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  • Mice  (1,444)
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  • American Association for the Advancement of Science (AAAS)  (1,737)
  • EMBO Press
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  • 1
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    American Chemical Society fall meeting, 16-20 August, Washington, D.C. Sugary Achilles' heel raises hope for broad-acting antiviral drugs (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1200. doi: 10.1126/science.325_1200a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729635" target="_blank"〉PubMed〈/a〉
    Keywords: Algal Proteins/*metabolism/*pharmacology ; Animals ; Anti-HIV Agents/metabolism/pharmacology ; Antiviral Agents/*metabolism/*pharmacology ; Ebolavirus/drug effects ; HIV/drug effects ; Humans ; Lectins/*metabolism/*pharmacology ; Mannose/*metabolism ; Mice ; Microbial Sensitivity Tests ; Plant Lectins ; SARS Virus/drug effects ; Virus Diseases/drug therapy ; Viruses/*drug effects
    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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    Demonstration of genetic exchange during cyclical development of Leishmania in the sand fly vector (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-11
    Description: Genetic exchange has not been shown to be a mechanism underlying the extensive diversity of Leishmania parasites. We report here evidence that the invertebrate stages of Leishmania are capable of having a sexual cycle consistent with a meiotic process like that described for African trypanosomes. Hybrid progeny were generated that bore full genomic complements from both parents, but kinetoplast DNA maxicircles from one parent. Mating occurred only in the sand fly vector, and hybrids were transmitted to the mammalian host by sand fly bite. Genetic exchange likely contributes to phenotypic diversity in natural populations, and analysis of hybrid progeny will be useful for positional cloning of the genes controlling traits such as virulence, tissue tropism, and drug resistance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2729066/" 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/PMC2729066/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Akopyants, Natalia S -- Kimblin, Nicola -- Secundino, Nagila -- Patrick, Rachel -- Peters, Nathan -- Lawyer, Phillip -- Dobson, Deborah E -- Beverley, Stephen M -- Sacks, David L -- A1020941/PHS HHS/ -- A1029646/PHS HHS/ -- R01 AI029646/AI/NIAID NIH HHS/ -- R01 AI029646-20/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):265-8. doi: 10.1126/science.1169464.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Microbiology, 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/19359589" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antiprotozoal Agents/pharmacology ; DNA, Kinetoplast/genetics ; DNA, Protozoan/analysis/genetics ; Drug Resistance ; Female ; Genes, Protozoan ; *Hybridization, Genetic ; Insect Vectors/*parasitology ; Leishmania major/drug effects/*genetics/*growth & development/pathogenicity ; Leishmaniasis, Cutaneous/parasitology ; Meiosis ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Phenotype ; Phlebotomus/*parasitology ; Polymorphism, Single Nucleotide
    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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    The transcriptional repressor DEC2 regulates sleep length in mammals (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-08-15
    Description: Sleep deprivation can impair human health and performance. Habitual total sleep time and homeostatic sleep response to sleep deprivation are quantitative traits in humans. Genetic loci for these traits have been identified in model organisms, but none of these potential animal models have a corresponding human genotype and phenotype. We have identified a mutation in a transcriptional repressor (hDEC2-P385R) that is associated with a human short sleep phenotype. Activity profiles and sleep recordings of transgenic mice carrying this mutation showed increased vigilance time and less sleep time than control mice in a zeitgeber time- and sleep deprivation-dependent manner. These mice represent a model of human sleep homeostasis that provides an opportunity to probe the effect of sleep on human physical and mental health.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884988/" 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/PMC2884988/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉He, Ying -- Jones, Christopher R -- Fujiki, Nobuhiro -- Xu, Ying -- Guo, Bin -- Holder, Jimmy L Jr -- Rossner, Moritz J -- Nishino, Seiji -- Fu, Ying-Hui -- HL059596/HL/NHLBI NIH HHS/ -- MH074924/MH/NIMH NIH HHS/ -- R01 HL059596/HL/NHLBI NIH HHS/ -- R01 HL059596-09/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2009 Aug 14;325(5942):866-70. doi: 10.1126/science.1174443.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, University of California at San Francisco, Mission Bay, 1550 Fourth Street, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19679812" target="_blank"〉PubMed〈/a〉
    Keywords: Activity Cycles/genetics ; Adolescent ; Adult ; Aged ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Animals, Genetically Modified ; Basic Helix-Loop-Helix Transcription Factors/chemistry/*genetics/physiology ; Child ; Circadian Rhythm/genetics ; Drosophila/genetics ; Electroencephalography ; Electromyography ; Female ; Homeostasis ; Humans ; Male ; Mice ; Mice, Knockout ; Mice, Transgenic ; Middle Aged ; Molecular Sequence Data ; Pedigree ; Point Mutation ; Sleep/*genetics/physiology ; Sleep Deprivation ; Sleep, REM/genetics/physiology ; Transcription Factors/chemistry/genetics/physiology ; Wakefulness
    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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    Proteins in motion. Introduction (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vinson, Valda J -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):197. doi: 10.1126/science.324.5924.197.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359575" target="_blank"〉PubMed〈/a〉
    Keywords: Evolution, Molecular ; Motion ; Protein Conformation ; Proteins/*chemistry/*physiology ; Signal Transduction ; Thermodynamics
    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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    The Fanconi anemia pathway promotes replication-dependent DNA interstrand cross-link repair (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-08
    Description: Fanconi anemia is a human cancer predisposition syndrome caused by mutations in 13 Fanc genes. The disorder is characterized by genomic instability and cellular hypersensitivity to chemicals that generate DNA interstrand cross-links (ICLs). A central event in the activation of the Fanconi anemia pathway is the mono-ubiquitylation of the FANCI-FANCD2 complex, but how this complex confers ICL resistance remains enigmatic. Using a cell-free system, we showed that FANCI-FANCD2 is required for replication-coupled ICL repair in S phase. Removal of FANCD2 from extracts inhibits both nucleolytic incisions near the ICL and translesion DNA synthesis past the lesion. Reversal of these defects requires ubiquitylated FANCI-FANCD2. Our results show that multiple steps of the essential S-phase ICL repair mechanism fail when the Fanconi anemia pathway is compromised.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2909596/" 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/PMC2909596/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knipscheer, Puck -- Raschle, Markus -- Smogorzewska, Agata -- Enoiu, Milica -- Ho, The Vinh -- Scharer, Orlando D -- Elledge, Stephen J -- Walter, Johannes C -- GM62267/GM/NIGMS NIH HHS/ -- R01 GM062267/GM/NIGMS NIH HHS/ -- R01 GM062267-09/GM/NIGMS NIH HHS/ -- R37 GM044664/GM/NIGMS NIH HHS/ -- R37 GM044664-23/GM/NIGMS NIH HHS/ -- T32CA09216/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1698-701. doi: 10.1126/science.1182372. Epub 2009 Nov 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965384" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell-Free System ; Chromatin/metabolism ; DNA/biosynthesis ; DNA Damage ; *DNA Repair ; *DNA Replication ; Fanconi Anemia/genetics/metabolism ; Fanconi Anemia Complementation Group D2 Protein/*metabolism ; Fanconi Anemia Complementation Group Proteins/*metabolism ; Molecular Sequence Data ; Recombinant Proteins/metabolism ; S Phase ; Signal Transduction ; Ubiquitinated Proteins/metabolism ; Ubiquitination ; Xenopus Proteins/*metabolism ; Xenopus laevis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 6
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    Platelets kill intraerythrocytic malarial parasites and mediate survival to infection (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-02-07
    Description: Platelets play a critical role in the pathogenesis of malarial infections by encouraging the sequestration of infected red blood cells within the cerebral vasculature. But platelets also have well-established roles in innate protection against microbial infections. We found that purified human platelets killed Plasmodium falciparum parasites cultured in red blood cells. Inhibition of platelet function by aspirin and other platelet inhibitors abrogated the lethal effect human platelets exert on P. falciparum parasites. Likewise, platelet-deficient and aspirin-treated mice were more susceptible to death during erythrocytic infection with Plasmodium chabaudi. Both mouse and human platelets bind malarial-infected red cells and kill the parasite within. These results indicate a protective function for platelets in the early stages of erythrocytic infection distinct from their role in cerebral malaria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McMorran, Brendan J -- Marshall, Vikki M -- de Graaf, Carolyn -- Drysdale, Karen E -- Shabbar, Meriam -- Smyth, Gordon K -- Corbin, Jason E -- Alexander, Warren S -- Foote, Simon J -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):797-800. doi: 10.1126/science.1166296.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Menzies Research Institute, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia. brendan.mcmorran@utas.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197068" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate/metabolism ; Animals ; Aspirin/pharmacology ; Blood Platelets/metabolism/*physiology ; Erythrocytes/*parasitology ; Female ; Humans ; In Situ Nick-End Labeling ; Malaria/*blood/immunology/*parasitology ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Plasmodium chabaudi/*growth & development ; Plasmodium falciparum/*growth & development ; Platelet Activation ; Platelet Aggregation Inhibitors/pharmacology ; Platelet Count ; Receptors, Purinergic P2/metabolism ; Receptors, Purinergic P2Y1 ; Receptors, Thrombopoietin/genetics
    Print ISSN: 0036-8075
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  • 7
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    Hemagglutinin receptor binding avidity drives influenza A virus antigenic drift (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-11-11
    Description: Rapid antigenic evolution in the influenza A virus hemagglutinin precludes effective vaccination with existing vaccines. To understand this phenomenon, we passaged virus in mice immunized with influenza vaccine. Neutralizing antibodies selected mutants with single-amino acid hemagglutinin substitutions that increased virus binding to cell surface glycan receptors. Passaging these high-avidity binding mutants in naive mice, but not immune mice, selected for additional hemagglutinin substitutions that decreased cellular receptor binding avidity. Analyzing a panel of monoclonal antibody hemagglutinin escape mutants revealed a positive correlation between receptor binding avidity and escape from polyclonal antibodies. We propose that in response to variation in neutralizing antibody pressure between individuals, influenza A virus evolves by adjusting receptor binding avidity via amino acid substitutions throughout the hemagglutinin globular domain, many of which simultaneously alter antigenicity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2784927/" 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/PMC2784927/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hensley, Scott E -- Das, Suman R -- Bailey, Adam L -- Schmidt, Loren M -- Hickman, Heather D -- Jayaraman, Akila -- Viswanathan, Karthik -- Raman, Rahul -- Sasisekharan, Ram -- Bennink, Jack R -- Yewdell, Jonathan W -- GM 57073/GM/NIGMS NIH HHS/ -- U54 GM62116/GM/NIGMS NIH HHS/ -- Z01 AI001014-01/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 30;326(5953):734-6. doi: 10.1126/science.1178258.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19900932" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Neutralizing/immunology ; Antibodies, Viral/immunology ; Antigenic Variation/genetics/*immunology ; Cell Line ; Hemagglutinin Glycoproteins, Influenza Virus/genetics/immunology/*metabolism ; Influenza A Virus, H1N1 Subtype/genetics/*immunology ; Influenza Vaccines/immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Models, Immunological ; Mutation ; Receptors, Virus/*metabolism ; Serial Passage
    Print ISSN: 0036-8075
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  • 8
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    The taste of carbonation (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-10-17
    Description: Carbonated beverages are commonly available and immensely popular, but little is known about the cellular and molecular mechanisms underlying the perception of carbonation in the mouth. In mammals, carbonation elicits both somatosensory and chemosensory responses, including activation of taste neurons. We have identified the cellular and molecular substrates for the taste of carbonation. By targeted genetic ablation and the silencing of synapses in defined populations of taste receptor cells, we demonstrated that the sour-sensing cells act as the taste sensors for carbonation, and showed that carbonic anhydrase 4, a glycosylphosphatidylinositol-anchored enzyme, functions as the principal CO2 taste sensor. Together, these studies reveal the basis of the taste of carbonation as well as the contribution of taste cells in the orosensory response to CO2.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3654389/" 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/PMC3654389/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chandrashekar, Jayaram -- Yarmolinsky, David -- von Buchholtz, Lars -- Oka, Yuki -- Sly, William -- Ryba, Nicholas J P -- Zuker, Charles S -- Z01 DE000561-15/Intramural NIH HHS/ -- Z01 DE000561-16/Intramural NIH HHS/ -- ZIA DE000561-17/Intramural NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Oct 16;326(5951):443-5. doi: 10.1126/science.1174601.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Departments of Neurobiology and Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833970" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; Benzolamide/pharmacology ; Bicarbonates/metabolism ; Calcium Channels/metabolism ; Carbon Dioxide/*metabolism ; *Carbonated Beverages ; Carbonic Anhydrase IV/antagonists & inhibitors/genetics/*metabolism ; Carbonic Anhydrase Inhibitors/pharmacology ; Carbonic Anhydrases/metabolism ; Chorda Tympani Nerve/physiology ; Gene Expression Profiling ; Mice ; Mice, Transgenic ; Protons ; Receptors, Cell Surface/metabolism ; Taste/*physiology ; Taste Buds/enzymology/*physiology ; *Taste Perception
    Print ISSN: 0036-8075
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  • 9
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    A single peptide-MHC complex positively selects a diverse and specific CD8 T cell repertoire (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-11-07
    Description: Pathogen recognition by T cells is dependent on their exquisite specificity for self-major histocompatibility complex (MHC) molecules presenting a bound peptide. Although this specificity results from positive and negative selection of developing T cells in the thymus, the relative contribution of these two processes remains controversial. To address the relation between the selecting peptide-MHC complex and the specificity of mature T cells, we generated transgenic mice that express a single peptide-MHC class I complex. We demonstrate that positive selection of CD8 T cells in these mice results in an MHC-specific repertoire. Although selection on a single complex is peptide promiscuous, mature T cells are highly peptide specific. Thus, positive selection imparts MHC and peptide specificity on the peripheral CD8 T cell repertoire.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2828816/" 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/PMC2828816/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Baomei -- Primeau, Tina M -- Myers, Nancy -- Rohrs, Henry W -- Gross, Michael L -- Lybarger, Lonnie -- Hansen, Ted H -- Connolly, Janet M -- 2P41RR000954/RR/NCRR NIH HHS/ -- AI 027568/AI/NIAID NIH HHS/ -- AI 055849/AI/NIAID NIH HHS/ -- P41 GM103422/GM/NIGMS NIH HHS/ -- P41 RR000954/RR/NCRR NIH HHS/ -- P41 RR000954-32S1/RR/NCRR NIH HHS/ -- R01 AI027568/AI/NIAID NIH HHS/ -- R01 AI027568-17/AI/NIAID NIH HHS/ -- R01 AI055849/AI/NIAID NIH HHS/ -- R01 AI055849-05/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):871-4. doi: 10.1126/science.1177627.〈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/19892989" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD8-Positive T-Lymphocytes/*immunology ; Cross Reactions ; Cytotoxicity, Immunologic ; H-2 Antigens/genetics/*immunology ; Lymphocyte Activation ; Major Histocompatibility Complex/*immunology ; Mice ; Mice, Knockout ; Mice, Transgenic ; Ovalbumin/immunology ; Peptides/*immunology ; Protein Multimerization ; Spleen/cytology/immunology ; T-Lymphocytes, Cytotoxic/*immunology ; Thymus Gland/cytology/immunology ; Vesiculovirus/immunology
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  • 10
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    Hematopoietic stem cell gene therapy with a lentiviral vector in X-linked adrenoleukodystrophy (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-11-07
    Description: X-linked adrenoleukodystrophy (ALD) is a severe brain demyelinating disease in boys that is caused by a deficiency in ALD protein, an adenosine triphosphate-binding cassette transporter encoded by the ABCD1 gene. ALD progression can be halted by allogeneic hematopoietic cell transplantation (HCT). We initiated a gene therapy trial in two ALD patients for whom there were no matched donors. Autologous CD34+ cells were removed from the patients, genetically corrected ex vivo with a lentiviral vector encoding wild-type ABCD1, and then re-infused into the patients after they had received myeloablative treatment. Over a span of 24 to 30 months of follow-up, we detected polyclonal reconstitution, with 9 to 14% of granulocytes, monocytes, and T and B lymphocytes expressing the ALD protein. These results strongly suggest that hematopoietic stem cells were transduced in the patients. Beginning 14 to 16 months after infusion of the genetically corrected cells, progressive cerebral demyelination in the two patients stopped, a clinical outcome comparable to that achieved by allogeneic HCT. Thus, lentiviral-mediated gene therapy of hematopoietic stem cells can provide clinical benefits in ALD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cartier, Nathalie -- Hacein-Bey-Abina, Salima -- Bartholomae, Cynthia C -- Veres, Gabor -- Schmidt, Manfred -- Kutschera, Ina -- Vidaud, Michel -- Abel, Ulrich -- Dal-Cortivo, Liliane -- Caccavelli, Laure -- Mahlaoui, Nizar -- Kiermer, Veronique -- Mittelstaedt, Denice -- Bellesme, Celine -- Lahlou, Najiba -- Lefrere, Francois -- Blanche, Stephane -- Audit, Muriel -- Payen, Emmanuel -- Leboulch, Philippe -- l'Homme, Bruno -- Bougneres, Pierre -- Von Kalle, Christof -- Fischer, Alain -- Cavazzana-Calvo, Marina -- Aubourg, Patrick -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):818-23. doi: 10.1126/science.1171242.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM UMR745, University Paris-Descartes, 75279 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892975" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/*genetics ; Adrenoleukodystrophy/genetics/pathology/*therapy ; Animals ; Brain/pathology ; Cell Differentiation ; Cell Lineage ; Child ; Disease Progression ; Fatty Acids/blood ; Female ; Gene Expression ; *Genetic Therapy ; *Genetic Vectors ; HIV-1/*genetics ; Hematopoiesis ; *Hematopoietic Stem Cell Transplantation ; Hematopoietic Stem Cells/*physiology/virology ; Humans ; Leukocytes, Mononuclear/metabolism ; Male ; Mice ; Microglia/cytology/metabolism ; Myeloablative Agonists/therapeutic use ; Transduction, Genetic ; Transplantation Conditioning ; Transplantation, Autologous ; Virus Integration
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  • 11
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    Function of mitochondrial Stat3 in cellular respiration (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-10
    Description: Cytokines such as interleukin-6 induce tyrosine and serine phosphorylation of Stat3 that results in activation of Stat3-responsive genes. We provide evidence that Stat3 is present in the mitochondria of cultured cells and primary tissues, including the liver and heart. In Stat3(-/-) cells, the activities of complexes I and II of the electron transport chain (ETC) were significantly decreased. We identified Stat3 mutants that selectively restored the protein's function as a transcription factor or its functions within the ETC. In mice that do not express Stat3 in the heart, there were also selective defects in the activities of complexes I and II of the ETC. These data indicate that Stat3 is required for optimal function of the ETC, which may allow it to orchestrate responses to cellular homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2758306/" 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/PMC2758306/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wegrzyn, Joanna -- Potla, Ramesh -- Chwae, Yong-Joon -- Sepuri, Naresh B V -- Zhang, Qifang -- Koeck, Thomas -- Derecka, Marta -- Szczepanek, Karol -- Szelag, Magdalena -- Gornicka, Agnieszka -- Moh, Akira -- Moghaddas, Shadi -- Chen, Qun -- Bobbili, Santha -- Cichy, Joanna -- Dulak, Jozef -- Baker, Darren P -- Wolfman, Alan -- Stuehr, Dennis -- Hassan, Medhat O -- Fu, Xin-Yuan -- Avadhani, Narayan -- Drake, Jennifer I -- Fawcett, Paul -- Lesnefsky, Edward J -- Larner, Andrew C -- CA098924/CA/NCI NIH HHS/ -- P01AG15885/AG/NIA NIH HHS/ -- R01 AI059710/AI/NIAID NIH HHS/ -- R01 AI059710-03/AI/NIAID NIH HHS/ -- R01 AI059710-04/AI/NIAID NIH HHS/ -- R01 CA098924/CA/NCI NIH HHS/ -- R01 CA098924-03/CA/NCI NIH HHS/ -- R01 CA098924-04/CA/NCI NIH HHS/ -- R01 CA098924-05/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):793-7. doi: 10.1126/science.1164551. Epub 2009 Jan 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology and Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Respiration ; Cells, Cultured ; Electron Transport Complex I/metabolism ; Electron Transport Complex II/metabolism ; Homeostasis ; Mice ; Mitochondria/*metabolism ; Mitochondria, Heart/metabolism ; Mitochondria, Liver/metabolism ; Mitochondrial Membranes/metabolism ; NADH, NADPH Oxidoreductases/metabolism ; Oxidative Phosphorylation ; Phosphorylation ; Precursor Cells, B-Lymphoid/metabolism ; STAT3 Transcription Factor/chemistry/*metabolism ; Serine/metabolism ; Signal Transduction
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  • 12
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    Plant biology. Stressed out over a stress hormone (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 May 22;324(5930):1012-3. doi: 10.1126/science.324_1012.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19460982" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*metabolism ; Arabidopsis/genetics/metabolism ; Arabidopsis Proteins/metabolism ; Genes, Plant ; Phosphoprotein Phosphatases/metabolism ; Plant Proteins/*metabolism ; Plants/genetics/*metabolism ; Protein Binding ; Signal Transduction ; Stress, Physiological
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  • 13
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    Structure of P-glycoprotein reveals a molecular basis for poly-specific drug binding (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-28
    Description: P-glycoprotein (P-gp) detoxifies cells by exporting hundreds of chemically unrelated toxins but has been implicated in multidrug resistance (MDR) in the treatment of cancers. Substrate promiscuity is a hallmark of P-gp activity, thus a structural description of poly-specific drug-binding is important for the rational design of anticancer drugs and MDR inhibitors. The x-ray structure of apo P-gp at 3.8 angstroms reveals an internal cavity of approximately 6000 angstroms cubed with a 30 angstrom separation of the two nucleotide-binding domains. Two additional P-gp structures with cyclic peptide inhibitors demonstrate distinct drug-binding sites in the internal cavity capable of stereoselectivity that is based on hydrophobic and aromatic interactions. Apo and drug-bound P-gp structures have portals open to the cytoplasm and the inner leaflet of the lipid bilayer for drug entry. The inward-facing conformation represents an initial stage of the transport cycle that is competent for drug binding.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2720052/" 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/PMC2720052/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aller, Stephen G -- Yu, Jodie -- Ward, Andrew -- Weng, Yue -- Chittaboina, Srinivas -- Zhuo, Rupeng -- Harrell, Patina M -- Trinh, Yenphuong T -- Zhang, Qinghai -- Urbatsch, Ina L -- Chang, Geoffrey -- F32 GM078914/GM/NIGMS NIH HHS/ -- F32 GM078914-03/GM/NIGMS NIH HHS/ -- GM073197/GM/NIGMS NIH HHS/ -- GM078914/GM/NIGMS NIH HHS/ -- GM61905/GM/NIGMS NIH HHS/ -- P50 GM073197/GM/NIGMS NIH HHS/ -- P50 GM073197-050002/GM/NIGMS NIH HHS/ -- R01 GM061905/GM/NIGMS NIH HHS/ -- R01 GM061905-09/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1718-22. doi: 10.1126/science.1168750.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Scripps Research Institute, 10550 North Torrey Pines Road, CB105, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325113" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Animals ; Apoproteins/chemistry/metabolism ; Binding Sites ; Cell Membrane/chemistry ; Crystallography, X-Ray ; Hydrophobic and Hydrophilic Interactions ; Lipid Bilayers/chemistry ; Mice ; Models, Molecular ; Molecular Sequence Data ; P-Glycoprotein/antagonists & inhibitors/*chemistry/*metabolism ; Peptides, Cyclic/*chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Stereoisomerism ; Verapamil/metabolism/pharmacology
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  • 14
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    Neuroscience. Went fishing, caught a snake (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meijer, Dies -- New York, N.Y. -- Science. 2009 Sep 11;325(5946):1353-4. doi: 10.1126/science.1180103.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology and Genetics, ErasmusMC, 3000 CA Rotterdam, Netherlands. d.meijer@erasmusmc.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19745142" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cyclic AMP/*metabolism ; Cyclic AMP-Dependent Protein Kinases/metabolism ; Homeodomain Proteins/genetics/metabolism ; Myelin Sheath/*physiology ; NF-kappa B/metabolism ; Octamer Transcription Factor-6/genetics/metabolism ; POU Domain Factors/genetics/metabolism ; Receptors, G-Protein-Coupled/genetics/*metabolism ; Schwann Cells/*metabolism ; Signal Transduction ; Transcription Factors/metabolism ; Zebrafish/genetics/*metabolism ; Zebrafish Proteins/genetics/*metabolism
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  • 15
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    Pulsatile stimulation determines timing and specificity of NF-kappaB-dependent transcription (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-11
    Description: The nuclear factor kappaB (NF-kappaB) transcription factor regulates cellular stress responses and the immune response to infection. NF-kappaB activation results in oscillations in nuclear NF-kappaB abundance. To define the function of these oscillations, we treated cells with repeated short pulses of tumor necrosis factor-alpha at various intervals to mimic pulsatile inflammatory signals. At all pulse intervals that were analyzed, we observed synchronous cycles of NF-kappaB nuclear translocation. Lower frequency stimulations gave repeated full-amplitude translocations, whereas higher frequency pulses gave reduced translocation, indicating a failure to reset. Deterministic and stochastic mathematical models predicted how negative feedback loops regulate both the resetting of the system and cellular heterogeneity. Altering the stimulation intervals gave different patterns of NF-kappaB-dependent gene expression, which supports the idea that oscillation frequency has a functional role.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2785900/" 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/PMC2785900/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ashall, Louise -- Horton, Caroline A -- Nelson, David E -- Paszek, Pawel -- Harper, Claire V -- Sillitoe, Kate -- Ryan, Sheila -- Spiller, David G -- Unitt, John F -- Broomhead, David S -- Kell, Douglas B -- Rand, David A -- See, Violaine -- White, Michael R H -- BB/C007158/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/C008219/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/C520471/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/D010748/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E004210/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E012965/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/F005938/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC0071581/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC0082191/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC5204711/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBD0107481/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBF0059381/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0500346/Medical Research Council/United Kingdom -- G0500346(73596)/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):242-6. doi: 10.1126/science.1164860.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Cell Imaging, School of Biological Sciences, Bioscience Research Building, Crown Street, Liverpool, L69 7ZB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359585" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Animals ; Cell Line ; Cell Line, Tumor ; Cell Nucleus/metabolism ; Cytoplasm/metabolism ; Feedback, Physiological ; *Gene Expression ; Humans ; I-kappa B Proteins/metabolism ; Mice ; Models, Biological ; Models, Statistical ; NF-kappa B/*metabolism ; Phosphorylation ; Recombinant Fusion Proteins/metabolism ; Stochastic Processes ; Transcription Factor RelA/*metabolism ; *Transcription, Genetic ; Transfection ; Tumor Necrosis Factor-alpha/*metabolism
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    Synchronous hyperactivity and intercellular calcium waves in astrocytes in Alzheimer mice (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-03-03
    Description: Although senile plaques focally disrupt neuronal health, the functional response of astrocytes to Alzheimer's disease pathology is unknown. Using multiphoton fluorescence lifetime imaging microscopy in vivo, we quantitatively imaged astrocytic calcium homeostasis in a mouse model of Alzheimer's disease. Resting calcium was globally elevated in the astrocytic network, but was independent of proximity to individual plaques. Time-lapse imaging revealed that calcium transients in astrocytes were more frequent, synchronously coordinated across long distances, and uncoupled from neuronal activity. Furthermore, rare intercellular calcium waves were observed, but only in mice with amyloid-beta plaques, originating near plaques and spreading radially at least 200 micrometers. Thus, although neurotoxicity is observed near amyloid-beta deposits, there exists a more general astrocyte-based network response to focal pathology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884172/" 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/PMC2884172/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuchibhotla, Kishore V -- Lattarulo, Carli R -- Hyman, Bradley T -- Bacskai, Brian J -- EB000768/EB/NIBIB NIH HHS/ -- F31 NS058075-02/NS/NINDS NIH HHS/ -- NS580752/NS/NINDS NIH HHS/ -- R01 AG008487/AG/NIA NIH HHS/ -- R01 AG008487-19/AG/NIA NIH HHS/ -- R01 EB000768/EB/NIBIB NIH HHS/ -- R01 EB000768-08/EB/NIBIB NIH HHS/ -- S10 RR025645/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 27;323(5918):1211-5. doi: 10.1126/science.1169096.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts General Hospital, Department of Neurology/Alzheimer's Disease Research Laboratory, 114 16th Street, Charlestown, MA 02129, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19251629" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/pathology/*physiopathology ; Amyloid beta-Peptides/analysis ; Animals ; Astrocytes/metabolism/pathology/*physiology ; Calcium/*metabolism ; *Calcium Signaling ; Disease Models, Animal ; Homeostasis ; Humans ; Mice ; Mice, Transgenic ; Microscopy, Fluorescence, Multiphoton ; Neurons/pathology/physiology ; Plaque, Amyloid/pathology
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  • 17
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    Innate and adaptive immunity cooperate flexibly to maintain host-microbiota mutualism (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-08-01
    Description: Commensal bacteria in the lower intestine of mammals are 10 times as numerous as the body's cells. We investigated the relative importance of different immune mechanisms in limiting the spread of the intestinal microbiota. Here, we reveal a flexible continuum between innate and adaptive immune function in containing commensal microbes. Mice deficient in critical innate immune functions such as Toll-like receptor signaling or oxidative burst production spontaneously produce high-titer serum antibodies against their commensal microbiota. These antibody responses are functionally essential to maintain host-commensal mutualism in vivo in the face of innate immune deficiency. Spontaneous hyper-activation of adaptive immunity against the intestinal microbiota, secondary to innate immune deficiency, may clarify the underlying mechanisms of inflammatory diseases where immune dysfunction is implicated.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3730530/" 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/PMC3730530/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slack, Emma -- Hapfelmeier, Siegfried -- Stecher, Barbel -- Velykoredko, Yuliya -- Stoel, Maaike -- Lawson, Melissa A E -- Geuking, Markus B -- Beutler, Bruce -- Tedder, Thomas F -- Hardt, Wolf-Dietrich -- Bercik, Premysl -- Verdu, Elena F -- McCoy, Kathy D -- Macpherson, Andrew J -- AI56363/AI/NIAID NIH HHS/ -- CA105001/CA/NCI NIH HHS/ -- R01 CA105001/CA/NCI NIH HHS/ -- U19 AI056363/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 31;325(5940):617-20. doi: 10.1126/science.1172747.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON L8S 4L8, Canada. andrew.macpherson@insel.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19644121" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Bacterial/biosynthesis/blood/*immunology ; Bacteremia/immunology/microbiology ; Bacteria/growth & development/*immunology/isolation & purification ; Bacterial Infections/immunology/microbiology ; CD4-Positive T-Lymphocytes/immunology ; Colony Count, Microbial ; Enterococcus faecalis/growth & development/immunology/isolation & purification ; Escherichia coli K12/growth & development/immunology/isolation & purification ; Germ-Free Life ; Immunity ; *Immunity, Innate ; Intestinal Mucosa/immunology/*microbiology ; Intestines/immunology/*microbiology ; Lymphoid Tissue/microbiology ; Mice ; Mice, Inbred C57BL ; Permeability ; Respiratory Burst ; Signal Transduction ; Specific Pathogen-Free Organisms ; Spleen/microbiology ; Toll-Like Receptors/genetics/*metabolism
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  • 18
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    Stress-inducible regulation of heat shock factor 1 by the deacetylase SIRT1 (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-02-21
    Description: Heat shock factor 1 (HSF1) is essential for protecting cells from protein-damaging stress associated with misfolded proteins and regulates the insulin-signaling pathway and aging. Here, we show that human HSF1 is inducibly acetylated at a critical residue that negatively regulates DNA binding activity. Activation of the deacetylase and longevity factor SIRT1 prolonged HSF1 binding to the heat shock promoter Hsp70 by maintaining HSF1 in a deacetylated, DNA-binding competent state. Conversely, down-regulation of SIRT1 accelerated the attenuation of the heat shock response (HSR) and release of HSF1 from its cognate promoter elements. These results provide a mechanistic basis for the requirement of HSF1 in the regulation of life span and establish a role for SIRT1 in protein homeostasis and the HSR.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3429349/" 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/PMC3429349/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Westerheide, Sandy D -- Anckar, Julius -- Stevens, Stanley M Jr -- Sistonen, Lea -- Morimoto, Richard I -- R01 AG026647/AG/NIA NIH HHS/ -- R01 AG026647-01/AG/NIA NIH HHS/ -- R01 AG026647-02/AG/NIA NIH HHS/ -- R01 AG026647-03/AG/NIA NIH HHS/ -- R01 AG026647-04/AG/NIA NIH HHS/ -- R01 GM038109/GM/NIGMS NIH HHS/ -- R37 GM038109/GM/NIGMS NIH HHS/ -- R37 GM038109-19/GM/NIGMS NIH HHS/ -- R37 GM038109-20/GM/NIGMS NIH HHS/ -- R37 GM038109-21/GM/NIGMS NIH HHS/ -- R37 GM038109-22/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):1063-6. doi: 10.1126/science.1165946.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Molecular Biology and Cell Biology, Rice Institute for Biomedical Research, Northwestern University, Evanston, IL, 60208, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19229036" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Amino Acid Sequence ; Animals ; Cell Aging/*physiology ; Chromatin Immunoprecipitation ; DNA/metabolism ; DNA-Binding Proteins/*metabolism ; Down-Regulation ; HSP70 Heat-Shock Proteins/*genetics ; HeLa Cells ; *Heat-Shock Response ; Homeostasis ; Humans ; Mice ; Molecular Sequence Data ; *Promoter Regions, Genetic ; RNA, Small Interfering ; Sirtuin 1 ; Sirtuins/genetics/*metabolism ; *Stress, Psychological ; Transcription Factors/*metabolism ; Transfection
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  • 19
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    Reversal of RNA dominance by displacement of protein sequestered on triplet repeat RNA (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-07-18
    Description: Genomic expansions of simple tandem repeats can give rise to toxic RNAs that contain expanded repeats. In myotonic dystrophy, the expression of expanded CUG repeats (CUGexp) causes abnormal regulation of alternative splicing and neuromuscular dysfunction. We used a transgenic mouse model to show that derangements of myotonic dystrophy are reversed by a morpholino antisense oligonucleotide, CAG25, that binds to CUGexp RNA and blocks its interaction with muscleblind-like 1 (MBNL1), a CUGexp-binding protein. CAG25 disperses nuclear foci of CUGexp RNA and reduces the overall burden of this toxic RNA. As MBNL1 is released from sequestration, the defect of alternative splicing regulation is corrected, thereby restoring ion channel function. These findings suggest an alternative use of antisense methods, to inhibit deleterious interactions of proteins with pathogenic RNAs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4109973/" 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/PMC4109973/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wheeler, Thurman M -- Sobczak, Krzysztof -- Lueck, John D -- Osborne, Robert J -- Lin, Xiaoyan -- Dirksen, Robert T -- Thornton, Charles A -- AR/NS48143/AR/NIAMS NIH HHS/ -- AR046806/AR/NIAMS NIH HHS/ -- K08 NS064293/NS/NINDS NIH HHS/ -- K24 AR048143/AR/NIAMS NIH HHS/ -- NIDCR-T32DE07202/DE/NIDCR NIH HHS/ -- R01 AR046806/AR/NIAMS NIH HHS/ -- R01 AR049077/AR/NIAMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 17;325(5938):336-9. doi: 10.1126/science.1173110.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Neurology, Pharmacology and Physiology, University of Rochester, Rochester, NY 14642, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19608921" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions/genetics/*metabolism ; Actins/genetics ; Alternative Splicing ; Animals ; Cell Line ; Cell Nucleus/metabolism ; Chloride Channels/metabolism ; DNA-Binding Proteins/*metabolism ; Humans ; Mice ; Mice, Knockout ; Mice, Transgenic ; Myotonic Dystrophy/*drug therapy/*genetics/metabolism ; Myotonin-Protein Kinase ; Oligodeoxyribonucleotides, Antisense/*pharmacology/therapeutic use ; Protein-Serine-Threonine Kinases/genetics ; RNA, Messenger/genetics ; RNA-Binding Proteins/*metabolism ; Transcription, Genetic ; *Trinucleotide Repeat Expansion
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Diversity and complexity in DNA recognition by transcription factors (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-16
    Description: Sequence preferences of DNA binding proteins are a primary mechanism by which cells interpret the genome. Despite the central importance of these proteins in physiology, development, and evolution, comprehensive DNA binding specificities have been determined experimentally for only a few proteins. Here, we used microarrays containing all 10-base pair sequences to examine the binding specificities of 104 distinct mouse DNA binding proteins representing 22 structural classes. Our results reveal a complex landscape of binding, with virtually every protein analyzed possessing unique preferences. Roughly half of the proteins each recognized multiple distinctly different sequence motifs, challenging our molecular understanding of how proteins interact with their DNA binding sites. This complexity in DNA recognition may be important in gene regulation and in the evolution of transcriptional regulatory networks.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905877/" 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/PMC2905877/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Badis, Gwenael -- Berger, Michael F -- Philippakis, Anthony A -- Talukder, Shaheynoor -- Gehrke, Andrew R -- Jaeger, Savina A -- Chan, Esther T -- Metzler, Genita -- Vedenko, Anastasia -- Chen, Xiaoyu -- Kuznetsov, Hanna -- Wang, Chi-Fong -- Coburn, David -- Newburger, Daniel E -- Morris, Quaid -- Hughes, Timothy R -- Bulyk, Martha L -- R01 HG003985/HG/NHGRI NIH HHS/ -- R01 HG003985-01/HG/NHGRI NIH HHS/ -- R01 HG003985-02/HG/NHGRI NIH HHS/ -- R01 HG003985-03/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1720-3. doi: 10.1126/science.1162327. Epub 2009 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Toronto, ON M5S 3E1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443739" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; DNA/chemistry/*metabolism ; Electrophoretic Mobility Shift Assay ; Gene Expression Regulation ; Gene Regulatory Networks ; Humans ; Mice ; Protein Array Analysis ; Protein Binding ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/chemistry/metabolism ; Transcription Factors/*chemistry/*metabolism
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  • 21
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    IL-21R on T cells is critical for sustained functionality and control of chronic viral infection (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-30
    Description: Chronic viral infection is often associated with the dysfunction of virus-specific T cells. Our studies using Il21r-deficient (Il21r-/-) mice now suggest that interleukin-21 (IL-21) is critical for the long-term maintenance and functionality of CD8+ T cells and the control of chronic lymphocytic choriomeningitis virus infection in mice. Cell-autonomous IL-21 receptor (IL-21R)-dependent signaling by CD8+ T cells was required for sustained cell proliferation and cytokine production during chronic infection. Il21r-/- mice showed normal CD8+ T cell expansion, effector function, memory homeostasis, and recall responses during acute and after resolved infection with several other nonpersistent viruses. These data suggest that IL-21R signaling is required for the maintenance of polyfunctional T cells during chronic viral infections and have implications for understanding the immune response to other persisting antigens, such as tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frohlich, Anja -- Kisielow, Jan -- Schmitz, Iwana -- Freigang, Stefan -- Shamshiev, Abdijapar T -- Weber, Jacqueline -- Marsland, Benjamin J -- Oxenius, Annette -- Kopf, Manfred -- New York, N.Y. -- Science. 2009 Jun 19;324(5934):1576-80. doi: 10.1126/science.1172815. Epub 2009 May 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Biomedicine, Institute of Integrative Biology, ETH Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19478140" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD8-Positive T-Lymphocytes/*immunology ; Chronic Disease ; Humans ; Immunologic Memory ; Interferon-gamma/biosynthesis ; Lymphocytic Choriomeningitis/*immunology ; Mice ; Mice, Inbred C57BL ; Peptide Fragments/biosynthesis ; Receptors, Interleukin-21/*immunology ; Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Cell biology. Connecting organelles (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wiedemann, Nils -- Meisinger, Chris -- Pfanner, Nikolaus -- New York, N.Y. -- Science. 2009 Jul 24;325(5939):403-4. doi: 10.1126/science.1178016.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Biochemie und Molekularbiologie, Zentrum fur Biochemie und Molekulare Zellforschung and Centre for Biological Signalling Studies, Universitat Freiburg, 79104 Freiburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19628848" target="_blank"〉PubMed〈/a〉
    Keywords: Endoplasmic Reticulum/*physiology/ultrastructure ; Membrane Proteins/genetics/*physiology ; Mitochondria/*physiology/ultrastructure ; Mitochondrial Proteins/genetics/*physiology ; Signal Transduction ; Yeasts
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    HDAC4 regulates neuronal survival in normal and diseased retinas (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-10
    Description: Histone deacetylase 4 (HDAC4) shuttles between the nucleus and cytoplasm and serves as a nuclear co-repressor that regulates bone and muscle development. We report that HDAC4 regulates the survival of retinal neurons in the mouse in normal and pathological conditions. Reduction in HDAC4 expression during normal retinal development led to apoptosis of rod photoreceptors and bipolar (BP) interneurons, whereas overexpression reduced naturally occurring cell death of the BP cells. HDAC4 overexpression in a mouse model of retinal degeneration prolonged photoreceptor survival. The survival effect was due to the activity of HDAC4 in the cytoplasm and relied at least partly on the activity of hypoxia-inducible factor 1alpha (HIF1alpha). These data provide evidence that HDAC4 plays an important role in promoting the survival of retinal neurons.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3339762/" 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/PMC3339762/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Bo -- Cepko, Constance L -- EYO 14466/PHS HHS/ -- R01 EY014466/EY/NEI NIH HHS/ -- R01 EY014466-05/EY/NEI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Jan 9;323(5911):256-9. doi: 10.1126/science.1166226.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Howard Hughes Medical Institute, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA. bochen@genetics.med.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131628" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Apoptosis ; Cell Nucleus/enzymology ; Cell Survival ; Cytoplasm/enzymology ; Electroporation ; Histone Deacetylases/genetics/*metabolism ; Hypoxia-Inducible Factor 1, alpha Subunit/metabolism ; Mice ; Mutation ; Retina/cytology/*enzymology ; Retinal Degeneration/*enzymology/pathology ; Retinal Neurons/enzymology/*physiology ; Retinal Rod Photoreceptor Cells/enzymology/*physiology ; Rhodopsin/genetics/metabolism ; Transfection
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    A frazzled/DCC-dependent transcriptional switch regulates midline axon guidance (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-03-28
    Description: Precise wiring of the nervous system depends on coordinating the action of conserved families of proteins that direct axons to their appropriate targets. Slit-roundabout repulsion and netrin-deleted in colorectal cancer (DCC) (frazzled) attraction must be tightly regulated to control midline axon guidance in vertebrates and invertebrates, but the mechanism mediating this regulation is poorly defined. Here, we show that the Fra receptor has two genetically separable functions in regulating midline guidance in Drosophila. First, Fra mediates canonical chemoattraction in response to netrin, and, second, it functions independently of netrin to activate commissureless transcription, allowing attraction to be coupled to the down-regulation of repulsion in precrossing commissural axons.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4078765/" 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/PMC4078765/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Long -- Garbe, David S -- Bashaw, Greg J -- NS046333/NS/NINDS NIH HHS/ -- NS054739/NS/NINDS NIH HHS/ -- R01 NS046333/NS/NINDS NIH HHS/ -- R01 NS046333-07/NS/NINDS NIH HHS/ -- R01 NS054739/NS/NINDS NIH HHS/ -- R01 NS054739-03/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 May 15;324(5929):944-7. doi: 10.1126/science.1171320. Epub 2009 Mar 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, University of Pennsylvania School of Medicine, 1113 BRB2/3, 421 Curie Boulevard, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325078" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology ; Drosophila Proteins/*genetics/metabolism ; Drosophila melanogaster/embryology/*genetics/metabolism ; *Gene Expression Regulation, Developmental ; Membrane Proteins/*genetics/metabolism ; Mutation ; Nerve Growth Factors/metabolism ; Nerve Tissue Proteins/genetics/metabolism ; Nervous System/embryology/growth & development ; Neurons/*physiology ; RNA, Messenger/genetics/metabolism ; Receptors, Cell Surface/genetics/*metabolism ; Receptors, Immunologic/genetics ; Signal Transduction ; Transcription, Genetic ; *Transcriptional Activation
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    S-nitrosylation of Drp1 mediates beta-amyloid-related mitochondrial fission and neuronal injury (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-04-04
    Description: Mitochondria continuously undergo two opposing processes, fission and fusion. The disruption of this dynamic equilibrium may herald cell injury or death and may contribute to developmental and neurodegenerative disorders. Nitric oxide functions as a signaling molecule, but in excess it mediates neuronal injury, in part via mitochondrial fission or fragmentation. However, the underlying mechanism for nitric oxide-induced pathological fission remains unclear. We found that nitric oxide produced in response to beta-amyloid protein, thought to be a key mediator of Alzheimer's disease, triggered mitochondrial fission, synaptic loss, and neuronal damage, in part via S-nitrosylation of dynamin-related protein 1 (forming SNO-Drp1). Preventing nitrosylation of Drp1 by cysteine mutation abrogated these neurotoxic events. SNO-Drp1 is increased in brains of human Alzheimer's disease patients and may thus contribute to the pathogenesis of neurodegeneration.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2823371/" 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/PMC2823371/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Dong-Hyung -- Nakamura, Tomohiro -- Fang, Jianguo -- Cieplak, Piotr -- Godzik, Adam -- Gu, Zezong -- Lipton, Stuart A -- P01 ES016738/ES/NIEHS NIH HHS/ -- P01 ES016738-01/ES/NIEHS NIH HHS/ -- P01 ES016738-010003/ES/NIEHS NIH HHS/ -- P01 ES016738-02/ES/NIEHS NIH HHS/ -- P01 ES016738-020003/ES/NIEHS NIH HHS/ -- P01 HD029587/HD/NICHD NIH HHS/ -- P01 HD029587-16/HD/NICHD NIH HHS/ -- P01 HD29587/HD/NICHD NIH HHS/ -- P30 NS057096/NS/NINDS NIH HHS/ -- P30 NS057096-04/NS/NINDS NIH HHS/ -- R01 EY005477/EY/NEI NIH HHS/ -- R01 EY005477-25/EY/NEI NIH HHS/ -- R01 EY05477/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 3;324(5923):102-5. doi: 10.1126/science.1171091.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neuroscience, Aging, and Stem Cell Research, Burnham Institute for Medical Research, 10901 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/19342591" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/metabolism/pathology ; Amino Acid Motifs ; Amyloid beta-Peptides/*metabolism/pharmacology ; Animals ; Cell Line ; Cell Line, Tumor ; Cerebral Cortex/cytology ; Cysteine/analogs & derivatives/genetics/metabolism/pharmacology ; Female ; GTP Phosphohydrolases/chemistry/*metabolism ; Humans ; Male ; Mice ; Mice, Transgenic ; Microtubule-Associated Proteins/chemistry/*metabolism ; Mitochondria/drug effects/physiology/*ultrastructure ; Mitochondrial Proteins/chemistry/*metabolism ; Models, Molecular ; Mutation ; Neurons/drug effects/*ultrastructure ; Nitric Oxide/*metabolism ; Peptide Fragments/metabolism/pharmacology ; Protein Multimerization ; Protein Structure, Tertiary ; S-Nitrosothiols/pharmacology
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    Neuroscience. Enzyme lets you enjoy the bubbly (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2009 Oct 16;326(5951):349. doi: 10.1126/science.326_349a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833928" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbon Dioxide/*metabolism ; *Carbonated Beverages ; Carbonic Anhydrase IV/antagonists & inhibitors/genetics/*metabolism ; Carbonic Anhydrase Inhibitors/pharmacology ; Humans ; Mechanoreceptors/physiology ; Mice ; Protons ; Taste Buds/cytology/*enzymology/physiology ; *Taste Perception
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  • 27
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    Regulation of neuronal survival factor MEF2D by chaperone-mediated autophagy (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-01-03
    Description: Chaperone-mediated autophagy controls the degradation of selective cytosolic proteins and may protect neurons against degeneration. In a neuronal cell line, we found that chaperone-mediated autophagy regulated the activity of myocyte enhancer factor 2D (MEF2D), a transcription factor required for neuronal survival. MEF2D was observed to continuously shuttle to the cytoplasm, interact with the chaperone Hsc70, and undergo degradation. Inhibition of chaperone-mediated autophagy caused accumulation of inactive MEF2D in the cytoplasm. MEF2D levels were increased in the brains of alpha-synuclein transgenic mice and patients with Parkinson's disease. Wild-type alpha-synuclein and a Parkinson's disease-associated mutant disrupted the MEF2D-Hsc70 binding and led to neuronal death. Thus, chaperone-mediated autophagy modulates the neuronal survival machinery, and dysregulation of this pathway is associated with Parkinson's disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2666000/" 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/PMC2666000/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Qian -- She, Hua -- Gearing, Marla -- Colla, Emanuela -- Lee, Michael -- Shacka, John J -- Mao, Zixu -- AG023695/AG/NIA NIH HHS/ -- NS038065/NS/NINDS NIH HHS/ -- NS048254/NS/NINDS NIH HHS/ -- NS055077/NS/NINDS NIH HHS/ -- NS47466/NS/NINDS NIH HHS/ -- NS57098/NS/NINDS NIH HHS/ -- P30 NS055077/NS/NINDS NIH HHS/ -- P30 NS055077-01A2/NS/NINDS NIH HHS/ -- P50 AG025688/AG/NIA NIH HHS/ -- P50 AG025688-03/AG/NIA NIH HHS/ -- R01 AG023695/AG/NIA NIH HHS/ -- R01 AG023695-02/AG/NIA NIH HHS/ -- R01 AG023695-03/AG/NIA NIH HHS/ -- R01 AG023695-04/AG/NIA NIH HHS/ -- R01 AG023695-05/AG/NIA NIH HHS/ -- R01 NS048254/NS/NINDS NIH HHS/ -- R01 NS048254-02/NS/NINDS NIH HHS/ -- R01 NS048254-03/NS/NINDS NIH HHS/ -- R01 NS048254-04/NS/NINDS NIH HHS/ -- R01 NS048254-05/NS/NINDS NIH HHS/ -- R01 NS048254-06/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 Jan 2;323(5910):124-7. doi: 10.1126/science.1166088.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Emory University School of Medicine, Atlanta, GA 30322, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19119233" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Ammonium Chloride/pharmacology ; Animals ; *Autophagy ; Brain/metabolism ; Cell Line ; Cell Nucleus/metabolism ; Cell Survival ; Cytoplasm/metabolism ; DNA/metabolism ; HSC70 Heat-Shock Proteins/metabolism ; Lysosomal-Associated Membrane Protein 2/metabolism ; Lysosomes/metabolism ; MADS Domain Proteins/*metabolism ; MEF2 Transcription Factors ; Mice ; Mice, Transgenic ; Molecular Chaperones/*metabolism ; Myogenic Regulatory Factors/chemistry/*metabolism ; Neurons/cytology/*metabolism ; Parkinson Disease/metabolism ; Protein Binding ; Protein Transport ; Rats ; Rats, Long-Evans ; alpha-Synuclein/genetics/metabolism
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    Circadian rhythms. A circadian loop asSIRTs itself (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wijnen, Herman -- R01 GM078339/GM/NIGMS NIH HHS/ -- R01 GM078339-03/GM/NIGMS NIH HHS/ -- R01 GM78839/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 May 1;324(5927):598-9. doi: 10.1126/science.1174132.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Virginia, Charlottesville, VA 22904, USA. hw9u@virginai.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19407188" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Acetylation ; Acrylamides/pharmacology ; Animals ; Basic Helix-Loop-Helix Transcription Factors/genetics/metabolism ; *Biological Clocks ; CLOCK Proteins ; *Circadian Rhythm ; Cytokines/antagonists & inhibitors/genetics/*metabolism ; *Feedback, Physiological ; Gene Expression Regulation ; Mice ; Mutation ; NAD/*metabolism ; Nicotinamide Phosphoribosyltransferase/antagonists & ; inhibitors/genetics/*metabolism ; Piperidines/pharmacology ; Sirtuin 1 ; Sirtuins/*metabolism ; Trans-Activators/genetics/metabolism ; Transcription Factors/genetics/metabolism ; Transcription, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A spindle assembly checkpoint protein functions in prophase I arrest and prometaphase progression (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-08
    Description: Two critical stages of mammalian oocyte regulation are prophase I arrest, which is important for sustaining the oocyte pool, and the progression through meiosis I (MI) to produce fertilizable eggs. We have found that the spindle assembly checkpoint protein BubR1 regulates both stages in mouse oocytes. We show that oocytes depleted of BubR1 cannot sustain prophase I arrest and readily undergo germinal vesicle breakdown, a marker for reentry into MI. BubR1-depleted oocytes then arrest before completing MI, marked by failure of polar body extrusion. Both meiotic defects in BubR1-depleted oocytes are due to reduced activity of the master regulator known as the anaphase-promoting complex (APC), brought about through diminished levels of the APC coactivator Cdh1.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3428834/" 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/PMC3428834/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Homer, Hayden -- Gui, Liming -- Carroll, John -- 082587/Wellcome Trust/United Kingdom -- 082587/Z/07/Z/Wellcome Trust/United Kingdom -- G0400530/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Nov 13;326(5955):991-4. doi: 10.1126/science.1175326.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oocyte and Embryo Research Laboratory, Department of Cell and Developmental Biology, Division of Biosciences and Institute for Women's Health, University College London, London, UK. h.homer@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965510" target="_blank"〉PubMed〈/a〉
    Keywords: Anaphase-Promoting Complex-Cyclosome ; Animals ; Carrier Proteins/metabolism ; Cdc20 Proteins ; Cdh1 Proteins ; Cell Cycle Proteins/metabolism ; Cyclin B1/metabolism ; Female ; Gene Silencing ; Meiosis/*physiology ; Meiotic Prophase I/*physiology ; Mice ; Oocytes/*physiology ; Prometaphase/*physiology/*radiation effects ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Securin ; Ubiquitin-Protein Ligase Complexes/metabolism
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    Effects of genetic perturbation on seasonal life history plasticity (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-01-20
    Description: Like many species, the model plant Arabidopsis thaliana exhibits multiple different life histories in natural environments. We grew mutants impaired in different signaling pathways in field experiments across the species' native European range in order to dissect the mechanisms underlying this variation. Unexpectedly, mutational loss at loci implicated in the cold requirement for flowering had little effect on life history except in late-summer cohorts. A genetically informed photothermal model of progression toward flowering explained most of the observed variation and predicted an abrupt transition from autumn flowering to spring flowering in late-summer germinants. Environmental signals control the timing of this transition, creating a critical window of acute sensitivity to genetic and climatic change that may be common for seasonally regulated life history traits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilczek, Amity M -- Roe, Judith L -- Knapp, Mary C -- Cooper, Martha D -- Lopez-Gallego, Cristina -- Martin, Laura J -- Muir, Christopher D -- Sim, Sheina -- Walker, Alexis -- Anderson, Jillian -- Egan, J Franklin -- Moyers, Brook T -- Petipas, Renee -- Giakountis, Antonis -- Charbit, Erika -- Coupland, George -- Welch, Stephen M -- Schmitt, Johanna -- New York, N.Y. -- Science. 2009 Feb 13;323(5916):930-4. doi: 10.1126/science.1165826. Epub 2009 Jan 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02912, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19150810" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Arabidopsis/*genetics/*growth & development ; Environment ; Flowers/growth & development ; Mutation ; Photoperiod ; Seasons ; Signal Transduction
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    CD24 and Siglec-10 selectively repress tissue damage-induced immune responses (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-03-07
    Description: Patten recognition receptors, which recognize pathogens or components of injured cells (danger), trigger activation of the innate immune system. Whether and how the host distinguishes between danger- versus pathogen-associated molecular patterns remains unresolved. We report that CD24-deficient mice exhibit increased susceptibility to danger- but not pathogen-associated molecular patterns. CD24 associates with high mobility group box 1, heat shock protein 70, and heat shock protein 90; negatively regulates their stimulatory activity; and inhibits nuclear factor kappaB (NF-kappaB) activation. This occurs at least in part through CD24 association with Siglec-10 in humans or Siglec-G in mice. Our results reveal that the CD24-Siglec G pathway protects the host against a lethal response to pathological cell death and discriminates danger- versus pathogen-associated molecular patterns.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2765686/" 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/PMC2765686/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Guo-Yun -- Tang, Jie -- Zheng, Pan -- Liu, Yang -- AI064350/AI/NIAID NIH HHS/ -- CA112001/CA/NCI NIH HHS/ -- CA58033/CA/NCI NIH HHS/ -- R01 AI064350/AI/NIAID NIH HHS/ -- R01 AI064350-04/AI/NIAID NIH HHS/ -- R01 CA058033/CA/NCI NIH HHS/ -- R01 CA058033-16A2/CA/NCI NIH HHS/ -- R01 CA112001/CA/NCI NIH HHS/ -- R01 CA112001-02/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1722-5. doi: 10.1126/science.1168988. Epub 2009 Mar 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Immunotherapy, Department of Surgery, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19264983" target="_blank"〉PubMed〈/a〉
    Keywords: Acetaminophen/toxicity ; Animals ; Antigens, CD24/genetics/*metabolism ; Cytokines/metabolism ; Dendritic Cells/immunology ; HMGB1 Protein/chemistry/immunology/*metabolism ; HSP70 Heat-Shock Proteins/metabolism ; HSP90 Heat-Shock Proteins/metabolism ; Humans ; *Immunity, Innate ; Immunoprecipitation ; Inflammation/*immunology ; Lectins/*metabolism ; Lipopolysaccharides/toxicity ; Liver/immunology/pathology ; Mice ; Mutant Proteins/chemistry/metabolism ; Necrosis/chemically induced/immunology ; Protein Structure, Tertiary ; Protein Tyrosine Phosphatase, Non-Receptor Type 6/metabolism ; Receptors, Antigen, B-Cell/*metabolism ; Receptors, Cell Surface/metabolism ; Receptors, Pattern Recognition/immunology/metabolism ; Signal Transduction ; Transcription Factor RelA/metabolism
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    Mutations in the FUS/TLS gene on chromosome 16 cause familial amyotrophic lateral sclerosis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-03
    Description: Amyotrophic lateral sclerosis (ALS) is a fatal degenerative motor neuron disorder. Ten percent of cases are inherited; most involve unidentified genes. We report here 13 mutations in the fused in sarcoma/translated in liposarcoma (FUS/TLS) gene on chromosome 16 that were specific for familial ALS. The FUS/TLS protein binds to RNA, functions in diverse processes, and is normally located predominantly in the nucleus. In contrast, the mutant forms of FUS/TLS accumulated in the cytoplasm of neurons, a pathology that is similar to that of the gene TAR DNA-binding protein 43 (TDP43), whose mutations also cause ALS. Neuronal cytoplasmic protein aggregation and defective RNA metabolism thus appear to be common pathogenic mechanisms involved in ALS and possibly in other neurodegenerative disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kwiatkowski, T J Jr -- Bosco, D A -- Leclerc, A L -- Tamrazian, E -- Vanderburg, C R -- Russ, C -- Davis, A -- Gilchrist, J -- Kasarskis, E J -- Munsat, T -- Valdmanis, P -- Rouleau, G A -- Hosler, B A -- Cortelli, P -- de Jong, P J -- Yoshinaga, Y -- Haines, J L -- Pericak-Vance, M A -- Yan, J -- Ticozzi, N -- Siddique, T -- McKenna-Yasek, D -- Sapp, P C -- Horvitz, H R -- Landers, J E -- Brown, R H Jr -- New York, N.Y. -- Science. 2009 Feb 27;323(5918):1205-8. doi: 10.1126/science.1166066.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Massachusetts General Hospital, 114 16th Street, Charlestown, MA 02129, USA. tkwiatkowski@partners.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19251627" target="_blank"〉PubMed〈/a〉
    Keywords: Age of Onset ; Amino Acid Substitution ; Amyotrophic Lateral Sclerosis/*genetics/metabolism/pathology ; Animals ; Brain/pathology ; Cell Line, Tumor ; Cell Nucleus/metabolism ; Chromosomes, Human, Pair 16/*genetics ; Cytoplasm/metabolism ; DNA-Binding Proteins/genetics/metabolism ; Exons ; Female ; Humans ; Male ; Mice ; Motor Neurons/chemistry/metabolism/ultrastructure ; Mutant Proteins/chemistry/genetics/metabolism ; *Mutation, Missense ; Neurons/metabolism/ultrastructure ; RNA/metabolism ; RNA-Binding Protein FUS/chemistry/*genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Sequence Analysis, DNA ; Spinal Cord/pathology
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    Smoothened mutation confers resistance to a Hedgehog pathway inhibitor in medulloblastoma (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-09-04
    Description: The Hedgehog (Hh) signaling pathway is inappropriately activated in certain human cancers, including medulloblastoma, an aggressive brain tumor. GDC-0449, a drug that inhibits Hh signaling by targeting the serpentine receptor Smoothened (SMO), has produced promising anti-tumor responses in early clinical studies of cancers driven by mutations in this pathway. To evaluate the mechanism of resistance in a medulloblastoma patient who had relapsed after an initial response to GDC-0449, we determined the mutational status of Hh signaling genes in the tumor after disease progression. We identified an amino acid substitution at a conserved aspartic acid residue of SMO that had no effect on Hh signaling but disrupted the ability of GDC-0449 to bind SMO and suppress this pathway. A mutation altering the same amino acid also arose in a GDC-0449-resistant mouse model of medulloblastoma. These findings show that acquired mutations in a serpentine receptor with features of a G protein-coupled receptor can serve as a mechanism of drug resistance in human cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yauch, Robert L -- Dijkgraaf, Gerrit J P -- Alicke, Bruno -- Januario, Thomas -- Ahn, Christina P -- Holcomb, Thomas -- Pujara, Kanan -- Stinson, Jeremy -- Callahan, Christopher A -- Tang, Tracy -- Bazan, J Fernando -- Kan, Zhengyan -- Seshagiri, Somasekar -- Hann, Christine L -- Gould, Stephen E -- Low, Jennifer A -- Rudin, Charles M -- de Sauvage, Frederic J -- New York, N.Y. -- Science. 2009 Oct 23;326(5952):572-4. doi: 10.1126/science.1179386. Epub 2009 Sep 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genentech, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19726788" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Substitution ; Anilides/metabolism/pharmacology/*therapeutic use ; Animals ; Antineoplastic Agents/metabolism/pharmacology/*therapeutic use ; Brain Neoplasms/*drug therapy/*genetics/pathology ; Cell Line, Tumor ; Cinnamates/pharmacology ; Drug Resistance, Neoplasm ; Hedgehog Proteins/antagonists & inhibitors/genetics/*metabolism ; Humans ; Medulloblastoma/*drug therapy/*genetics/pathology ; Mice ; Molecular Sequence Data ; Mutant Proteins/antagonists & inhibitors/chemistry/metabolism ; Mutation, Missense ; Neoplasm Metastasis ; Protein Conformation ; Pyridines/metabolism/pharmacology/*therapeutic use ; Receptors, Cell Surface/genetics/metabolism ; Receptors, G-Protein-Coupled/antagonists & ; inhibitors/chemistry/*genetics/metabolism ; Signal Transduction ; Veratrum Alkaloids/pharmacology
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    A vital role for interleukin-21 in the control of a chronic viral infection (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-05-16
    Description: Understanding the factors that regulate the induction, quality, and longevity of antiviral T cell responses is essential for devising rational strategies to prevent or combat infections. In this study, we show that interleukin-21 (IL-21), likely produced by CD4+ T cells, directly influences the generation of polyfunctional CD8+ T cells and that the number of CD4+ T cells that produce IL-21 differs markedly between acute and chronic infections. IL-21 regulates the development of CD8+ T cell exhaustion and the ability to contain chronic lymphocytic choriomeningitis virus infection. Thus, IL-21 serves as a critical helper factor that shapes the functional quality of antiviral CD8+ T cells and is required for viral control.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2736049/" 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/PMC2736049/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yi, John S -- Du, Ming -- Zajac, Allan J -- AI049360/AI/NIAID NIH HHS/ -- AI067993/AI/NIAID NIH HHS/ -- R01 AI049360/AI/NIAID NIH HHS/ -- R01 AI049360-08/AI/NIAID NIH HHS/ -- R01 AI067993/AI/NIAID NIH HHS/ -- R01 AI067993-03/AI/NIAID NIH HHS/ -- T32 AI007051/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 19;324(5934):1572-6. doi: 10.1126/science.1175194. Epub 2009 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294-2170, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443735" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4-Positive T-Lymphocytes/*immunology ; CD8-Positive T-Lymphocytes/*immunology ; Chronic Disease ; Interleukins/*immunology ; Lymphocytic Choriomeningitis/*immunology ; Lymphocytic choriomeningitis virus ; Mice ; Mice, Inbred C57BL ; Viral Load
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    Glucose deprivation contributes to the development of KRAS pathway mutations in tumor cells (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-08-08
    Description: Tumor progression is driven by genetic mutations, but little is known about the environmental conditions that select for these mutations. Studying the transcriptomes of paired colorectal cancer cell lines that differed only in the mutational status of their KRAS or BRAF genes, we found that GLUT1, encoding glucose transporter-1, was one of three genes consistently up-regulated in cells with KRAS or BRAF mutations. The mutant cells exhibited enhanced glucose uptake and glycolysis and survived in low-glucose conditions, phenotypes that all required GLUT1 expression. In contrast, when cells with wild-type KRAS alleles were subjected to a low-glucose environment, very few cells survived. Most surviving cells expressed high levels of GLUT1, and 4% of these survivors had acquired KRAS mutations not present in their parents. The glycolysis inhibitor 3-bromopyruvate preferentially suppressed the growth of cells with KRAS or BRAF mutations. Together, these data suggest that glucose deprivation can drive the acquisition of KRAS pathway mutations in human tumors.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2820374/" 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/PMC2820374/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yun, Jihye -- Rago, Carlo -- Cheong, Ian -- Pagliarini, Ray -- Angenendt, Philipp -- Rajagopalan, Harith -- Schmidt, Kerstin -- Willson, James K V -- Markowitz, Sandy -- Zhou, Shibin -- Diaz, Luis A Jr -- Velculescu, Victor E -- Lengauer, Christoph -- Kinzler, Kenneth W -- Vogelstein, Bert -- Papadopoulos, Nickolas -- CA43460/CA/NCI NIH HHS/ -- CA62924/CA/NCI NIH HHS/ -- R37 CA043460/CA/NCI NIH HHS/ -- R37 CA043460-27/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 18;325(5947):1555-9. doi: 10.1126/science.1174229. Epub 2009 Aug 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ludwig Center for Cancer Genetics and Therapeutics and Howard Hughes Medical Institute, Johns Hopkins Kimmel Cancer Center, Baltimore, MD 21231, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661383" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line, Tumor ; Cell Proliferation ; Colorectal Neoplasms/*genetics/metabolism ; Gene Expression Regulation, Neoplastic ; Gene Targeting ; *Genes, ras ; Glucose/*metabolism ; Glucose Transporter Type 1/genetics/metabolism ; Glycolysis/drug effects ; Humans ; Lactic Acid/metabolism ; Mice ; Mice, Nude ; *Mutation ; Neoplasm Transplantation ; Oligonucleotide Array Sequence Analysis ; Proto-Oncogene Proteins B-raf/*genetics ; Pyruvates/pharmacology ; Transplantation, Heterologous
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    Impact of genome reduction on bacterial metabolism and its regulation (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-12-08
    Description: To understand basic principles of bacterial metabolism organization and regulation, but also the impact of genome size, we systematically studied one of the smallest bacteria, Mycoplasma pneumoniae. A manually curated metabolic network of 189 reactions catalyzed by 129 enzymes allowed the design of a defined, minimal medium with 19 essential nutrients. More than 1300 growth curves were recorded in the presence of various nutrient concentrations. Measurements of biomass indicators, metabolites, and 13C-glucose experiments provided information on directionality, fluxes, and energetics; integration with transcription profiling enabled the global analysis of metabolic regulation. Compared with more complex bacteria, the M. pneumoniae metabolic network has a more linear topology and contains a higher fraction of multifunctional enzymes; general features such as metabolite concentrations, cellular energetics, adaptability, and global gene expression responses are similar, however.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yus, Eva -- Maier, Tobias -- Michalodimitrakis, Konstantinos -- van Noort, Vera -- Yamada, Takuji -- Chen, Wei-Hua -- Wodke, Judith A H -- Guell, Marc -- Martinez, Sira -- Bourgeois, Ronan -- Kuhner, Sebastian -- Raineri, Emanuele -- Letunic, Ivica -- Kalinina, Olga V -- Rode, Michaela -- Herrmann, Richard -- Gutierrez-Gallego, Ricardo -- Russell, Robert B -- Gavin, Anne-Claude -- Bork, Peer -- Serrano, Luis -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1263-8. doi: 10.1126/science.1177263.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Genomic Regulation (CRG) and Universitat Pompeu Fabra, Avenida Dr. Aiguader 88, 08003 Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965476" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Bacterial Proteins/*metabolism ; Culture Media ; Energy Metabolism ; Enzymes/genetics/metabolism ; Gene Expression Profiling ; *Gene Expression Regulation, Bacterial ; *Genome, Bacterial ; Glycolysis ; *Metabolic Networks and Pathways ; Mycoplasma pneumoniae/*genetics/growth & development/*metabolism ; RNA, Bacterial/genetics/metabolism ; Signal Transduction ; Systems Biology ; Transcription, Genetic ; rRNA Operon
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    Immunology. A chronic need for IL-21 (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-06-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, Lisa D S -- Jameson, Stephen C -- New York, N.Y. -- Science. 2009 Jun 19;324(5934):1525-6. doi: 10.1126/science.1176487.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory Medicine and Pathology, Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19541985" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4-Positive T-Lymphocytes/*immunology ; Chronic Disease ; Interleukins/*immunology ; Mice ; Virus Diseases/*immunology
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    Small-molecule activators of a proenzyme (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-11-07
    Description: Virtually all of the 560 human proteases are stored as inactive proenyzmes and are strictly regulated. We report the identification and characterization of the first small molecules that directly activate proenzymes, the apoptotic procaspases-3 and -6. It is surprising that these compounds induce autoproteolytic activation by stabilizing a conformation that is both more active and more susceptible to intermolecular proteolysis. These procaspase activators bypass the normal upstream proapoptotic signaling cascades and induce rapid apoptosis in a variety of cell lines. Systematic biochemical and biophysical analyses identified a cluster of mutations in procaspase-3 that resist small-molecule activation both in vitro and in cells. Compounds that induce gain of function are rare, and the activators reported here will enable direct control of the executioner caspases in apoptosis and in cellular differentiation. More generally, these studies presage the discovery of other proenzyme activators to explore fundamental processes of proenzyme activation and their fate-determining roles in biology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2886848/" 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/PMC2886848/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolan, Dennis W -- Zorn, Julie A -- Gray, Daniel C -- Wells, James A -- F32 CA119641/CA/NCI NIH HHS/ -- F32 CA119641-03/CA/NCI NIH HHS/ -- R01 CA136779/CA/NCI NIH HHS/ -- R21 N5057022/PHS HHS/ -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):853-8. doi: 10.1126/science.1177585.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmaceutical Chemistry, University of California, San Francisco, Byers Hall, 1700 4th Street, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892984" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apoptosis ; Benzopyrans/chemistry/*metabolism/pharmacology ; Biocatalysis ; Caspase 3/chemistry/genetics/*metabolism ; Caspase 6/chemistry/genetics/*metabolism ; Caspase Inhibitors ; Catalytic Domain ; Cell Line, Transformed ; Cell Line, Tumor ; Cells, Cultured ; Enzyme Activation ; Enzyme Activators/chemistry/*metabolism/pharmacology ; Enzyme Inhibitors/metabolism/pharmacology ; Enzyme Precursors/antagonists & inhibitors/chemistry/genetics/*metabolism ; Granzymes/metabolism ; Humans ; Imidazoles/chemistry/*metabolism/pharmacology ; Kinetics ; Mice ; Molecular Structure ; Mutagenesis ; Pyridines/chemistry/*metabolism/pharmacology ; Signal Transduction ; Small Molecule Libraries/chemistry/metabolism
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    Bcl6 and Blimp-1 are reciprocal and antagonistic regulators of T follicular helper cell differentiation (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-07-18
    Description: Effective B cell-mediated immunity and antibody responses often require help from CD4+ T cells. It is thought that a distinct CD4+ effector T cell subset, called T follicular helper cells (T(FH)), provides this help; however, the molecular requirements for T(FH) differentiation are unknown. We found that expression of the transcription factor Bcl6 in CD4+ T cells is both necessary and sufficient for in vivo T(FH) differentiation and T cell help to B cells in mice. In contrast, the transcription factor Blimp-1, an antagonist of Bcl6, inhibits T(FH) differentiation and help, thereby preventing B cell germinal center and antibody responses. These findings demonstrate that T(FH) cells are required for proper B cell responses in vivo and that Bcl6 and Blimp-1 play central but opposing roles in T(FH) differentiation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2766560/" 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/PMC2766560/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnston, Robert J -- Poholek, Amanda C -- DiToro, Daniel -- Yusuf, Isharat -- Eto, Danelle -- Barnett, Burton -- Dent, Alexander L -- Craft, Joe -- Crotty, Shane -- AR40072/AR/NIAMS NIH HHS/ -- AR44076/AR/NIAMS NIH HHS/ -- P30 AR053495/AR/NIAMS NIH HHS/ -- R01 063107/PHS HHS/ -- R01 072543/PHS HHS/ -- R01 AI063107/AI/NIAID NIH HHS/ -- R01 AI063107-01A1/AI/NIAID NIH HHS/ -- R01 AI072543/AI/NIAID NIH HHS/ -- R01 AI072543-01A1/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2009 Aug 21;325(5943):1006-10. doi: 10.1126/science.1175870. Epub 2009 Jul 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology (LIAI), 9420 Athena Circle, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19608860" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Formation ; Arenaviridae Infections/immunology ; B-Lymphocytes/immunology ; CD4-Positive T-Lymphocytes/cytology/immunology ; Cell Differentiation ; Cell Lineage ; Cytokines/metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Gene Expression Regulation ; Germinal Center/cytology/immunology ; Lymphocyte Activation ; Lymphocytic choriomeningitis virus/immunology ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; RNA, Messenger/genetics/metabolism ; Signal Transduction ; T-Lymphocyte Subsets/cytology/*immunology ; T-Lymphocytes, Helper-Inducer/cytology/*immunology ; Transcription Factors/genetics/*metabolism
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    A functional role for adult hippocampal neurogenesis in spatial pattern separation (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-07-11
    Description: The dentate gyrus (DG) of the mammalian hippocampus is hypothesized to mediate pattern separation-the formation of distinct and orthogonal representations of mnemonic information-and also undergoes neurogenesis throughout life. How neurogenesis contributes to hippocampal function is largely unknown. Using adult mice in which hippocampal neurogenesis was ablated, we found specific impairments in spatial discrimination with two behavioral assays: (i) a spatial navigation radial arm maze task and (ii) a spatial, but non-navigable, task in the mouse touch screen. Mice with ablated neurogenesis were impaired when stimuli were presented with little spatial separation, but not when stimuli were more widely separated in space. Thus, newborn neurons may be necessary for normal pattern separation function in the DG of adult mice.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2997634/" 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/PMC2997634/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clelland, C D -- Choi, M -- Romberg, C -- Clemenson, G D Jr -- Fragniere, A -- Tyers, P -- Jessberger, S -- Saksida, L M -- Barker, R A -- Gage, F H -- Bussey, T J -- NS-050217/NS/NINDS NIH HHS/ -- R01 NS050217/NS/NINDS NIH HHS/ -- R01 NS050217-05/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):210-3. doi: 10.1126/science.1173215.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, 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/19590004" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cues ; Dentate Gyrus/cytology/*physiology ; Discrimination Learning/*physiology ; Female ; Hippocampus/cytology/*physiology ; Maze Learning ; Memory/*physiology ; Mice ; Mice, Inbred C57BL ; *Neurogenesis ; Neurons/*physiology ; Psychomotor Performance ; *Space Perception
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    The hallucinogen N,N-dimethyltryptamine (DMT) is an endogenous sigma-1 receptor regulator (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-02-14
    Description: The sigma-1 receptor is widely distributed in the central nervous system and periphery. Originally mischaracterized as an opioid receptor, the sigma-1 receptor binds a vast number of synthetic compounds but does not bind opioid peptides; it is currently considered an orphan receptor. The sigma-1 receptor pharmacophore includes an alkylamine core, also found in the endogenous compound N,N-dimethyltryptamine (DMT). DMT acts as a hallucinogen, but its receptor target has been unclear. DMT bound to sigma-1 receptors and inhibited voltage-gated sodium ion (Na+) channels in both native cardiac myocytes and heterologous cells that express sigma-1 receptors. DMT induced hypermobility in wild-type mice but not in sigma-1 receptor knockout mice. These biochemical, physiological, and behavioral experiments indicate that DMT is an endogenous agonist for the sigma-1 receptor.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2947205/" 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/PMC2947205/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fontanilla, Dominique -- Johannessen, Molly -- Hajipour, Abdol R -- Cozzi, Nicholas V -- Jackson, Meyer B -- Ruoho, Arnold E -- F31 DA022932/DA/NIDA NIH HHS/ -- NS30016/NS/NINDS NIH HHS/ -- R01 MH065503/MH/NIMH NIH HHS/ -- R01 MH065503-01A1/MH/NIMH NIH HHS/ -- R01 NS030016/NS/NINDS NIH HHS/ -- R01 NS030016-08/NS/NINDS NIH HHS/ -- R01 NS030016-09/NS/NINDS NIH HHS/ -- T32 GM08688/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 13;323(5916):934-7. doi: 10.1126/science.1166127.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19213917" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; COS Cells ; Cell Line ; Cells, Cultured ; Cercopithecus aethiops ; Guinea Pigs ; Hallucinogens/*metabolism ; Ligands ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Myocardium/metabolism ; N,N-Dimethyltryptamine/*metabolism ; Rats ; Receptors, sigma/agonists/antagonists & inhibitors/*metabolism ; Tryptamines/metabolism
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    Secondary replicative function of CD8+ T cells that had developed an effector phenotype (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-24
    Description: Models of the differentiation of memory CD8+ T cells that replicate during secondary infections differ over whether such cells had acquired effector function during primary infections. We created a transgenic mouse line that permits mapping of the fate of granzyme B (gzmB)-expressing CD8+ T cells and their progeny by indelibly marking them with enhanced yellow fluorescent protein (EYFP). Virus-specific CD8+ T cells express gzmB within the first 2 days of a primary response to infection with influenza, without impairment of continued primary clonal expansion. On secondary infection, virus-specific CD8+ T cells that became EYFP+ during a primary infection clonally expand as well as all virus-specific CD8+ T cells. Thus, CD8+ T cells that have acquired an effector phenotype during primary infection may function as memory cells with replicative function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2653633/" 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/PMC2653633/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bannard, Oliver -- Kraman, Matthew -- Fearon, Douglas T -- 075289/Wellcome Trust/United Kingdom -- 082259/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 Jan 23;323(5913):505-9. doi: 10.1126/science.1166831.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Immunology Unit, Department of Medicine, University of Cambridge, Medical Research Council Centre, Hills Road, Cambridge CB2 2QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19164749" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD8-Positive T-Lymphocytes/*cytology/*immunology ; Cell Differentiation ; Cell Division ; Granzymes/genetics/metabolism ; *Immunologic Memory ; Influenza A Virus, H1N1 Subtype/immunology ; Influenza A Virus, H3N2 Subtype/immunology ; Luminescent Proteins/genetics/metabolism ; Lung/immunology ; Mice ; Mice, Transgenic ; Orthomyxoviridae Infections/*immunology ; Phenotype ; Spleen/immunology ; T-Lymphocyte Subsets/cytology/immunology
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    The aryl hydrocarbon nuclear translocator alters CD30-mediated NF-kappaB-dependent transcription (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-01-10
    Description: Expression and signaling of CD30, a tumor necrosis factor receptor family member, is up-regulated in numerous lymphoid-derived neoplasias, most notably anaplastic large-cell lymphoma (ALCL) and Hodgkin's lymphoma. To gain insight into the mechanism of CD30 signaling, we used an affinity purification strategy that led to the identification of the aryl hydrocarbon receptor nuclear translocator (ARNT) as a CD30-interacting protein that modulated the activity of the RelB subunit of the transcription factor nuclear factor kappaB (NF-kappaB). ALCL cells that were deficient in ARNT exhibited defects in RelB recruitment to NF-kappaB-responsive promoters, whereas RelA recruitment to the same sites was potentiated, resulting in the augmented expression of these NF-kappaB-responsive genes. These findings indicate that ARNT functions in concert with RelB in a CD30-induced negative feedback mechanism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2682336/" 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/PMC2682336/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wright, Casey W -- Duckett, Colin S -- R01 GM067827/GM/NIGMS NIH HHS/ -- R01 GM067827-04/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Jan 9;323(5911):251-5. doi: 10.1126/science.1162818.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131627" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD30/*metabolism ; Aryl Hydrocarbon Receptor Nuclear Translocator/chemistry/genetics/*metabolism ; Cell Line ; Cell Line, Tumor ; DNA/metabolism ; Feedback, Physiological ; Gene Expression Regulation ; Humans ; Lymphoma, Large-Cell, Anaplastic/genetics/metabolism ; Molecular Sequence Data ; NF-kappa B/genetics/metabolism ; Promoter Regions, Genetic ; Protein Structure, Tertiary ; Receptors, Tumor Necrosis Factor, Type II/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Transcription Factor RelB/genetics/*metabolism ; *Transcription, Genetic ; Transcriptional Activation
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    The cAMP sensor Epac2 is a direct target of antidiabetic sulfonylurea drugs (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-08-01
    Description: Epac2, a guanine nucleotide exchange factor for the small guanosine triphosphatase Rap1, is activated by adenosine 3',5'-monophosphate. Fluorescence resonance energy transfer and binding experiments revealed that sulfonylureas, widely used antidiabetic drugs, interact directly with Epac2. Sulfonylureas activated Rap1 specifically through Epac2. Sulfonylurea-stimulated insulin secretion was reduced both in vitro and in vivo in mice lacking Epac2, and the glucose-lowering effect of the sulfonylurea tolbutamide was decreased in these mice. Epac2 thus contributes to the effect of sulfonylureas to promote insulin secretion. Because Epac2 is also required for the action of incretins, gut hormones crucial for potentiating insulin secretion, it may be a promising target for antidiabetic drug development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Chang-Liang -- Katoh, Megumi -- Shibasaki, Tadao -- Minami, Kohtaro -- Sunaga, Yasuhiro -- Takahashi, Harumi -- Yokoi, Norihide -- Iwasaki, Masahiro -- Miki, Takashi -- Seino, Susumu -- New York, N.Y. -- Science. 2009 Jul 31;325(5940):607-10. doi: 10.1126/science.1172256.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cellular and Molecular Medicine, Department of Physiology and Cell Biology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19644119" target="_blank"〉PubMed〈/a〉
    Keywords: 8-Bromo Cyclic Adenosine Monophosphate/pharmacology ; Animals ; Blood Glucose/analysis ; COS Cells ; Carrier Proteins/genetics/*metabolism ; Cell Line ; Cercopithecus aethiops ; Cyclic AMP/*metabolism ; Fluorescence Resonance Energy Transfer ; Glucose/administration & dosage ; Glyburide/metabolism/pharmacology ; Guanine Nucleotide Exchange Factors/genetics/*metabolism ; Hypoglycemic Agents/chemistry/*metabolism/pharmacology ; Insulin/blood/secretion ; Islets of Langerhans/secretion ; Mice ; Mice, Inbred C57BL ; Sulfonylurea Compounds/chemistry/*metabolism/pharmacology ; Tolbutamide/metabolism/pharmacology ; rap1 GTP-Binding Proteins/metabolism
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    Priming in systemic plant immunity (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-04-04
    Description: Plants possess inducible systemic defense responses when locally infected by pathogens. Bacterial infection results in the increased accumulation of the mobile metabolite azelaic acid, a nine-carbon dicarboxylic acid, in the vascular sap of Arabidopsis that confers local and systemic resistance against the pathogen Pseudomonas syringae. Azelaic acid primes plants to accumulate salicylic acid (SA), a known defense signal, upon infection. Mutation of the AZELAIC ACID INDUCED 1 (AZI1) gene, which is induced by azelaic acid, results in the specific loss of systemic immunity triggered by pathogen or azelaic acid and of the priming of SA induction in plants. Furthermore, the predicted secreted protein AZI1 is also important for generating vascular sap that confers disease resistance. Thus, azelaic acid and AZI1 are components of plant systemic immunity involved in priming defenses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jung, Ho Won -- Tschaplinski, Timothy J -- Wang, Lin -- Glazebrook, Jane -- Greenberg, Jean T -- New York, N.Y. -- Science. 2009 Apr 3;324(5923):89-91. doi: 10.1126/science.1170025.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics and Cell Biology, University of Chicago, 1103 East 57th Street EBC410, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19342588" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*immunology/metabolism/*microbiology ; Arabidopsis Proteins/*genetics/physiology ; Dicarboxylic Acids/*metabolism/pharmacology ; Gene Expression Regulation, Plant ; *Genes, Plant ; Immunity, Innate ; Mutation ; Oligonucleotide Array Sequence Analysis ; Plant Diseases/*immunology ; Plant Leaves/immunology/metabolism ; Pseudomonas syringae/growth & development/*immunology/pathogenicity ; Salicylic Acid/metabolism ; Signal Transduction
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    RIP3, an energy metabolism regulator that switches TNF-induced cell death from apoptosis to necrosis (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-06-06
    Description: Necrosis can be induced by stimulating death receptors with tumor necrosis factor (TNF) or other agonists; however, the underlying mechanism differentiating necrosis from apoptosis is largely unknown. We identified the protein kinase receptor-interacting protein 3 (RIP3) as a molecular switch between TNF-induced apoptosis and necrosis in NIH 3T3 cells and found that RIP3 was required for necrosis in other cells. RIP3 did not affect RIP1-mediated apoptosis but was required for RIP1-mediated necrosis and the enhancement of necrosis by the caspase inhibitor zVAD. By activating key enzymes of metabolic pathways, RIP3 regulates TNF-induced reactive oxygen species production, which partially accounts for RIP3's ability to promote necrosis. Our data suggest that modulation of energy metabolism in response to death stimuli has an important role in the choice between apoptosis and necrosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Duan-Wu -- Shao, Jing -- Lin, Juan -- Zhang, Na -- Lu, Bao-Ju -- Lin, Sheng-Cai -- Dong, Meng-Qiu -- Han, Jiahuai -- New York, N.Y. -- Science. 2009 Jul 17;325(5938):332-6. doi: 10.1126/science.1172308. Epub 2009 Jun 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Key Laboratory of the Ministry of Education for Cell Biology and Tumor Cell Engineering, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498109" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Chloromethyl Ketones/pharmacology ; Animals ; *Apoptosis ; Cell Line ; Energy Metabolism ; Glutamate Dehydrogenase/metabolism ; Glutamate-Ammonia Ligase/metabolism ; Glycogen Phosphorylase/metabolism ; Mice ; NIH 3T3 Cells ; *Necrosis ; RNA Interference ; Reactive Oxygen Species/metabolism ; Receptor-Interacting Protein Serine-Threonine Kinases/genetics/*metabolism ; Tumor Necrosis Factor-alpha/*pharmacology
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    The extracellular matrix: not just pretty fibrils (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-08
    Description: The extracellular matrix (ECM) and ECM proteins are important in phenomena as diverse as developmental patterning, stem cell niches, cancer, and genetic diseases. The ECM has many effects beyond providing structural support. ECM proteins typically include multiple, independently folded domains whose sequences and arrangement are highly conserved. Some of these domains bind adhesion receptors such as integrins that mediate cell-matrix adhesion and also transduce signals into cells. However, ECM proteins also bind soluble growth factors and regulate their distribution, activation, and presentation to cells. As organized, solid-phase ligands, ECM proteins can integrate complex, multivalent signals to cells in a spatially patterned and regulated fashion. These properties need to be incorporated into considerations of the functions of the ECM.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3536535/" 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/PMC3536535/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hynes, Richard O -- P01 HL066105/HL/NHLBI NIH HHS/ -- R01 CA017007/CA/NCI NIH HHS/ -- U54 CA126515/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1216-9. doi: 10.1126/science.1176009.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. rohynes@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965464" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion ; *Cell Physiological Processes ; Extracellular Matrix/*physiology ; Extracellular Matrix Proteins/chemistry/*metabolism ; Humans ; Intercellular Signaling Peptides and Proteins/metabolism ; Models, Biological ; Protein Binding ; Protein Interaction Domains and Motifs ; Protein Structure, Tertiary ; Signal Transduction ; Transforming Growth Factor beta/metabolism
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    Pre-target axon sorting establishes the neural map topography (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-07-11
    Description: Sensory information detected by the peripheral nervous system is represented as a topographic map in the brain. It has long been thought that the topography of the map is determined by graded positional cues that are expressed by the target. Here, we analyzed the pre-target axon sorting for olfactory map formation in mice. In olfactory sensory neurons, an axon guidance receptor, Neuropilin-1, and its repulsive ligand, Semaphorin-3A, are expressed in a complementary manner. We found that expression levels of Neuropilin-1 determined both pre-target sorting and projection sites of axons. Olfactory sensory neuron-specific knockout of Semaphorin-3A perturbed axon sorting and altered the olfactory map topography. Thus, pre-target axon sorting plays an important role in establishing the topographic order based on the relative levels of guidance molecules expressed by axons.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Imai, Takeshi -- Yamazaki, Takahiro -- Kobayakawa, Reiko -- Kobayakawa, Ko -- Abe, Takaya -- Suzuki, Misao -- Sakano, Hitoshi -- New York, N.Y. -- Science. 2009 Jul 31;325(5940):585-90. doi: 10.1126/science.1173596. Epub 2009 Jul 9.〈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/19589963" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology ; Brain Mapping ; Cell Communication ; Cues ; Cyclic AMP/metabolism ; Ligands ; Mice ; Mice, Knockout ; Mice, Transgenic ; Neuroglia/physiology ; Neuropilin-1/*metabolism ; Olfactory Bulb/cytology/*physiology ; Olfactory Mucosa/cytology/physiology ; Olfactory Pathways/cytology/*physiology ; Olfactory Receptor Neurons/cytology/*physiology ; Receptors, Odorant/metabolism ; Semaphorin-3A/metabolism ; Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The optogenetic catechism (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-10-17
    Description: An emerging set of methods enables an experimental dialogue with biological systems composed of many interacting cell types--in particular, with neural circuits in the brain. These methods are sometimes called "optogenetic" because they use light-responsive proteins ("opto-") encoded in DNA ("-genetic"). Optogenetic devices can be introduced into tissues or whole organisms by genetic manipulation and be expressed in anatomically or functionally defined groups of cells. Two kinds of devices perform complementary functions: Light-driven actuators control electrochemical signals, while light-emitting sensors report them. Actuators pose questions by delivering targeted perturbations; sensors (and other measurements) signal answers. These catechisms are beginning to yield previously unattainable insight into the organization of neural circuits, the regulation of their collective dynamics, and the causal relationships between cellular activity patterns and behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miesenbock, Gero -- G0700888/Medical Research Council/United Kingdom -- G0701225/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Oct 16;326(5951):395-9. doi: 10.1126/science.1174520.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Anatomy and Genetics, University of Oxford, Parks Road, Oxford, OX1 3PT, UK. gero.miesenboeck@dpag.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833960" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biotechnology/instrumentation/*methods ; Brain/*physiology ; Calcium/metabolism ; Gene Expression Profiling ; *Genetic Engineering ; *Light ; Membrane Potentials ; Neural Pathways/physiology ; Neurons/*physiology ; Neurosciences/*methods ; Photons ; Proteins/*metabolism ; Signal Transduction ; Synapses/physiology
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    Rab35 controls actin bundling by recruiting fascin as an effector protein (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-09-05
    Description: Actin filaments are key components of the eukaryotic cytoskeleton that provide mechanical structure and generate forces during cell shape changes, growth, and migration. Actin filaments are dynamically assembled into higher-order structures at specified locations to regulate diverse functions. The Rab family of small guanosine triphosphatases is evolutionarily conserved and mediates intracellular vesicle trafficking. We found that Rab35 regulates the assembly of actin filaments during bristle development in Drosophila and filopodia formation in cultured cells. These effects were mediated by the actin-bundling protein fascin, which directly associated with active Rab35. Targeting Rab35 to the outer mitochondrial membrane triggered actin recruitment, demonstrating a role for an intracellular trafficking protein in localized actin assembly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Jun -- Fonovic, Marko -- Suyama, Kaye -- Bogyo, Matthew -- Scott, Matthew P -- U54 RR020843/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1250-4. doi: 10.1126/science.1174921.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, 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/19729655" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/*metabolism/ultrastructure ; Actins/*metabolism ; Animals ; Carrier Proteins/*metabolism ; Cell Line ; Cell Membrane/metabolism ; Drosophila/anatomy & histology/growth & development/metabolism ; Drosophila Proteins/genetics/*metabolism ; HeLa Cells ; Humans ; Mice ; Microfilament Proteins/*metabolism ; Mitochondrial Membranes/metabolism ; NIH 3T3 Cells ; Pseudopodia/metabolism/ultrastructure ; RNA Interference ; Recombinant Fusion Proteins/metabolism ; rab GTP-Binding Proteins/genetics/*metabolism
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    Cell signaling. Aging is RSKy business (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaeberlein, Matt -- Kapahi, Pankaj -- R01 AG031108/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):55-6. doi: 10.1126/science.1181034.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Washington, Seattle, WA 98195, USA. kaeber@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797648" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases/genetics/metabolism ; Aging/*physiology ; Animals ; Caloric Restriction ; Enzyme Activation ; Female ; Gene Expression ; Longevity/*physiology ; Male ; Mice ; Mice, Knockout ; Oligonucleotide Array Sequence Analysis ; Phosphorylation ; Protein Biosynthesis ; Protein Kinases/metabolism ; Protein Subunits ; Ribosomal Protein S6/*metabolism ; Ribosomal Protein S6 Kinases, 90-kDa/genetics/*metabolism ; *Signal Transduction ; Sirolimus/pharmacology ; TOR Serine-Threonine Kinases
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    The insect neuropeptide PTTH activates receptor tyrosine kinase torso to initiate metamorphosis (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-12-08
    Description: Holometabolous insects undergo complete metamorphosis to become sexually mature adults. Metamorphosis is initiated by brain-derived prothoracicotropic hormone (PTTH), which stimulates the production of the molting hormone ecdysone via an incompletely defined signaling pathway. Here we demonstrate that Torso, a receptor tyrosine kinase that regulates embryonic terminal cell fate in Drosophila, is the PTTH receptor. Trunk, the embryonic Torso ligand, is related to PTTH, and ectopic expression of PTTH in the embryo partially rescues trunk mutants. In larvae, torso is expressed specifically in the prothoracic gland (PG), and its loss phenocopies the removal of PTTH. The activation of Torso by PTTH stimulates extracellular signal-regulated kinase (ERK) phosphorylation, and the loss of ERK in the PG phenocopies the loss of PTTH and Torso. We conclude that PTTH initiates metamorphosis by activation of the Torso/ERK pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rewitz, Kim F -- Yamanaka, Naoki -- Gilbert, Lawrence I -- O'Connor, Michael B -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1403-5. doi: 10.1126/science.1176450.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Cell Biology, and Development, University of Minnesota, Minneapolis, MN 55455, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965758" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bombyx/*genetics/metabolism ; Cell Line ; Drosophila Proteins/chemistry/genetics/*metabolism ; Drosophila melanogaster/embryology/genetics/*growth & development/metabolism ; Embryo, Nonmammalian/metabolism ; Extracellular Signal-Regulated MAP Kinases/metabolism ; Insect Hormones/chemistry/*metabolism ; Larva/growth & development ; Ligands ; *Metamorphosis, Biological ; Molecular Sequence Data ; Neurons/metabolism ; Phosphorylation ; Pupa/growth & development ; RNA Interference ; Receptor Protein-Tyrosine Kinases/genetics/*metabolism ; Signal Transduction
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    Draxin, a repulsive guidance protein for spinal cord and forebrain commissures (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-20
    Description: Axon guidance proteins are critical for the correct wiring of the nervous system during development. Several axon guidance cues and their family members have been well characterized. More unidentified axon guidance cues are assumed to participate in the formation of the extremely complex nervous system. We identified a secreted protein, draxin, that shares no homology with known guidance cues. Draxin inhibited or repelled neurite outgrowth from dorsal spinal cord and cortical explants in vitro. Ectopically expressed draxin inhibited growth or caused misrouting of chick spinal cord commissural axons in vivo. draxin knockout mice showed defasciculation of spinal cord commissural axons and absence of all forebrain commissures. Thus, draxin is a previously unknown chemorepulsive axon guidance molecule required for the development of spinal cord and forebrain commissures.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Islam, Shahidul M -- Shinmyo, Yohei -- Okafuji, Tatsuya -- Su, Yuhong -- Naser, Iftekhar Bin -- Ahmed, Giasuddin -- Zhang, Sanbing -- Chen, Sandy -- Ohta, Kunimasa -- Kiyonari, Hiroshi -- Abe, Takaya -- Tanaka, Satomi -- Nishinakamura, Ryuichi -- Terashima, Toshio -- Kitamura, Toshio -- Tanaka, Hideaki -- New York, N.Y. -- Science. 2009 Jan 16;323(5912):388-93. doi: 10.1126/science.1165187.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Developmental Neurobiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto 860-8556, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19150847" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Axons/*physiology ; COS Cells ; Cercopithecus aethiops ; Chick Embryo ; Coculture Techniques ; Corpus Callosum/embryology/metabolism ; Electroporation ; Growth Cones/metabolism/physiology ; Intercellular Signaling Peptides and ; Proteins/chemistry/genetics/metabolism/*physiology ; Mice ; Mice, Knockout ; Molecular Sequence Data ; Neurites/metabolism/*physiology ; Neurogenesis ; Neuroglia/metabolism ; Prosencephalon/abnormalities/*embryology/metabolism ; Recombinant Proteins/metabolism ; Spinal Cord/*embryology/metabolism ; Tissue Culture Techniques
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    Mechanically activated integrin switch controls alpha5beta1 function (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-01-31
    Description: The cytoskeleton, integrin-mediated adhesion, and substrate stiffness control a common set of cell functions required for development and homeostasis that are often deranged in cancer. The connection between these mechanical elements and chemical signaling processes is not known. Here, we show that alpha(5)beta(1) integrin switches between relaxed and tensioned states in response to myosin II-generated cytoskeletal force. Force combines with extracellular matrix stiffness to generate tension that triggers the integrin switch. This switch directly controls the alpha(5)beta(1)-fibronectin bond strength through engaging the synergy site in fibronectin and is required to generate signals through phosphorylation of focal adhesion kinase. In the context of tissues, this integrin switch connects cytoskeleton and extracellular matrix mechanics to adhesion-dependent motility and signaling pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Friedland, Julie C -- Lee, Mark H -- Boettiger, David -- GM57388/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Jan 30;323(5914):642-4. doi: 10.1126/science.1168441.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Medicine and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19179533" target="_blank"〉PubMed〈/a〉
    Keywords: Actins ; Biophysical Phenomena ; Cell Adhesion ; Cell Line, Tumor ; Cytoskeleton/*physiology ; Fibronectins/chemistry/*metabolism ; Focal Adhesion Protein-Tyrosine Kinases/metabolism ; Humans ; Integrin alpha5beta1/*chemistry/*metabolism ; Ligands ; Models, Molecular ; Myosin Type II/antagonists & inhibitors/metabolism ; Phosphorylation ; Protein Binding ; Protein Conformation ; Signal Transduction
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    KLF family members regulate intrinsic axon regeneration ability (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-10-10
    Description: Neurons in the central nervous system (CNS) lose their ability to regenerate early in development, but the underlying mechanisms are unknown. By screening genes developmentally regulated in retinal ganglion cells (RGCs), we identified Kruppel-like factor-4 (KLF4) as a transcriptional repressor of axon growth in RGCs and other CNS neurons. RGCs lacking KLF4 showed increased axon growth both in vitro and after optic nerve injury in vivo. Related KLF family members suppressed or enhanced axon growth to differing extents, and several growth-suppressive KLFs were up-regulated postnatally, whereas growth-enhancing KLFs were down-regulated. Thus, coordinated activities of different KLFs regulate the regenerative capacity of CNS neurons.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882032/" 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/PMC2882032/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, Darcie L -- Blackmore, Murray G -- Hu, Ying -- Kaestner, Klaus H -- Bixby, John L -- Lemmon, Vance P -- Goldberg, Jeffrey L -- P30 EY014801/EY/NEI NIH HHS/ -- R01 NS059866/NS/NINDS NIH HHS/ -- R01 NS059866-01A2/NS/NINDS NIH HHS/ -- R01 NS061348/NS/NINDS NIH HHS/ -- R01 NS061348-01A2/NS/NINDS NIH HHS/ -- R01 NS061348-02/NS/NINDS NIH HHS/ -- R01 NS061348-03/NS/NINDS NIH HHS/ -- R01 NS061348-04/NS/NINDS NIH HHS/ -- R03 EY016790/EY/NEI NIH HHS/ -- R03 EY016790-01/EY/NEI NIH HHS/ -- R03 EY016790-02/EY/NEI NIH HHS/ -- R03 EY016790-03/EY/NEI NIH HHS/ -- T32 NS007459/NS/NINDS NIH HHS/ -- T32 NS07492/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 9;326(5950):298-301. doi: 10.1126/science.1175737.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19815778" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology/ultrastructure ; Cell Count ; Cell Survival ; Cells, Cultured ; Down-Regulation ; Gene Knockout Techniques ; Growth Cones/physiology ; Hippocampus/cytology/physiology ; Kruppel-Like Transcription Factors/genetics/*physiology ; Mice ; Nerve Crush ; Nerve Regeneration ; Neurites/physiology ; Neurons/*physiology ; Optic Nerve Injuries/physiopathology ; Rats ; Retinal Ganglion Cells/cytology/*physiology ; Transcription, Genetic ; Transfection ; Up-Regulation
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    Systems biology. Attractors and democratic dynamics (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-02-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bar-Yam, Yaneer -- Harmon, Dion -- de Bivort, Benjamin -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):1016-7. doi: 10.1126/science.1163225.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉New England Complex Systems Institute, 24 Mt. Auburn Street, Cambridge, MA 02138, USA. yaneer@necsi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19229023" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Gene Expression Profiling ; *Gene Expression Regulation ; *Gene Regulatory Networks ; Models, Genetic ; Phenotype ; Signal Transduction ; Systems Biology ; *Transcription, Genetic
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    The tail of integrins, talin, and kindlins (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-05-16
    Description: Integrins are transmembrane cell-adhesion molecules that carry signals from the outside to the inside of the cell and vice versa. Like other cell surface receptors, integrins signal in response to ligand binding; however, events within the cell can also regulate the affinity of integrins for ligands. This feature is important in physiological situations such as those in blood, in which cells are always in close proximity to their ligands, yet cell-ligand interactions occur only after integrin activation in response to specific external cues. This review focuses on the mechanisms whereby two key proteins, talin and the kindlins, regulate integrin activation by binding the tails of integrin-beta subunits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moser, Markus -- Legate, Kyle R -- Zent, Roy -- Fassler, Reinhard -- DK 69921/DK/NIDDK NIH HHS/ -- DK075594/DK/NIDDK NIH HHS/ -- DK65138/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2009 May 15;324(5929):895-9. doi: 10.1126/science.1163865.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute of Biochemistry, 82152 Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443776" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Adhesion ; Humans ; Integrins/chemistry/*metabolism ; Ligands ; Membrane Proteins/chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Tertiary ; Signal Transduction ; Talin/chemistry/*metabolism
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    Antagonistic actions of Msx1 and Osr2 pattern mammalian teeth into a single row (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-03
    Description: Mammals have single-rowed dentitions, whereas many nonmammalian vertebrates have teeth in multiple rows. Neither the molecular mechanism regulating iterative tooth initiation nor that restricting mammalian tooth development in one row is known. We found that mice lacking the transcription factor odd-skipped related-2 (Osr2) develop supernumerary teeth lingual to their molars because of expansion of the odontogenic field. Osr2 was expressed in a lingual-to-buccal gradient and restricted expression of bone morphogenetic protein 4 (Bmp4), an essential odontogenic signal, in the developing tooth mesenchyme. Expansion of odontogenic field in Osr2-deficient mice required Msx1, a feedback activator of Bmp4 expression. These findings suggest that the Bmp4-Msx1 pathway propagates mesenchymal activation for sequential tooth induction and that spatial modulation of this pathway provides a mechanism for patterning vertebrate dentition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2650836/" 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/PMC2650836/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Zunyi -- Lan, Yu -- Chai, Yang -- Jiang, Rulang -- R01 DE013681/DE/NIDCR NIH HHS/ -- R01 DE013681-06/DE/NIDCR NIH HHS/ -- R01 DE013681-07/DE/NIDCR NIH HHS/ -- R01 DE013681-08/DE/NIDCR NIH HHS/ -- R01 DE013681-09/DE/NIDCR NIH HHS/ -- R01DE013681/DE/NIDCR NIH HHS/ -- T32DE007202/DE/NIDCR NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 27;323(5918):1232-4. doi: 10.1126/science.1167418.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Oral Biology and Department of Biomedical Genetics, University of Rochester Medical Center, Rochester, NY 14642, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19251632" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Morphogenetic Protein 4/metabolism ; Dentition ; Epithelium/embryology/metabolism ; Gene Expression ; Gene Expression Profiling ; MSX1 Transcription Factor/genetics/*metabolism ; Mesoderm/embryology/metabolism ; Mice ; Molar/embryology ; Morphogenesis ; Mutation ; *Odontogenesis ; Tooth Germ/embryology/metabolism ; Tooth, Supernumerary/*embryology ; Transcription Factors/genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Cellular basis of itch sensation (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-08-08
    Description: Itch and pain are two distinct sensations. Although our previous study suggested that gastrin-releasing peptide receptor (GRPR) is an itch-specific gene in the spinal cord, a long-standing question of whether there are separate neuronal pathways for itch and pain remains unsettled. We selectively ablated lamina I neurons expressing GRPR in the spinal cord of mice. These mice showed profound scratching deficits in response to all of the itching (pruritogenic) stimuli tested, irrespective of their histamine dependence. In contrast, pain behaviors were unaffected. Our data also suggest that GRPR+ neurons are different from the spinothalamic tract neurons that have been the focus of the debate. Together, the present study suggests that GRPR+ neurons constitute a long-sought labeled line for itch sensation in the spinal cord.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2786498/" 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/PMC2786498/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Yan-Gang -- Zhao, Zhong-Qiu -- Meng, Xiu-Li -- Yin, Jun -- Liu, Xian-Yu -- Chen, Zhou-Feng -- P01 NS049048-23/NS/NINDS NIH HHS/ -- P30 NS057105/NS/NINDS NIH HHS/ -- P30 NS057105-04/NS/NINDS NIH HHS/ -- R01 AR056318/AR/NIAMS NIH HHS/ -- R01 AR056318-01A1/AR/NIAMS NIH HHS/ -- R01 NS046036/NS/NINDS NIH HHS/ -- R01 NS046036-05/NS/NINDS NIH HHS/ -- UL1 RR024992/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 18;325(5947):1531-4. doi: 10.1126/science.1174868. Epub 2009 Aug 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Anesthesiology, Psychiatry, and Developmental Biology, Washington University School of Medicine Pain Center, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661382" target="_blank"〉PubMed〈/a〉
    Keywords: Afferent Pathways/physiology ; Animals ; Behavior, Animal ; Bombesin/pharmacology ; Chronic Disease ; Histamine ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; Neurons/*physiology ; Pain/physiopathology ; Pruritus/*physiopathology ; Receptors, Bombesin/genetics/*metabolism ; Ribosome Inactivating Proteins, Type 1/pharmacology ; Sensation/physiology ; Spinal Cord/*cytology ; Spinothalamic Tracts/cytology/physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Identification of splenic reservoir monocytes and their deployment to inflammatory sites (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-08-01
    Description: A current paradigm states that monocytes circulate freely and patrol blood vessels but differentiate irreversibly into dendritic cells (DCs) or macrophages upon tissue entry. Here we show that bona fide undifferentiated monocytes reside in the spleen and outnumber their equivalents in circulation. The reservoir monocytes assemble in clusters in the cords of the subcapsular red pulp and are distinct from macrophages and DCs. In response to ischemic myocardial injury, splenic monocytes increase their motility, exit the spleen en masse, accumulate in injured tissue, and participate in wound healing. These observations uncover a role for the spleen as a site for storage and rapid deployment of monocytes and identify splenic monocytes as a resource that the body exploits to regulate inflammation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2803111/" 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/PMC2803111/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Swirski, Filip K -- Nahrendorf, Matthias -- Etzrodt, Martin -- Wildgruber, Moritz -- Cortez-Retamozo, Virna -- Panizzi, Peter -- Figueiredo, Jose-Luiz -- Kohler, Rainer H -- Chudnovskiy, Aleksey -- Waterman, Peter -- Aikawa, Elena -- Mempel, Thorsten R -- Libby, Peter -- Weissleder, Ralph -- Pittet, Mikael J -- 1R01HL095612/HL/NHLBI NIH HHS/ -- P01 A154904/PHS HHS/ -- P01 AI054904/AI/NIAID NIH HHS/ -- P01 AI054904-010001/AI/NIAID NIH HHS/ -- P50 CA086355/CA/NCI NIH HHS/ -- P50 CA086355-07/CA/NCI NIH HHS/ -- P50 CA86355/CA/NCI NIH HHS/ -- R00 HL094533/HL/NHLBI NIH HHS/ -- R01 HL095629/HL/NHLBI NIH HHS/ -- R01 HL096576/HL/NHLBI NIH HHS/ -- R24 CA69246/CA/NCI NIH HHS/ -- U01 HL080731/HL/NHLBI NIH HHS/ -- U01 HL080731-05/HL/NHLBI NIH HHS/ -- U54 CA126515/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 31;325(5940):612-6. doi: 10.1126/science.1175202.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA. fswirski@mgh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19644120" target="_blank"〉PubMed〈/a〉
    Keywords: Angiotensin II/blood/pharmacology ; Animals ; Antigens, Ly/metabolism ; Bone Marrow Cells/physiology ; Cell Differentiation ; Cell Movement ; Cell Size ; Female ; Inflammation/*pathology ; Mice ; Mice, Inbred C57BL ; Monocytes/cytology/*physiology ; Myocardial Infarction/immunology/*pathology/*physiopathology ; Myocardium/*immunology/*pathology ; Rats ; Rats, Wistar ; Receptors, Angiotensin/metabolism ; Spleen/cytology/*immunology ; Splenectomy
    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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    Conversion of 5-methylcytosine to 5-hydroxymethylcytosine in mammalian DNA by MLL partner TET1 (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-04-18
    Description: DNA cytosine methylation is crucial for retrotransposon silencing and mammalian development. In a computational search for enzymes that could modify 5-methylcytosine (5mC), we identified TET proteins as mammalian homologs of the trypanosome proteins JBP1 and JBP2, which have been proposed to oxidize the 5-methyl group of thymine. We show here that TET1, a fusion partner of the MLL gene in acute myeloid leukemia, is a 2-oxoglutarate (2OG)- and Fe(II)-dependent enzyme that catalyzes conversion of 5mC to 5-hydroxymethylcytosine (hmC) in cultured cells and in vitro. hmC is present in the genome of mouse embryonic stem cells, and hmC levels decrease upon RNA interference-mediated depletion of TET1. Thus, TET proteins have potential roles in epigenetic regulation through modification of 5mC to hmC.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2715015/" 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/PMC2715015/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tahiliani, Mamta -- Koh, Kian Peng -- Shen, Yinghua -- Pastor, William A -- Bandukwala, Hozefa -- Brudno, Yevgeny -- Agarwal, Suneet -- Iyer, Lakshminarayan M -- Liu, David R -- Aravind, L -- Rao, Anjana -- AI44432/AI/NIAID NIH HHS/ -- K08 HL089150/HL/NHLBI NIH HHS/ -- R01 GM065865/GM/NIGMS NIH HHS/ -- R01 GM065865-05A1/GM/NIGMS NIH HHS/ -- R01GM065865/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2009 May 15;324(5929):930-5. doi: 10.1126/science.1170116. Epub 2009 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Harvard Medical School and Immune Disease 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/19372391" target="_blank"〉PubMed〈/a〉
    Keywords: 5-Methylcytosine/*metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Cytosine/*analogs & derivatives/analysis/metabolism ; DNA/chemistry/*metabolism ; DNA Methylation ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Dinucleoside Phosphates/metabolism ; Embryonic Stem Cells/chemistry/metabolism ; Humans ; Hydroxylation ; Mass Spectrometry ; Mice ; Molecular Sequence Data ; Proto-Oncogene Proteins/chemistry/genetics/*metabolism ; RNA Interference ; Sequence Alignment ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Visualizing antigen-specific and infected cells in situ predicts outcomes in early viral infection (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-28
    Description: In the early stages of viral infection, outcomes depend on a race between expansion of infection and the immune response generated to contain it. We combined in situ tetramer staining with in situ hybridization to visualize, map, and quantify relationships between immune effector cells and their targets in tissues. In simian immunodeficiency virus infections in macaques and lymphocytic choriomeningitis virus infections in mice, the magnitude and timing of the establishment of an excess of effector cells versus targets were found to correlate with the extent of control and the infection outcome (i.e., control and clearance versus partial or poor control and persistent infection). This method highlights the importance of the location, timing, and magnitude of the immune response needed for a vaccine to be effective against agents of persistent infection, such as HIV-1.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2753492/" 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/PMC2753492/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Qingsheng -- Skinner, Pamela J -- Ha, Sang-Jun -- Duan, Lijie -- Mattila, Teresa L -- Hage, Aaron -- White, Cara -- Barber, Daniel L -- O'Mara, Leigh -- Southern, Peter J -- Reilly, Cavan S -- Carlis, John V -- Miller, Christopher J -- Ahmed, Rafi -- Haase, Ashley T -- AI066314/AI/NIAID NIH HHS/ -- AI20048/AI/NIAID NIH HHS/ -- AI48484/AI/NIAID NIH HHS/ -- P01 AI066314/AI/NIAID NIH HHS/ -- P01 AI066314-010003/AI/NIAID NIH HHS/ -- P01 AI066314-020003/AI/NIAID NIH HHS/ -- P01 AI066314-030003/AI/NIAID NIH HHS/ -- P01 AI066314-040003/AI/NIAID NIH HHS/ -- P51 RR000169/RR/NCRR NIH HHS/ -- P51 RR000169-430198/RR/NCRR NIH HHS/ -- R01 AI048484/AI/NIAID NIH HHS/ -- R01 AI048484-01/AI/NIAID NIH HHS/ -- R01 AI048484-02/AI/NIAID NIH HHS/ -- R01 AI048484-03/AI/NIAID NIH HHS/ -- R01 AI048484-04/AI/NIAID NIH HHS/ -- RR00169/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1726-9. doi: 10.1126/science.1168676.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Medical School, University of Minnesota, Minneapolis, MN 55455, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325114" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arenaviridae Infections/*immunology/virology ; Cell Count ; Cervix Uteri/immunology/virology ; Female ; In Situ Hybridization ; Lymph Nodes/immunology/virology ; Lymphocytic choriomeningitis virus/*immunology ; Lymphoid Tissue/immunology/virology ; Macaca mulatta ; Mice ; RNA, Viral/analysis ; Simian Acquired Immunodeficiency Syndrome/*immunology/virology ; Simian Immunodeficiency Virus/*immunology/physiology ; Spleen/immunology/virology ; Staining and Labeling ; T-Lymphocytes, Cytotoxic/*immunology ; Time Factors ; Vagina/immunology/virology ; Virus Replication
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    Autistic phenotype from MEF2C knockout cells (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lipton, Stuart A -- Li, Hao -- Zaremba, Jeffrey D -- McKercher, Scott R -- Cui, Jiankun -- Kang, Yeon-Joo -- Nie, Zhiguo -- Soussou, Walid -- Talantova, Maria -- Okamoto, Shu-Ichi -- Nakanishi, Nobuki -- New York, N.Y. -- Science. 2009 Jan 9;323(5911):208. doi: 10.1126/science.323.5911.208b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131610" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/*genetics/*physiopathology ; Embryonic Stem Cells/physiology ; Gene Knockout Techniques ; MEF2 Transcription Factors ; Mice ; Mice, Knockout ; Myogenic Regulatory Factors/*genetics/*physiology ; *Neurogenesis ; Neurons/cytology/*physiology ; Phenotype ; Rett Syndrome/genetics/physiopathology ; Synapses/physiology
    Print ISSN: 0036-8075
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    To nibble at plant resistance proteins (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-09
    Description: To intercept invading microbes that threaten growth and reproduction, plants evolved a sophisticated innate immune system. Recognition of specialized pathogens is mediated by resistance proteins that function as molecular switches. Pathogen perception by these multidomain proteins seems to trigger a series of conformational changes dependent on nucleotide exchange. The activated resistance protein switches on host defenses, often culminating in the death of infected cells. Given their control over life and death, activity of these proteins requires tight regulation that involves intramolecular interactions between the various domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takken, F L W -- Tameling, W I L -- New York, N.Y. -- Science. 2009 May 8;324(5928):744-6. doi: 10.1126/science.1171666.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Pathology, Swammerdam Institute for Life Sciences (SILS), University of Amsterdam, Post Office Box 94215, 1090 GE Amsterdam, the Netherlands. F.L.W.Takken@uva.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423813" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Diphosphate/metabolism ; Adenosine Triphosphatases/chemistry/genetics/*metabolism ; Adenosine Triphosphate/metabolism ; Host-Pathogen Interactions ; Immunity, Innate ; Plant Diseases/*immunology ; Plant Proteins/chemistry/genetics/*metabolism ; Plants/*immunology/metabolism/*microbiology ; Protein Conformation ; Protein Multimerization ; Protein Structure, Tertiary ; Signal Transduction
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    Amyloid-beta dynamics are regulated by orexin and the sleep-wake cycle (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-26
    Description: Amyloid-beta (Abeta) accumulation in the brain extracellular space is a hallmark of Alzheimer's disease. The factors regulating this process are only partly understood. Abeta aggregation is a concentration-dependent process that is likely responsive to changes in brain interstitial fluid (ISF) levels of Abeta. Using in vivo microdialysis in mice, we found that the amount of ISF Abeta correlated with wakefulness. The amount of ISF Abeta also significantly increased during acute sleep deprivation and during orexin infusion, but decreased with infusion of a dual orexin receptor antagonist. Chronic sleep restriction significantly increased, and a dual orexin receptor antagonist decreased, Abeta plaque formation in amyloid precursor protein transgenic mice. Thus, the sleep-wake cycle and orexin may play a role in the pathogenesis of Alzheimer's disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2789838/" 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/PMC2789838/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kang, Jae-Eun -- Lim, Miranda M -- Bateman, Randall J -- Lee, James J -- Smyth, Liam P -- Cirrito, John R -- Fujiki, Nobuhiro -- Nishino, Seiji -- Holtzman, David M -- AG025824/AG/NIA NIH HHS/ -- AG029524/AG/NIA NIH HHS/ -- AG030946/AG/NIA NIH HHS/ -- K01 AG029524/AG/NIA NIH HHS/ -- K01 AG029524-03/AG/NIA NIH HHS/ -- K23 AG030946/AG/NIA NIH HHS/ -- K23 AG030946-03/AG/NIA NIH HHS/ -- MH072525/MH/NIMH NIH HHS/ -- NS065667/NS/NINDS NIH HHS/ -- P30 DK056341/DK/NIDDK NIH HHS/ -- P30 DK056341-09/DK/NIDDK NIH HHS/ -- P30 NS057105/NS/NINDS NIH HHS/ -- P30 NS057105-04/NS/NINDS NIH HHS/ -- P50 AG005681/AG/NIA NIH HHS/ -- R01 AG025824/AG/NIA NIH HHS/ -- R01 AG025824-03/AG/NIA NIH HHS/ -- R01 MH072525/MH/NIMH NIH HHS/ -- R01 MH072525-04/MH/NIMH NIH HHS/ -- R01 NS065667/NS/NINDS NIH HHS/ -- R01 NS065667-02/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 13;326(5955):1005-7. doi: 10.1126/science.1180962. Epub 2009 Sep 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Washington University, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779148" target="_blank"〉PubMed〈/a〉
    Keywords: Acetamides/pharmacology ; Alzheimer Disease/metabolism/*physiopathology ; Amyloid beta-Peptides/cerebrospinal fluid/*metabolism ; Animals ; Antigens, Surface/metabolism ; Circadian Rhythm ; Disease Models, Animal ; Extracellular Fluid/*metabolism ; Female ; Hippocampus/*metabolism ; Humans ; Intracellular Signaling Peptides and Proteins/administration & dosage/*metabolism ; Isoquinolines/pharmacology ; Light ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Neuropeptides/administration & dosage/*metabolism ; Orexin Receptors ; Orexins ; Receptors, Cell Surface/metabolism ; Receptors, G-Protein-Coupled/metabolism ; Receptors, Neuropeptide/metabolism ; Signal Transduction ; *Sleep ; Sleep Deprivation ; *Wakefulness
    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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    Immunology. Dangers in and out (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bianchi, Marco E -- Manfredi, Angelo A -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1683-4. doi: 10.1126/science.1172794.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉San Raffaele University, Faculty of Medicine, and San Raffaele Scientific Institute, via Olgettina 58, 20132 Milano, Italy. bianchi.marco@hsr.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325105" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD24/immunology/metabolism ; Autoimmunity ; HMGB1 Protein/metabolism ; Immunity ; *Immunity, Innate ; Infection/*immunology ; Inflammation/*immunology ; Lectins/immunology/metabolism ; Liver/*immunology/pathology ; Mice ; Necrosis/chemically induced/immunology ; Receptors, Antigen, B-Cell/immunology/metabolism ; Receptors, Pattern Recognition/immunology/metabolism ; Signal Transduction ; Wounds and Injuries/*immunology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Calcineurin/NFAT signaling is required for neuregulin-regulated Schwann cell differentiation (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-31
    Description: Schwann cells develop from multipotent neural crest cells and form myelin sheaths around axons that allow rapid transmission of action potentials. Neuregulin signaling through the ErbB receptor regulates Schwann cell development; however, the downstream pathways are not fully defined. We find that mice lacking calcineurin B1 in the neural crest have defects in Schwann cell differentiation and myelination. Neuregulin addition to Schwann cell precursors initiates an increase in cytoplasmic Ca2+, which activates calcineurin and the downstream transcription factors NFATc3 and c4. Purification of NFAT protein complexes shows that Sox10 is an NFAT nuclear partner and synergizes with NFATc4 to activate Krox20, which regulates genes necessary for myelination. Our studies demonstrate that calcineurin and NFAT are essential for neuregulin and ErbB signaling, neural crest diversification, and differentiation of Schwann cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2790385/" 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/PMC2790385/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kao, Shih-Chu -- Wu, Hai -- Xie, Jianming -- Chang, Ching-Pin -- Ranish, Jeffrey A -- Graef, Isabella A -- Crabtree, Gerald R -- AI60037/AI/NIAID NIH HHS/ -- HD55391/HD/NICHD NIH HHS/ -- NS046789/NS/NINDS NIH HHS/ -- R01 AI060037/AI/NIAID NIH HHS/ -- R01 AI060037-01/AI/NIAID NIH HHS/ -- R01 AI060037-02/AI/NIAID NIH HHS/ -- R01 AI060037-03/AI/NIAID NIH HHS/ -- R01 AI060037-04/AI/NIAID NIH HHS/ -- R01 AI060037-05/AI/NIAID NIH HHS/ -- R01 HD055391/HD/NICHD NIH HHS/ -- R01 NS046789/NS/NINDS NIH HHS/ -- R01 NS046789-01/NS/NINDS NIH HHS/ -- R01 NS046789-02/NS/NINDS NIH HHS/ -- R01 NS046789-03/NS/NINDS NIH HHS/ -- R01 NS046789-04/NS/NINDS NIH HHS/ -- R01 NS046789-05/NS/NINDS NIH HHS/ -- R21 NS061702/NS/NINDS NIH HHS/ -- R21 NS061702-01/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Jan 30;323(5914):651-4. doi: 10.1126/science.1166562.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19179536" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcineurin/*metabolism ; Calcium/metabolism ; Cell Differentiation ; Cell Line ; Coculture Techniques ; Early Growth Response Protein 2/metabolism ; Ganglia, Spinal/cytology ; Mice ; Myelin Sheath/physiology ; NFATC Transcription Factors/*metabolism ; Neural Crest/cytology/metabolism ; Neuregulins/*metabolism ; Phosphorylation ; Receptor, ErbB-2/metabolism ; Receptor, ErbB-3 ; SOXE Transcription Factors/metabolism ; Schwann Cells/*cytology/*metabolism ; *Signal Transduction
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    Evolution of the turtle body plan by the folding and creation of new muscle connections (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-07-11
    Description: The turtle shell offers a fascinating case study of vertebrate evolution, based on the modification of a common body plan. The carapace is formed from ribs, which encapsulate the scapula; this stands in contrast to the typical amniote body plan and serves as a key to understanding turtle evolution. Comparative analyses of musculoskeletal development between the Chinese soft-shelled turtle and other amniotes revealed that initial turtle development conforms to the amniote pattern; however, during embryogenesis, lateral rib growth results in a shift of elements. In addition, some limb muscles establish new turtle-specific attachments associated with carapace formation. We propose that the evolutionary origin of the turtle body plan results from heterotopy based on folding and novel connectivities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nagashima, Hiroshi -- Sugahara, Fumiaki -- Takechi, Masaki -- Ericsson, Rolf -- Kawashima-Ohya, Yoshie -- Narita, Yuichi -- Kuratani, Shigeru -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):193-6. doi: 10.1126/science.1173826.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Evolutionary Morphology, RIKEN Center for Developmental Biology, 2-2-3 Minatojima-minami, Kobe 650-0047, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19590000" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Patterning ; Chick Embryo ; Embryo, Nonmammalian/anatomy & histology ; Embryonic Development ; Mice ; Muscle Development ; Muscle, Skeletal/anatomy & histology/*embryology ; Musculoskeletal Development ; Ribs/anatomy & histology/*embryology ; Scapula/anatomy & histology/*embryology ; Turtles/*anatomy & histology/*embryology
    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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    The increasing complexity of the cancer stem cell paradigm (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-06-27
    Description: The investigation and study of cancer stem cells (CSCs) have received enormous attention over the past 5 to 10 years but remain topics of considerable controversy. Opinions about the validity of the CSC hypothesis, the biological properties of CSCs, and the relevance of CSCs to cancer therapy differ widely. In the following commentary, we discuss the nature of the debate, the parameters by which CSCs can or cannot be defined, and the identification of new potential therapeutic targets elucidated by considering cancer as a problem in stem cell biology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2873047/" 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/PMC2873047/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, Jeffrey M -- Jordan, Craig T -- R01 CA122206/CA/NCI NIH HHS/ -- R01 CA122206-02/CA/NCI NIH HHS/ -- R01-CA122206/CA/NCI NIH HHS/ -- R37 CA016303/CA/NCI NIH HHS/ -- R37 CA016303-36/CA/NCI NIH HHS/ -- R37-CA16303/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1670-3. doi: 10.1126/science.1171837.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19556499" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Mice ; Models, Biological ; Neoplasm Transplantation ; Neoplasms/genetics/metabolism/*pathology/therapy ; Neoplastic Stem Cells/cytology/*physiology ; Transcription, Genetic
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    In vivo analysis of dendritic cell development and homeostasis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-17
    Description: Dendritic cells (DCs) in lymphoid tissue arise from precursors that also produce monocytes and plasmacytoid DCs (pDCs). Where DC and monocyte lineage commitment occurs and the nature of the DC precursor that migrates from the bone marrow to peripheral lymphoid organs are unknown. We show that DC development progresses from the macrophage and DC precursor to common DC precursors that give rise to pDCs and classical spleen DCs (cDCs), but not monocytes, and finally to committed precursors of cDCs (pre-cDCs). Pre-cDCs enter lymph nodes through and migrate along high endothelial venules and later disperse and integrate into the DC network. Further cDC development involves cell division, which is controlled in part by regulatory T cells and fms-like tyrosine kinase receptor-3.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2803315/" 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/PMC2803315/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Kang -- Victora, Gabriel D -- Schwickert, Tanja A -- Guermonprez, Pierre -- Meredith, Matthew M -- Yao, Kaihui -- Chu, Fei-Fan -- Randolph, Gwendalyn J -- Rudensky, Alexander Y -- Nussenzweig, Michel -- P01 AI051573/AI/NIAID NIH HHS/ -- P01 AI051573-010004/AI/NIAID NIH HHS/ -- P01 AI051573-020004/AI/NIAID NIH HHS/ -- P01 AI051573-030004/AI/NIAID NIH HHS/ -- P01 AI051573-040004/AI/NIAID NIH HHS/ -- P01 AI051573-050004/AI/NIAID NIH HHS/ -- P01 AI051573-060004/AI/NIAID NIH HHS/ -- P01 AI051573-069005/AI/NIAID NIH HHS/ -- P01 AI051573-070004/AI/NIAID NIH HHS/ -- P01 AI051573-079005/AI/NIAID NIH HHS/ -- P01 AI051573-080004/AI/NIAID NIH HHS/ -- P01 AI051573-089005/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Apr 17;324(5925):392-7. doi: 10.1126/science.1170540. Epub 2009 Mar 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunology, Rockefeller University, New York, NY 10065, USA. liuk@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286519" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Blood Vessels/cytology ; Bone Marrow Cells/cytology ; Cell Differentiation ; Cell Division ; Cell Lineage ; Cell Movement ; Cell Shape ; Dendritic Cells/*cytology/immunology/physiology ; Homeostasis ; Lymph Nodes/blood supply/cytology/immunology ; Lymphoid Tissue/blood supply/*cytology/immunology ; Macrophages/cytology ; Mice ; Monocytes/*cytology ; Myeloid Progenitor Cells/*cytology/physiology ; Parabiosis ; Signal Transduction ; Spleen/cytology/immunology ; T-Lymphocytes, Regulatory/physiology ; Venules/cytology ; fms-Like Tyrosine Kinase 3/genetics/metabolism
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    Circadian control of the NAD+ salvage pathway by CLOCK-SIRT1 (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-17
    Description: Many metabolic and physiological processes display circadian oscillations. We have shown that the core circadian regulator, CLOCK, is a histone acetyltransferase whose activity is counterbalanced by the nicotinamide adenine dinucleotide (NAD+)-dependent histone deacetylase SIRT1. Here we show that intracellular NAD+ levels cycle with a 24-hour rhythm, an oscillation driven by the circadian clock. CLOCK:BMAL1 regulates the circadian expression of NAMPT (nicotinamide phosphoribosyltransferase), an enzyme that provides a rate-limiting step in the NAD+ salvage pathway. SIRT1 is recruited to the Nampt promoter and contributes to the circadian synthesis of its own coenzyme. Using the specific inhibitor FK866, we demonstrated that NAMPT is required to modulate circadian gene expression. Our findings in mouse embryo fibroblasts reveal an interlocked transcriptional-enzymatic feedback loop that governs the molecular interplay between cellular metabolism and circadian rhythms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakahata, Yasukazu -- Sahar, Saurabh -- Astarita, Giuseppe -- Kaluzova, Milota -- Sassone-Corsi, Paolo -- R01-GM081634/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 May 1;324(5927):654-7. doi: 10.1126/science.1170803. Epub 2009 Mar 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, School of Medicine, University of California, Irvine, Irvine, CA 92697, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286518" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors ; Acrylamides/pharmacology ; Animals ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Biological Clocks ; CLOCK Proteins ; Cell Line ; Chromatin Assembly and Disassembly ; *Circadian Rhythm ; Cytokines/antagonists & inhibitors/genetics/*metabolism ; Enzyme Inhibitors/pharmacology ; *Feedback, Physiological ; *Gene Expression Regulation ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Knockout ; NAD/*metabolism ; Niacinamide/metabolism ; Nicotinamide Phosphoribosyltransferase/antagonists & ; inhibitors/genetics/*metabolism ; Piperidines/pharmacology ; Promoter Regions, Genetic ; Sirtuin 1 ; Sirtuins/*metabolism ; Trans-Activators/genetics/*metabolism ; Transcription, Genetic
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    Perineuronal nets protect fear memories from erasure (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-05
    Description: In adult animals, fear conditioning induces a permanent memory that is resilient to erasure by extinction. In contrast, during early postnatal development, extinction of conditioned fear leads to memory erasure, suggesting that fear memories are actively protected in adults. We show here that this protection is conferred by extracellular matrix chondroitin sulfate proteoglycans (CSPGs) in the amygdala. The organization of CSPGs into perineuronal nets (PNNs) coincided with the developmental switch in fear memory resilience. In adults, degradation of PNNs by chondroitinase ABC specifically rendered subsequently acquired fear memories susceptible to erasure. This result indicates that intact PNNs mediate the formation of erasure-resistant fear memories and identifies a molecular mechanism closing a postnatal critical period during which traumatic memories can be erased by extinction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gogolla, Nadine -- Caroni, Pico -- Luthi, Andreas -- Herry, Cyril -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1258-61. doi: 10.1126/science.1174146.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729657" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/cytology/growth & development/*physiology ; Animals ; Chondroitin ABC Lyase/metabolism ; Chondroitin Sulfate Proteoglycans/metabolism/*physiology ; Conditioning, Classical ; Cues ; *Extinction, Psychological ; Extracellular Matrix/physiology ; *Fear ; Learning ; Male ; Memory/*physiology ; Mice ; Mice, Inbred C57BL ; Neuronal Plasticity
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    Insulin resistance. Prosperity's plague (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-07-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taubes, Gary -- New York, N.Y. -- Science. 2009 Jul 17;325(5938):256-60. doi: 10.1126/science.325_256.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19608888" target="_blank"〉PubMed〈/a〉
    Keywords: Adipocytes/cytology/metabolism ; Adipose Tissue/metabolism ; Animals ; Chronic Disease ; Cytokines/metabolism ; Diabetes Mellitus, Type 2/physiopathology ; Diglycerides/metabolism ; Fatty Acids/blood/metabolism ; Glucose/metabolism ; Humans ; Inflammation/*physiopathology ; Insulin/*physiology ; *Insulin Resistance ; *Lipid Metabolism ; Liver/metabolism ; Muscles/metabolism ; Obesity/physiopathology ; Receptor, Insulin/metabolism ; Signal Transduction
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    How telomeres solve the end-protection problem (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-12-08
    Description: The ends of eukaryotic chromosomes have the potential to be mistaken for damaged or broken DNA and must therefore be protected from cellular DNA damage response pathways. Otherwise, cells might permanently arrest in the cell cycle, and attempts to "repair" the chromosome ends would have devastating consequences for genome integrity. This end-protection problem is solved by protein-DNA complexes called telomeres. Studies of mammalian cells have recently uncovered the mechanism by which telomeres disguise the chromosome ends. Comparison to unicellular eukaryotes reveals key differences in the DNA damage response systems that inadvertently threaten chromosome ends. Telomeres appear to be tailored to these variations, explaining their variable structure and composition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2819049/" 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/PMC2819049/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Lange, Titia -- AG016642/AG/NIA NIH HHS/ -- CA076027/CA/NCI NIH HHS/ -- DP1 OD000379/OD/NIH HHS/ -- DP1 OD000379-01/OD/NIH HHS/ -- DP1 OD000379-02/OD/NIH HHS/ -- DP1 OD000379-03/OD/NIH HHS/ -- DP1 OD000379-04/OD/NIH HHS/ -- DP1 OD000379-05/OD/NIH HHS/ -- GM049046/GM/NIGMS NIH HHS/ -- R01 AG016642/AG/NIA NIH HHS/ -- R01 AG016642-01/AG/NIA NIH HHS/ -- R01 AG016642-02/AG/NIA NIH HHS/ -- R01 AG016642-03/AG/NIA NIH HHS/ -- R01 AG016642-04/AG/NIA NIH HHS/ -- R01 AG016642-05/AG/NIA NIH HHS/ -- R01 AG016642-06/AG/NIA NIH HHS/ -- R01 AG016642-07/AG/NIA NIH HHS/ -- R01 AG016642-08/AG/NIA NIH HHS/ -- R01 AG016642-09/AG/NIA NIH HHS/ -- R01 AG016642-10/AG/NIA NIH HHS/ -- R01 AG016642-11/AG/NIA NIH HHS/ -- R01 CA076027/CA/NCI NIH HHS/ -- R01 CA076027-02/CA/NCI NIH HHS/ -- R01 CA076027-03/CA/NCI NIH HHS/ -- R01 CA076027-04/CA/NCI NIH HHS/ -- R01 CA076027-05A1/CA/NCI NIH HHS/ -- R01 CA076027-06/CA/NCI NIH HHS/ -- R01 CA076027-07/CA/NCI NIH HHS/ -- R01 CA076027-08/CA/NCI NIH HHS/ -- R01 CA076027-09/CA/NCI NIH HHS/ -- R01 CA076027-10/CA/NCI NIH HHS/ -- R01 CA076027-11/CA/NCI NIH HHS/ -- R01 CA076027-11S1/CA/NCI NIH HHS/ -- R01 CA076027-12/CA/NCI NIH HHS/ -- R01 GM049046/GM/NIGMS NIH HHS/ -- R01 GM049046-07/GM/NIGMS NIH HHS/ -- R01 GM049046-08/GM/NIGMS NIH HHS/ -- R01 GM049046-09/GM/NIGMS NIH HHS/ -- R01 GM049046-10/GM/NIGMS NIH HHS/ -- R01 GM049046-11/GM/NIGMS NIH HHS/ -- R01 GM049046-12/GM/NIGMS NIH HHS/ -- R37 GM049046/GM/NIGMS NIH HHS/ -- R37 GM049046-13/GM/NIGMS NIH HHS/ -- R37 GM049046-14/GM/NIGMS NIH HHS/ -- R37 GM049046-15/GM/NIGMS NIH HHS/ -- R37 GM049046-16/GM/NIGMS NIH HHS/ -- R37 GM049046-17/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 13;326(5955):948-52. doi: 10.1126/science.1170633.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology and Genetics, Rockefeller University, New York, NY 10021, USA. delange@mail.rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965504" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosomes/physiology ; Chromosomes, Mammalian/*physiology/ultrastructure ; Ciliophora/genetics/metabolism ; DNA/biosynthesis/*metabolism ; DNA Damage ; DNA Repair ; DNA-Binding Proteins/metabolism ; Humans ; Repetitive Sequences, Nucleic Acid ; Signal Transduction ; Telomerase/metabolism ; Telomere/*physiology/ultrastructure ; Telomere-Binding Proteins/*metabolism ; Telomeric Repeat Binding Protein 2/metabolism ; Yeasts/genetics/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Benzothiazinones kill Mycobacterium tuberculosis by blocking arabinan synthesis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-21
    Description: New drugs are required to counter the tuberculosis (TB) pandemic. Here, we describe the synthesis and characterization of 1,3-benzothiazin-4-ones (BTZs), a new class of antimycobacterial agents that kill Mycobacterium tuberculosis in vitro, ex vivo, and in mouse models of TB. Using genetics and biochemistry, we identified the enzyme decaprenylphosphoryl-beta-d-ribose 2'-epimerase as a major BTZ target. Inhibition of this enzymatic activity abolishes the formation of decaprenylphosphoryl arabinose, a key precursor that is required for the synthesis of the cell-wall arabinans, thus provoking cell lysis and bacterial death. The most advanced compound, BTZ043, is a candidate for inclusion in combination therapies for both drug-sensitive and extensively drug-resistant TB.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3128490/" 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/PMC3128490/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Makarov, Vadim -- Manina, Giulia -- Mikusova, Katarina -- Mollmann, Ute -- Ryabova, Olga -- Saint-Joanis, Brigitte -- Dhar, Neeraj -- Pasca, Maria Rosalia -- Buroni, Silvia -- Lucarelli, Anna Paola -- Milano, Anna -- De Rossi, Edda -- Belanova, Martina -- Bobovska, Adela -- Dianiskova, Petronela -- Kordulakova, Jana -- Sala, Claudia -- Fullam, Elizabeth -- Schneider, Patricia -- McKinney, John D -- Brodin, Priscille -- Christophe, Thierry -- Waddell, Simon -- Butcher, Philip -- Albrethsen, Jakob -- Rosenkrands, Ida -- Brosch, Roland -- Nandi, Vrinda -- Bharath, Sowmya -- Gaonkar, Sheshagiri -- Shandil, Radha K -- Balasubramanian, Venkataraman -- Balganesh, Tanjore -- Tyagi, Sandeep -- Grosset, Jacques -- Riccardi, Giovanna -- Cole, Stewart T -- 062511/Wellcome Trust/United Kingdom -- 080039/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 May 8;324(5928):801-4. doi: 10.1126/science.1171583. Epub 2009 Mar 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉A. N. Bakh Institute of Biochemistry, Russian Academy of Science, 119071 Moscow, Russia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19299584" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antitubercular Agents/chemical synthesis/chemistry/*pharmacology/*therapeutic use ; Arabinose/metabolism ; Cell Wall/metabolism ; Drug Resistance, Bacterial ; Enzyme Inhibitors/cerebrospinal fluid/chemistry/pharmacology/therapeutic use ; Ethambutol/pharmacology ; Gene Expression Regulation, Bacterial/drug effects ; Genes, Bacterial ; Mice ; Mice, Inbred BALB C ; Microbial Sensitivity Tests ; Molecular Sequence Data ; Molecular Structure ; Mycobacterium/drug effects/genetics ; Mycobacterium tuberculosis/*drug effects/genetics/metabolism ; Polysaccharides/*biosynthesis ; Racemases and Epimerases/*antagonists & inhibitors/metabolism ; Spiro Compounds/chemical synthesis/chemistry/*pharmacology/*therapeutic use ; Thiazines/chemical synthesis/chemistry/*pharmacology/*therapeutic use ; Tuberculosis/*drug therapy/microbiology
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    Medicine. Avoiding unintended toxicity (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Golde, Todd E -- Kukar, Thomas L -- K99 AG032362/AG/NIA NIH HHS/ -- K99 AG032362-01A1/AG/NIA NIH HHS/ -- R00 AG032362/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2009 May 1;324(5927):603-4. doi: 10.1126/science.1174267.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mayo Clinic, College of Medicine, Department of Neuroscience, Mayo Clinic Florida, 4500 San Pablo Road, Jacksonville, FL 32224, USA. tgolde@mayo.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19407192" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*drug therapy/metabolism ; Amyloid Precursor Protein Secretases/antagonists & ; inhibitors/chemistry/*metabolism ; Amyloid beta-Peptides/*metabolism ; Amyloid beta-Protein Precursor/*metabolism ; Animals ; Endopeptidases/chemistry/*metabolism ; Humans ; Mice ; Protease Inhibitors/*pharmacology/therapeutic use/toxicity ; Protein Subunits/chemistry/metabolism ; Receptors, Notch/antagonists & inhibitors/metabolism ; Signal Transduction/drug effects
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    Molecular biology. Neutralizing toxic RNA (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-07-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, Thomas A -- R01 AR045653/AR/NIAMS NIH HHS/ -- R01 AR060733/AR/NIAMS NIH HHS/ -- R01 GM076493/GM/NIGMS NIH HHS/ -- R01 HL045565/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 17;325(5938):272-3. doi: 10.1126/science.1177452.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Baylor College of Medicine, Houston, TX 77030, USA. tcooper@bcm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19608901" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions ; Alternative Splicing ; Animals ; Base Pairing ; CELF1 Protein ; Cell Nucleus/metabolism ; Chloride Channels/genetics/metabolism ; DNA-Binding Proteins/metabolism ; Humans ; Mice ; Myotonic Dystrophy/*drug therapy/*genetics/therapy ; Myotonin-Protein Kinase ; Nucleic Acid Conformation ; Oligodeoxyribonucleotides, Antisense/pharmacology/*therapeutic use ; Protein-Serine-Threonine Kinases/genetics ; RNA, Untranslated/chemistry/*genetics/metabolism ; RNA-Binding Proteins/metabolism ; *Trinucleotide Repeat Expansion
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    Different T cell receptor signals determine CD8+ memory versus effector development (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-01-24
    Description: Following infection, naive CD8+ T cells bearing pathogen-specific T cell receptors (TCRs) differentiate into a mixed population of short-lived effector and long-lived memory T cells to mediate an adaptive immune response. How the TCR regulates memory T cell development has remained elusive. Using a mutant TCR transgenic model, we found that point mutations in the TCR beta transmembrane domain (betaTMD) impair the development and function of CD8+ memory T cells without affecting primary effector T cell responses. Mutant T cells are deficient in polarizing the TCR and in organizing the nuclear factor kappaB signal at the immunological synapse. Thus, effector and memory states of CD8+ T cells are separable fates, determined by differential TCR signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Teixeiro, Emma -- Daniels, Mark A -- Hamilton, Sara E -- Schrum, Adam G -- Bragado, Rafael -- Jameson, Stephen C -- Palmer, Ed -- New York, N.Y. -- Science. 2009 Jan 23;323(5913):502-5. doi: 10.1126/science.1163612.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Transplantation Immunology, Department of Biomedicine, University Hospital-Basel, Hebelstrasse 20, 4031-Basel, Switzerland. teixeiropernase@missouri.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19164748" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Antigen-Presenting Cells/immunology ; CD8-Positive T-Lymphocytes/cytology/*immunology/metabolism ; Cell Differentiation ; Genes, T-Cell Receptor beta ; Immunization ; *Immunologic Memory ; Immunological Synapses/immunology ; Listeria monocytogenes ; Listeriosis/immunology ; Lymphocyte Count ; Mice ; Mice, Transgenic ; NF-kappa B/*metabolism ; Point Mutation ; Protein Structure, Tertiary ; Receptors, Antigen, T-Cell, alpha-beta/chemistry/genetics/immunology/*metabolism ; *Signal Transduction ; T-Lymphocyte Subsets/cytology/*immunology
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    Induced chromosomal proximity and gene fusions in prostate cancer (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-11-26
    Description: Gene fusions play a critical role in cancer progression. The mechanisms underlying their genesis and cell type specificity are not well understood. About 50% of human prostate cancers display a gene fusion involving the 5' untranslated region of TMPRSS2, an androgen-regulated gene, and the protein-coding sequences of ERG, which encodes an erythroblast transformation-specific (ETS) transcription factor. By studying human prostate cancer cells with fluorescence in situ hybridization, we show that androgen signaling induces proximity of the TMPRSS2 and ERG genomic loci, both located on chromosome 21q22.2. Subsequent exposure of the cells to gamma irradiation, which causes DNA double-strand breaks, facilitates the formation of the TMPRSS2-ERG gene fusion. These results may help explain why TMPRSS2-ERG fusions are restricted to the prostate, which is dependent on androgen signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2935583/" 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/PMC2935583/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mani, Ram-Shankar -- Tomlins, Scott A -- Callahan, Kaitlin -- Ghosh, Aparna -- Nyati, Mukesh K -- Varambally, Sooryanarayana -- Palanisamy, Nallasivam -- Chinnaiyan, Arul M -- P50 CA069568/CA/NCI NIH HHS/ -- P50 CA069568-11S10020/CA/NCI NIH HHS/ -- P50CA69568/CA/NCI NIH HHS/ -- R01 CA132874/CA/NCI NIH HHS/ -- R01 CA132874-01A1/CA/NCI NIH HHS/ -- R01CA132874/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1230. doi: 10.1126/science.1178124. Epub 2009 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Michigan Center for Translational Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19933109" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line, Tumor ; Chromosome Aberrations ; Chromosomes, Human, Pair 21/*genetics/physiology ; DNA Breaks, Double-Stranded ; Dihydrotestosterone/*metabolism/pharmacology ; Humans ; In Situ Hybridization, Fluorescence ; Male ; *Oncogene Fusion ; Oncogene Proteins, Fusion/*genetics ; Prostatic Neoplasms/*genetics ; Receptors, Androgen/metabolism ; Serine Endopeptidases/*genetics ; Signal Transduction ; Trans-Activators/*genetics
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    Input-specific spine entry of soma-derived Vesl-1S protein conforms to synaptic tagging (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-16
    Description: Late-phase synaptic plasticity depends on the synthesis of new proteins that must function only in the activated synapses. The synaptic tag hypothesis requires input-specific functioning of these proteins after undirected transport. Confirmation of this hypothesis requires specification of a biochemical tagging activity and an example protein that behaves as the hypothesis predicts. We found that in rat neurons, soma-derived Vesl-1S (Homer-1a) protein, a late-phase plasticity-related synaptic protein, prevailed in every dendrite and did not enter spines. N-methyl-d-aspartate receptor activation triggered input-specific spine entry of Vesl-1S proteins, which met many criteria for synaptic tagging. These results suggest that Vesl-1S supports the hypothesis and that the activity-dependent regulation of spine entry functions as a synaptic tag.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okada, Daisuke -- Ozawa, Fumiko -- Inokuchi, Kaoru -- New York, N.Y. -- Science. 2009 May 15;324(5929):904-9. doi: 10.1126/science.1171498.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mitsubishi Kagaku Institute of Life Sciences (MITILS), 11 Minamiooya, Machida, Tokyo 194-8511, Japan. dada@mitils.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443779" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Carrier Proteins/genetics/*metabolism ; Cells, Cultured ; Dendrites/*metabolism ; Dendritic Spines/*metabolism/ultrastructure ; Hippocampus/cytology/metabolism ; Mice ; *Neuronal Plasticity ; Plasmids ; Protein Transport ; Rats ; Rats, Wistar ; Receptors, N-Methyl-D-Aspartate/metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Synapses/*metabolism ; Synaptic Transmission ; Transfection
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    Hormone (dis)harmony moulds plant health and disease (2009)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2009-05-09
    Description: Diseased plants often display phenotypes consistent with hormone perturbations. We review recent data that have revealed roles in plant-microbe interactions for cellular components and signaling molecules that previously were associated only with hormone signaling. A better understanding of cross-talk between hormonal and defense signaling pathways should reveal new potential targets for microbial effectors that attenuate host resistance mechanisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grant, Murray R -- Jones, Jonathan D G -- BB/C514115/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 May 8;324(5928):750-2. doi: 10.1126/science.1173771.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biosciences, University of Exeter, Exeter EX4 4QD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423816" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/metabolism ; Bacteria/metabolism/*pathogenicity ; Cyclopentanes/metabolism ; Ethylenes/metabolism ; Fungi/metabolism/*pathogenicity ; Gene Expression Regulation, Plant ; Gibberellins/metabolism ; *Host-Pathogen Interactions ; Indoleacetic Acids/metabolism ; Oomycetes/pathogenicity ; Oxylipins/metabolism ; Plant Diseases/*microbiology ; Plant Growth Regulators/*metabolism ; Plant Proteins/metabolism ; Plants/genetics/*metabolism/*microbiology ; Repressor Proteins/metabolism ; Salicylic Acid/metabolism ; Signal Transduction
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    Recruitment of antigen-specific CD8+ T cells in response to infection is markedly efficient (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-09-05
    Description: The magnitude of antigen-specific CD8+ T cell responses is not fixed but correlates with the severity of infection. Although by definition T cell response size is the product of both the capacity to recruit naive T cells (clonal selection) and their subsequent proliferation (clonal expansion), it remains undefined how these two factors regulate antigen-specific T cell responses. We determined the relative contribution of recruitment and expansion by labeling naive T cells with unique genetic tags and transferring them into mice. Under disparate infection conditions with different pathogens and doses, recruitment of antigen-specific T cells was near constant and close to complete. Thus, naive T cell recruitment is highly efficient, and the magnitude of antigen-specific CD8+ T cell responses is primarily controlled by clonal expansion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Heijst, Jeroen W J -- Gerlach, Carmen -- Swart, Erwin -- Sie, Daoud -- Nunes-Alves, Claudio -- Kerkhoven, Ron M -- Arens, Ramon -- Correia-Neves, Margarida -- Schepers, Koen -- Schumacher, Ton N M -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1265-9. doi: 10.1126/science.1175455.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729659" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Ampicillin/therapeutic use ; Animals ; Anti-Bacterial Agents/therapeutic use ; Antigens/*immunology ; Antigens, Bacterial/immunology ; Antigens, Viral/immunology ; CD8-Positive T-Lymphocytes/*immunology ; Dendritic Cells/immunology ; Epitopes/immunology ; Genes, T-Cell Receptor alpha ; Genes, T-Cell Receptor beta ; Influenza A virus/immunology ; Listeriosis/drug therapy/*immunology ; *Lymphocyte Activation ; Lymphocyte Count ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Molecular Sequence Data ; Orthomyxoviridae Infections/immunology ; Ovalbumin/immunology ; Receptors, Antigen, T-Cell, alpha-beta/chemistry/immunology ; Spleen/immunology ; Vaccinia/immunology ; Virus Diseases/*immunology
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    Reprogramming plant cells for endosymbiosis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-09
    Description: The establishment of arbuscular mycorrhizal (AM) symbioses, formed by most flowering plants in association with glomeromycotan fungi, and the root-nodule (RN) symbiosis, formed by legume plants and rhizobial bacteria, requires an ongoing molecular dialogue that underpins the reprogramming of root cells for compatibility. In both endosymbioses, there are distinct phases to the interaction, including a presymbiotic anticipation phase and, subsequently, an intraradical accommodation of the microsymbiont. Maintenance of the endosymbiosis then depends on reciprocal nutrient exchange with the microsymbiont-obtaining plant photosynthates in exchange for mineral nutrients: enhanced phosphate and nitrogen uptake from AM fungi and fixed nitrogen from rhizobia. Despite the taxonomically distinct groups of symbionts, commonalities are observed in the signaling components and the modulation of host cell responses in both AM and RN symbioses, reflecting common mechanisms for plant cell reprogramming during endosymbiosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oldroyd, Giles E D -- Harrison, Maria J -- Paszkowski, Uta -- BB/E003850/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 May 8;324(5928):753-4. doi: 10.1126/science.1171644.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Disease and Stress Biology, John Innes Centre, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423817" target="_blank"〉PubMed〈/a〉
    Keywords: *Bacterial Physiological Phenomena ; Gene Expression Regulation, Plant ; Lipopolysaccharides/metabolism ; Mycorrhizae/growth & development/*physiology ; Nitrogen Fixation ; Plant Proteins/metabolism ; Plant Root Nodulation ; Plant Roots/metabolism ; Plants/genetics/*metabolism/*microbiology ; Rhizobiaceae/*physiology ; Root Nodules, Plant/*microbiology ; Signal Transduction ; *Symbiosis ; Transcription Factors/metabolism
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    GE Prize essay. The molecular basis of size differences (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crickmore, Michael A -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1360-1. doi: 10.1126/science.1184444.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Neurogenetics and Behavior, Rockefeller University, New York, NY 10065, USA. mcrickmore@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965749" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Awards and Prizes ; Drosophila Proteins/*genetics/*metabolism/*physiology ; Drosophila melanogaster/*anatomy & histology/genetics/metabolism ; Gene Expression Regulation, Developmental ; *Genes, Homeobox ; Genes, Insect ; Homeodomain Proteins/*genetics/*physiology ; Organ Size ; Protein-Serine-Threonine Kinases/genetics/metabolism ; Receptors, Cell Surface/genetics/metabolism ; Signal Transduction ; Transcription Factors/*genetics/*physiology ; Wings, Animal/*anatomy & histology/cytology/growth & development/metabolism
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    Cancer. Breaching the cancer fortress (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olson, Peter -- Hanahan, Douglas -- New York, N.Y. -- Science. 2009 Jun 12;324(5933):1400-1. doi: 10.1126/science.1175940.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Comprehensive Cancer Center, Diabetes Center and Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA 94143-0534, USA. polson@diabetes.ucsf.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19520948" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antimetabolites, Antineoplastic/administration & dosage/therapeutic use ; *Antineoplastic Combined Chemotherapy Protocols ; Carcinoma, Pancreatic Ductal/blood supply/*drug therapy/metabolism/*pathology ; Deoxycytidine/administration & dosage/*analogs & derivatives/therapeutic use ; Disease Models, Animal ; Fibroblasts/pathology ; Hedgehog Proteins/antagonists & inhibitors/metabolism ; Humans ; Mice ; Neoplasm Metastasis ; Neoplasm Transplantation ; Neovascularization, Pathologic ; Pancreatic Neoplasms/blood supply/*drug therapy/metabolism/*pathology ; Signal Transduction/drug effects ; Stromal Cells/drug effects/pathology
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    Neuroscience. Crossing the line (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kidd, Thomas -- New York, N.Y. -- Science. 2009 May 15;324(5929):893-4. doi: 10.1126/science.1174216.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Nevada, Reno, NV 89557, USA. tkidd@unr.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443775" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/*physiology ; Cell Adhesion Molecules/metabolism ; Drosophila Proteins/*genetics/metabolism ; Drosophila melanogaster/*genetics/growth & development/metabolism ; *Gene Expression Regulation, Developmental ; Membrane Proteins/*genetics/metabolism ; Mutation ; Nerve Growth Factors/metabolism ; Nerve Tissue Proteins/*genetics/metabolism ; Nervous System/growth & development ; Neurons/*physiology ; Receptors, Cell Surface/genetics/*metabolism ; Signal Transduction
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    Regulators of PP2C phosphatase activity function as abscisic acid sensors (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-02
    Description: The plant hormone abscisic acid (ABA) acts as a developmental signal and as an integrator of environmental cues such as drought and cold. Key players in ABA signal transduction include the type 2C protein phosphatases (PP2Cs) ABI1 and ABI2, which act by negatively regulating ABA responses. In this study, we identify interactors of ABI1 and ABI2 which we have named regulatory components of ABA receptor (RCARs). In Arabidopsis, RCARs belong to a family with 14 members that share structural similarity with class 10 pathogen-related proteins. RCAR1 was shown to bind ABA, to mediate ABA-dependent inactivation of ABI1 or ABI2 in vitro, and to antagonize PP2C action in planta. Other RCARs also mediated ABA-dependent regulation of ABI1 and ABI2, consistent with a combinatorial assembly of receptor complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ma, Yue -- Szostkiewicz, Izabela -- Korte, Arthur -- Moes, Daniele -- Yang, Yi -- Christmann, Alexander -- Grill, Erwin -- New York, N.Y. -- Science. 2009 May 22;324(5930):1064-8. doi: 10.1126/science.1172408. Epub 2009 Apr 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lehrstuhl fur Botanik, Technische Universitat Munchen, Am Hochanger 4, D-85354 Freising, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19407143" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*metabolism/pharmacology ; Amino Acid Sequence ; Arabidopsis/genetics/*metabolism/physiology ; Arabidopsis Proteins/antagonists & inhibitors/chemistry/genetics/*metabolism ; Binding Sites ; Carrier Proteins/chemistry/genetics/*metabolism ; Gene Expression Regulation, Plant ; Germination ; Molecular Sequence Data ; Phosphoprotein Phosphatases/antagonists & ; inhibitors/chemistry/genetics/*metabolism ; Plant Roots/growth & development ; Plant Stomata/physiology ; Plants, Genetically Modified ; Point Mutation ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Stereoisomerism ; Up-Regulation
    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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  • 88
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    Fast synaptic subcortical control of hippocampal circuits (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-10-17
    Description: Cortical information processing is under state-dependent control of subcortical neuromodulatory systems. Although this modulatory effect is thought to be mediated mainly by slow nonsynaptic metabotropic receptors, other mechanisms, such as direct synaptic transmission, are possible. Yet, it is currently unknown if any such form of subcortical control exists. Here, we present direct evidence of a strong, spatiotemporally precise excitatory input from an ascending neuromodulatory center. Selective stimulation of serotonergic median raphe neurons produced a rapid activation of hippocampal interneurons. At the network level, this subcortical drive was manifested as a pattern of effective disynaptic GABAergic inhibition that spread throughout the circuit. This form of subcortical network regulation should be incorporated into current concepts of normal and pathological cortical function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Varga, Viktor -- Losonczy, Attila -- Zemelman, Boris V -- Borhegyi, Zsolt -- Nyiri, Gabor -- Domonkos, Andor -- Hangya, Balazs -- Holderith, Noemi -- Magee, Jeffrey C -- Freund, Tamas F -- HHMI55005608/Howard Hughes Medical Institute/ -- MH-54671/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 16;326(5951):449-53. doi: 10.1126/science.1178307.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Experimental Medicine, Budapest 1083, Hungary. vargav@koki.hu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833972" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Electric Stimulation ; Excitatory Postsynaptic Potentials ; Glutamic Acid/physiology ; Hippocampus/cytology/*physiology ; Inhibitory Postsynaptic Potentials ; Interneurons/*physiology ; Mice ; Neural Inhibition/physiology ; Neural Pathways/physiology ; Neurons, Afferent/*physiology ; Patch-Clamp Techniques ; Photic Stimulation ; Raphe Nuclei/cytology/*physiology ; Rats ; Rats, Sprague-Dawley ; Serotonin/*physiology ; Synapses/*physiology ; Synaptic Potentials/*physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 89
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    IRAP identifies an endosomal compartment required for MHC class I cross-presentation (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-06-06
    Description: Major histocompatibility complex (MHC) class I molecules present peptides, produced through cytosolic proteasomal degradation of cellular proteins, to cytotoxic T lymphocytes. In dendritic cells, the peptides can also be derived from internalized antigens through a process known as cross-presentation. The cellular compartments involved in cross-presentation remain poorly defined. We found a role for peptide trimming by insulin-regulated aminopeptidase (IRAP) in cross-presentation. In human dendritic cells, IRAP was localized to a Rab14+ endosomal storage compartment in which it interacted with MHC class I molecules. IRAP deficiency compromised cross-presentation in vitro and in vivo but did not affect endogenous presentation. We propose the existence of two pathways for proteasome-dependent cross-presentation in which final peptide trimming involves IRAP in endosomes and involves the related aminopeptidases in the endoplasmic reticulum.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saveanu, Loredana -- Carroll, Oliver -- Weimershaus, Mirjana -- Guermonprez, Pierre -- Firat, Elke -- Lindo, Vivian -- Greer, Fiona -- Davoust, Jean -- Kratzer, Roland -- Keller, Susanna R -- Niedermann, Gabriele -- van Endert, Peter -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):213-7. doi: 10.1126/science.1172845. Epub 2009 Jun 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM, U580, 75015 Paris, France; Universite Paris Descartes, Faculte de Medecine Rene Descartes, 75015 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498108" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; *Antigen Presentation ; CD8-Positive T-Lymphocytes/immunology ; *Cross-Priming ; Cystinyl Aminopeptidase/*metabolism ; Dendritic Cells/enzymology/*immunology/metabolism ; Endosomes/*enzymology ; Epitopes ; HLA Antigens/immunology/metabolism ; Histocompatibility Antigens Class I/*immunology/*metabolism ; Humans ; Mice ; Mice, Knockout ; Phagocytosis ; Phagosomes/enzymology ; Proteasome Endopeptidase Complex/metabolism ; Substrate Specificity
    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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  • 90
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    Ventral tegmental area BDNF induces an opiate-dependent-like reward state in naive rats (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-30
    Description: The neural mechanisms underlying the transition from a drug-nondependent to a drug-dependent state remain elusive. Chronic exposure to drugs has been shown to increase brain-derived neurotrophic factor (BDNF) levels in ventral tegmental area (VTA) neurons. BDNF infusions into the VTA potentiate several behavioral effects of drugs, including psychomotor sensitization and cue-induced drug seeking. We found that a single infusion of BDNF into the VTA promotes a shift from a dopamine-independent to a dopamine-dependent opiate reward system, identical to that seen when an opiate-naive rat becomes dependent and withdrawn. This shift involves a switch in the gamma-aminobutyric acid type A (GABAA) receptors of VTA GABAergic neurons, from inhibitory to excitatory signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2913611/" 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/PMC2913611/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vargas-Perez, Hector -- Ting-A Kee, Ryan -- Walton, Christine H -- Hansen, D Micah -- Razavi, Rozita -- Clarke, Laura -- Bufalino, Mary Rose -- Allison, David W -- Steffensen, Scott C -- van der Kooy, Derek -- AA13666/AA/NIAAA NIH HHS/ -- R01 AA013666/AA/NIAAA NIH HHS/ -- R01 AA013666-09/AA/NIAAA NIH HHS/ -- R01 AA020919/AA/NIAAA NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1732-4. doi: 10.1126/science.1168501. Epub 2009 May 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Genetics, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada. vargashector@yahoo.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19478142" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bicuculline/pharmacology ; Brain-Derived Neurotrophic Factor/administration & ; dosage/genetics/*metabolism/*pharmacology ; Conditioning (Psychology) ; Dopamine/physiology ; Dopamine Antagonists/administration & dosage/pharmacology ; Flupenthixol/administration & dosage/pharmacology ; GABA Agonists/pharmacology ; GABA Antagonists/pharmacology ; Heroin Dependence/metabolism ; Male ; Morphine/administration & dosage ; Muscimol/pharmacology ; Opioid-Related Disorders/*metabolism ; RNA, Messenger/genetics/metabolism ; Rats ; Rats, Wistar ; Receptors, GABA-A/metabolism ; *Reward ; Signal Transduction ; Substance Withdrawal Syndrome/metabolism ; Ventral Tegmental Area/drug effects/*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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  • 91
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    Cell biology. Hypoxic hookup (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-06-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guarente, Leonard -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1281-2. doi: 10.1126/science.1175679.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Paul F. Glenn Lab and Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. leng@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498158" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Aging ; Animals ; Basic Helix-Loop-Helix Transcription Factors/*metabolism ; *Cell Hypoxia ; Cells, Cultured ; Erythropoietin/biosynthesis/genetics ; Gene Expression ; Gene Expression Regulation ; Humans ; Hypoxia-Inducible Factor 1, alpha Subunit/metabolism ; Liver/embryology/metabolism ; Mice ; NAD/metabolism ; Neoplasms/metabolism/pathology ; Oxidation-Reduction ; Sirtuin 1 ; Sirtuins/genetics/*metabolism
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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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    Trifurcate feed-forward regulation of age-dependent cell death involving miR164 in Arabidopsis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-02-21
    Description: Aging induces gradual yet massive cell death in higher organisms, including annual plants. Even so, the underlying regulatory mechanisms are barely known, despite the long-standing interest in this topic. Here, we demonstrate that ORE1, which is a NAC (NAM, ATAF, and CUC) transcription factor, positively regulates aging-induced cell death in Arabidopsis leaves. ORE1 expression is up-regulated concurrently with leaf aging by EIN2 but is negatively regulated by miR164. miR164 expression gradually decreases with aging through negative regulation by EIN2, which leads to the elaborate up-regulation of ORE1 expression. However, EIN2 still contributes to aging-induced cell death in the absence of ORE1. The trifurcate feed-forward pathway involving ORE1, miR164, and EIN2 provides a highly robust regulation to ensure that aging induces cell death in Arabidopsis leaves.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Jin Hee -- Woo, Hye Ryun -- Kim, Jeongsik -- Lim, Pyung Ok -- Lee, In Chul -- Choi, Seung Hee -- Hwang, Daehee -- Nam, Hong Gil -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):1053-7. doi: 10.1126/science.1166386.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Life Sciences, Pohang University of Science and Technology, Hyoja-dong, Pohang, Kyungbuk, 790-784, Republic of Korea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19229035" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; *Apoptosis ; Arabidopsis/cytology/genetics/*physiology ; Arabidopsis Proteins/genetics/*physiology ; Down-Regulation ; Gene Expression Regulation, Plant ; Genes, Plant ; MicroRNAs/genetics/*physiology ; Mutation ; Plant Leaves/cytology/*physiology ; Plants, Genetically Modified ; RNA, Messenger/genetics/metabolism ; RNA, Plant/genetics/*physiology ; Receptors, Cell Surface/genetics/*physiology ; Signal Transduction ; Transcription Factors/genetics/*physiology ; Up-Regulation
    Print ISSN: 0036-8075
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  • 93
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    A role for the CHC22 clathrin heavy-chain isoform in human glucose metabolism (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-05-30
    Description: Intracellular trafficking of the glucose transporter GLUT4 from storage compartments to the plasma membrane is triggered in muscle and fat during the body's response to insulin. Clathrin is involved in intracellular trafficking, and in humans, the clathrin heavy-chain isoform CHC22 is highly expressed in skeletal muscle. We found a role for CHC22 in the formation of insulin-responsive GLUT4 compartments in human muscle and adipocytes. CHC22 also associated with expanded GLUT4 compartments in muscle from type 2 diabetic patients. Tissue-specific introduction of CHC22 in mice, which have only a pseudogene for this protein, caused aberrant localization of GLUT4 transport pathway components in their muscle, as well as features of diabetes. Thus, CHC22-dependent membrane trafficking constitutes a species-restricted pathway in human muscle and fat with potential implications for type 2 diabetes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2975026/" 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/PMC2975026/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vassilopoulos, Stephane -- Esk, Christopher -- Hoshino, Sachiko -- Funke, Birgit H -- Chen, Chih-Ying -- Plocik, Alex M -- Wright, Woodring E -- Kucherlapati, Raju -- Brodsky, Frances M -- GM038093/GM/NIGMS NIH HHS/ -- HD47863/HD/NICHD NIH HHS/ -- R01 GM038093/GM/NIGMS NIH HHS/ -- R01 GM038093-19/GM/NIGMS NIH HHS/ -- R01 GM038093-19S1/GM/NIGMS NIH HHS/ -- R01 GM038093-20A1/GM/NIGMS NIH HHS/ -- R01 HD047863/HD/NICHD NIH HHS/ -- R01 HD047863-01/HD/NICHD NIH HHS/ -- R01 HD047863-02/HD/NICHD NIH HHS/ -- R01 HD047863-03/HD/NICHD NIH HHS/ -- R01 HD047863-04/HD/NICHD NIH HHS/ -- R01 HD047863-05/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2009 May 29;324(5931):1192-6. doi: 10.1126/science.1171529.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering and Therapeutic Sciences, University of California, School of Pharmacy, San Francisco (UCSF), San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19478182" target="_blank"〉PubMed〈/a〉
    Keywords: Adipocytes/cytology/*metabolism/ultrastructure ; Animals ; Blood Glucose/metabolism ; Cell Differentiation ; Cell Line ; Cell Membrane/metabolism ; Clathrin/chemistry/*metabolism ; Clathrin Heavy Chains ; Clathrin-Coated Vesicles/*metabolism ; Diabetes Mellitus, Type 2/*metabolism ; Glucose/*metabolism ; Glucose Transporter Type 4/*metabolism ; Humans ; Insulin/blood/pharmacology ; Mice ; Mice, Transgenic ; Muscle Fibers, Skeletal/metabolism ; Muscle, Skeletal/*metabolism/ultrastructure ; Myoblasts/cytology/metabolism/ultrastructure ; Protein Isoforms/chemistry/metabolism ; Protein Transport ; Signal Transduction
    Print ISSN: 0036-8075
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    Two chemoreceptors mediate developmental effects of dauer pheromone in C. elegans (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-10-03
    Description: Intraspecific chemical communication is mediated by signals called pheromones. Caenorhabditis elegans secretes a mixture of small molecules (collectively termed dauer pheromone) that regulates entry into the alternate dauer larval stage and also modulates adult behavior via as yet unknown receptors. Here, we identify two heterotrimeric GTP-binding protein (G protein)-coupled receptors (GPCRs) that mediate dauer formation in response to a subset of dauer pheromone components. The SRBC-64 and SRBC-66 GPCRs are members of the large Caenorhabditis-specific SRBC subfamily and are expressed in the ASK chemosensory neurons, which are required for pheromone-induced dauer formation. Expression of both, but not each receptor alone, confers pheromone-mediated effects on heterologous cells. Identification of dauer pheromone receptors will allow a better understanding of the signaling cascades that transduce the context-dependent effects of ecologically important chemical signals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4448937/" 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/PMC4448937/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Kyuhyung -- Sato, Koji -- Shibuya, Mayumi -- Zeiger, Danna M -- Butcher, Rebecca A -- Ragains, Justin R -- Clardy, Jon -- Touhara, Kazushige -- Sengupta, Piali -- F32 GM077943/GM/NIGMS NIH HHS/ -- P30 NS045713/NS/NINDS NIH HHS/ -- P30 NS45713/NS/NINDS NIH HHS/ -- R01 CA024487/CA/NCI NIH HHS/ -- R01 CA24487/CA/NCI NIH HHS/ -- R01 GM056223/GM/NIGMS NIH HHS/ -- R01 GM56223/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 13;326(5955):994-8. doi: 10.1126/science.1176331. Epub 2009 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and National Center for Behavioral Genomics, Brandeis University, Waltham, MA 02454, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797623" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/genetics/*growth & development/*physiology ; Caenorhabditis elegans Proteins/genetics/physiology ; Calcium/metabolism ; Cell Line ; Chemoreceptor Cells/metabolism ; Cyclic AMP/metabolism ; Cyclic GMP/metabolism ; GTP-Binding Protein alpha Subunits, Gi-Go/physiology ; Gene Expression Regulation, Developmental ; Genes, Helminth ; Guanylate Cyclase/antagonists & inhibitors/metabolism ; Hexoses/chemistry/physiology ; Humans ; Mutation ; Pheromones/*physiology ; Receptors, G-Protein-Coupled ; Reproduction ; Signal Transduction ; Transfection
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  • 95
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    Preferential generation of follicular B helper T cells from Foxp3+ T cells in gut Peyer's patches (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-17
    Description: Most of the immunoglobulin A (IgA) in the gut is generated by B cells in the germinal centers of Peyer's patches through a process that requires the presence of CD4+ follicular B helper T(TFH) cells. The nature of these T(FH) cells in Peyer's patches has been elusive. Here, we demonstrate that suppressive Foxp3+CD4+ T cells can differentiate into TFH cells in mouse Peyer's patches. The conversion of Foxp3+ T cells into TFH cells requires the loss of Foxp3 expression and subsequent interaction with B cells. Thus, environmental cues present in gut Peyer's patches promote the selective differentiation of distinct helper T cell subsets, such as TFH cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsuji, Masayuki -- Komatsu, Noriko -- Kawamoto, Shimpei -- Suzuki, Keiichiro -- Kanagawa, Osami -- Honjo, Tasuku -- Hori, Shohei -- Fagarasan, Sidonia -- New York, N.Y. -- Science. 2009 Mar 13;323(5920):1488-92. doi: 10.1126/science.1169152.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Mucosal Immunity, RIKEN, Yokohama 1-7-22, Tsurumi, Yokohama, 230-0045, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286559" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Antigens, CD40/metabolism ; B-Lymphocytes/immunology ; CD4-Positive T-Lymphocytes/cytology/*immunology/metabolism ; Cell Differentiation ; Dendritic Cells/cytology/immunology ; Down-Regulation ; Forkhead Transcription Factors/genetics/*metabolism ; Gene Expression Profiling ; Germinal Center/immunology ; Immunoglobulin A, Secretory/biosynthesis ; Intestine, Small/cytology/immunology ; Lymph Nodes/cytology/immunology ; Lymphocyte Activation ; Mice ; Mice, Transgenic ; Peyer's Patches/cytology/*immunology ; Spleen/cytology/immunology ; T-Lymphocyte Subsets/cytology/*immunology/metabolism ; T-Lymphocytes, Helper-Inducer/cytology/*immunology/metabolism ; T-Lymphocytes, Regulatory/cytology/*immunology/metabolism
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    Medicine. A reinnervating microRNA (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, Robert H -- New York, N.Y. -- Science. 2009 Dec 11;326(5959):1494-5. doi: 10.1126/science.1183842.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurology, Biochemistry and Molecular Pharmacology and Program in Neuroscience, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA. robert.brown@umassmed.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007892" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/pathology/*physiopathology ; Animals ; Binding Sites ; Carrier Proteins/metabolism ; Disease Models, Animal ; Histone Deacetylases/metabolism ; Mice ; Mice, Transgenic ; MicroRNAs/genetics/*metabolism ; Muscle Cells/enzymology ; Muscle Denervation ; Muscle, Skeletal/innervation/metabolism ; Myostatin/genetics ; Neuromuscular Junction/*pathology/*physiology ; RNA Interference ; Sequence Analysis, RNA ; Signal Transduction
    Print ISSN: 0036-8075
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    Ribosomal protein S6 kinase 1 signaling regulates mammalian life span (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-10-03
    Description: Caloric restriction (CR) protects against aging and disease, but the mechanisms by which this affects mammalian life span are unclear. We show in mice that deletion of ribosomal S6 protein kinase 1 (S6K1), a component of the nutrient-responsive mTOR (mammalian target of rapamycin) signaling pathway, led to increased life span and resistance to age-related pathologies, such as bone, immune, and motor dysfunction and loss of insulin sensitivity. Deletion of S6K1 induced gene expression patterns similar to those seen in CR or with pharmacological activation of adenosine monophosphate (AMP)-activated protein kinase (AMPK), a conserved regulator of the metabolic response to CR. Our results demonstrate that S6K1 influences healthy mammalian life-span and suggest that therapeutic manipulation of S6K1 and AMPK might mimic CR and could provide broad protection against diseases of aging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Selman, Colin -- Tullet, Jennifer M A -- Wieser, Daniela -- Irvine, Elaine -- Lingard, Steven J -- Choudhury, Agharul I -- Claret, Marc -- Al-Qassab, Hind -- Carmignac, Danielle -- Ramadani, Faruk -- Woods, Angela -- Robinson, Iain C A -- Schuster, Eugene -- Batterham, Rachel L -- Kozma, Sara C -- Thomas, George -- Carling, David -- Okkenhaug, Klaus -- Thornton, Janet M -- Partridge, Linda -- Gems, David -- Withers, Dominic J -- BBS/E/B/0000C236/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBS/E/B/0000M979/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0800339/Medical Research Council/United Kingdom -- G108/551/Medical Research Council/United Kingdom -- MC_U117531708/Medical Research Council/United Kingdom -- MC_U120027537/Medical Research Council/United Kingdom -- MC_U120097114/Medical Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):140-4. doi: 10.1126/science.1177221.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Healthy Ageing, Centre for Diabetes and Endocrinology, Department of Medicine, University College London, London WC1E 6JJ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797661" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases/metabolism ; Adipose Tissue, White/metabolism ; Aging/*physiology ; Animals ; Bone Density ; Caloric Restriction ; Female ; Gene Deletion ; Gene Expression ; Gene Expression Regulation ; Insulin/metabolism ; Liver/metabolism ; Longevity/*physiology ; Male ; Mice ; Mice, Inbred C57BL ; Motor Activity ; Muscle, Skeletal/metabolism ; Protein Kinases/metabolism ; Ribosomal Protein S6 Kinases, 90-kDa/genetics/*metabolism ; *Signal Transduction ; T-Lymphocyte Subsets/immunology ; TOR Serine-Threonine Kinases ; Transcription, Genetic
    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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  • 98
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    Regulation of hypoxia-inducible factor 2alpha signaling by the stress-responsive deacetylase sirtuin 1 (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-06-06
    Description: To survive in hostile environments, organisms activate stress-responsive transcriptional regulators that coordinately increase production of protective factors. Hypoxia changes cellular metabolism and thus activates redox-sensitive as well as oxygen-dependent signal transducers. We demonstrate that Sirtuin 1 (Sirt1), a redox-sensing deacetylase, selectively stimulates activity of the transcription factor hypoxia-inducible factor 2 alpha (HIF-2alpha) during hypoxia. The effect of Sirt1 on HIF-2alpha required direct interaction of the proteins and intact deacetylase activity of Sirt1. Select lysine residues in HIF-2alpha that are acetylated during hypoxia confer repression of Sirt1 augmentation by small-molecule inhibitors. In cultured cells and mice, decreasing or increasing Sirt1 activity or levels affected expression of the HIF-2alpha target gene erythropoietin accordingly. Thus, Sirt1 promotes HIF-2 signaling during hypoxia and likely other environmental stresses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dioum, Elhadji M -- Chen, Rui -- Alexander, Matthew S -- Zhang, Quiyang -- Hogg, Richard T -- Gerard, Robert D -- Garcia, Joseph A -- I01 BX000446/BX/BLRD VA/ -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1289-93. doi: 10.1126/science.1169956.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Veterans Affairs North Texas Health Care System, Department of Medicine, 4500 South Lancaster Road, Dallas, TX 75216, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498162" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Amino Acid Substitution ; Animals ; Basic Helix-Loop-Helix Transcription Factors/chemistry/genetics/*metabolism ; *Cell Hypoxia ; Cell Line ; Cell Line, Tumor ; Erythropoietin/genetics ; Gene Expression Regulation ; Humans ; Kidney/metabolism ; Liver/embryology/metabolism ; Mice ; Mice, Knockout ; Mutant Proteins/chemistry/metabolism ; Oxidation-Reduction ; *Signal Transduction ; Sirtuin 1 ; Sirtuins/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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  • 99
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    gamma-Secretase heterogeneity in the Aph1 subunit: relevance for Alzheimer's disease (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-03-21
    Description: The gamma-secretase complex plays a role in Alzheimer's disease and cancer progression. The development of clinically useful inhibitors, however, is complicated by the role of the gamma-secretase complex in regulated intramembrane proteolysis of Notch and other essential proteins. Different gamma-secretase complexes containing different Presenilin or Aph1 protein subunits are present in various tissues. Here we show that these complexes have heterogeneous biochemical and physiological properties. Specific inactivation of the Aph1B gamma-secretase in a mouse Alzheimer's disease model led to improvements of Alzheimer's disease-relevant phenotypic features without any Notch-related side effects. The Aph1B complex contributes to total gamma-secretase activity in the human brain, and thus specific targeting of Aph1B-containing gamma-secretase complexes may help generate less toxic therapies for Alzheimer's disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2740474/" 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/PMC2740474/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Serneels, Lutgarde -- Van Biervliet, Jerome -- Craessaerts, Katleen -- Dejaegere, Tim -- Horre, Katrien -- Van Houtvin, Tine -- Esselmann, Hermann -- Paul, Sabine -- Schafer, Martin K -- Berezovska, Oksana -- Hyman, Bradley T -- Sprangers, Ben -- Sciot, Raf -- Moons, Lieve -- Jucker, Mathias -- Yang, Zhixiang -- May, Patrick C -- Karran, Eric -- Wiltfang, Jens -- D'Hooge, Rudi -- De Strooper, Bart -- AG 13579/AG/NIA NIH HHS/ -- AG026593/AG/NIA NIH HHS/ -- P01 AG015379/AG/NIA NIH HHS/ -- P01 AG015379-110009/AG/NIA NIH HHS/ -- P01AG015379/AG/NIA NIH HHS/ -- R01 AG026593/AG/NIA NIH HHS/ -- R01 AG026593-01A1/AG/NIA NIH HHS/ -- R01AG026593/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2009 May 1;324(5927):639-42. doi: 10.1126/science.1171176. Epub 2009 Mar 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department for Molecular and Developmental Genetics, VIB, KULeuven, Herestraat 49, 3000 Leuven, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19299585" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/drug therapy/*metabolism ; Amyloid Precursor Protein Secretases/antagonists & ; inhibitors/*chemistry/genetics/*metabolism ; Amyloid beta-Peptides/analysis/chemistry/*metabolism ; Amyloid beta-Protein Precursor/metabolism ; Animals ; Brain/*metabolism ; Disease Models, Animal ; Endopeptidases/chemistry/genetics/*metabolism ; Female ; Humans ; Maze Learning ; Membrane Proteins/metabolism ; Memory ; Mice ; Neurons/metabolism ; Peptide Fragments/analysis/metabolism ; Peptide Hydrolases/metabolism ; Presenilin-1/chemistry/genetics/metabolism ; Protein Subunits/chemistry/metabolism ; Receptor, Notch1/metabolism ; 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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    p53 controls radiation-induced gastrointestinal syndrome in mice independent of apoptosis (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-19
    Description: Acute exposure to ionizing radiation can cause lethal damage to the gastrointestinal (GI) tract, a condition called the GI syndrome. Whether the target cells affected by radiation to cause the GI syndrome are derived from the epithelium or endothelium and whether the target cells die by apoptosis or other mechanisms are controversial issues. Studying mouse models, we found that selective deletion of the proapoptotic genes Bak1 and Bax from the GI epithelium or from endothelial cells did not protect mice from developing the GI syndrome after sub-total-body gamma irradiation. In contrast, selective deletion of p53 from the GI epithelium, but not from endothelial cells, sensitized irradiated mice to the GI syndrome. Transgenic mice overexpressing p53 in all tissues were protected from the GI syndrome after irradiation. These results suggest that the GI syndrome is caused by the death of GI epithelial cells and that these epithelial cells die by a mechanism that is regulated by p53 but independent of apoptosis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2897160/" 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/PMC2897160/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kirsch, David G -- Santiago, Philip M -- di Tomaso, Emmanuelle -- Sullivan, Julie M -- Hou, Wu-Shiun -- Dayton, Talya -- Jeffords, Laura B -- Sodha, Pooja -- Mercer, Kim L -- Cohen, Rhianna -- Takeuchi, Osamu -- Korsmeyer, Stanley J -- Bronson, Roderick T -- Kim, Carla F -- Haigis, Kevin M -- Jain, Rakesh K -- Jacks, Tyler -- K08 CA 114176/CA/NCI NIH HHS/ -- K08 CA114176/CA/NCI NIH HHS/ -- K08 CA114176-05/CA/NCI NIH HHS/ -- P01 CA080124/CA/NCI NIH HHS/ -- P01 CA080124-01A1/CA/NCI NIH HHS/ -- P01 CA80124/CA/NCI NIH HHS/ -- P30 CA014051/CA/NCI NIH HHS/ -- P30 CA014051-38/CA/NCI NIH HHS/ -- P30 DK043351/DK/NIDDK NIH HHS/ -- P30-CA14051/CA/NCI NIH HHS/ -- RC1 AI078521/AI/NIAID NIH HHS/ -- RC1 AI078521-01/AI/NIAID NIH HHS/ -- RC1-AI078521/AI/NIAID NIH HHS/ -- U19-AI06775/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Jan 29;327(5965):593-6. doi: 10.1126/science.1166202. Epub 2009 Dec 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019247" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Cell Death ; Epithelial Cells/cytology/physiology/radiation effects ; Gamma Rays/*adverse effects ; Gene Deletion ; Genes, p53 ; Intestinal Diseases/etiology/pathology/*physiopathology ; Intestinal Mucosa/pathology/physiopathology/*radiation effects ; Intestine, Small/pathology/physiopathology/*radiation effects ; Mesoderm/cytology ; Mice ; Mice, Transgenic ; Models, Biological ; Radiation Dosage ; Radiation Injuries/etiology/pathology/*physiopathology ; Tumor Suppressor Protein p53/*physiology ; bcl-2 Homologous Antagonist-Killer Protein/genetics/metabolism ; bcl-2-Associated X Protein/genetics/metabolism
    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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