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  • Articles  (922)
  • Mice  (826)
  • Base Sequence
  • American Association for the Advancement of Science (AAAS)  (922)
  • 2010-2014  (922)
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  • Articles  (922)
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  • 1
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    Nebulin and N-WASP cooperate to cause IGF-1-induced sarcomeric actin filament formation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-12-15
    Description: Insulin-like growth factor 1 (IGF-1) induces skeletal muscle maturation and enlargement (hypertrophy). These responses require protein synthesis and myofibril formation (myofibrillogenesis). However, the signaling mechanisms of myofibrillogenesis remain obscure. We found that IGF-1-induced phosphatidylinositol 3-kinase-Akt signaling formed a complex of nebulin and N-WASP at the Z bands of myofibrils by interfering with glycogen synthase kinase-3beta in mice. Although N-WASP is known to be an activator of the Arp2/3 complex to form branched actin filaments, the nebulin-N-WASP complex caused actin nucleation for unbranched actin filament formation from the Z bands without the Arp2/3 complex. Furthermore, N-WASP was required for IGF-1-induced muscle hypertrophy. These findings present the mechanisms of IGF-1-induced actin filament formation in myofibrillogenesis required for muscle maturation and hypertrophy and a mechanism of actin nucleation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takano, Kazunori -- Watanabe-Takano, Haruko -- Suetsugu, Shiro -- Kurita, Souichi -- Tsujita, Kazuya -- Kimura, Sumiko -- Karatsu, Takashi -- Takenawa, Tadaomi -- Endo, Takeshi -- New York, N.Y. -- Science. 2010 Dec 10;330(6010):1536-40. doi: 10.1126/science.1197767.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Graduate School of Science, Chiba University, 1-33 Yayoicho, Inageku, Chiba 263-8522, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21148390" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/*metabolism ; Actins/*metabolism ; Animals ; COS Cells ; Cercopithecus aethiops ; Hypertrophy ; Insulin-Like Growth Factor I/*metabolism ; Mice ; Mice, Inbred ICR ; *Muscle Development ; Muscle Proteins/chemistry/*metabolism ; Muscle, Skeletal/metabolism/pathology ; Myofibrils/metabolism ; Phosphatidylinositol 3-Kinase/metabolism ; Protein Binding ; Protein Interaction Domains and Motifs ; Proto-Oncogene Proteins c-akt/metabolism ; RNA Interference ; Sarcomeres/*metabolism ; Signal Transduction ; Wiskott-Aldrich Syndrome Protein, Neuronal/chemistry/*metabolism ; src Homology Domains
    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
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    PRDM9 is a major determinant of meiotic recombination hotspots in humans and mice (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-01-02
    Description: Meiotic recombination events cluster into narrow segments of the genome, defined as hotspots. Here, we demonstrate that a major player for hotspot specification is the Prdm9 gene. First, two mouse strains that differ in hotspot usage are polymorphic for the zinc finger DNA binding array of PRDM9. Second, the human consensus PRDM9 allele is predicted to recognize the 13-mer motif enriched at human hotspots; this DNA binding specificity is verified by in vitro studies. Third, allelic variants of PRDM9 zinc fingers are significantly associated with variability in genome-wide hotspot usage among humans. Our results provide a molecular basis for the distribution of meiotic recombination in mammals, in which the binding of PRDM9 to specific DNA sequences targets the initiation of recombination at specific locations in the genome.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4295902/" 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/PMC4295902/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baudat, F -- Buard, J -- Grey, C -- Fledel-Alon, A -- Ober, C -- Przeworski, M -- Coop, G -- de Massy, B -- 03S1/PHS HHS/ -- GM83098/GM/NIGMS NIH HHS/ -- HD21244/HD/NICHD NIH HHS/ -- HL085197/HL/NHLBI NIH HHS/ -- R01 GM083098/GM/NIGMS NIH HHS/ -- R01 HD021244/HD/NICHD NIH HHS/ -- R01 HL085197/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Feb 12;327(5967):836-40. doi: 10.1126/science.1183439. Epub 2009 Dec 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Genetique Humaine, UPR1142, CNRS, Montpellier, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20044539" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; DNA/chemistry/metabolism ; DNA Breaks, Double-Stranded ; DNA-Binding Proteins/chemistry/genetics/metabolism ; Genome ; Genome, Human ; Genotype ; Histone-Lysine N-Methyltransferase/chemistry/*genetics/*metabolism ; Humans ; Meiosis/*genetics ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Phenotype ; *Recombination, Genetic ; Zinc Fingers/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Beta2-adrenergic receptor redistribution in heart failure changes cAMP compartmentation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-02-27
    Description: The beta1- and beta2-adrenergic receptors (betaARs) on the surface of cardiomyocytes mediate distinct effects on cardiac function and the development of heart failure by regulating production of the second messenger cyclic adenosine monophosphate (cAMP). The spatial localization in cardiomyocytes of these betaARs, which are coupled to heterotrimeric guanine nucleotide-binding proteins (G proteins), and the functional implications of their localization have been unclear. We combined nanoscale live-cell scanning ion conductance and fluorescence resonance energy transfer microscopy techniques and found that, in cardiomyocytes from healthy adult rats and mice, spatially confined beta2AR-induced cAMP signals are localized exclusively to the deep transverse tubules, whereas functional beta1ARs are distributed across the entire cell surface. In cardiomyocytes derived from a rat model of chronic heart failure, beta2ARs were redistributed from the transverse tubules to the cell crest, which led to diffuse receptor-mediated cAMP signaling. Thus, the redistribution of beta(2)ARs in heart failure changes compartmentation of cAMP and might contribute to the failing myocardial phenotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nikolaev, Viacheslav O -- Moshkov, Alexey -- Lyon, Alexander R -- Miragoli, Michele -- Novak, Pavel -- Paur, Helen -- Lohse, Martin J -- Korchev, Yuri E -- Harding, Sian E -- Gorelik, Julia -- 084064/Wellcome Trust/United Kingdom -- BB/D020875/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0500373/Medical Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2010 Mar 26;327(5973):1653-7. doi: 10.1126/science.1185988. Epub 2010 Feb 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cardiac Medicine, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London SW3 6LY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20185685" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Compartmentation ; Cell Membrane/*metabolism/ultrastructure ; Chronic Disease ; Cyclic AMP/*metabolism ; Cyclic AMP-Dependent Protein Kinases/metabolism ; Cytosol/metabolism ; Fluorescence Resonance Energy Transfer ; Heart Failure/*metabolism/*pathology ; Male ; Mice ; Mice, Knockout ; Mice, Transgenic ; Microscopy/methods ; Myocytes, Cardiac/*metabolism/ultrastructure ; Rats ; Rats, Sprague-Dawley ; Receptors, Adrenergic, beta-1/genetics/metabolism ; Receptors, Adrenergic, beta-2/genetics/*metabolism ; Sarcolemma/*metabolism/ultrastructure ; Signal Transduction
    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
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    Immunology. Mouse studies challenge rare immune cell's powers (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-10-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leslie, Mitch -- New York, N.Y. -- Science. 2010 Sep 24;329(5999):1595. doi: 10.1126/science.329.5999.1595.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20929824" target="_blank"〉PubMed〈/a〉
    Keywords: Allergens/immunology ; Animals ; Antibodies/immunology ; *Antigen Presentation ; Antigen-Presenting Cells/immunology ; Basophils/*immunology ; Dendritic Cells/immunology ; Helminths/immunology ; Lymph Nodes/immunology ; Mice ; Th2 Cells/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Differential arginylation of actin isoforms is regulated by coding sequence-dependent degradation (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-09-18
    Description: The mammalian cytoskeletal proteins beta- and gamma-actin are highly homologous, but only beta-actin is amino-terminally arginylated in vivo, which regulates its function. We examined the metabolic fate of exogenously expressed arginylated and nonarginylated actin isoforms. Arginylated gamma-actin, unlike beta-, was highly unstable and was selectively ubiquitinated and degraded in vivo. This instability was regulated by the differences in the nucleotide coding sequence between the two actin isoforms, which conferred different translation rates. gamma-actin was translated more slowly than beta-actin, and this slower processing resulted in the exposure of a normally hidden lysine residue for ubiquitination, leading to the preferential degradation of gamma-actin upon arginylation. This degradation mechanism, coupled to nucleotide coding sequence, may regulate protein arginylation in vivo.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2941909/" 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/PMC2941909/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Fangliang -- Saha, Sougata -- Shabalina, Svetlana A -- Kashina, Anna -- 5R01HL084419/HL/NHLBI NIH HHS/ -- R01 HL084419/HL/NHLBI NIH HHS/ -- R01 HL084419-03/HL/NHLBI NIH HHS/ -- R01 HL084419-03S1/HL/NHLBI NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 Sep 17;329(5998):1534-7. doi: 10.1126/science.1191701.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Biology, School of Veterinary 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/20847274" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/chemistry/genetics/*metabolism ; Amino Acid Sequence ; Animals ; Arginine/*metabolism ; Cell Line ; Cell Line, Tumor ; *Codon ; Humans ; Lysine/metabolism ; Mice ; Nucleic Acid Conformation ; Proteasome Endopeptidase Complex/metabolism ; Protein Biosynthesis ; Protein Folding ; Protein Isoforms/chemistry/genetics/metabolism ; *Protein Modification, Translational ; Protein Stability ; RNA, Messenger/chemistry/genetics/metabolism ; Recombinant Fusion Proteins/metabolism ; Ubiquitination
    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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  • 6
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    The ligase PIAS1 restricts natural regulatory T cell differentiation by epigenetic repression (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-10-23
    Description: CD4(+)Foxp3(+) regulatory T (T(reg)) cells are important for maintaining immune tolerance. Understanding the molecular mechanism that regulates T(reg) differentiation will facilitate the development of effective therapeutic strategies against autoimmune diseases. We report here that the SUMO E3 ligase PIAS1 restricts the differentiation of natural T(reg) cells by maintaining a repressive chromatin state of the Foxp3 promoter. PIAS1 acts by binding to the Foxp3 promoter to recruit DNA methyltransferases and heterochromatin protein 1 for epigenetic modifications. Pias1 deletion caused promoter demethylation, reduced histone H3 methylation at Lys(9), and enhanced promoter accessibility. Consistently, Pias1(-/-) mice displayed an increased natural T(reg) cell population and were resistant to the development of experimental autoimmune encephalomyelitis. Our studies have identified an epigenetic mechanism that negatively regulates the differentiation of natural T(reg) cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3043201/" 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/PMC3043201/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Bin -- Tahk, Samuel -- Yee, Kathleen M -- Fan, Guoping -- Shuai, Ke -- K01 AR52717-01/AR/NIAMS NIH HHS/ -- R01 AI063286/AI/NIAID NIH HHS/ -- R01 AI063286-05/AI/NIAID NIH HHS/ -- R01 GM085797/GM/NIGMS NIH HHS/ -- R01 GM085797-03/GM/NIGMS NIH HHS/ -- R01AI063286/AI/NIAID NIH HHS/ -- R01GM085797/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2010 Oct 22;330(6003):521-5. doi: 10.1126/science.1193787.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology-Oncology, Department of Medicine, 11-934 Factor Building, 10833 Le Conte Avenue, University of California, Los Angeles, Los Angeles, CA 90095, USA. bliu@ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20966256" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; CD4-Positive T-Lymphocytes/cytology ; Chromatin/metabolism ; DNA (Cytosine-5-)-Methyltransferase/metabolism ; DNA Methylation ; Encephalomyelitis, Autoimmune, Experimental/immunology ; *Epigenesis, Genetic ; Female ; Forkhead Transcription Factors/genetics ; Histones/metabolism ; Lymphopoiesis/*genetics ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Promoter Regions, Genetic ; Protein Inhibitors of Activated STAT/*physiology ; Repressor Proteins/*physiology ; T-Lymphocytes, Regulatory/*cytology/immunology ; Ubiquitin-Protein Ligases/*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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  • 7
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    Muscle dysfunction caused by a KATP channel mutation in neonatal diabetes is neuronal in origin (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-07-03
    Description: Gain-of-function mutations in Kir6.2 (KCNJ11), the pore-forming subunit of the adenosine triphosphate (ATP)-sensitive potassium (KATP) channel, cause neonatal diabetes. Many patients also suffer from hypotonia (weak and flaccid muscles) and balance problems. The diabetes arises from suppressed insulin secretion by overactive KATP channels in pancreatic beta-cells, but the source of the motor phenotype is unknown. By using mice carrying a human Kir6.2 mutation (Val59--〉Met59) targeted to either muscle or nerve, we show that analogous motor impairments originate in the central nervous system rather than in muscle or peripheral nerves. We also identify locomotor hyperactivity as a feature of KATP channel overactivity. These findings suggest that drugs targeted against neuronal, rather than muscle, KATP channels are needed to treat the motor deficits and that such drugs require high blood-brain barrier permeability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, Rebecca H -- McTaggart, James S -- Webster, Richard -- Mannikko, Roope -- Iberl, Michaela -- Sim, Xiu Li -- Rorsman, Patrik -- Glitsch, Maike -- Beeson, David -- Ashcroft, Frances M -- 084655/Wellcome Trust/United Kingdom -- G0701521/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2010 Jul 23;329(5990):458-61. doi: 10.1126/science.1186146. Epub 2010 Jul 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20595581" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/metabolism ; Adenosine Triphosphate/metabolism ; Animals ; Ataxia/physiopathology ; Diabetes Mellitus/*genetics/metabolism/physiopathology ; Female ; Gene Targeting ; Humans ; Infant, Newborn ; Male ; Membrane Potentials ; Mice ; Mice, Transgenic ; Motor Activity ; Muscle Hypotonia/*genetics/metabolism/physiopathology ; Muscle Strength ; Muscles/*metabolism ; Neurons/*metabolism ; Patch-Clamp Techniques ; Postural Balance ; Potassium Channels, Inwardly Rectifying/*genetics/*metabolism ; Purkinje Cells/physiology ; Receptors, Drug/metabolism ; Sulfonylurea Receptors ; Syndrome
    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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  • 8
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    Extending healthy life span--from yeast to humans (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-04-17
    Description: When the food intake of organisms such as yeast and rodents is reduced (dietary restriction), they live longer than organisms fed a normal diet. A similar effect is seen when the activity of nutrient-sensing pathways is reduced by mutations or chemical inhibitors. In rodents, both dietary restriction and decreased nutrient-sensing pathway activity can lower the incidence of age-related loss of function and disease, including tumors and neurodegeneration. Dietary restriction also increases life span and protects against diabetes, cancer, and cardiovascular disease in rhesus monkeys, and in humans it causes changes that protect against these age-related pathologies. Tumors and diabetes are also uncommon in humans with mutations in the growth hormone receptor, and natural genetic variants in nutrient-sensing pathways are associated with increased human life span. Dietary restriction and reduced activity of nutrient-sensing pathways may thus slow aging by similar mechanisms, which have been conserved during evolution. We discuss these findings and their potential application to prevention of age-related disease and promotion of healthy aging in humans, and the challenge of possible negative side effects.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3607354/" 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/PMC3607354/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fontana, Luigi -- Partridge, Linda -- Longo, Valter D -- AG025135/AG/NIA NIH HHS/ -- AG20642/AG/NIA NIH HHS/ -- GM075308/GM/NIGMS NIH HHS/ -- P30 DK056341/DK/NIDDK NIH HHS/ -- P30DK056341/DK/NIDDK NIH HHS/ -- R01 AG020642/AG/NIA NIH HHS/ -- UL1 RR024992/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2010 Apr 16;328(5976):321-6. doi: 10.1126/science.1172539.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Geriatrics and Nutritional Science, Washington University School of Medicine, St. Louis, MO 63110, USA. lfontana@dom.wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20395504" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Caenorhabditis elegans/genetics/physiology ; *Caloric Restriction ; Drosophila/genetics/physiology ; Eating ; Haplorhini ; Humans ; *Longevity ; Mice ; Saccharomyces cerevisiae/genetics/physiology ; *Signal Transduction
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Tuberculosis: what we don't know can, and does, hurt us (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-05-15
    Description: Mycobacterium tuberculosis has a penetrance of its host population that would be the envy of most human pathogens. About one-third of the human population would have a positive skin test for the infection and is thus thought to harbor the bacterium. Globally, 22 "high-burden" countries account for more than 80% of the active tuberculosis cases in the world, which shows the inequitable distribution of the disease. There is no effective vaccine against infection, and current drug therapies are fraught with problems, predominantly because of the protracted nature of the treatment and the increasing occurrence of drug resistance. Here we focus on the biology of the host-pathogen interaction and discuss new and evolving strategies for intervention.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2872107/" 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/PMC2872107/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Russell, David G -- Barry, Clifton E 3rd -- Flynn, JoAnne L -- AI057086/AI/NIAID NIH HHS/ -- AI067027/AI/NIAID NIH HHS/ -- AI080651/AI/NIAID NIH HHS/ -- AI50732/AI/NIAID NIH HHS/ -- HL055936/HL/NHLBI NIH HHS/ -- HL075845/HL/NHLBI NIH HHS/ -- HL092883/HL/NHLBI NIH HHS/ -- HL100928/HL/NHLBI NIH HHS/ -- HL71241/HL/NHLBI NIH HHS/ -- R01 AI037859/AI/NIAID NIH HHS/ -- R01 AI050732/AI/NIAID NIH HHS/ -- R01 AI050732-07/AI/NIAID NIH HHS/ -- R01 AI057086/AI/NIAID NIH HHS/ -- R01 AI057086-06A2/AI/NIAID NIH HHS/ -- R01 AI067027/AI/NIAID NIH HHS/ -- R01 AI067027-05/AI/NIAID NIH HHS/ -- R01 AI080651/AI/NIAID NIH HHS/ -- R01 AI080651-02/AI/NIAID NIH HHS/ -- R01 HL055936/HL/NHLBI NIH HHS/ -- R01 HL055936-14/HL/NHLBI NIH HHS/ -- R01 HL075845/HL/NHLBI NIH HHS/ -- R01 HL075845-05/HL/NHLBI NIH HHS/ -- R01 HL100928/HL/NHLBI NIH HHS/ -- R01 HL100928-01/HL/NHLBI NIH HHS/ -- R33 HL092883/HL/NHLBI NIH HHS/ -- R33 HL092883-02/HL/NHLBI NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 May 14;328(5980):852-6. doi: 10.1126/science.1184784.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA. dgr8@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20466922" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antitubercular Agents/pharmacology/therapeutic use ; *BCG Vaccine/administration & dosage/immunology ; Biomarkers ; Disease Models, Animal ; Drug Discovery ; Drug Therapy, Combination ; Host-Pathogen Interactions ; Humans ; Mice ; *Mycobacterium tuberculosis/growth & development/immunology/metabolism ; Public Health Practice ; *Tuberculosis/drug therapy/immunology/microbiology/prevention & control ; Vaccination
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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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    Covering a broad dynamic range: information processing at the erythropoietin receptor (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-05-22
    Description: Cell surface receptors convert extracellular cues into receptor activation, thereby triggering intracellular signaling networks and controlling cellular decisions. A major unresolved issue is the identification of receptor properties that critically determine processing of ligand-encoded information. We show by mathematical modeling of quantitative data and experimental validation that rapid ligand depletion and replenishment of the cell surface receptor are characteristic features of the erythropoietin (Epo) receptor (EpoR). The amount of Epo-EpoR complexes and EpoR activation integrated over time corresponds linearly to ligand input; this process is carried out over a broad range of ligand concentrations. This relation depends solely on EpoR turnover independent of ligand binding, which suggests an essential role of large intracellular receptor pools. These receptor properties enable the system to cope with basal and acute demand in the hematopoietic system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, Verena -- Schilling, Marcel -- Bachmann, Julie -- Baumann, Ute -- Raue, Andreas -- Maiwald, Thomas -- Timmer, Jens -- Klingmuller, Ursula -- New York, N.Y. -- Science. 2010 Jun 11;328(5984):1404-8. doi: 10.1126/science.1184913. Epub 2010 May 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division Systems Biology of Signal Transduction, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20488988" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Membrane/*metabolism ; Computer Simulation ; Endocytosis ; Epoetin Alfa ; Erythropoietin/metabolism/pharmacology ; Kinetics ; Ligands ; Mice ; Models, Biological ; Protein Binding ; Receptors, Erythropoietin/*metabolism ; Recombinant Proteins ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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