Paula -- Schultz, Richard M -- Lincoln, A Jeannine -- Donovan, Peter J -- Reed, Steven I -- CA74224/CA/NCI NIH HHS/ -- HD22681/HD/NICHD NIH HHS/ -- HD38252/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):647-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, MB-7, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714746" target="_blank"〉PubMed〈/a〉
    Keywords: *Anaphase ; Animals ; Apoptosis ; *CDC2-CDC28 Kinases ; CDC28 Protein Kinase, S cerevisiae/genetics/*physiology ; Chromosome Segregation ; Cyclin A/metabolism ; Cyclin B/metabolism ; Epididymis/cytology/physiology ; Female ; Gene Targeting ; In Situ Hybridization ; Infertility, Female/physiopathology ; Infertility, Male/physiopathology ; Male ; *Meiosis ; *Metaphase ; Mice ; Mutation ; Oocytes/*physiology ; Ovary/cytology/physiology ; RNA, Messenger/genetics/metabolism ; Recombination, Genetic ; Spermatocytes/*physiology ; Spermatogenesis ; Testis/cytology/physiology
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  • 26
    Publication Date: 2003-05-10
    Description: Despite its implications for higher order functions of the brain, little is currently known about the molecular basis of left-right asymmetry of the brain. Here we report that synaptic distribution of N-methyl-D-aspartate (NMDA) receptor GluRepsilon2 (NR2B) subunits in the adult mouse hippocampus is asymmetrical between the left and right and between the apical and basal dendrites of single neurons. These asymmetrical allocations of epsilon2 subunits differentiate the properties of NMDA receptors and synaptic plasticity between the left and right hippocampus. These results provide a molecular basis for the structural and functional asymmetry of the mature brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kawakami, Ryosuke -- Shinohara, Yoshiaki -- Kato, Yuichiro -- Sugiyama, Hiroyuki -- Shigemoto, Ryuichi -- Ito, Isao -- New York, N.Y. -- Science. 2003 May 9;300(5621):990-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Graduate School of Medical Science, Kyushu University, Fukuoka 812-8582, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12738868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bicuculline/pharmacology ; Dendrites/metabolism/physiology ; Denervation ; Electric Stimulation ; Excitatory Amino Acid Antagonists/pharmacology ; Excitatory Postsynaptic Potentials ; *Functional Laterality ; Hippocampus/*metabolism/physiology ; In Vitro Techniques ; Long-Term Potentiation ; Mice ; Mice, Inbred C57BL ; Neuronal Plasticity ; Patch-Clamp Techniques ; Perforant Pathway/physiology ; Phenols/pharmacology ; Piperidines/pharmacology ; Pyramidal Cells/*metabolism/physiology ; Quinoxalines/pharmacology ; Receptors, N-Methyl-D-Aspartate/antagonists & inhibitors/*metabolism ; Synapses/physiology
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  • 27
    Publication Date: 2003-11-15
    Description: Cranial radiation therapy causes a progressive decline in cognitive function that is linked to impaired neurogenesis. Chronic inflammation accompanies radiation injury, suggesting that inflammatory processes may contribute to neural stem cell dysfunction. Here, we show that neuroinflammation alone inhibits neurogenesis and that inflammatory blockade with indomethacin, a common nonsteroidal anti-inflammatory drug, restores neurogenesis after endotoxin-induced inflammation and augments neurogenesis after cranial irradiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Monje, Michelle L -- Toda, Hiroki -- Palmer, Theo D -- F30 NS04696701/NS/NINDS NIH HHS/ -- MH20016-05/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2003 Dec 5;302(5651):1760-5. Epub 2003 Nov 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford University, Department of Neurosurgery, MSLS P309, Mail Code 5487, 1201 Welch Road, Stanford, CA 94305-5487, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615545" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Inflammatory Agents, Non-Steroidal/pharmacology ; Antigens, CD/metabolism ; Apoptosis ; Cell Differentiation ; Cells, Cultured ; Coculture Techniques ; Culture Media, Conditioned ; Cytokine Receptor gp130 ; Cytokines/physiology ; Dentate Gyrus/cytology/drug effects/physiology/radiation effects ; Female ; Gamma Rays ; Hippocampus/cytology/drug effects/*physiology/radiation effects ; In Situ Nick-End Labeling ; Indomethacin/*pharmacology ; Inflammation/drug therapy/*physiopathology ; Interleukin-6/pharmacology/physiology ; Lipopolysaccharides/pharmacology ; Membrane Glycoproteins/metabolism ; Mice ; Microglia/*physiology ; Mitotic Index ; Neurons/drug effects/*physiology/radiation effects ; Rats ; Rats, Inbred F344 ; Receptors, Interleukin-6/metabolism ; Recombinant Proteins/pharmacology ; Signal Transduction ; Stem Cells/physiology
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  • 28
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mourier, Tobias -- Jeffares, Daniel C -- New York, N.Y. -- Science. 2003 May 30;300(5624):1393.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Evolutionary Biology, Zoological Institute, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen O, Denmark. tmourier@zi.ku.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775832" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/genetics ; Animals ; Caenorhabditis elegans/genetics ; DNA, Complementary/genetics ; Eukaryota/genetics ; *Eukaryotic Cells ; Fungi/genetics ; Humans ; Insects/genetics ; Interspersed Repetitive Sequences ; *Introns ; Mice ; Plasmodium/genetics ; RNA-Directed DNA Polymerase/metabolism ; Rats ; *Recombination, Genetic ; Takifugu/genetics ; Templates, Genetic
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  • 29
    Publication Date: 2003-06-07
    Description: Insulin resistance is a major hallmark in the development of type II diabetes, which is characterized by the failure of insulin to promote glucose uptake in muscle and to suppress glucose production in liver. The serine-threonine kinase Akt (PKB) is a principal target of insulin signaling that inhibits hepatic glucose output when glucose is available from food. Here we show that TRB3, a mammalian homolog of Drosophila tribbles, functions as a negative modulator of Akt. TRB3 expression is induced in liver under fasting conditions, and TRB3 disrupts insulin signaling by binding directly to Akt and blocking activation of the kinase. Amounts of TRB3 RNA and protein were increased in livers of db/db diabetic mice compared with those in wild-type mice. Hepatic overexpression of TRB3 in amounts comparable to those in db/db mice promoted hyperglycemia and glucose intolerance. Our results suggest that, by interfering with Akt activation, TRB3 contributes to insulin resistance in individuals with susceptibility to type II diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Du, Keyong -- Herzig, Stephan -- Kulkarni, Rohit N -- Montminy, Marc -- New York, N.Y. -- Science. 2003 Jun 6;300(5625):1574-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Peptide Biology Laboratories, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037-1002, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12791994" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviridae/genetics/physiology ; Amino Acid Substitution ; Animals ; Blood Glucose/metabolism ; Cell Cycle Proteins/genetics/*metabolism ; Cell Line ; Diabetes Mellitus/genetics/metabolism ; Enzyme Activation ; Fasting ; Genetic Vectors ; Glucose/metabolism ; Glucose Intolerance ; Glycogen Synthase Kinase 3/metabolism ; Humans ; Insulin/blood/*metabolism ; Insulin Resistance ; Insulin-Like Growth Factor I/pharmacology ; Liver/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Phosphorylation ; Polymerase Chain Reaction ; Protein-Serine-Threonine Kinases/metabolism ; Proto-Oncogene Proteins/*metabolism ; Proto-Oncogene Proteins c-akt ; RNA Interference ; Rats ; Repressor Proteins ; Signal Transduction ; Transfection ; Transgenes ; Tumor Cells, Cultured ; Two-Hybrid System Techniques
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  • 30
    Publication Date: 2003-08-02
    Description: Reelin is an extracellular protein that is crucial for layer formation in the embryonic brain. Here, we demonstrate that Reelin functions postnatally to regulate the development of the neuromuscular junction. Reelin is required for motor end-plate maturation and proper nerve-muscle connectivity, and it directly promotes synapse elimination. Unlike layer formation, neuromuscular junction development requires a function of Reelin that is not mediated by Disabled1 or very-low-density lipoprotein receptors and apolipoprotein E receptor 2 receptors but by a distinct mechanism involving its protease activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Quattrocchi, Carlo C -- Huang, Cheng -- Niu, Sanyong -- Sheldon, Michael -- Benhayon, David -- Cartwright, Joiner Jr -- Mosier, Dennis R -- Keller, Flavio -- D'Arcangelo, Gabriella -- New York, N.Y. -- Science. 2003 Aug 1;301(5633):649-53.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Cain Foundation Laboratories, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12893944" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Axons/metabolism ; Cell Adhesion Molecules, Neuronal/genetics/metabolism/pharmacology/*physiology ; Culture Media, Conditioned ; Diaphragm/innervation ; Extracellular Matrix Proteins/genetics/metabolism/pharmacology/*physiology ; LDL-Receptor Related Proteins ; Mice ; Mice, Neurologic Mutants ; Microscopy, Confocal ; Microscopy, Electron ; Motor Endplate/ultrastructure ; Motor Neurons/metabolism ; Muscle, Skeletal/innervation ; Mutation ; Nerve Tissue Proteins/genetics/metabolism ; Neuromuscular Junction/*growth & ; development/metabolism/*physiology/ultrastructure ; Receptors, LDL/genetics/metabolism ; Receptors, Lipoprotein/genetics/metabolism ; Schwann Cells/metabolism ; Serine Endopeptidases ; Serine Proteinase Inhibitors/pharmacology ; Sulfones/pharmacology ; Synapses/*physiology/ultrastructure
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  • 31
    Publication Date: 2003-12-13
    Description: The neuromuscular disease myotonic dystrophy (DM) is caused by microsatellite repeat expansions at two different genomic loci. Mutant DM transcripts are retained in the nucleus together with the muscleblind (Mbnl) proteins, and these abnormal RNAs somehow interfere with pre-mRNA splicing regulation. Here, we show that disruption of the mouse Mbnl1 gene leads to muscle, eye, and RNA splicing abnormalities that are characteristic of DM disease. Our results support the hypothesis that manifestations of DM can result from sequestration of specific RNA binding proteins by a repetitive element expansion in a mutant RNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kanadia, Rahul N -- Johnstone, Karen A -- Mankodi, Ami -- Lungu, Codrin -- Thornton, Charles A -- Esson, Douglas -- Timmers, Adrian M -- Hauswirth, William W -- Swanson, Maurice S -- AR46799/AR/NIAMS NIH HHS/ -- AR46806/AR/NIAMS NIH HHS/ -- AR48143/AR/NIAMS NIH HHS/ -- R01 AR046799/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2003 Dec 12;302(5652):1978-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Microbiology, Powell Gene Therapy Center, Gainesville, FL 32610, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14671308" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Animals ; CELF1 Protein ; Cataract/etiology/pathology ; Cell Nucleus/metabolism ; Chloride Channels/genetics/metabolism ; DNA-Binding Proteins ; Disease Models, Animal ; Electromyography ; Exons ; Gene Targeting ; Introns ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Muscle Fibers, Skeletal/pathology ; Muscle Relaxation ; Muscle, Skeletal/pathology/physiopathology ; Myocardium/metabolism ; Myotonic Dystrophy/*genetics/pathology/*physiopathology ; Protein Isoforms ; RNA Splicing ; RNA-Binding Proteins/*genetics/metabolism/*physiology ; Reverse Transcriptase Polymerase Chain Reaction ; Trinucleotide Repeat Expansion ; Troponin T/genetics/metabolism
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  • 32
    Publication Date: 2003-03-08
    Description: Mutations in the cytochrome P450 family 1, subfamily B, polypeptide 1 (CYP1B1) gene are a common cause of human primary congenital glaucoma (PCG). Here we show that Cyp1b1-/- mice have ocular drainage structure abnormalities resembling those reported in human PCG patients. Using Cyp1b1-/- mice, we identified the tyrosinase gene (Tyr) as a modifier of the drainage structure phenotype, with Tyr deficiency increasing the magnitude of dysgenesis. The severe dysgenesis in eyes lacking both CYP1B1 and TYR was alleviated by administration of the tyrosinase product dihydroxyphenylalanine (l-dopa). Tyr also modified the drainage structure dysgenesis in mice with a mutant Foxc1 gene, which is also involved in PCG. These experiments raise the possibility that a tyrosinase/l-dopa pathway modifies human PCG, which could open new therapeutic avenues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Libby, Richard T -- Smith, Richard S -- Savinova, Olga V -- Zabaleta, Adriana -- Martin, Janice E -- Gonzalez, Frank J -- John, Simon W M -- CA34196/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Mar 7;299(5612):1578-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jackson Laboratory, Bar Harbor, ME 04609, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12624268" target="_blank"〉PubMed〈/a〉
    Keywords: Albinism, Ocular/genetics/pathology ; Animals ; Anterior Eye Segment/*abnormalities ; Aryl Hydrocarbon Hydroxylases/deficiency/genetics ; Cornea/abnormalities ; Cytochrome P-450 CYP1B1 ; *DNA-Binding Proteins ; Disease Models, Animal ; Female ; Forkhead Transcription Factors ; Glaucoma/*congenital/enzymology/*genetics/pathology ; Intraocular Pressure ; Iris/abnormalities ; Levodopa/administration & dosage/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Monophenol Monooxygenase/deficiency/*genetics/metabolism ; Mutation ; Phenotype ; Pregnancy ; Trabecular Meshwork/abnormalities ; Transcription Factors/genetics
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  • 33
    Publication Date: 2003-10-25
    Description: Paracaspase (MALT1), a member of an evolutionarily conserved superfamily of caspase-like proteins, has been shown to bind and colocalize with the protein Bcl10 in vitro and, because of this association, has been suggested to be involved in the CARMA1-Bcl10 pathway of antigen-induced nuclear factor kappaB (NF-kappaB) activation. We demonstrate that primary T and B lymphocytes from paracaspase-deficient mice are defective in antigen-receptor-induced NF-kappaB activation, cytokine production, and proliferation. Paracaspase acts downstream of Bcl10 to induce NF-kappaB activation and is required for the normal development of B cells, indicating that paracaspase provides the missing link between Bcl10 and activation of the IkappaB kinase complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruefli-Brasse, Astrid A -- French, Dorothy M -- Dixit, Vishva M -- New York, N.Y. -- Science. 2003 Nov 28;302(5650):1581-4. Epub 2003 Oct 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Oncology Department, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14576442" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Animals ; Antibody Formation ; Antigens, CD/analysis ; B-Lymphocyte Subsets/immunology/physiology ; B-Lymphocytes/*immunology/metabolism/physiology ; Caspases ; Cell Differentiation ; Cell Division ; Cell Survival ; Cells, Cultured ; Cytokines/metabolism ; Gene Deletion ; Gene Targeting ; Guanylate Kinase ; I-kappa B Kinase ; *Lymphocyte Activation ; Lymphoma, B-Cell, Marginal Zone/chemistry/*metabolism ; Mice ; Mice, Inbred C57BL ; NF-kappa B/*metabolism ; Neoplasm Proteins/chemistry/*metabolism ; Nucleoside-Phosphate Kinase/metabolism ; Phosphorylation ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/metabolism ; Receptors, Antigen, B-Cell/metabolism ; Receptors, Antigen, T-Cell/metabolism ; Signal Transduction ; T-Lymphocyte Subsets/immunology/physiology ; T-Lymphocytes/*immunology/metabolism/physiology ; Transfection
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  • 34
    Publication Date: 2003-07-12
    Description: Stimulation of Toll-like receptors (TLRs) triggers activation of a common MyD88-dependent signaling pathway as well as a MyD88-independent pathway that is unique to TLR3 and TLR4 signaling pathways leading to interferon (IFN)-beta production. Here we disrupted the gene encoding a Toll/IL-1 receptor (TIR) domain-containing adaptor, TRIF. TRIF-deficient mice were defective in both TLR3- and TLR4-mediated expression of IFN-beta and activation of IRF-3. Furthermore, inflammatory cytokine production in response to the TLR4 ligand, but not to other TLR ligands, was severely impaired in TRIF-deficient macrophages. Mice deficient in both MyD88 and TRIF showed complete loss of nuclear factor kappa B activation in response to TLR4 stimulation. These findings demonstrate that TRIF is essential for TLR3- and TLR4-mediated signaling pathways facilitating mammalian antiviral host defense.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamamoto, Masahiro -- Sato, Shintaro -- Hemmi, Hiroaki -- Hoshino, Katsuaki -- Kaisho, Tsuneyasu -- Sanjo, Hideki -- Takeuchi, Osamu -- Sugiyama, Masanaka -- Okabe, Masaru -- Takeda, Kiyoshi -- Akira, Shizuo -- New York, N.Y. -- Science. 2003 Aug 1;301(5633):640-3. Epub 2003 Jul 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Host Defense, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-oka, Suita Osaka 565-0871, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12855817" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Adaptor Proteins, Vesicular Transport/genetics/*physiology ; Animals ; Antigens, Differentiation/*physiology ; Cells, Cultured ; Cytokines/biosynthesis ; DNA-Binding Proteins/metabolism ; Dimerization ; Embryo, Mammalian ; Fibroblasts/metabolism ; Gene Expression Regulation ; Gene Targeting ; Interferon Regulatory Factor-3 ; Interferon-beta/genetics/*metabolism ; JNK Mitogen-Activated Protein Kinases ; Ligands ; Lipopolysaccharides/immunology/pharmacology ; Macrophages, Peritoneal/immunology/metabolism ; Membrane Glycoproteins/*metabolism ; Mice ; Mice, Inbred C57BL ; Mitogen-Activated Protein Kinases/metabolism ; Myeloid Differentiation Factor 88 ; NF-kappa B/metabolism ; Poly I-C/pharmacology ; Receptors, Cell Surface/*metabolism ; Receptors, Immunologic/*physiology ; *Signal Transduction ; Toll-Like Receptor 3 ; Toll-Like Receptor 4 ; Toll-Like Receptors ; Transcription Factors/metabolism
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  • 35
    Publication Date: 2003-08-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guerrero, Isabel -- Ruiz i Altaba, Ariel -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):774-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centro de Biologia Molecular "Severo Ochoa," CSIC-UAM, Universidad Autonoma de Madrid, Madrid E-28049, Spain. iguerrero@cbm.uam.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907783" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Caspase 3 ; Caspases/metabolism ; Central Nervous System/cytology/*embryology ; Chick Embryo ; Drosophila/growth & development/metabolism ; Drosophila Proteins/metabolism ; Hedgehog Proteins ; Humans ; Intracellular Signaling Peptides and Proteins ; Ligands ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Mutation ; Neoplasms/etiology ; Protein Binding ; Protein Structure, Tertiary ; Receptors, Cell Surface ; Signal Transduction ; Trans-Activators/*metabolism ; Wings, Animal/growth & development
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  • 36
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2003 Feb 21;299(5610):1163.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12595661" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; Cues ; Female ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred CBA ; Neurons/*physiology ; Neurons, Afferent/*physiology ; Olfactory Bulb/cytology/*physiology ; Olfactory Pathways ; Olfactory Receptor Neurons/physiology ; Pheromones/*physiology ; Receptors, Odorant/physiology ; Sex Characteristics ; Smell ; Species Specificity ; Vomeronasal Organ/cytology/*physiology
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  • 37
    Publication Date: 2003-07-12
    Description: Preclinical or clinical trials for muscular dystrophies have met with modest success, mainly because of inefficient delivery of viral vectors or donor cells to dystrophic muscles. We report here that intra-arterial delivery of wild-type mesoangioblasts, a class of vessel-associated stem cells, corrects morphologically and functionally the dystrophic phenotype of virtually all downstream muscles in adult immunocompetent alpha-sarcoglycan (alpha-SG) null mice, a model organism for limb-girdle muscular dystrophy. When mesoangioblasts isolated from juvenile dystrophic mice and transduced with a lentiviral vector expressing alpha-SG were injected into the femoral artery of dystrophic mice, they reconstituted skeletal muscle in a manner similar to that seen in wild-type cells. The success of this protocol was mainly due to widespread distribution of donor stem cells through the capillary network, a distinct advantage of this strategy over previous approaches.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sampaolesi, Maurilio -- Torrente, Yvan -- Innocenzi, Anna -- Tonlorenzi, Rossana -- D'Antona, Giuseppe -- Pellegrino, M Antonietta -- Barresi, Rita -- Bresolin, Nereo -- De Angelis, M Gabriella Cusella -- Campbell, Kevin P -- Bottinelli, Roberto -- Cossu, Giulio -- 1322/Telethon/Italy -- 463/BI/Telethon/Italy -- New York, N.Y. -- Science. 2003 Jul 25;301(5632):487-92. Epub 2003 Jul 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stem Cell Research Institute, H. S. Raffaele, Via Olgettina 58, 20132 Milan, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12855815" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Vessels/cytology/embryology ; Cell Differentiation ; Cell Line ; Cell Movement ; Cytoskeletal Proteins/*genetics/*metabolism ; Dystrophin/metabolism ; Endothelium, Vascular/physiology ; Female ; Femoral Artery ; Genetic Vectors ; Lentivirus/genetics ; Locomotion ; Male ; Membrane Glycoproteins/*genetics/*metabolism ; Mesoderm/cytology ; Mice ; Mice, Knockout ; Mice, Transgenic ; Muscle Contraction ; Muscle Fibers, Skeletal/cytology/physiology ; Muscle, Skeletal/cytology/metabolism/pathology/*physiology ; Muscular Dystrophy, Animal/metabolism/pathology/*therapy ; Regeneration ; Sarcoglycans ; *Stem Cell Transplantation ; Stem Cells/*physiology ; Transfection
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  • 38
    Publication Date: 2003-11-25
    Description: Calcium ion (Ca2+) influx through voltage-gated Ca2+ channels is important for the regulation of vascular tone. Activation of L-type Ca2+ channels initiates muscle contraction; however, the role of T-type Ca2+ channels (T-channels) is not clear. We show that mice deficient in the alpha1H T-type Ca2+ channel (alpha(1)3.2-null) have constitutively constricted coronary arterioles and focal myocardial fibrosis. Coronary arteries isolated from alpha(1)3.2-null arteries showed normal contractile responses, but reduced relaxation in response to acetylcholine and nitroprusside. Furthermore, acute blockade of T-channels with Ni2+ prevented relaxation of wild-type coronary arteries. Thus, Ca2+ influx through alpha1H T-type Ca2+ channels is essential for normal relaxation of coronary arteries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Chien-Chang -- Lamping, Kathryn G -- Nuno, Daniel W -- Barresi, Rita -- Prouty, Sally J -- Lavoie, Julie L -- Cribbs, Leanne L -- England, Sarah K -- Sigmund, Curt D -- Weiss, Robert M -- Williamson, Roger A -- Hill, Joseph A -- Campbell, Kevin P -- New York, N.Y. -- Science. 2003 Nov 21;302(5649):1416-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, University of Iowa, Iowa City, IA 52242, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14631046" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholine/pharmacology ; Animals ; Arteries/drug effects/*physiology ; Calcium/*metabolism ; Calcium Channels, T-Type/genetics/*physiology ; Coronary Vessels/drug effects/pathology/*physiology ; Echocardiography ; Electrocardiography ; Endothelium, Vascular/drug effects/physiology ; Female ; Fibrosis ; Ganglia, Spinal/cytology ; Gene Targeting ; Heart/physiology ; Heart Rate ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Muscle, Smooth, Vascular/physiology ; Myocardium/pathology ; Neurons/metabolism ; Nickel/pharmacology ; Nitric Oxide/physiology ; Nitric Oxide Donors/pharmacology ; Nitroprusside/pharmacology ; Patch-Clamp Techniques ; Vasoconstriction/drug effects ; *Vasodilation/drug effects
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  • 39
    Publication Date: 2003-09-06
    Description: Wnt proteins, regulators of development in many organisms, bind to seven transmembrane-spanning (7TMS) receptors called frizzleds, thereby recruiting the cytoplasmic molecule dishevelled (Dvl) to the plasma membrane.Frizzled-mediated endocytosis of Wg (a Drosophila Wnt protein) and lysosomal degradation may regulate the formation of morphogen gradients. Endocytosis of Frizzled 4 (Fz4) in human embryonic kidney 293 cells was dependent on added Wnt5A protein and was accomplished by the multifunctional adaptor protein beta-arrestin 2 (betaarr2), which was recruited to Fz4 by binding to phosphorylated Dvl2. These findings provide a previously unrecognized mechanism for receptor recruitment of beta-arrestin and demonstrate that Dvl plays an important role in the endocytosis of frizzled, as well as in promoting signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Wei -- ten Berge, Derk -- Brown, Jeff -- Ahn, Seungkirl -- Hu, Liaoyuan A -- Miller, William E -- Caron, Marc G -- Barak, Larry S -- Nusse, Roel -- Lefkowitz, Robert J -- HL 16037/HL/NHLBI NIH HHS/ -- HL 61365/HL/NHLBI NIH HHS/ -- NS 19576/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Sep 5;301(5638):1391-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Departments of Medicine and Biochemistry, Duke University Medical Center, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12958364" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Arrestins/genetics/*metabolism ; Cell Line ; Cell Membrane/metabolism ; Clathrin/metabolism ; Cytoplasm/metabolism ; *Endocytosis ; Frizzled Receptors ; Humans ; Mice ; Phosphoproteins/metabolism ; Phosphorylation ; Protein Kinase C/antagonists & inhibitors/metabolism ; Proteins/genetics/*metabolism ; Proto-Oncogene Proteins/*metabolism/pharmacology ; RNA, Small Interfering ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Wnt Proteins
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  • 40
    Publication Date: 2003-04-12
    Description: DNA sequence and annotation of the entire human chromosome 7, encompassing nearly 158 million nucleotides of DNA and 1917 gene structures, are presented. To generate a higher order description, additional structural features such as imprinted genes, fragile sites, and segmental duplications were integrated at the level of the DNA sequence with medical genetic data, including 440 chromosome rearrangement breakpoints associated with disease. This approach enabled the discovery of candidate genes for developmental diseases including autism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882961/" 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/PMC2882961/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scherer, Stephen W -- Cheung, Joseph -- MacDonald, Jeffrey R -- Osborne, Lucy R -- Nakabayashi, Kazuhiko -- Herbrick, Jo-Anne -- Carson, Andrew R -- Parker-Katiraee, Layla -- Skaug, Jennifer -- Khaja, Razi -- Zhang, Junjun -- Hudek, Alexander K -- Li, Martin -- Haddad, May -- Duggan, Gavin E -- Fernandez, Bridget A -- Kanematsu, Emiko -- Gentles, Simone -- Christopoulos, Constantine C -- Choufani, Sanaa -- Kwasnicka, Dorota -- Zheng, Xiangqun H -- Lai, Zhongwu -- Nusskern, Deborah -- Zhang, Qing -- Gu, Zhiping -- Lu, Fu -- Zeesman, Susan -- Nowaczyk, Malgorzata J -- Teshima, Ikuko -- Chitayat, David -- Shuman, Cheryl -- Weksberg, Rosanna -- Zackai, Elaine H -- Grebe, Theresa A -- Cox, Sarah R -- Kirkpatrick, Susan J -- Rahman, Nazneen -- Friedman, Jan M -- Heng, Henry H Q -- Pelicci, Pier Giuseppe -- Lo-Coco, Francesco -- Belloni, Elena -- Shaffer, Lisa G -- Pober, Barbara -- Morton, Cynthia C -- Gusella, James F -- Bruns, Gail A P -- Korf, Bruce R -- Quade, Bradley J -- Ligon, Azra H -- Ferguson, Heather -- Higgins, Anne W -- Leach, Natalia T -- Herrick, Steven R -- Lemyre, Emmanuelle -- Farra, Chantal G -- Kim, Hyung-Goo -- Summers, Anne M -- Gripp, Karen W -- Roberts, Wendy -- Szatmari, Peter -- Winsor, Elizabeth J T -- Grzeschik, Karl-Heinz -- Teebi, Ahmed -- Minassian, Berge A -- Kere, Juha -- Armengol, Lluis -- Pujana, Miguel Angel -- Estivill, Xavier -- Wilson, Michael D -- Koop, Ben F -- Tosi, Sabrina -- Moore, Gudrun E -- Boright, Andrew P -- Zlotorynski, Eitan -- Kerem, Batsheva -- Kroisel, Peter M -- Petek, Erwin -- Oscier, David G -- Mould, Sarah J -- Dohner, Hartmut -- Dohner, Konstanze -- Rommens, Johanna M -- Vincent, John B -- Venter, J Craig -- Li, Peter W -- Mural, Richard J -- Adams, Mark D -- Tsui, Lap-Chee -- 38103/Canadian Institutes of Health Research/Canada -- P01 GM061354/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 May 2;300(5620):767-72. Epub 2003 Apr 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Genomic Biology, The Hospital for Sick Children, Toronto, Ontario, Canada, M5G 1X8. steve@genet.sickkids.on.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690205" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/genetics ; Chromosome Aberrations ; Chromosome Fragile Sites ; Chromosome Fragility ; Chromosome Mapping ; Chromosomes, Human, Pair 7/*genetics ; Computational Biology ; Congenital Abnormalities/genetics ; CpG Islands ; DNA, Complementary ; Databases, Genetic ; Euchromatin/genetics ; Expressed Sequence Tags ; Gene Duplication ; Genes, Overlapping ; Genetic Diseases, Inborn/genetics ; Genomic Imprinting ; Humans ; In Situ Hybridization, Fluorescence ; Limb Deformities, Congenital/genetics ; Mice ; Molecular Sequence Data ; Mutation ; Neoplasms/genetics ; Pseudogenes ; RNA/genetics ; Retroelements ; *Sequence Analysis, DNA ; Williams Syndrome/genetics
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  • 41
    Publication Date: 2003-10-04
    Description: Sensations from viscera, like fullness, easily become painful if the stimulus persists. Mice lacking alpha1G T-type Ca2+ channels show hyperalgesia to visceral pain. Thalamic infusion of a T-type blocker induced similar hyperalgesia in wild-type mice. In response to visceral pain, the ventroposterolateral thalamic neurons evokeda surge of single spikes, which then slowly decayed as T type-dependent burst spikes gradually increased. In alpha1G-deficient neurons, the single-spike response persisted without burst spikes. These results indicate that T-type Ca2+ channels underlie an antinociceptive mechanism operating in the thalamus andsupport the idea that burst firing plays a critical role in sensory gating in the thalamus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Daesoo -- Park, Donghyun -- Choi, Soonwook -- Lee, Sukchan -- Sun, Minjeong -- Kim, Chanki -- Shin, Hee-Sup -- New York, N.Y. -- Science. 2003 Oct 3;302(5642):117-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Creative Research Initiative Center for Calcium and Learning, Korea Institutes of Science and Technology, Seoul 136-791, Korea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14526084" target="_blank"〉PubMed〈/a〉
    Keywords: Abdominal Pain/physiopathology ; Acetic Acid/pharmacology ; Action Potentials ; Analysis of Variance ; Animals ; Calcium Channel Blockers/pharmacology ; Calcium Channels, T-Type/genetics/*physiology ; Female ; Magnesium Sulfate/pharmacology ; Male ; Mibefradil/pharmacology ; Mice ; Mice, Inbred C57BL ; Mutation ; Neurons/physiology ; Pain/*physiopathology ; Pain Measurement ; Ventral Thalamic Nuclei/*physiology ; Viscera
    Print ISSN: 0036-8075
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  • 42
    Publication Date: 2003-07-26
    Description: The multidomain proapoptotic molecules BAK or BAX are required to initiate the mitochondrial pathway of apoptosis. How cells maintain the potentially lethal proapoptotic effector BAK in a monomeric inactive conformation at mitochondria is unknown. In viable cells, we found BAK complexed with mitochondrial outer-membrane protein VDAC2, a VDAC isoform present in low abundance that interacts specifically with the inactive conformer of BAK. Cells deficient in VDAC2, but not cells lacking the more abundant VDAC1, exhibited enhanced BAK oligomerization and were more susceptible to apoptotic death. Conversely, overexpression of VDAC2 selectively prevented BAK activation and inhibited the mitochondrial apoptotic pathway. Death signals activate "BH3-only" molecules such as tBID, BIM, or BAD, which displace VDAC2 from BAK, enabling homo-oligomerization of BAK and apoptosis. Thus, VDAC2, an isoform restricted to mammals, regulates the activity of BAK and provides a connection between mitochondrial physiology and the core apoptotic pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheng, Emily H Y -- Sheiko, Tatiana V -- Fisher, Jill K -- Craigen, William J -- Korsmeyer, Stanley J -- NS42319/NS/NINDS NIH HHS/ -- R37CA50239/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Jul 25;301(5632):513-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12881569" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; BH3 Interacting Domain Death Agonist Protein ; Biopolymers ; Carrier Proteins/metabolism/pharmacology ; Cell Line ; Cells, Cultured ; Etoposide/pharmacology ; Humans ; Intracellular Membranes/metabolism ; Jurkat Cells ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Mice, Inbred C57BL ; Mitochondria/*metabolism ; Mitochondria, Liver/metabolism ; Porins/genetics/isolation & purification/*metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; Proto-Oncogene Proteins/metabolism ; *Proto-Oncogene Proteins c-bcl-2 ; Recombinant Proteins/pharmacology ; Staurosporine/pharmacology ; Voltage-Dependent Anion Channel 1 ; Voltage-Dependent Anion Channel 2 ; Voltage-Dependent Anion Channels ; bcl-2 Homologous Antagonist-Killer Protein ; bcl-2-Associated X Protein
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 43
    Publication Date: 2003-08-16
    Description: The severity of many inherited disorders is influenced by genetic background. We describe a modifier interaction in C57BL/6Jmice that converts a chronic movement disorder into a lethal neurological disease. The primary mutation (medJ) changes a splice donor site of the sodium channel gene Scn8a (Nav1.6). The modifier mutation is characteristic of strain C57BL/6Jand introduces a nonsense codon into sodium channel modifier 1 (SCNM1), a zinc finger protein and a putative splice factor. An internally deleted SCNM1 protein is also predicted as a result of exon skipping associated with disruption of a consensus exonic splicing enhancer. The effect of the modifier mutation is to reduce the abundance of correctly spliced sodium channel transcripts below the threshold for survival. Our finding that genetic variation in a putative RNA splicing factor influences disease susceptibility in mice raises the possibility that a similar mechanism modifies the severity of human inherited disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buchner, David A -- Trudeau, Michelle -- Meisler, Miriam H -- GM24872/GM/NIGMS NIH HHS/ -- T32 DC00011/DC/NIDCD NIH HHS/ -- T32 GM07544/GM/NIGMS NIH HHS/ -- T32 HG00040/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 15;301(5635):967-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, University of Michigan School of Medicine, Ann Arbor, MI 48109-0618, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12920299" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Animals ; Carrier Proteins/chemistry/*genetics/metabolism ; Chromosome Mapping ; Codon, Nonsense ; Codon, Terminator ; Genetic Predisposition to Disease ; Humans ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Mice, Neurologic Mutants ; Mice, Transgenic ; Molecular Sequence Data ; Movement Disorders/genetics/metabolism ; Mutation ; NAV1.6 Voltage-Gated Sodium Channel ; *Nerve Tissue Proteins ; Nervous System Diseases/*genetics/metabolism ; Phenotype ; Phylogeny ; *RNA Splicing ; RNA, Messenger/genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Sodium Channels/*genetics/metabolism ; Zinc Fingers
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  • 44
    Publication Date: 2003-09-23
    Description: Erythrocytic mechanisms involved in malarial infection are poorly understood. We have found that signaling via the erythrocyte beta2-adrenergic receptor and heterotrimeric guanine nucleotide-binding protein (Galphas) regulated the entry of the human malaria parasite Plasmodium falciparum. Agonists that stimulate cyclic adenosine 3',5'-monophosphate production led to an increase in malarial infection that could be blocked by specific receptor antagonists. Moreover, peptides designed to inhibit Galphas protein function reduced parasitemia in P. falciparum cultures in vitro, and beta-antagonists reduced parasitemia of P. berghei infections in an in vivo mouse model. Thus, signaling via the erythrocyte beta2-adrenergic receptor and Galphas may regulate malarial infection across parasite species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harrison, Travis -- Samuel, Benjamin U -- Akompong, Thomas -- Hamm, Heidi -- Mohandas, Narla -- Lomasney, Jon W -- Haldar, Kasturi -- AI39071/AI/NIAID NIH HHS/ -- DK32094/DK/NIDDK NIH HHS/ -- EY06062/EY/NEI NIH HHS/ -- EY10291/EY/NEI NIH HHS/ -- HL03961/HL/NHLBI NIH HHS/ -- HL55591/HL/NHLBI NIH HHS/ -- HL69630/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2003 Sep 19;301(5640):1734-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Feinberg School of Medicine, Northwestern University, 303 Chicago Avenue, Chicago, IL 60611, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14500986" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-2 Receptor Agonists ; Adrenergic beta-2 Receptor Antagonists ; Adrenergic beta-Agonists/pharmacology ; Adrenergic beta-Antagonists/pharmacology ; Alprenolol/pharmacology ; Animals ; Catecholamines/metabolism ; Cyclic AMP/metabolism ; Erythrocyte Membrane/metabolism ; Erythrocytes/metabolism/*parasitology ; GTP-Binding Protein alpha Subunits, Gs/chemistry/*metabolism ; Humans ; Malaria/metabolism/*parasitology ; Membrane Microdomains/metabolism ; Mice ; Parasitemia ; Peptide Fragments/pharmacology ; Plasmodium berghei/*physiology ; Plasmodium falciparum/growth & development/*physiology ; Propranolol/pharmacology ; Purinergic P1 Receptor Agonists ; Purinergic P1 Receptor Antagonists ; Receptors, Adrenergic, beta-2/*metabolism ; Receptors, Purinergic P1/metabolism ; Signal Transduction ; Stereoisomerism ; Vacuoles/parasitology
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  • 45
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davidson, Alan J -- Zon, Leonard I -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):835-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Division of Hematology/Oncology, Children's Hospital, Howard Hughes Medical Institute, Boston, MA 02115, USA. zon@hhmi.tchlab.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574609" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbon Tetrachloride/toxicity ; Cell Communication ; Cell Division ; Coculture Techniques ; Drug-Induced Liver Injury ; Endothelial Growth Factors/metabolism/*physiology ; Endothelium, Vascular/*cytology/physiology ; Hepatocyte Growth Factor/physiology/secretion ; Hepatocytes/*physiology ; Interleukin-6/physiology/secretion ; Liver/blood supply/*cytology/pathology/*physiology ; Liver Diseases/metabolism/pathology/prevention & control ; *Liver Regeneration ; Mice ; Necrosis ; Signal Transduction ; Up-Regulation ; Vascular Endothelial Growth Factor A ; Vascular Endothelial Growth Factor Receptor-1/*metabolism ; Vascular Endothelial Growth Factor Receptor-2/metabolism
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  • 46
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewcock, Joseph W -- Reed, Randall R -- New York, N.Y. -- Science. 2003 Dec 19;302(5653):2078-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14684811" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Alleles ; Animals ; Cell Nucleus/metabolism ; Chromosomes, Artificial, Yeast ; Feedback, Physiological ; *Gene Expression Regulation ; Genes, Reporter ; Mice ; Mice, Transgenic ; Multigene Family ; Odors ; Olfactory Receptor Neurons/*metabolism ; Promoter Regions, Genetic ; Pseudogenes ; Receptors, Odorant/*genetics/*metabolism ; Signal Transduction ; Transgenes
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  • 47
    Publication Date: 2003-04-12
    Description: Vascular smooth muscle cell (SMC) proliferation and migration are important events in the development of atherosclerosis. The low-density lipoprotein receptor-related protein (LRP1) mediates suppression of SMC migration induced by platelet-derived growth factor (PDGF). Here we show that LRP1 forms a complex with the PDGF receptor (PDGFR). Inactivation of LRP1 in vascular SMCs of mice causes PDGFR overexpression and abnormal activation of PDGFR signaling, resulting in disruption of the elastic layer, SMC proliferation, aneurysm formation, and marked susceptibility to cholesterol-induced atherosclerosis. The development of these abnormalities was reduced by treatment with Gleevec, an inhibitor of PDGF signaling. Thus, LRP1 has a pivotal role in protecting vascular wall integrity and preventing atherosclerosis by controlling PDGFR activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boucher, Philippe -- Gotthardt, Michael -- Li, Wei-Ping -- Anderson, Richard G W -- Herz, Joachim -- GM 52016/GM/NIGMS NIH HHS/ -- HL20948/HL/NHLBI NIH HHS/ -- HL63762/HL/NHLBI NIH HHS/ -- NS43408/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Apr 11;300(5617):329-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9046, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aorta/cytology/metabolism/*pathology ; Arteriosclerosis/*pathology/physiopathology/*prevention & control ; Benzamides ; Cattle ; Cell Division ; Cell Line ; Cholesterol, Dietary/administration & dosage ; Diet, Atherogenic ; Elastin/analysis ; Enzyme Inhibitors/pharmacology ; Imatinib Mesylate ; Ligands ; Low Density Lipoprotein Receptor-Related ; Protein-1/genetics/metabolism/*physiology ; Mesenteric Arteries/cytology/pathology ; Mice ; Mice, Knockout ; Mice, Transgenic ; Muscle, Smooth, Vascular/cytology/*metabolism/pathology ; Myocytes, Smooth Muscle/*metabolism/physiology ; Phosphorylation ; Piperazines/pharmacology ; Platelet-Derived Growth Factor/metabolism/pharmacology ; Proto-Oncogene Proteins c-sis ; Pyrimidines/pharmacology ; Receptor, Platelet-Derived Growth Factor beta/metabolism ; Signal Transduction
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  • 48
    Publication Date: 2003-12-13
    Description: Although Mdm2-mediated ubiquitination is essential for both degradation and nuclear export of p53, the molecular basis for the differential effects of Mdm2 remains unknown. Here we show that low levels of Mdm2 activity induce monoubiquitination and nuclear export of p53, whereas high levels promote p53's polyubiquitination and nuclear degradation. A p53-ubiquitin fusion protein that mimics monoubiquitinated p53 was found to accumulate in the cytoplasm in an Mdm2-independent manner, indicating that monoubiquitination is critical for p53 trafficking. These results clarify the nature of ubiquitination-mediated p53 regulation and suggest that distinct mechanisms regulate p53 function in accordance with the levels of Mdm2 activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Muyang -- Brooks, Christopher L -- Wu-Baer, Foon -- Chen, Delin -- Baer, Richard -- Gu, Wei -- New York, N.Y. -- Science. 2003 Dec 12;302(5652):1972-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Cancer Genetics and Department of Pathology, College of Physicians & Surgeons, Columbia University, 1150 St. Nicholas Avenue, New York, NY 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14671306" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Animals ; Cell Line, Tumor ; Cell Nucleus/*metabolism ; Cells, Cultured ; Cytoplasm/metabolism ; Humans ; Mice ; Mice, Knockout ; Mutation ; *Nuclear Proteins ; Protein Transport ; Proto-Oncogene Proteins/genetics/*metabolism ; Proto-Oncogene Proteins c-mdm2 ; Recombinant Fusion Proteins/metabolism ; Transfection ; Tumor Suppressor Protein p53/genetics/*metabolism ; Ubiquitin/genetics/*metabolism
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  • 49
    Publication Date: 2003-12-04
    Description: Cells undergoing apoptosis during development are removed by phagocytes, but the underlying mechanisms of this process are not fully understood. Phagocytes lacking the phosphatidylserine receptor (PSR) were defective in removing apoptotic cells. Consequently, in PSR-deficient mice, dead cells accumulated in the lung and brain, causing abnormal development and leading to neonatal lethality. A fraction of PSR knockout mice manifested a hyperplasic brain phenotype resembling that of mice deficient in the cell death-associated genes encoding Apaf-1, caspase-3, and caspase-9, which suggests that phagocytes may also be involved in promoting apoptosis. These data demonstrate a critical role for PSR in early stages of mammalian organogenesis and suggest that this receptor may be involved in respiratory distress syndromes and congenital brain malformations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ming O -- Sarkisian, Matthew R -- Mehal, Wajahat Z -- Rakic, Pasko -- Flavell, Richard A -- New York, N.Y. -- Science. 2003 Nov 28;302(5650):1560-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14645847" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Brain/abnormalities/cytology/*embryology ; Cell Division ; Cell Nucleus/ultrastructure ; Epithelial Cells/physiology/ultrastructure ; Eye/embryology ; Eye Abnormalities/etiology ; Hematopoietic Stem Cell Transplantation ; In Situ Nick-End Labeling ; Inflammation ; Lung/cytology/*embryology/physiology ; Macrophages/*physiology ; Mesoderm/ultrastructure ; Mice ; Mice, Knockout ; Necrosis ; Neurons/cytology ; Phagocytosis ; Phenotype ; Phosphatidylserines/metabolism ; Pulmonary Surfactants/metabolism ; Receptors, Cell Surface/genetics/*metabolism ; Respiratory Insufficiency/etiology ; Reverse Transcriptase Polymerase Chain Reaction
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  • 50
    Publication Date: 2003-07-19
    Description: Glucokinase (GK) plays a key role in whole-body glucose homeostasis by catalyzing the phosphorylation of glucose in cells that express this enzyme, such as pancreatic beta cells and hepatocytes. We describe a class of antidiabetic agents that act as nonessential, mixed-type GK activators (GKAs) that increase the glucose affinity and maximum velocity (Vmax) of GK. GKAs augment both hepatic glucose metabolism and glucose-induced insulin secretion from isolated rodent pancreatic islets, consistent with the expression and function of GK in both cell types. In several rodent models of type 2 diabetes mellitus, GKAs lowered blood glucose levels, improved the results of glucose tolerance tests, and increased hepatic glucose uptake. These findings may lead to the development of new drug therapies for diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grimsby, Joseph -- Sarabu, Ramakanth -- Corbett, Wendy L -- Haynes, Nancy-Ellen -- Bizzarro, Fred T -- Coffey, John W -- Guertin, Kevin R -- Hilliard, Darryl W -- Kester, Robert F -- Mahaney, Paige E -- Marcus, Linda -- Qi, Lida -- Spence, Cheryl L -- Tengi, John -- Magnuson, Mark A -- Chu, Chang An -- Dvorozniak, Mark T -- Matschinsky, Franz M -- Grippo, Joseph F -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):370-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Metabolic Diseases, Hoffmann-La Roche Inc., Nutley, NJ 07110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12869762" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Allosteric Regulation ; Animals ; Blood Glucose/metabolism ; *Carrier Proteins ; Diabetes Mellitus, Type 2/*drug therapy/metabolism ; Dose-Response Relationship, Drug ; Drug Evaluation, Preclinical ; Enzyme Activation ; Enzyme Activators/chemistry/pharmacology ; Glucokinase/*metabolism ; Glucose/*metabolism ; Glucose Tolerance Test ; Homeostasis ; Humans ; Hypoglycemic Agents/chemistry/pharmacology ; Insulin/blood/*secretion ; Islets of Langerhans/*drug effects/secretion ; Keto Acids/metabolism ; Liver/*drug effects/metabolism ; Liver Glycogen/biosynthesis ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Obese ; Proteins/metabolism/pharmacology ; Rats ; Rats, Wistar ; Recombinant Proteins/metabolism ; Stereoisomerism ; Thiazoles/chemistry/*pharmacology
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  • 51
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kennedy, Donald -- New York, N.Y. -- Science. 2003 May 9;300(5621):865.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12738815" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cell Culture Techniques ; *Cell Line ; Cloning, Organism ; *Embryo Research ; Embryo, Mammalian/*cytology ; Humans ; Mice ; Politics ; Public Policy ; *Stem Cells ; United States
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  • 52
    Publication Date: 2003-02-01
    Description: mahoganoid is a mouse coat-color mutation whose pigmentary phenotype and genetic interactions resemble those of Attractin (Atrn). Atrn mutations also cause spongiform neurodegeneration. Here, we show that a null mutation for mahoganoid causes a similar age-dependent neuropathology that includes many features of prion diseases but without accumulation of protease-resistant prion protein. The gene mutated in mahoganoid encodes a RING-containing protein with E3 ubiquitin ligase activity in vitro. Similarities in phenotype, expression, and genetic interactions suggest that mahoganoid and Atrn genes are part of a conserved pathway for regulated protein turnover whose function is essential for neuronal viability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉He, Lin -- Lu, Xin-Yun -- Jolly, Aaron F -- Eldridge, Adam G -- Watson, Stanley J -- Jackson, Peter K -- Barsh, Gregory S -- Gunn, Teresa M -- New York, N.Y. -- Science. 2003 Jan 31;299(5607):710-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, Department of Genetics, Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12560552" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Animals ; Blotting, Northern ; Brain/metabolism/*pathology ; Carrier Proteins/chemistry/*genetics/*metabolism ; Crosses, Genetic ; Female ; Gene Expression ; Ligases/metabolism ; Male ; Membrane Proteins/genetics ; Mice ; Mice, Inbred C3H ; Mice, Mutant Strains ; Mice, Transgenic ; Models, Biological ; Molecular Sequence Data ; *Mutation ; Neurodegenerative Diseases/*genetics/metabolism/*pathology ; Neurons/metabolism/pathology ; Pigmentation ; Prions/metabolism ; RNA, Messenger/genetics/metabolism ; Recombinant Fusion Proteins/metabolism ; Transgenes ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases ; Vacuoles/ultrastructure
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 53
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-10-04
    Description: Cell adhesion by adherens junctions and desmosomes relies on interactions between cadherin molecules. However, the molecular interfaces that define molecular specificity and that mediate adhesion remain controversial. We used electron tomography of plastic sections from neonatal mouse skin to visualize the organization of desmosomes in situ. The resulting three-dimensional maps reveal individual cadherin molecules forming discrete groups and interacting through their tips. Fitting of an x-ray crystal structure for C-cadherin to these maps is consistent with a flexible intermolecular interface mediated by an exchange of amino-terminal tryptophans. This flexibility suggests a novel mechanism for generating both cis and trans interactions and for propagating these adhesive interactions along the junction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉He, Wanzhong -- Cowin, Pamela -- Stokes, David L -- R01 GM47429/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 3;302(5642):109-13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Skirball Institute of Biomolecular Medicine, New York University School of Medicine, 540 First Avenue, New York, NY 10016, USA..〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14526082" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Cadherins/*chemistry/*ultrastructure ; Cell Adhesion ; Crystallography, X-Ray ; Cytoskeletal Proteins/chemistry/ultrastructure ; Desmoplakins ; Desmosomes/*chemistry/*ultrastructure ; Dimerization ; Epidermis/chemistry/ultrastructure ; Freeze Substitution ; Hydrophobic and Hydrophilic Interactions ; *Image Processing, Computer-Assisted ; Mice ; Microscopy, Electron/methods ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; *Tomography ; Tryptophan/chemistry ; Xenopus Proteins
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  • 54
    Publication Date: 2003-01-11
    Description: In the mammalian retina, a small subset of retinal ganglion cells (RGCs) are intrinsically photosensitive, express the opsin-like protein melanopsin, and project to brain nuclei involved in non-image-forming visual functions such as pupillary light reflex and circadian photoentrainment. We report that in mice with the melanopsin gene ablated, RGCs retrograde-labeled from the suprachiasmatic nuclei were no longer intrinsically photosensitive, although their number, morphology, and projections were unchanged. These animals showed a pupillary light reflex indistinguishable from that of the wild type at low irradiances, but at high irradiances the reflex was incomplete, a pattern that suggests that the melanopsin-associated system and the classical rod/cone system are complementary in function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lucas, R J -- Hattar, S -- Takao, M -- Berson, D M -- Foster, R G -- Yau, K-W -- R01 EY006837/EY/NEI NIH HHS/ -- R01 EY006837-16A1/EY/NEI NIH HHS/ -- R01 EY014596/EY/NEI NIH HHS/ -- R01 EY014596-01/EY/NEI NIH HHS/ -- R37 EY006837/EY/NEI NIH HHS/ -- R37 EY006837-13/EY/NEI NIH HHS/ -- R37 EY006837-14/EY/NEI NIH HHS/ -- R37 EY006837-15/EY/NEI NIH HHS/ -- R37 EY006837-15S1/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2003 Jan 10;299(5604):245-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative and Molecular Neuroscience, Division of Neuroscience and Psychological Medicine, Faculty of Medicine, Imperial College London, Charing Cross Campus, St. Dunstans Road, London W6 8RF, UK. r.j.lucas@ic.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12522249" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Ocular ; Animals ; Carbachol/pharmacology ; Circadian Rhythm ; Darkness ; *Light ; Light Signal Transduction ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Olivary Nucleus/cytology/physiology ; Phenotype ; Photoreceptor Cells, Vertebrate/physiology ; Pupil/drug effects/*physiology ; *Reflex, Pupillary ; Retinal Degeneration/genetics/physiopathology ; Retinal Ganglion Cells/*physiology ; Rod Opsins/*genetics/*physiology ; Suprachiasmatic Nucleus/physiology
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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-08-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nadeau, Joseph H -- New York, N.Y. -- Science. 2003 Aug 15;301(5635):927-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Case Western Reserve University, Cleveland, OH 44106, USA. jhn4@cwru.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12920288" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carrier Proteins/*genetics/physiology ; Cloning, Molecular ; Codon, Terminator ; Exons ; Gene Expression Regulation ; Humans ; Ion Transport ; Mice ; Mice, Inbred C57BL ; Mice, Neurologic Mutants ; Mutation ; NAV1.6 Voltage-Gated Sodium Channel ; *Nerve Tissue Proteins ; Nervous System Diseases/*genetics/metabolism ; Phenotype ; RNA Precursors/genetics/metabolism ; *RNA Splicing ; RNA, Messenger/genetics/metabolism ; Sodium/metabolism ; Sodium Channels/*genetics/metabolism ; Transcription, Genetic ; Zinc Fingers
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  • 56
    Publication Date: 2003-12-20
    Description: Class switch recombination (CSR) at the antibody immunoglobulin locus is regulated by germline transcription (GLT)-coupled modifications in the accessibility of the switch region, where CSR takes place. Here we show that histone acetylation of switch regions is linked to CSR but that histone acetylation cannot alone promote CSR or GLT. Activation-induced cytidine deaminase (AID) specifically associates with the CSR target chromatin in a GLT-coupled manner, which may occur potentially by means of physical interaction between AID and the transcription machinery. These data indicate an important role of GLT in the regulation of chromatin accessibility, strongly suggesting that the target of AID is chromatin DNA. Our results give insights on the role of AID and the regulatory mechanism of CSR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nambu, Yukiko -- Sugai, Manabu -- Gonda, Hiroyuki -- Lee, Chung-Gi -- Katakai, Tomoya -- Agata, Yasutoshi -- Yokota, Yoshifumi -- Shimizu, Akira -- New York, N.Y. -- Science. 2003 Dec 19;302(5653):2137-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Molecular Biology and Genetics, Kyoto University, 53 Shogoin-Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14684824" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; B-Lymphocytes/*immunology ; Cells, Cultured ; Chromatin/*metabolism ; Cytidine Deaminase/*metabolism ; DNA/metabolism ; Histone Deacetylase Inhibitors ; Histones/metabolism ; Hydroxamic Acids/pharmacology ; *Immunoglobulin Class Switching ; Immunoglobulin E/biosynthesis ; Immunoglobulin G/biosynthesis ; *Immunoglobulin Switch Region ; Interleukin-4/immunology ; Lipopolysaccharides/immunology ; Lymphocyte Activation ; Mice ; Precipitin Tests ; RNA/metabolism ; RNA Polymerase II/metabolism ; Recombination, Genetic ; *Transcription, Genetic ; Transforming Growth Factor beta/immunology ; Transforming Growth Factor beta1
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  • 57
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-01-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Orla -- New York, N.Y. -- Science. 2003 Jan 24;299(5606):530.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12543964" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Platelets/metabolism/*physiology ; Blood Preservation ; *Cold Temperature ; Humans ; Kupffer Cells/physiology ; Macrophage-1 Antigen/*metabolism ; Mice ; Phagocytosis ; Platelet Glycoprotein GPIb-IX Complex/*metabolism ; *Platelet Transfusion ; Refrigeration
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  • 58
    Publication Date: 2003-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wechsler, A -- Brafman, A -- Shafir, M -- Heverin, M -- Gottlieb, H -- Damari, G -- Gozlan-Kelner, S -- Spivak, I -- Moshkin, O -- Fridman, E -- Becker, Y -- Skaliter, R -- Einat, P -- Faerman, A -- Bjorkhem, I -- Feinstein, E -- New York, N.Y. -- Science. 2003 Dec 19;302(5653):2087.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Quark Biotech, Inc., 10265 Carnegie Avenue, Cleveland, OH 44106, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14684813" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue ; Animals ; Bile Acids and Salts/biosynthesis ; Cholesterol/blood/*deficiency/metabolism/*physiology ; Desmosterol/*metabolism ; Female ; Gene Targeting ; Growth ; Humans ; Infertility ; Liver/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Models, Animal ; Nerve Tissue Proteins/*genetics/metabolism ; Oxidoreductases Acting on CH-CH Group Donors/*genetics/metabolism ; Phenotype ; Sex Characteristics ; Testis/pathology
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  • 59
    Publication Date: 2003-11-25
    Description: Individual cellular clocks in the suprachiasmatic nucleus (SCN), the circadian center, are integrated into a stable and robust pacemaker with a period length of about 24 hours. We used real-time analysis of gene expression to show synchronized rhythms of clock gene transcription across hundreds of neurons within the mammalian SCN in organotypic slice culture. Differentially phased neuronal clocks are topographically arranged across the SCN. A protein synthesis inhibitor set all cell clocks to the same initial phase and, after withdrawal, intrinsic interactions among cell clocks reestablished the stable program of gene expression across the assemblage. Na+-dependent action potentials contributed to establishing cellular synchrony and maintaining spontaneous oscillation across the SCN.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yamaguchi, Shun -- Isejima, Hiromi -- Matsuo, Takuya -- Okura, Ryusuke -- Yagita, Kazuhiro -- Kobayashi, Masaki -- Okamura, Hitoshi -- New York, N.Y. -- Science. 2003 Nov 21;302(5649):1408-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Brain Science, Department of Brain Sciences, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14631044" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Action Potentials/drug effects ; Animals ; Basic Helix-Loop-Helix Transcription Factors ; Biological Clocks/*physiology ; CLOCK Proteins ; Cell Cycle Proteins ; Circadian Rhythm/*physiology ; Cycloheximide/pharmacology ; Gene Expression ; Glyceraldehyde-3-Phosphate Dehydrogenases/genetics/metabolism ; Luminescence ; Mice ; Mice, Knockout ; Mice, Transgenic ; Neurons/*physiology ; Nuclear Proteins/genetics/metabolism ; Organ Culture Techniques ; Period Circadian Proteins ; Promoter Regions, Genetic ; Protein Synthesis Inhibitors/pharmacology ; Signal Transduction ; Sodium/metabolism ; Suppression, Genetic ; Suprachiasmatic Nucleus/cytology/*physiology ; Tetrodotoxin/pharmacology ; Trans-Activators/metabolism ; Transcription Factors/metabolism ; Transcription, Genetic
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  • 60
    Publication Date: 2003-10-18
    Description: The Rho guanosine triphosphatases (GTPases) Rac1 and Rac2 are critical signaling regulators in mammalian cells. The deletion of both Rac1 and Rac2 murine alleles leads to a massive egress of hematopoietic stem/progenitor cells (HSC/Ps) into the blood from the marrow, whereas Rac1-/- but not Rac2-/- HSC/Ps fail to engraft in the bone marrow of irradiated recipient mice. In contrast, Rac2, but not Rac1, regulates superoxide production and directed migration in neutrophils, and in each cell type, the two GTPases play distinct roles in actin organization, cell survival, and proliferation. Thus, Rac1 and Rac2 regulate unique aspects of hematopoietic development and function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gu, Yi -- Filippi, Marie-Dominique -- Cancelas, Jose A -- Siefring, Jamie E -- Williams, Emily P -- Jasti, Aparna C -- Harris, Chad E -- Lee, Andrew W -- Prabhakar, Rethinasamy -- Atkinson, Simon J -- Kwiatkowski, David J -- Williams, David A -- DK62757/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 17;302(5644):445-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Experimental Hematology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14564009" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Apoptosis ; Bone Marrow Transplantation ; Cell Adhesion ; Cell Cycle ; Cell Movement ; Cell Size ; Colony-Forming Units Assay ; Cyclin D1/metabolism ; Fibronectins/metabolism ; Hematopoiesis ; Hematopoietic Stem Cell Mobilization ; Hematopoietic Stem Cell Transplantation ; Hematopoietic Stem Cells/*physiology ; Mice ; Mice, Inbred NOD ; Mice, SCID ; Mitogen-Activated Protein Kinases/metabolism ; Neutrophils/*physiology ; *Protein-Serine-Threonine Kinases ; Proto-Oncogene Proteins/metabolism ; Proto-Oncogene Proteins c-akt ; Recombination, Genetic ; Signal Transduction ; Stem Cell Factor/pharmacology ; Superoxides/metabolism ; rac GTP-Binding Proteins/genetics/*metabolism ; rac1 GTP-Binding Protein/genetics/*metabolism
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2003 Apr 4;300(5616):78-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12677054" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Cerebral Cortex/cytology/*physiology ; Dendrites/*physiology/ultrastructure ; Humans ; Lasers ; Learning ; Mice ; Microscopy, Fluorescence, Multiphoton/methods ; *Neuronal Plasticity ; Neurons/physiology ; Synapses/*physiology ; Vibrissae/physiology ; Visual Cortex/cytology/*physiology
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  • 62
    Publication Date: 2003-12-13
    Description: Commissural neurons in the mammalian dorsal spinal cord send axons ventrally toward the floor plate, where they cross the midline and turn anteriorly toward the brain; a gradient of chemoattractant(s) inside the spinal cord controls this turning. In rodents, several Wnt proteins stimulate the extension of commissural axons after midline crossing (postcrossing). We found that Wnt4 messenger RNA is expressed in a decreasing anterior-to-posterior gradient in the floor plate, and that a directed source of Wnt4 protein attracted postcrossing commissural axons. Commissural axons in mice lacking the Wnt receptor Frizzled3 displayed anterior-posterior guidance defects after midline crossing. Thus, Wnt-Frizzled signaling guides commissural axons along the anterior-posterior axis of the spinal cord.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lyuksyutova, Anna I -- Lu, Chin-Chun -- Milanesio, Nancy -- King, Leslie A -- Guo, Nini -- Wang, Yanshu -- Nathans, Jeremy -- Tessier-Lavigne, Marc -- Zou, Yimin -- New York, N.Y. -- Science. 2003 Dec 12;302(5652):1984-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Pharmacology and Physiology, University of Chicago, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14671310" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology/ultrastructure ; Brain/embryology/metabolism ; COS Cells ; Central Nervous System/cytology/*embryology/metabolism ; Cues ; Culture Techniques ; Diffusion ; Frizzled Receptors ; Gene Expression Profiling ; Growth Cones/physiology/ultrastructure ; In Situ Hybridization ; *Membrane Proteins ; Mice ; Mice, Knockout ; Neurons/*physiology ; Proteins/pharmacology ; Proto-Oncogene Proteins/*metabolism ; Rats ; Rats, Sprague-Dawley ; Receptors, G-Protein-Coupled/genetics/*metabolism ; *Signal Transduction ; Spinal Cord/*cytology/embryology/metabolism ; Transfection ; Wnt Proteins ; Wnt4 Protein
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  • 63
    Publication Date: 2003-02-08
    Description: Nitric oxide was found to trigger mitochondrial biogenesis in cells as diverse as brown adipocytes and 3T3-L1, U937, and HeLa cells. This effect of nitric oxide was dependent on guanosine 3',5'-monophosphate (cGMP) and was mediated by the induction of peroxisome proliferator-activated receptor gamma coactivator 1alpha, a master regulator of mitochondrial biogenesis. Moreover, the mitochondrial biogenesis induced by exposure to cold was markedly reduced in brown adipose tissue of endothelial nitric oxide synthase null-mutant (eNOS-/-) mice, which had a reduced metabolic rate and accelerated weight gain as compared to wild-type mice. Thus, a nitric oxide-cGMP-dependent pathway controls mitochondrial biogenesis and body energy balance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nisoli, Enzo -- Clementi, Emilio -- Paolucci, Clara -- Cozzi, Valeria -- Tonello, Cristina -- Sciorati, Clara -- Bracale, Renata -- Valerio, Alessandra -- Francolini, Maura -- Moncada, Salvador -- Carruba, Michele O -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):896-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Preclinical Sciences, Center for Study and Research on Obesity, Luigi Sacco Hospital, University of Milan, Milan 20157, Italy. enzo.nisoli@unimi.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574632" target="_blank"〉PubMed〈/a〉
    Keywords: 3T3 Cells ; 8-Bromo Cyclic Adenosine Monophosphate/pharmacology ; Adipocytes/*metabolism/ultrastructure ; Adipose Tissue, Brown/cytology/metabolism/ultrastructure ; Animals ; Cold Temperature ; Cyclic GMP/metabolism ; DNA, Mitochondrial/metabolism ; DNA-Binding Proteins/metabolism ; Eating ; Energy Metabolism ; Female ; HeLa Cells ; High Mobility Group Proteins ; Humans ; Male ; Mice ; Mice, Knockout ; Mitochondria/*metabolism/ultrastructure ; *Mitochondrial Proteins ; Motor Activity ; NF-E2-Related Factor 1 ; Nitric Oxide/*physiology ; Nitric Oxide Synthase/genetics/*metabolism ; Nitric Oxide Synthase Type II ; Nitric Oxide Synthase Type III ; Nuclear Proteins/metabolism ; Nuclear Respiratory Factors ; Oligonucleotides, Antisense/pharmacology ; Oxadiazoles/pharmacology ; Oxygen Consumption ; Penicillamine/*analogs & derivatives/pharmacology ; Quinoxalines/pharmacology ; RNA, Messenger/genetics/metabolism ; Rats ; Signal Transduction ; Trans-Activators/metabolism ; Transcription Factors/metabolism ; U937 Cells ; Weight Gain
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  • 64
    Publication Date: 2003-09-13
    Description: Cooling of blood platelets clusters the von Willebrand factor receptor complex. Macrophage alphaMbeta2 integrins bind to the GPIbalpha subunit of the clustered complex, resulting in rapid clearance of transfused, cooled platelets. This precludes refrigeration of platelets for transfusion, but the current practice of room temperature storage has major drawbacks. We document that alphaMbeta2 is a lectin that recognizes exposed beta-N-acetylglucosamine residues of N-linked glycans on GPIbalpha. Enzymatic galactosylation of chilled platelets blocks alphaMbeta2 recognition, prolonging the circulation of functional cooled platelets. Platelet-associated galactosyltransferase produces efficient galactosylation when uridine diphosphate-galactose is added, affording a potentially simple method for storing platelets in the cold.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffmeister, Karin M -- Josefsson, Emma C -- Isaac, Natasha A -- Clausen, Henrik -- Hartwig, John H -- Stossel, Thomas P -- HL19429/HL/NHLBI NIH HHS/ -- HL56949/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2003 Sep 12;301(5639):1531-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. khoffmeister@rics.bwh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12970565" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylglucosamine/metabolism/pharmacology ; Animals ; Blood Platelets/metabolism/*physiology ; Blood Preservation ; Carbohydrate Conformation ; Cell Line ; Cell Survival ; *Cold Temperature ; Female ; Galactose/*metabolism ; Galactosyltransferases/metabolism ; Glycosylation ; Humans ; Lectins/metabolism ; Ligands ; Macrophage-1 Antigen/metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Monosaccharides/pharmacology ; Phagocytosis/drug effects ; Platelet Aggregation ; Platelet Glycoprotein GPIb-IX Complex/metabolism ; *Platelet Membrane Glycoproteins ; Platelet Transfusion ; Refrigeration ; Uridine Diphosphate Galactose/metabolism ; von Willebrand Factor/metabolism
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2003 Apr 4;300(5616):35.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12677033" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Differentiation ; *Cell Fusion ; Chromosome Aberrations ; Female ; Hematopoietic Stem Cell Transplantation ; Hematopoietic Stem Cells/*physiology ; Hepatocytes/*physiology ; Humans ; Liver Regeneration ; Male ; Mice ; Neoplasms/etiology ; Stem Cells/*physiology
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  • 66
    Publication Date: 2003-02-01
    Description: One function of heterochromatin is the epigenetic silencing by sequestration of genes into transcriptionally repressed nuclear neighborhoods. Heterochromatin protein 1 (HP1) is a major component of heterochromatin and thus is a candidate for establishing and maintaining the transcriptionally repressive heterochromatin structure. Here we demonstrate that maintenance of stable heterochromatin domains in living cells involves the transient binding and dynamic exchange of HP1 from chromatin. HP1 exchange kinetics correlate with the condensation level of chromatin and are dependent on the histone methyltransferase Suv39h. The chromodomain and the chromoshadow domain of HP1 are both required for binding to native chromatin in vivo, but they contribute differentially to binding in euchromatin and heterochromatin. These data argue against HP1 repression of transcription by formation of static, higher order oligomeric networks but support a dynamic competition model, and they demonstrate that heterochromatin is accessible to regulatory factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheutin, Thierry -- McNairn, Adrian J -- Jenuwein, Thomas -- Gilbert, David M -- Singh, Prim B -- Misteli, Tom -- New York, N.Y. -- Science. 2003 Jan 31;299(5607):721-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12560555" target="_blank"〉PubMed〈/a〉
    Keywords: Amanitins/pharmacology ; Animals ; Binding Sites ; CHO Cells ; Cell Nucleus/metabolism ; Cells, Cultured ; Chromosomal Proteins, Non-Histone/*chemistry/genetics/*metabolism ; Cricetinae ; Dimerization ; Euchromatin/metabolism ; Fluorescence Recovery After Photobleaching ; HeLa Cells ; Heterochromatin/*chemistry/*metabolism ; Histones/metabolism ; Humans ; Hydroxamic Acids/pharmacology ; Kinetics ; Methyltransferases/metabolism ; Mice ; Mice, Knockout ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/metabolism ; Transfection
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  • 67
    Publication Date: 2003-05-24
    Description: Loss of CD2-associated protein (CD2AP), a component of the filtration complex in the kidney, causes death in mice at 6 weeks of age. Mice with CD2AP haploinsufficiency developed glomerular changes at 9 months of age and had increased susceptibility to glomerular injury by nephrotoxic antibodies or immune complexes. Electron microscopic analysis of podocytes revealed defects in the formation of multivesicular bodies, suggesting an impairment of the intracellular degradation pathway. Two human patients with focal segmental glomerulosclerosis had a mutation predicted to ablate expression of one CD2AP allele, implicating CD2AP as a determinant of human susceptibility to glomerular disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Jeong M -- Wu, Hui -- Green, Gopa -- Winkler, Cheryl A -- Kopp, Jeffrey B -- Miner, Jeffrey H -- Unanue, Emil R -- Shaw, Andrey S -- New York, N.Y. -- Science. 2003 May 23;300(5623):1298-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology and Immunology, 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/12764198" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Antigen-Antibody Complex ; Basement Membrane/immunology/metabolism/pathology ; Chromatography, High Pressure Liquid ; Cytoskeletal Proteins ; Endocytosis ; Epithelial Cells/pathology/physiology ; Exons ; Ferritins/metabolism ; *Genetic Predisposition to Disease ; Genetic Variation ; Glomerular Mesangium/immunology/pathology ; Glomerulosclerosis, Focal Segmental/*genetics/metabolism/pathology ; Heterozygote ; Humans ; Immunoglobulins/analysis ; Kidney Diseases/*genetics/metabolism/pathology ; *Kidney Glomerulus/immunology/metabolism/pathology ; Mice ; Mice, Knockout ; Mutation ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Proteins/*genetics/*physiology ; Proteinuria/etiology ; RNA Splicing
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  • 68
    Publication Date: 2003-07-05
    Description: Escherichia coli entry into the bladder is met with potent innate defenses, including neutrophil influx and epithelial exfoliation. Bacterial subversion of innate responses involves invasion into bladder superficial cells. We discovered that the intracellular bacteria matured into biofilms, creating pod-like bulges on the bladder surface. Pods contained bacteria encased in a polysaccharide-rich matrix surrounded by a protective shell of uroplakin. Within the biofilm, bacterial structures interacted extensively with the surrounding matrix, and biofilm associated factors had regional variation in expression. The discovery of intracellular biofilm-like pods explains how bladder infections can persist in the face of robust host defenses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Gregory G -- Palermo, Joseph J -- Schilling, Joel D -- Roth, Robyn -- Heuser, John -- Hultgren, Scott J -- AI29549/AI/NIAID NIH HHS/ -- AI48689/AI/NIAID NIH HHS/ -- DK51406/DK/NIDDK NIH HHS/ -- DK64540/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2003 Jul 4;301(5629):105-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Microbiology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843396" target="_blank"〉PubMed〈/a〉
    Keywords: *Adhesins, Bacterial ; Adhesins, Escherichia coli ; Animals ; *Antigens, Bacterial ; Bacterial Outer Membrane Proteins/analysis ; *Biofilms ; Colony Count, Microbial ; Epithelial Cells/microbiology/ultrastructure ; Escherichia coli/growth & development/immunology/*pathogenicity/ultrastructure ; Escherichia coli Infections/immunology/*microbiology/pathology ; *Escherichia coli Proteins ; Female ; Fimbriae, Bacterial/physiology/ultrastructure ; Freeze Fracturing ; Immunity, Innate ; Membrane Glycoproteins/analysis ; Mice ; Mice, Inbred C3H ; Microscopy, Electron ; Microscopy, Electron, Scanning ; Polysaccharides, Bacterial/analysis ; Urinary Bladder/immunology/*microbiology/ultrastructure ; Urinary Bladder Diseases/immunology/*microbiology/pathology ; Urinary Tract Infections/immunology/*microbiology/pathology ; Urothelium/microbiology/ultrastructure
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  • 69
    Publication Date: 2003-09-06
    Description: To comprehensively identify integral membrane proteins of the nuclear envelope (NE), we prepared separately NEs and organelles known to cofractionate with them from liver. Proteins detected by multidimensional protein identification technology in the cofractionating organelles were subtracted from the NE data set. In addition to all 13 known NE integral proteins, 67 uncharacterized open reading frames with predicted membrane-spanning regions were identified. All of the eight proteins tested targeted to the NE, indicating that there are substantially more integral proteins of the NE than previously thought. Furthermore, 23 of these mapped within chromosome regions linked to a variety of dystrophies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schirmer, Eric C -- Florens, Laurence -- Guan, Tinglu -- Yates, John R 3rd -- Gerace, Larry -- F32 GM19085/GM/NIGMS NIH HHS/ -- GM28521/GM/NIGMS NIH HHS/ -- RR11823/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2003 Sep 5;301(5638):1380-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12958361" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Cell Fractionation ; Chromosome Mapping ; DNA, Complementary ; Genetic Diseases, Inborn/*genetics ; Genetic Linkage ; Humans ; Liver/chemistry/ultrastructure ; Membrane Proteins/*analysis/genetics/isolation & purification ; Mice ; Mice, Inbred Strains ; Nuclear Envelope/*chemistry ; Nuclear Proteins/*analysis/genetics/isolation & purification ; Open Reading Frames ; Protein Structure, Tertiary ; *Proteomics ; Rats ; Rats, Sprague-Dawley
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  • 70
    Publication Date: 2003-03-01
    Description: Molecular etiologies of heart failure, an emerging cardiovascular epidemic affecting 4.7 million Americans and costing 17.8 billion health-care dollars annually, remain poorly understood. Here we report that an inherited human dilated cardiomyopathy with refractory congestive heart failure is caused by a dominant Arg --〉 Cys missense mutation at residue 9 (R9C) in phospholamban (PLN), a transmembrane phosphoprotein that inhibits the cardiac sarcoplasmic reticular Ca2+-adenosine triphosphatase (SERCA2a) pump. Transgenic PLN(R9C) mice recapitulated human heart failure with premature death. Cellular and biochemical studies revealed that, unlike wild-type PLN, PLN(R9C) did not directly inhibit SERCA2a. Rather, PLN(R9C) trapped protein kinase A (PKA), which blocked PKA-mediated phosphorylation of wild-type PLN and in turn delayed decay of calcium transients in myocytes. These results indicate that myocellular calcium dysregulation can initiate human heart failure-a finding that may lead to therapeutic opportunities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schmitt, Joachim P -- Kamisago, Mitsuhiro -- Asahi, Michio -- Li, Guo Hua -- Ahmad, Ferhaan -- Mende, Ulrike -- Kranias, Evangelia G -- MacLennan, David H -- Seidman, J G -- Seidman, Christine E -- New York, N.Y. -- Science. 2003 Feb 28;299(5611):1410-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School and Howard Hughes Medical Institute, 200 Longwood Avenue, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12610310" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Calcium/metabolism ; Calcium Signaling ; Calcium-Binding Proteins/chemistry/*genetics/*physiology ; Calcium-Transporting ATPases/antagonists & inhibitors/metabolism ; Cardiomegaly ; Cardiomyopathy, Dilated/*genetics/pathology/physiopathology ; Cell Line ; Cyclic AMP-Dependent Protein Kinases/metabolism ; Female ; Heart Failure/*genetics/pathology/physiopathology ; Heart Ventricles/metabolism/pathology ; Humans ; Lod Score ; Male ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Muscle Cells/metabolism/physiology ; *Mutation, Missense ; Myocardial Contraction ; Myocardium/pathology ; Pedigree ; Phosphorylation ; Sarcoplasmic Reticulum Calcium-Transporting ATPases
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  • 71
    Publication Date: 2003-10-18
    Description: Listeria monocytogenes is a Gram-positive intracytosolic pathogen that causes severe disease in pregnant and immunocompromised individuals. We found that L. monocytogenes lacking the lipoate protein ligase LplA1 was defective for growth specifically in the host cytosol and was less virulent in animals by a factor of 300. A major target for LplA1, the E2 subunit of pyruvate dehydrogenase (PDH), lacked a critical lipoyl modification when the DeltalplA1 strain was grown intracellularly, which suggests that abortive growth was due to loss of PDH function. Thus, the use of host-derived lipoic acid may be a critical process for in vivo replication of bacterial pathogens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Riordan, Mary -- Moors, Marlena A -- Portnoy, Daniel A -- AI29619/AI/NIAID NIH HHS/ -- R01 AI027655/AI/NIAID NIH HHS/ -- R01 AI27655/AI/NIAID NIH HHS/ -- R37 AI029619/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 17;302(5644):462-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, School of Public Health, University of California, Berkeley, CA 94720-3202, USA. oriordan@umich.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14564012" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Culture Media ; Cytosol/microbiology ; Dihydrolipoyllysine-Residue Acetyltransferase ; Gene Deletion ; Lethal Dose 50 ; Listeria monocytogenes/genetics/*growth & development/metabolism/*pathogenicity ; Listeriosis/microbiology ; Macrophages/metabolism/*microbiology ; Mice ; Mice, Inbred BALB C ; Mutation ; Open Reading Frames ; Peptide Synthases/genetics/metabolism ; Pyruvate Dehydrogenase Complex/metabolism ; Thioctic Acid/*metabolism ; Virulence
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  • 72
    Publication Date: 2003-06-14
    Description: Cerebellar long-term depression (LTD) is a model of synaptic memory that requires protein kinase C (PKC) activation and is expressed as a reduction in the number of postsynaptic alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) receptors. LTD was absent in cultured cerebellar Purkinje cells from mutant mice lacking the AMPA receptor GluR2 subunit and could be rescued by transient transfection with the wild-type GluR2 subunit. Transfection with a point mutant that eliminated PKC phosphorylation of Ser880 in the carboxy-terminal PDZ ligand of GluR2 failed to restore LTD. In contrast, transfection with a point mutant that mimicked phosphorylation at Ser880 occluded subsequent LTD. Thus, PKC phosphorylation of GluR2 Ser880 is a critical event in the induction of cerebellar LTD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chung, Hee Jung -- Steinberg, Jordan P -- Huganir, Richard L -- Linden, David J -- MH01590/MH/NIMH NIH HHS/ -- MH51106/MH/NIMH NIH HHS/ -- NS36715/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Jun 13;300(5626):1751-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205 USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12805550" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Carrier Proteins/metabolism ; Cells, Cultured ; Cerebellar Cortex/cytology/*physiology ; Enzyme Activation ; Excitatory Postsynaptic Potentials ; *Long-Term Synaptic Depression ; Mice ; Mice, Knockout ; Nerve Tissue Proteins/metabolism ; Nuclear Proteins/metabolism ; Nuclear Receptor Coactivator 2 ; Patch-Clamp Techniques ; Phorbol Esters/pharmacology ; Phosphorylation ; Phosphoserine/metabolism ; Point Mutation ; Protein Binding ; Protein Kinase C/metabolism ; Purkinje Cells/*physiology ; Receptors, AMPA/genetics/*metabolism ; Transcription Factors/metabolism ; Transfection
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  • 73
    Publication Date: 2003-05-06
    Description: Continuation of mammalian species requires the formation and development of the sexually dimorphic germ cells. Cultured embryonic stem cells are generally considered pluripotent rather than totipotent because of the failure to detect germline cells under differentiating conditions. Here we show that mouse embryonic stem cells in culture can develop into oogonia that enter meiosis, recruit adjacent cells to form follicle-like structures, and later develop into blastocysts. Oogenesis in culture should contribute to various areas, including nuclear transfer and manipulation of the germ line, and advance studies on fertility treatment and germ and somatic cell interaction and differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hubner, Karin -- Fuhrmann, Guy -- Christenson, Lane K -- Kehler, James -- Reinbold, Rolland -- De La Fuente, Rabindranath -- Wood, Jennifer -- Strauss, Jerome F 3rd -- Boiani, Michele -- Scholer, Hans R -- 1RO1HD42011-01/HD/NICHD NIH HHS/ -- HD06274/HD/NICHD NIH HHS/ -- T32 HD07305/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2003 May 23;300(5623):1251-6. Epub 2003 May 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Germline Development Group, Center for Animal Transgenesis and Germ Cell Research, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, 382 West Street Road, Kennett Square, PA 19348, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730498" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers/analysis ; Blastocyst/cytology/*physiology ; Cell Adhesion ; Cell Aggregation ; *Cell Differentiation ; Cell Lineage ; Cell Separation ; Cells, Cultured ; DNA-Binding Proteins/genetics ; Embryo, Mammalian/*cytology ; Estradiol/metabolism ; Female ; Gene Expression ; Genes, Reporter ; Meiosis ; Mice ; Mice, Transgenic ; Octamer Transcription Factor-3 ; Oocytes/cytology/*physiology ; *Oogenesis ; Ovarian Follicle/cytology/physiology ; Recombinant Fusion Proteins ; Totipotent Stem Cells/*physiology ; *Transcription Factors ; Transfection
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  • 74
    Publication Date: 2003-03-08
    Description: BAX and BAK are "multidomain" proapoptotic proteins that initiate mitochondrial dysfunction but also localize to the endoplasmic reticulum (ER). Mouse embryonic fibroblasts deficient for BAX and BAK (DKO cells) were found to have a reduced resting concentration of calcium in the ER ([Ca2+]er) that results in decreased uptake of Ca2+ by mitochondria after Ca2+ release from the ER. Expression of SERCA (sarcoplasmic-endoplasmic reticulum Ca2+ adenosine triphosphatase) corrected [Ca2+]er and mitochondrial Ca2+ uptake in DKO cells, restoring apoptotic death in response to agents that release Ca2+ from intracellular stores (such as arachidonic acid, C2-ceramide, and oxidative stress). In contrast, targeting of BAX to mitochondria selectively restored apoptosis to "BH3-only" signals. A third set of stimuli, including many intrinsic signals, required both ER-released Ca2+ and the presence of mitochondrial BAX or BAK to fully restore apoptosis. Thus, BAX and BAK operate in both the ER and mitochondria as an essential gateway for selected apoptotic signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scorrano, Luca -- Oakes, Scott A -- Opferman, Joseph T -- Cheng, Emily H -- Sorcinelli, Mia D -- Pozzan, Tullio -- Korsmeyer, Stanley J -- R37CA50239/CA/NCI NIH HHS/ -- T32HL07627/HL/NHLBI NIH HHS/ -- TCP02016/Telethon/Italy -- New York, N.Y. -- Science. 2003 Apr 4;300(5616):135-9. Epub 2003 Mar 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Department of Pathology and Medicine, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12624178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Arachidonic Acid/pharmacology ; Calcium/*metabolism ; Calcium Signaling ; Calcium-Transporting ATPases/metabolism ; Cell Fractionation ; Cell Line, Transformed ; Cells, Cultured ; Endoplasmic Reticulum/*metabolism ; Histamine/pharmacology ; Hydrogen Peroxide/pharmacology ; Ionomycin/pharmacology ; Membrane Proteins/*metabolism ; Mice ; Mice, Knockout ; Microscopy, Confocal ; Microscopy, Immunoelectron ; Mitochondria/metabolism ; Proto-Oncogene Proteins/*metabolism ; *Proto-Oncogene Proteins c-bcl-2 ; Recombinant Fusion Proteins/metabolism ; Sarcoplasmic Reticulum Calcium-Transporting ATPases ; Sphingosine/*analogs & derivatives/pharmacology ; bcl-2 Homologous Antagonist-Killer Protein ; bcl-2-Associated X Protein
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  • 75
    Publication Date: 2003-05-31
    Description: In the genetic code, UGA serves as a stop signal and a selenocysteine codon, but no computational methods for identifying its coding function are available. Consequently, most selenoprotein genes are misannotated. We identified selenoprotein genes in sequenced mammalian genomes by methods that rely on identification of selenocysteine insertion RNA structures, the coding potential of UGA codons, and the presence of cysteine-containing homologs. The human selenoproteome consists of 25 selenoproteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kryukov, Gregory V -- Castellano, Sergi -- Novoselov, Sergey V -- Lobanov, Alexey V -- Zehtab, Omid -- Guigo, Roderic -- Gladyshev, Vadim N -- GM61603/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 May 30;300(5624):1439-43.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Nebraska, Lincoln, NE 68588-0664, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775843" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Codon ; Codon, Terminator ; Computational Biology ; DNA Transposable Elements ; Gene Expression Profiling ; Genome, Human ; Humans ; Mice ; Molecular Sequence Data ; Open Reading Frames ; Proteins/*chemistry/*genetics ; *Proteome ; Rats ; *Selenium ; Selenocysteine/chemistry/*genetics ; Selenoproteins ; Sequence Alignment ; Sequence Analysis, DNA ; Sequence Homology, Amino Acid ; Software
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  • 76
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferber, Dan -- New York, N.Y. -- Science. 2003 Jul 4;301(5629):31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843366" target="_blank"〉PubMed〈/a〉
    Keywords: *Adhesins, Bacterial ; Adhesins, Escherichia coli ; Animals ; *Antigens, Bacterial ; Bacterial Outer Membrane Proteins/biosynthesis ; *Biofilms ; Epithelial Cells/microbiology/ultrastructure ; Escherichia coli/growth & development/immunology/*pathogenicity/ultrastructure ; Escherichia coli Infections/immunology/*microbiology/pathology ; *Escherichia coli Proteins ; Female ; Fimbriae, Bacterial/ultrastructure ; Humans ; Mice ; Urinary Bladder/cytology/immunology/*microbiology/ultrastructure ; Urinary Bladder Diseases/immunology/*microbiology/pathology ; Urinary Tract Infections/immunology/*microbiology/pathology ; Urothelium/microbiology/ultrastructure
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  • 77
    Publication Date: 2003-03-22
    Description: Local circuits in the spinal cord that generate locomotion are termed central pattern generators (CPGs). These provide coordinated bilateral control over the normal limb alternation that underlies walking. The molecules that organize the mammalian CPG are unknown. Isolated spinal cords from mice lacking either the EphA4 receptor or its ligand ephrinB3 have lost left-right limb alternation and instead exhibit synchrony. We identified EphA4-positive neurons as an excitatory component of the locomotor CPG. Our study shows that dramatic locomotor changes can occur as a consequence of local genetic rewiring and identifies genes required for the development of normal locomotor behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kullander, Klas -- Butt, Simon J B -- Lebret, James M -- Lundfald, Line -- Restrepo, Carlos E -- Rydstrom, Anna -- Klein, Rudiger -- Kiehn, Ole -- New York, N.Y. -- Science. 2003 Mar 21;299(5614):1889-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Biochemistry, Gothenburg University, Medicinaregatan 9 A, 405 30 Gothenburg, Sweden. klas.kullander@medkem.gu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12649481" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/physiology ; Bicuculline/pharmacology ; Carrier Proteins/genetics/metabolism ; Electrophysiology ; Ephrin-B3/genetics/*physiology ; Gait ; In Vitro Techniques ; Interneurons/physiology ; *Membrane Transport Proteins ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Motor Activity ; Neurons/*physiology ; Nipecotic Acids/pharmacology ; Receptor, EphA4/genetics/*physiology ; Sarcosine/pharmacology ; Signal Transduction ; Spinal Cord/*physiology ; Spinal Nerve Roots/physiology ; Strychnine/pharmacology ; Vesicular Glutamate Transport Protein 1 ; Vesicular Glutamate Transport Protein 2 ; *Vesicular Transport Proteins ; *Walking
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  • 78
    Publication Date: 2003-08-30
    Description: In Drosophila, maternally supplied Nanos functions in the migration of primordial germ cells (PGCs) into the gonad; in mice, zygotic genes are involved instead. We report the cloning and the functional analyses of nanos2 and nanos3 in mice. These genes are differentially expressed in mouse PGCs. nanos2 is predominantly expressed in male germ cells, and the elimination of this gene results in a complete loss of spermatogonia. However, nanos3 is found in migrating PGCs, and the elimination of this factor results in the complete loss of germ cells in both sexes. Hence, although mice and flies differ in their mechanisms for germ cell specification, there seems to be conserved function for nanos proteins among invertebrates and vertebrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsuda, Masayuki -- Sasaoka, Yumiko -- Kiso, Makoto -- Abe, Kuniya -- Haraguchi, Seiki -- Kobayashi, Satoru -- Saga, Yumiko -- New York, N.Y. -- Science. 2003 Aug 29;301(5637):1239-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Mammalian Development, National Institute of Genetics, SOKENDAI, Yata 1111, Mishima, Shizuoka 411-8540, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12947200" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apoptosis ; Carrier Proteins/chemistry/genetics/*physiology ; Cell Count ; Cell Division ; Cell Movement ; Cloning, Molecular ; Female ; Gene Expression Profiling ; Gene Targeting ; Germ Cells/*growth & development/*metabolism ; Gonads/embryology/growth & development/*metabolism ; In Situ Nick-End Labeling ; Male ; Mice ; Mice, Knockout ; Molecular Sequence Data ; Organ Size ; Ovary/anatomy & histology/metabolism ; Ovum/physiology ; Phenotype ; *RNA-Binding Proteins ; Spermatogenesis ; Spermatozoa/physiology ; Testis/anatomy & histology/embryology/growth & development/metabolism
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  • 79
    Publication Date: 2003-01-18
    Description: Toll-like receptors (TLRs) control activation of adaptive immune responses by antigen-presenting cells (APCs). However, initiation of adaptive immune responses is also controlled by regulatory T cells (TR cells), which act to prevent activation of autoreactive T cells. Here we describe a second mechanism of immune induction by TLRs, which is independent of effects on costimulation. Microbial induction of the Toll pathway blocked the suppressive effect of CD4+CD25+ TR cells, allowing activation of pathogen-specific adaptive immune responses. This block of suppressor activity was dependent in part on interleukin-6, which was induced by TLRs upon recognition of microbial products.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pasare, Chandrashekhar -- Medzhitov, Ruslan -- New York, N.Y. -- Science. 2003 Feb 14;299(5609):1033-6. Epub 2003 Jan 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Section of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12532024" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Antigens, CD/immunology/metabolism ; Antigens, Differentiation/metabolism ; Cells, Cultured ; Culture Media, Conditioned ; Dendritic Cells/*immunology/metabolism ; Dinucleoside Phosphates/immunology ; *Drosophila Proteins ; *Immune Tolerance ; Immunization ; Interleukin-6/*physiology/secretion ; Lipopolysaccharides/immunology ; Lymphocyte Activation ; Membrane Glycoproteins/*physiology ; Mice ; Mice, Inbred C57BL ; Myeloid Differentiation Factor 88 ; Ovalbumin/immunology ; Receptors, Cell Surface/*physiology ; Receptors, Immunologic/metabolism ; Self Tolerance ; T-Lymphocytes/immunology ; T-Lymphocytes, Regulatory/*immunology ; Toll-Like Receptors
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  • 80
    Publication Date: 2003-11-15
    Description: Nova proteins are neuron-specific antigens targeted in paraneoplastic opsoclonus myoclonus ataxia (POMA), an autoimmune neurologic disease characterized by abnormal motor inhibition. Nova proteins regulate neuronal pre-messenger RNA splicing by directly binding to RNA. To identify Nova RNA targets, we developed a method to purify protein-RNA complexes from mouse brain with the use of ultraviolet cross-linking and immunoprecipitation (CLIP).Thirty-four transcripts were identified multiple times by Nova CLIP.Three-quarters of these encode proteins that function at the neuronal synapse, and one-third are involved in neuronal inhibition.Splicing targets confirmed in Nova-/- mice include c-Jun N-terminal kinase 2, neogenin, and gephyrin; the latter encodes a protein that clusters inhibitory gamma-aminobutyric acid and glycine receptors, two previously identified Nova splicing targets.Thus, CLIP reveals that Nova coordinately regulates a biologically coherent set of RNAs encoding multiple components of the inhibitory synapse, an observation that may relate to the cause of abnormal motor inhibition in POMA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ule, Jernej -- Jensen, Kirk B -- Ruggiu, Matteo -- Mele, Aldo -- Ule, Aljaz -- Darnell, Robert B -- K01 MH64753/MH/NIMH NIH HHS/ -- NS40955/NS/NINDS NIH HHS/ -- R01 NS34389/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Nov 14;302(5648):1212-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Rockefeller University, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615540" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions ; Alternative Splicing ; Animals ; *Antigens, Neoplasm ; Brain/*metabolism ; Carrier Proteins/genetics/metabolism ; Exons ; Introns ; Membrane Proteins/genetics/metabolism ; Mice ; Mitogen-Activated Protein Kinase 9 ; Mitogen-Activated Protein Kinases/genetics/metabolism ; Nerve Tissue Proteins/*metabolism ; Neural Inhibition ; Neurons/*metabolism ; Precipitin Tests ; RNA Precursors/genetics/*metabolism ; RNA, Messenger/genetics/*metabolism ; RNA-Binding Proteins/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Ultraviolet Rays
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  • 81
    Publication Date: 2003-11-08
    Description: Activated CD8+ T cells play a critical role in host defense against viruses, intracellular microbes, and tumors. It is not clear if a key regulatory transcription factor unites the effector functions of CD8+ T cells. We now show that Eomesodermin (Eomes), a paralogue of T-bet, is induced in effector CD8+ T cells in vitro and in vivo. Ectopic expression of Eomes was sufficient to invoke attributes of effector CD8+ T cells, including interferon-gamma (IFN-gamma), perforin, and granzyme B. Loss-of-function analysis suggests Eomes may also be necessary for full effector differentiation of CD8+ T cells. We suggest that Eomesodermin is likely to complement the actions of T-bet and act as a key regulatory gene in the development of cell-mediated immunity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pearce, Erika L -- Mullen, Alan C -- Martins, Gislaine A -- Krawczyk, Connie M -- Hutchins, Anne S -- Zediak, Valerie P -- Banica, Monica -- DiCioccio, Catherine B -- Gross, Darrick A -- Mao, Chai-An -- Shen, Hao -- Cereb, Nezih -- Yang, Soo Y -- Lindsten, Tullia -- Rossant, Janet -- Hunter, Christopher A -- Reiner, Steven L -- AI-042370/AI/NIAID NIH HHS/ -- GM-07229/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 Nov 7;302(5647):1041-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Abramson Family Cancer Research Institute, and Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14605368" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Arenaviridae Infections/immunology ; Base Sequence ; CD8-Positive T-Lymphocytes/*immunology/physiology ; Cell Differentiation ; Cytotoxicity, Immunologic ; Gene Expression Regulation ; Granzymes ; Interferon-gamma/biosynthesis ; Lymphocyte Activation ; Lymphocytic choriomeningitis virus/immunology ; Membrane Glycoproteins/biosynthesis/genetics ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Molecular Sequence Data ; Perforin ; Pore Forming Cytotoxic Proteins ; RNA, Messenger/genetics/metabolism ; Serine Endopeptidases/biosynthesis/genetics ; T-Box Domain Proteins/chemistry/genetics/*physiology ; Th2 Cells/immunology/physiology ; Transcription Factors/chemistry/genetics/physiology
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  • 82
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-01-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, Marcia -- New York, N.Y. -- Science. 2003 Jan 3;299(5603):32-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12511626" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/cytology/*physiology ; Cell Differentiation ; Cell Division ; Cell Survival ; Dentate Gyrus/cytology/*physiology ; Female ; Humans ; *Learning ; Male ; Memory ; Mice ; Neurons/*physiology ; Odors ; Olfactory Bulb/cytology/physiology ; Pregnancy ; Prolactin/*physiology ; Rats ; Receptors, Prolactin/genetics/physiology ; Seasons ; Smell ; Songbirds/physiology ; Stem Cells/physiology ; Vocalization, Animal
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  • 83
    Publication Date: 2003-01-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Gelder, Russell N -- Wee, Raymond -- Lee, Janet A -- Tu, Daniel C -- K08EY00403/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2003 Jan 10;299(5604):222.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, MO 63131, USA. vangelder@vision.wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12522242" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cryptochromes ; *Drosophila Proteins ; *Eye Proteins ; Flavoproteins/*genetics/*physiology ; *Light ; Mice ; Miotics/pharmacology ; Mutation ; *Photoreceptor Cells, Invertebrate ; Pilocarpine/pharmacology ; Pupil/drug effects/*physiology ; Receptors, G-Protein-Coupled ; *Reflex, Pupillary ; Retina/physiology ; Retinal Degeneration/genetics/physiopathology
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  • 84
    Publication Date: 2003-08-16
    Description: Genes associated with Hirschsprung disease, a failure to form enteric ganglia in the hindgut, were highly up-regulated in gut neural crest stem cells relative to whole-fetus RNA. One of these genes, the glial cell line-derived neurotrophic factor (GDNF) receptor Ret, was necessary for neural crest stem cell migration in the gut. GDNF promoted the migration of neural crest stem cells in culture but did not affect their survival or proliferation. Gene expression profiling, combined with reverse genetics and analyses of stem cell function, suggests that Hirschsprung disease is caused by defects in neural crest stem cell function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2614078/" 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/PMC2614078/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iwashita, Toshihide -- Kruger, Genevieve M -- Pardal, Ricardo -- Kiel, Mark J -- Morrison, Sean J -- CA46592/CA/NCI NIH HHS/ -- DK58771/DK/NIDDK NIH HHS/ -- NIH5P60-DK20572/DK/NIDDK NIH HHS/ -- P30 AR48310/AR/NIAMS NIH HHS/ -- P60-AR20557/AR/NIAMS NIH HHS/ -- R01 NS040750/NS/NINDS NIH HHS/ -- R01 NS040750-01/NS/NINDS NIH HHS/ -- R01 NS40750-01/NS/NINDS NIH HHS/ -- R21 HD40760-02/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 15;301(5635):972-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48109-0934, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12920301" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Division ; Cell Movement ; Cell Separation ; Cell Survival ; Cells, Cultured ; Digestive System/cytology/*embryology/innervation/metabolism ; Fetus/metabolism ; Gene Expression Profiling ; *Gene Expression Regulation, Developmental ; Glial Cell Line-Derived Neurotrophic Factor ; Glial Cell Line-Derived Neurotrophic Factor Receptors ; Hirschsprung Disease/*etiology/genetics ; Mice ; Multipotent Stem Cells/*physiology ; Nerve Growth Factors/genetics/metabolism/pharmacology ; Neural Crest/*cytology/physiology ; Oligonucleotide Array Sequence Analysis ; Proto-Oncogene Proteins/*genetics/metabolism ; Proto-Oncogene Proteins c-ret ; Rats ; Rats, Sprague-Dawley ; Receptor Protein-Tyrosine Kinases/*genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Signal Transduction ; Up-Regulation
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, Jean -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):846-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574615" target="_blank"〉PubMed〈/a〉
    Keywords: Agouti-Related Protein ; Animals ; Anti-Obesity Agents ; *Appetite ; Arcuate Nucleus of Hypothalamus/*metabolism ; *Body Weight ; Brain/metabolism ; Caloric Restriction ; Fatty Acids/metabolism ; Ghrelin ; Humans ; Insulin/metabolism ; Intercellular Signaling Peptides and Proteins ; Leptin/genetics/metabolism ; Longevity ; Mice ; Neurons/physiology ; Neuropeptide Y/metabolism ; Obesity/*etiology/metabolism ; Peptide Hormones/metabolism ; Peptide YY/metabolism ; Pro-Opiomelanocortin/metabolism ; Protein Tyrosine Phosphatase, Non-Receptor Type 1 ; Protein Tyrosine Phosphatases/genetics/metabolism ; Proteins/metabolism ; Receptor, Insulin/metabolism ; Receptors, Pituitary Hormone/metabolism ; Stearoyl-CoA Desaturase/genetics/metabolism ; alpha-MSH/metabolism
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  • 86
    Publication Date: 2003-11-01
    Description: In the mouse olfactory system, each olfactory sensory neuron (OSN) expresses only one odorant receptor (OR) gene in a monoallelic and mutually exclusive manner. Such expression forms the genetic basis for OR-instructed axonal projection of OSNs to the olfactory bulb of the brain during development. Here, we identify an upstream cis-acting DNA region that activates the OR gene cluster in mouse and allows the expression of only one OR gene within the cluster. Deletion of the coding region of the expressed OR gene or a naturally occurring frame-shift mutation allows a second OR gene to be expressed. We propose that stochastic activation of only one OR gene within the cluster and negative feedback regulation by that OR gene product are necessary to ensure the one receptor-one neuron rule.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Serizawa, Shou -- Miyamichi, Kazunari -- Nakatani, Hiroko -- Suzuki, Misao -- Saito, Michiko -- Yoshihara, Yoshihiro -- Sakano, Hitoshi -- New York, N.Y. -- Science. 2003 Dec 19;302(5653):2088-94. Epub 2003 Oct 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics and Biochemistry, Graduate School of Science, University of Tokyo, Tokyo 113-0032, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14593185" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Axons/physiology ; Chromosomes, Artificial, Yeast ; Conserved Sequence ; *Feedback, Physiological ; Frameshift Mutation ; *Gene Expression Regulation ; Gene Silencing ; In Situ Hybridization ; *Locus Control Region ; Mice ; Mice, Transgenic ; Multigene Family ; Olfactory Bulb/cytology ; Olfactory Receptor Neurons/*metabolism ; Promoter Regions, Genetic ; Pseudogenes ; Receptors, Odorant/*genetics/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Transgenes
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-01-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jain, Rakesh K -- Padera, Timothy P -- New York, N.Y. -- Science. 2003 Jan 10;299(5604):209-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Edwin L. Steele Laboratory of Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA. jain@steele.mgh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12522236" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Animals ; Arteriovenous Malformations/etiology/metabolism ; Blood Vessels/*embryology/metabolism ; Bone Marrow Cells/cytology/physiology ; Cell Differentiation ; Chemokine CCL21 ; Chemokines, CC/metabolism ; Endothelium, Lymphatic/cytology/metabolism ; Endothelium, Vascular/cytology/metabolism ; Enzyme Precursors/genetics/*metabolism ; Genes, Homeobox ; Glycoproteins/genetics/metabolism ; Homeodomain Proteins/genetics/metabolism ; Intracellular Signaling Peptides and Proteins ; Lymphatic System/*embryology/metabolism ; Mice ; Mice, Knockout ; Neoplasm Metastasis ; Neoplasms/blood supply/metabolism/pathology ; Phosphoproteins/genetics/*metabolism ; Protein-Tyrosine Kinases/genetics/*metabolism ; *Signal Transduction ; Stem Cells/physiology ; Tumor Suppressor Proteins ; Vascular Endothelial Growth Factor Receptor-3/genetics/metabolism ; Veins/embryology/metabolism
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-12-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaffe, Aron B -- Hall, Alan -- New York, N.Y. -- Science. 2003 Dec 5;302(5651):1690-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC Laboratory for Molecular Cell Biology and Cell Biology Unit, University College London, London WC1E 6BT, UK. a.jaffe@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14657480" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/*metabolism ; *Cell Movement ; *Cell Polarity ; GTPase-Activating Proteins/metabolism ; Guanine Nucleotide Exchange Factors/metabolism ; Guanosine Triphosphate/metabolism ; Humans ; Mice ; Protein Kinase C/metabolism ; Pseudopodia/metabolism ; Signal Transduction ; Ubiquitin/metabolism ; Ubiquitin-Protein Ligases/*metabolism ; cdc42 GTP-Binding Protein/metabolism ; rac GTP-Binding Proteins/metabolism ; rho GTP-Binding Proteins/*metabolism
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  • 89
    Publication Date: 2003-08-23
    Description: Cell division in many mammalian tissues is associated with specific times of day, but just how the circadian clock controls this timing has not been clear. Here, we show in the regenerating liver (of mice) that the circadian clock controls the expression of cell cycle-related genes that in turn modulate the expression of active Cyclin B1-Cdc2 kinase, a key regulator of mitosis. Among these genes, expression of wee1 was directly regulated by the molecular components of the circadian clockwork. In contrast, the circadian clockwork oscillated independently of the cell cycle in single cells. Thus, the intracellular circadian clockwork can control the cell-division cycle directly and unidirectionally in proliferating cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsuo, Takuya -- Yamaguchi, Shun -- Mitsui, Shigeru -- Emi, Aki -- Shimoda, Fukuko -- Okamura, Hitoshi -- New York, N.Y. -- Science. 2003 Oct 10;302(5643):255-9. Epub 2003 Aug 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Brain Science, Department of Brain Sciences, Kobe University Graduate School of Medicine, Chuo-ku, Kobe 650-0017, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12934012" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Animals ; Basic Helix-Loop-Helix Transcription Factors ; *Biological Clocks ; CDC2 Protein Kinase/genetics/*metabolism ; CLOCK Proteins ; Cell Cycle ; Cell Cycle Proteins/genetics/metabolism ; *Cell Division ; *Circadian Rhythm ; Cryptochromes ; Cyclin B/genetics/*metabolism ; Cyclin B1 ; *Drosophila Proteins ; *Eye Proteins ; Flavoproteins/genetics/metabolism ; Gene Expression Profiling ; Gene Expression Regulation ; Hepatectomy ; Hepatocytes/*cytology/metabolism ; Kinetics ; Liver Regeneration ; Mice ; Mice, Inbred C57BL ; Mitosis ; Nuclear Proteins/genetics/metabolism ; Period Circadian Proteins ; Phosphorylation ; *Photoreceptor Cells, Invertebrate ; Protein-Tyrosine Kinases/genetics/*metabolism ; Receptors, G-Protein-Coupled ; Trans-Activators/genetics/metabolism ; Transcription Factors/genetics/metabolism ; Transcription, Genetic
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  • 90
    Publication Date: 2003-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2003 Oct 3;302(5642):46-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14526056" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Differentiation ; Cells, Cultured ; Hydrocarbons ; Mice ; *Nanotechnology ; Neurons/*cytology ; *Peptides/chemistry ; Rats ; Spinal Cord Injuries/therapy ; Stem Cells/*cytology
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  • 91
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2003 Dec 12;302(5652):1875.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14671256" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Differentiation ; Cell Division ; Cell Separation ; Cells, Cultured ; Embryo, Mammalian/*cytology ; Fertilization ; Genomic Imprinting ; Male ; Mice ; Spermatozoa/*cytology/drug effects/physiology ; Stem Cells/drug effects/*physiology ; Tretinoin/pharmacology
    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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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beckman, Mary -- New York, N.Y. -- Science. 2003 Apr 4;300(5616):76-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12677053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Axons/*physiology ; Chick Embryo ; Dendrites/*physiology ; *Diagnostic Imaging ; Image Processing, Computer-Assisted ; Luminescent Proteins ; Mice ; Microscopy/methods ; Microscopy, Confocal ; Motion Pictures as Topic ; Muscle, Skeletal/innervation ; Neuromuscular Junction/physiology ; Neurons/physiology ; Retina/embryology ; Somites/*physiology ; Synapses/*physiology ; Zebrafish
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-08-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):757.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907775" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antidepressive Agents/*pharmacology ; Antidepressive Agents, Second-Generation/pharmacology ; Antidepressive Agents, Tricyclic/pharmacology ; Cell Division ; Depression/drug therapy/pathology/*physiopathology ; Depressive Disorder/drug therapy/pathology/*physiopathology ; Disease Progression ; Fluoxetine/pharmacology ; Hippocampus/cytology/drug effects/*physiology/physiopathology ; Humans ; Mice ; Mice, Knockout ; Neurons/*physiology ; Receptors, Serotonin/genetics/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-05-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2003 May 2;300(5620):721.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730567" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Culture Techniques ; Cell Differentiation ; Cells, Cultured ; Cloning, Organism ; Embryo Research ; Embryo, Mammalian/*cytology ; Estradiol/metabolism ; Ethics, Research ; Humans ; Meiosis ; Mice ; Oocytes/*physiology ; *Oogenesis ; Stem Cells/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, Jennifer -- New York, N.Y. -- Science. 2003 Sep 12;301(5639):1457.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12970531" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/isolation & purification ; Bacterial Infections/transmission ; Blood Coagulation ; *Blood Platelets/microbiology/physiology ; Blood Preservation/*methods ; *Carbohydrate Metabolism ; *Cold Temperature ; Humans ; Liver/metabolism ; Mice ; Platelet Count ; Platelet Transfusion/adverse effects ; Receptor Aggregation ; Receptors, Cell Surface/metabolism ; Refrigeration
    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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  • 96
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-01-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Menaker, Michael -- New York, N.Y. -- Science. 2003 Jan 10;299(5604):213-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Virginia, Charlottesville, VA 22904, USA. mm7e@virginia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12522238" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Clocks ; *Circadian Rhythm ; Cryptochromes ; Darkness ; *Drosophila Proteins ; *Eye Proteins ; Flavoproteins/genetics/*physiology ; Humans ; *Light ; Mice ; Mice, Knockout ; Mutation ; *Photoreceptor Cells, Invertebrate ; Photoreceptor Cells, Vertebrate/*physiology ; Receptors, G-Protein-Coupled ; Reflex, Pupillary ; Retinal Ganglion Cells/cytology/*physiology ; Rod Opsins/genetics/metabolism/*physiology ; Suprachiasmatic Nucleus/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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  • 97
    Publication Date: 2003-06-07
    Description: Although the role of Toll-like receptors in extracellular bacterial sensing has been investigated intensively, intracellular detection of bacteria through Nod molecules remains largely uncharacterized. Here, we show that human Nod1 specifically detects a unique diaminopimelate-containing N-acetylglucosamine-N-acetylmuramic acid (GlcNAc-MurNAc) tripeptide motif found in Gram-negative bacterial peptidoglycan, resulting in activation of the transcription factor NF-kappaB pathway. Moreover, we show that in epithelial cells (which represent the first line of defense against invasive pathogens), Nod1is indispensable for intracellular Gram-negative bacterial sensing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Girardin, Stephen E -- Boneca, Ivo G -- Carneiro, Leticia A M -- Antignac, Aude -- Jehanno, Muguette -- Viala, Jerome -- Tedin, Karsten -- Taha, Muhamed-Kheir -- Labigne, Agnes -- Zahringer, Ulrich -- Coyle, Anthony J -- DiStefano, Peter S -- Bertin, John -- Sansonetti, Philippe J -- Philpott, Dana J -- New York, N.Y. -- Science. 2003 Jun 6;300(5625):1584-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite de Pathogenie Microbienne Moleculaire, INSERM U389, Institut Pasteur, 28, Rue du Dr. Roux, 75724Paris Cedex 15, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12791997" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptor Proteins, Signal Transducing ; Amino Acid Motifs ; Animals ; Antigens, Differentiation/metabolism ; Carrier Proteins/chemistry/metabolism/*physiology ; Cell Line ; Cytoplasm/microbiology ; Epithelial Cells/metabolism/microbiology ; Gram-Negative Bacteria/*chemistry/immunology ; Gram-Positive Bacteria/chemistry/immunology ; Humans ; Immunity, Innate ; Interleukin-8/metabolism ; *Intracellular Signaling Peptides and Proteins ; Lipopolysaccharides/pharmacology ; Mice ; Myeloid Differentiation Factor 88 ; NF-kappa B/chemistry/metabolism ; Nod1 Signaling Adaptor Protein ; Nod2 Signaling Adaptor Protein ; Oligopeptides/*analysis/chemistry ; Peptidoglycan/*chemistry/pharmacology ; Protein Structure, Tertiary ; Receptors, Immunologic/metabolism ; Signal Transduction ; Trisaccharides/*analysis/chemistry
    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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  • 98
    Publication Date: 2003-10-18
    Description: The Rac1 guanosine triphosphatase (GTPase) has been implicated in multiple cellular functions, including actin dynamics, proliferation, apoptosis, adhesion, and migration resulting from signaling by multiple receptors, including the B cell antigen receptor (BCR). We used conditional gene targeting to generate mice with specific Rac1 deficiency in the B cell lineage. In the absence of both Rac1 and the highly related Rac2, B cell development was almost completely blocked. Both GTPases were required to transduce BCR signals leading to proliferation, survival and up-regulation of BAFF-R, a receptor for BAFF, a key survival molecule required for B cell development and maintenance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walmsley, Marita J -- Ooi, Steen K T -- Reynolds, Lucinda F -- Smith, Susan Harless -- Ruf, Sandra -- Mathiot, Anne -- Vanes, Lesley -- Williams, David A -- Cancro, Michael P -- Tybulewicz, Victor L J -- R01 AI042990/AI/NIAID NIH HHS/ -- R01 AI054488/AI/NIAID NIH HHS/ -- R01 DK62757/DK/NIDDK NIH HHS/ -- T32 CA009140/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 17;302(5644):459-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Immune Cell Biology, National Institute for Medical Research, The Ridgeway, Mill Hill, London, NW7 1AA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14564011" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Cell Activating Factor ; B-Cell Activation Factor Receptor ; B-Lymphocyte Subsets/physiology ; B-Lymphocytes/*physiology ; Cell Differentiation ; Cell Division ; Cell Lineage ; Cell Survival ; Female ; Gene Targeting ; Lymphocyte Activation ; Male ; Membrane Proteins/metabolism ; Mice ; Mice, Inbred C57BL ; Receptors, Antigen, B-Cell/*metabolism ; Receptors, Tumor Necrosis Factor/genetics/metabolism ; Recombination, Genetic ; *Signal Transduction ; Spleen/cytology ; Tumor Necrosis Factor-alpha/metabolism ; Up-Regulation ; rac GTP-Binding Proteins/*physiology ; rac1 GTP-Binding Protein/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2003-04-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lengauer, Christoph -- New York, N.Y. -- Science. 2003 Apr 18;300(5618):442-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA. lengauer@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12702865" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Chromosome Aberrations ; Chromosomes/*genetics/physiology ; Colorectal Neoplasms/genetics ; DNA (Cytosine-5-)-Methyltransferase/genetics/metabolism ; *DNA Methylation ; DNA Repair ; Gene Silencing ; Genes, Neurofibromatosis 1 ; Genes, p53 ; Humans ; *Loss of Heterozygosity ; Lymphoma, T-Cell/genetics ; Mice ; Mutation ; Neoplasms/*genetics ; Recombination, Genetic ; Sarcoma/genetics ; Soft Tissue Neoplasms/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
    Publication Date: 2003-01-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walther, Diego J -- Peter, Jens-Uwe -- Bashammakh, Saleh -- Hortnagl, Heide -- Voits, Mechthild -- Fink, Heidrun -- Bader, Michael -- New York, N.Y. -- Science. 2003 Jan 3;299(5603):76.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Delbruck Center for Molecular Medicine (MDC), Robert-Rossle-Strasse 10, D-13092 Berlin-Buch, Germany. dwalther@mdc-berlin.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12511643" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Brain/*enzymology/metabolism ; COS Cells ; Cloning, Molecular ; Conserved Sequence ; DNA, Complementary ; Duodenum/enzymology/metabolism ; Humans ; Hydroxylation ; Isoenzymes/chemistry/genetics/metabolism ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; RNA, Messenger/genetics/metabolism ; Rats ; Serotonin/*biosynthesis ; Transfection ; Tryptophan Hydroxylase/chemistry/genetics/*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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