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  • Transfection  (319)
  • American Association for the Advancement of Science (AAAS)  (319)
  • Oxford University Press
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  • 1
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    Pyogenic bacterial infections in humans with MyD88 deficiency (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-08-02
    Description: MyD88 is a key downstream adapter for most Toll-like receptors (TLRs) and interleukin-1 receptors (IL-1Rs). MyD88 deficiency in mice leads to susceptibility to a broad range of pathogens in experimental settings of infection. We describe a distinct situation in a natural setting of human infection. Nine children with autosomal recessive MyD88 deficiency suffered from life-threatening, often recurrent pyogenic bacterial infections, including invasive pneumococcal disease. However, these patients were otherwise healthy, with normal resistance to other microbes. Their clinical status improved with age, but not due to any cellular leakiness in MyD88 deficiency. The MyD88-dependent TLRs and IL-1Rs are therefore essential for protective immunity to a small number of pyogenic bacteria, but redundant for host defense to most natural infections.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2688396/" 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/PMC2688396/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉von Bernuth, Horst -- Picard, Capucine -- Jin, Zhongbo -- Pankla, Rungnapa -- Xiao, Hui -- Ku, Cheng-Lung -- Chrabieh, Maya -- Mustapha, Imen Ben -- Ghandil, Pegah -- Camcioglu, Yildiz -- Vasconcelos, Julia -- Sirvent, Nicolas -- Guedes, Margarida -- Vitor, Artur Bonito -- Herrero-Mata, Maria Jose -- Arostegui, Juan Ignacio -- Rodrigo, Carlos -- Alsina, Laia -- Ruiz-Ortiz, Estibaliz -- Juan, Manel -- Fortuny, Claudia -- Yague, Jordi -- Anton, Jordi -- Pascal, Mariona -- Chang, Huey-Hsuan -- Janniere, Lucile -- Rose, Yoann -- Garty, Ben-Zion -- Chapel, Helen -- Issekutz, Andrew -- Marodi, Laszlo -- Rodriguez-Gallego, Carlos -- Banchereau, Jacques -- Abel, Laurent -- Li, Xiaoxia -- Chaussabel, Damien -- Puel, Anne -- Casanova, Jean-Laurent -- U19 AI057234/AI/NIAID NIH HHS/ -- U19 AI057234-02/AI/NIAID NIH HHS/ -- U19 AIO57234-02/PHS HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2008 Aug 1;321(5889):691-6. doi: 10.1126/science.1158298.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Genetics of Infectious Diseases, INSERM U550, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18669862" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Animals ; Bacterial Infections/*genetics/*immunology ; Cell Line, Transformed ; Child ; Child, Preschool ; Cytokines/metabolism ; Disease Susceptibility ; Female ; Gene Deletion ; Humans ; Immunity, Innate ; Male ; Mice ; Mutation, Missense ; Myeloid Differentiation Factor 88/*deficiency/genetics/metabolism ; Pneumococcal Infections/genetics/immunology ; Pseudomonas Infections/genetics/immunology ; Receptors, Interleukin-1/immunology/metabolism ; Signal Transduction ; Staphylococcal Infections/genetics/immunology ; Toll-Like Receptors/immunology/metabolism ; Transfection
    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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    Neurotoxicity of a fragment of the amyloid precursor associated with Alzheimer's disease (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-07-28
    Description: Amyloid deposition in senile plaques and the cerebral vasculature is a marker of Alzheimer's disease. Whether amyloid itself contributes to the neurodegenerative process or is simply a by-product of that process is unknown. Pheochromocytoma (PC12) and fibroblast (NIH 3T3) cell lines were transfected with portions of the gene for the human amyloid precursor protein. Stable PC12 cell transfectants expressing a specific amyloid-containing fragment of the precursor protein gradually degenerated when induced to differentiate into neuronal cells with nerve growth factor. Conditioned medium from these cells was toxic to neurons in primary hippocampal cultures, and the toxic agent could be removed by immunoabsorption with an antibody directed against the amyloid polypeptide. Thus, a peptide derived from the amyloid precursor may be neurotoxic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yankner, B A -- Dawes, L R -- Fisher, S -- Villa-Komaroff, L -- Oster-Granite, M L -- Neve, R L -- HD 18655/HD/NICHD NIH HHS/ -- HD 18658/HD/NICHD NIH HHS/ -- NS 01240/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1989 Jul 28;245(4916):417-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Harvard Medical School, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2474201" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*etiology/pathology ; Amyloid/genetics/*physiology ; Blotting, Northern ; Cell Line ; Fibroblasts ; Gene Expression Regulation ; Humans ; Immunoblotting ; Neurons/pathology ; Nucleic Acid Hybridization ; Pheochromocytoma ; Protein Precursors/genetics/*physiology ; RNA/analysis/genetics ; Restriction Mapping ; Transfection ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    HIN-200 proteins regulate caspase activation in response to foreign cytoplasmic DNA (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-01-10
    Description: The mammalian innate immune system is activated by foreign nucleic acids. Detection of double-stranded DNA (dsDNA) in the cytoplasm triggers characteristic antiviral responses and macrophage cell death. Cytoplasmic dsDNA rapidly activated caspase 3 and caspase 1 in bone marrow-derived macrophages. We identified the HIN-200 family member and candidate lupus susceptibility factor, p202, as a dsDNA binding protein that bound stably and rapidly to transfected DNA. Knockdown studies showed p202 to be an inhibitor of DNA-induced caspase activation. Conversely, the related pyrin domain-containing HIN-200 factor, AIM2 (p210), was required for caspase activation by cytoplasmic dsDNA. This work indicates that HIN-200 proteins can act as pattern recognition receptors mediating responses to cytoplasmic dsDNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, Tara L -- Idris, Adi -- Dunn, Jasmyn A -- Kelly, Greg M -- Burnton, Carol M -- Hodgson, Samantha -- Hardy, Lani L -- Garceau, Valerie -- Sweet, Matthew J -- Ross, Ian L -- Hume, David A -- Stacey, Katryn J -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):1057-60. doi: 10.1126/science.1169841. Epub 2009 Jan 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The University of Queensland, Institute for Molecular Bioscience, QLD 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131592" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caspase 1/*metabolism ; Caspase 3/*metabolism ; Cell Line ; Cytoplasm/*metabolism ; DNA/immunology/*metabolism ; DNA-Binding Proteins/isolation & purification/metabolism ; Enzyme Activation ; Immunity, Innate ; Intracellular Signaling Peptides and Proteins/chemistry/genetics/isolation & ; purification/*metabolism ; Macrophages/immunology/*metabolism ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Mice, Inbred Strains ; RNA, Small Interfering ; Receptors, Pattern Recognition/*metabolism ; Symporters ; Transfection
    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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    Requirement of the inositol trisphosphate receptor for activation of store-operated Ca2+ channels (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-03-04
    Description: The coupling mechanism between endoplasmic reticulum (ER) calcium ion (Ca2+) stores and plasma membrane (PM) store-operated channels (SOCs) is crucial to Ca2+ signaling but has eluded detection. SOCs may be functionally related to the TRP family of receptor-operated channels. Direct comparison of endogenous SOCs with stably expressed TRP3 channels in human embryonic kidney (HEK293) cells revealed that TRP3 channels differ in being store independent. However, condensed cortical F-actin prevented activation of both SOC and TRP3 channels, which suggests that ER-PM interactions underlie coupling of both channels. A cell-permeant inhibitor of inositol trisphosphate receptor (InsP3R) function, 2-aminoethoxydiphenyl borate, prevented both receptor-induced TRP3 activation and store-induced SOC activation. It is concluded that InsP3Rs mediate both SOC and TRP channel opening and that the InsP3R is essential for maintaining coupling between store emptying and physiological activation of SOCs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ma, H T -- Patterson, R L -- van Rossum, D B -- Birnbaumer, L -- Mikoshiba, K -- Gill, D L -- AR07592/AR/NIAMS NIH HHS/ -- HL55426/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2000 Mar 3;287(5458):1647-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Maryland, School of Medicine, Baltimore, MD 21201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10698739" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Boron Compounds/pharmacology ; Calcium/*metabolism ; Calcium Channels/chemistry/*metabolism ; *Calcium Signaling ; Carbachol/pharmacology ; Cell Line ; Cell Membrane/metabolism ; Diglycerides/metabolism/pharmacology ; Endoplasmic Reticulum/*metabolism ; Enzyme Inhibitors/pharmacology ; Humans ; Inositol 1,4,5-Trisphosphate Receptors ; Ionomycin/pharmacology ; Macrocyclic Compounds ; Oxazoles/pharmacology ; Phosphoprotein Phosphatases/antagonists & inhibitors ; Receptors, Cytoplasmic and Nuclear/chemistry/*metabolism ; Strontium/metabolism ; TRPC Cation Channels ; Thapsigargin/pharmacology ; Transfection ; Type C Phospholipases/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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  • 5
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    Purification, cloning, and expression of ciliary neurotrophic factor (CNTF) (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: Ciliary neurotrophic factor (CNTF) is one of a small number of proteins with neurotrophic activities distinct from nerve growth factor (NGF). CNTF has now been purified and cloned and the primary structure of CNTF from rabbit sciatic nerve has been determined. Biologically active CNTF has been transiently expressed from a rabbit complementary DNA clone. CNTF is a neural effector without significant sequence homologies to any previously reported protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, L F -- Mismer, D -- Lile, J D -- Armes, L G -- Butler, E T 3rd -- Vannice, J L -- Collins, F -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):1023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Protein Chemistry Group, Synergen, Inc., Boulder, CO 80301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587985" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; DNA/genetics ; Molecular Sequence Data ; Nerve Growth Factors/*genetics ; Nerve Tissue Proteins/biosynthesis/*genetics/isolation & purification ; Rabbits ; Recombinant Proteins/biosynthesis ; Sciatic Nerve/metabolism ; Transfection
    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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  • 6
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    Regulation of progesterone receptor-mediated transcription by phosphorylation (1990)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1990-12-21
    Description: The progesterone receptor (PR) in the chicken oviduct is a phosphoprotein that regulates gene transcription in the presence of progesterone. Treatment with progesterone in vivo stimulates phosphorylation of the progesterone receptor. With transient transfection assays, the present work has tested whether phosphorylation participates in the regulation of PR-mediated transcription. Treatment with 8-bromo-cyclic adenosine monophosphate (8-Br cAMP), a stimulator of cAMP-dependent protein kinase [protein kinase A (PKA)], mimicked progesterone-dependent, receptor-mediated transcription in the absence of progesterone. Inhibition of PKA blocked hormone action. Treatment with okadaic acid, an inhibitor of protein phosphatases 1 and 2A, stimulated transcription in a manner similar to that of progesterone. These observations suggest that phosphorylation of the PR or other proteins in the transcription complex can modulate PR-mediated transcription in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Denner, L A -- Weigel, N L -- Maxwell, B L -- Schrader, W T -- O'Malley, B W -- HD-07857/HD/NICHD NIH HHS/ -- HD-22061/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1990 Dec 21;250(4988):1740-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2176746" target="_blank"〉PubMed〈/a〉
    Keywords: 8-Bromo Cyclic Adenosine Monophosphate/pharmacology ; Animals ; Cell Line ; Chickens ; Female ; Gene Expression Regulation ; Kinetics ; Oviducts/metabolism ; Phosphoprotein Phosphatases/antagonists & inhibitors ; Phosphorylation ; Progesterone/*pharmacology ; Receptors, Progesterone/*metabolism ; *Transcription, Genetic/drug effects ; Transfection
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    KLF family members regulate intrinsic axon regeneration ability (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    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
    Print ISSN: 0036-8075
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  • 8
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    SUMO modification of Huntingtin and Huntington's disease pathology (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-04-06
    Description: Huntington's disease (HD) is characterized by the accumulation of a pathogenic protein, Huntingtin (Htt), that contains an abnormal polyglutamine expansion. Here, we report that a pathogenic fragment of Htt (Httex1p) can be modified either by small ubiquitin-like modifier (SUMO)-1 or by ubiquitin on identical lysine residues. In cultured cells, SUMOylation stabilizes Httex1p, reduces its ability to form aggregates, and promotes its capacity to repress transcription. In a Drosophila model of HD, SUMOylation of Httex1p exacerbates neurodegeneration, whereas ubiquitination of Httex1p abrogates neurodegeneration. Lysine mutations that prevent both SUMOylation and ubiquitination of Httex1p reduce HD pathology, indicating that the contribution of SUMOylation to HD pathology extends beyond preventing Htt ubiquitination and degradation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steffan, Joan S -- Agrawal, Namita -- Pallos, Judit -- Rockabrand, Erica -- Trotman, Lloyd C -- Slepko, Natalia -- Illes, Katalin -- Lukacsovich, Tamas -- Zhu, Ya-Zhen -- Cattaneo, Elena -- Pandolfi, Pier Paolo -- Thompson, Leslie Michels -- Marsh, J Lawrence -- CA-62203/CA/NCI NIH HHS/ -- HD36049/HD/NICHD NIH HHS/ -- HD36081/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2004 Apr 2;304(5667):100-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychiatry and Human Behavior, Gillespie 2121, University of California, Irvine, CA 92697, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15064418" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Cell Line ; Cell Nucleus/metabolism ; Corpus Striatum/cytology ; Cytoplasm/metabolism ; Drosophila ; Genes, MDR ; HeLa Cells ; Humans ; Huntington Disease/metabolism/*pathology ; Lysine/genetics/metabolism ; Mutation ; Nerve Degeneration ; Nerve Tissue Proteins/chemistry/genetics/*metabolism ; Neurons/metabolism ; Nuclear Proteins/chemistry/genetics/*metabolism ; Proline/genetics/metabolism ; Promoter Regions, Genetic ; Rats ; Recombinant Fusion Proteins/metabolism ; SUMO-1 Protein/genetics/*metabolism ; Transcription, Genetic ; Transfection ; Ubiquitin/metabolism
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  • 9
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    Assistance of microbial glycolipid antigen processing by CD1e (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-11-29
    Description: Complexes between CD1 molecules and self or microbial glycolipids represent important immunogenic ligands for specific subsets of T cells. However, the function of one of the CD1 family members, CD1e, has yet to be determined. Here, we show that the mycobacterial antigens hexamannosylated phosphatidyl-myo-inositols (PIM6) stimulate CD1b-restricted T cells only after partial digestion of the oligomannose moiety by lysosomal alpha-mannosidase and that soluble CD1e is required for this processing. Furthermore, recombinant CD1e was able to bind glycolipids and assist in the digestion of PIM6. We propose that, through this form of glycolipid editing, CD1e helps expand the repertoire of glycolipidic T cell antigens to optimize antimicrobial immune responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de la Salle, Henri -- Mariotti, Sabrina -- Angenieux, Catherine -- Gilleron, Martine -- Garcia-Alles, Luis-Fernando -- Malm, Dag -- Berg, Thomas -- Paoletti, Samantha -- Maitre, Blandine -- Mourey, Lionel -- Salamero, Jean -- Cazenave, Jean Pierre -- Hanau, Daniel -- Mori, Lucia -- Puzo, Germain -- De Libero, Gennaro -- New York, N.Y. -- Science. 2005 Nov 25;310(5752):1321-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM, U725, Etablissement Francais du Sang-Alsace, F-67065 Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16311334" target="_blank"〉PubMed〈/a〉
    Keywords: Acylation ; *Antigen Presentation ; Antigen-Presenting Cells/immunology ; Antigens, Bacterial/*immunology/*metabolism ; Antigens, CD1/chemistry/genetics/immunology/*metabolism ; Cell Line, Tumor ; Dendritic Cells/enzymology/immunology ; Glycolipids/*immunology/metabolism ; Humans ; Hydrogen-Ion Concentration ; Lymphocyte Activation ; Models, Molecular ; Mycobacterium tuberculosis/immunology ; Phosphatidylinositols/*immunology/*metabolism ; Protein Conformation ; Recombinant Proteins/immunology/metabolism ; Solubility ; T-Lymphocytes/immunology ; Transfection ; alpha-Mannosidase/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    A small, nonpeptidyl mimic of granulocyte-colony-stimulating factor [see commetns] (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-10
    Description: A nonpeptidyl small molecule SB 247464, capable of activating granulocyte-colony-stimulating factor (G-CSF) signal transduction pathways, was identified in a high-throughput assay in cultured cells. Like G-CSF, SB 247464 induced tyrosine phosphorylation of multiple signaling proteins and stimulated primary murine bone marrow cells to form granulocytic colonies in vitro. It also elevated peripheral blood neutrophil counts in mice. The extracellular domain of the murine G-CSF receptor was required for the activity of SB 247464, suggesting that the compound acts by oligomerizing receptor chains. The results indicate that a small molecule can activate a receptor that normally binds a relatively large protein ligand.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tian, S S -- Lamb, P -- King, A G -- Miller, S G -- Kessler, L -- Luengo, J I -- Averill, L -- Johnson, R K -- Gleason, J G -- Pelus, L M -- Dillon, S B -- Rosen, J -- New York, N.Y. -- Science. 1998 Jul 10;281(5374):257-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Transcription Research, Ligand Pharmaceuticals, San Diego, CA 92121, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9657720" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzimidazoles/chemistry/metabolism/*pharmacology ; Cell Line ; Colony-Forming Units Assay ; DNA-Binding Proteins/metabolism ; Dimerization ; Female ; Granulocyte Colony-Stimulating Factor/metabolism/pharmacology ; Granulocytes/cytology ; Guanidines/chemistry/metabolism/*pharmacology ; Humans ; Janus Kinase 1 ; Janus Kinase 2 ; Leukocyte Count ; Leukopoiesis ; Mice ; Mice, Inbred C57BL ; *Milk Proteins ; Neutrophils/cytology ; Phosphorylation ; Phosphotyrosine/metabolism ; Protein-Tyrosine Kinases/metabolism ; *Proto-Oncogene Proteins ; Receptors, Granulocyte Colony-Stimulating Factor/chemistry/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; STAT3 Transcription Factor ; STAT5 Transcription Factor ; Signal Transduction/drug effects ; Species Specificity ; Trans-Activators/metabolism ; Transfection ; Tumor Cells, Cultured
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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