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  • *Lymphokines  (3)
  • Interleukin-6/pharmacology  (3)
  • American Association for the Advancement of Science (AAAS)  (5)
  • American Association for the Advancement of Science
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  • American Association for the Advancement of Science (AAAS)  (5)
  • American Association for the Advancement of Science
Years
  • 1
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    Choice of STATs and other substrates specified by modular tyrosine-based motifs in cytokine receptors (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-03
    Description: Many members of the cytokine receptor superfamily initiate intracellular signaling by activating members of the Jak family of tyrosine kinases. Activation of the same Jaks by multiple cytokines raises the question of how these cytokines activate distinct intracellular signaling pathways. Selection of particular substrates--the transcriptional activator Stat3 and protein tyrosine phosphatase PTP1D--that characterize responses to the ciliary neurotrophic factor-interleukin-6 cytokine family depended not on which Jak was activated, but was instead determined by specific tyrosine-based motifs in the receptor components--gp130 and LIFR--shared by these cytokines. Further, these tyrosine-based motifs were modular, because addition of a Stat3-specifying motif to another cytokine receptor, that for erythropoietin, caused it to activate Stat3 in a ligand-dependent fashion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stahl, N -- Farruggella, T J -- Boulton, T G -- Zhong, Z -- Darnell, J E Jr -- Yancopoulos, G D -- New York, N.Y. -- Science. 1995 Mar 3;267(5202):1349-53.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7871433" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Antigens, CD ; Cell Line ; Cytokine Receptor gp130 ; DNA-Binding Proteins/*metabolism ; *Growth Inhibitors ; Interleukin-6/pharmacology ; Intracellular Signaling Peptides and Proteins ; Leukemia Inhibitory Factor ; *Lymphokines ; Membrane Glycoproteins/chemistry/*metabolism ; Molecular Sequence Data ; Phosphorylation ; Point Mutation ; Protein Tyrosine Phosphatase, Non-Receptor Type 11 ; Protein Tyrosine Phosphatase, Non-Receptor Type 6 ; Protein Tyrosine Phosphatases/metabolism ; Protein-Tyrosine Kinases/*metabolism ; Receptors, Cytokine/chemistry/*metabolism ; Receptors, OSM-LIF ; Recombinant Fusion Proteins/metabolism ; STAT3 Transcription Factor ; *Signal Transduction ; Trans-Activators/*metabolism ; Tyrosine/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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  • 2
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    Designer cytokines: targeting actions to cells of choice (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-24
    Description: Some growth factors are therapeutically useful partly because restricted expression of their receptors limits their action to particular cell types. However, no unique stimulatory factor is known for many clinically relevant cell types, such as CD34+ hematopoietic stem cells. Here, soluble alpha receptor (R alpha) components for interleukin-6 (IL-6) and ciliary neurotrophic factor (CNTF) were targeted in an active form to cells expressing surface markers such as CD34 or CD45, thereby rendering those cells responsive to IL-6 or CNTF. The targeting of R alpha components may provide the means to create "designer" cytokines that activate a desired cell type expressing a specific cell surface marker.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Economides, A N -- Ravetch, J V -- Yancopoulos, G D -- Stahl, N -- New York, N.Y. -- Science. 1995 Nov 24;270(5240):1351-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, Tarrytown, NY 10591, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481821" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, CD/immunology/*metabolism ; Antigens, CD34/analysis ; Antigens, CD45/analysis ; Cell Division ; Cell Line ; Cell Membrane/*metabolism ; Ciliary Neurotrophic Factor ; Cytokine Receptor gp130 ; *Growth Inhibitors ; Humans ; Immunoglobulin Fc Fragments ; Interleukin-6/*pharmacology ; Leukemia Inhibitory Factor ; Leukemia Inhibitory Factor Receptor alpha Subunit ; *Lymphokines ; Membrane Glycoproteins/metabolism ; Nerve Tissue Proteins/*pharmacology ; Phosphorylation ; Receptor, Ciliary Neurotrophic Factor ; Receptors, Cytokine/metabolism ; Receptors, Fc ; Receptors, Interleukin/immunology/*metabolism ; Receptors, Interleukin-6 ; Receptors, Nerve Growth Factor/immunology/*metabolism ; Receptors, OSM-LIF ; Recombinant Fusion Proteins/metabolism ; Solubility ; Tumor Cells, Cultured
    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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  • 3
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    Released form of CNTF receptor alpha component as a soluble mediator of CNTF responses (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-03-19
    Description: The alpha component of the receptor for ciliary neurotrophic factor (CNTF) differs from other known growth factor receptors in that it is anchored to cell membranes by a glycosylphosphatidylinositol linkage. One possible function of this type of linkage is to allow for the regulated release of this receptor component. Cell lines not normally responsive to CNTF responded to treatment with a combination of CNTF and a soluble form of the CNTF alpha receptor component. These findings not only demonstrate that the CNTF receptor alpha chain is a required component of the functional CNTF receptor complex but also reveal that it can function in soluble form as part of a heterodimeric ligand. Potential physiological roles for the soluble CNTF receptor are suggested by its presence in cerebrospinal fluid and by its release from skeletal muscle in response to peripheral nerve injury.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, S -- Aldrich, T H -- Ip, N Y -- Stahl, N -- Scherer, S -- Farruggella, T -- DiStefano, P S -- Curtis, R -- Panayotatos, N -- Gascan, H -- New York, N.Y. -- Science. 1993 Mar 19;259(5102):1736-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7681218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation/drug effects ; Cell Division/drug effects ; Cell Membrane/metabolism ; Ciliary Neurotrophic Factor ; Cloning, Molecular ; Gene Expression ; Glycosylphosphatidylinositols/metabolism ; Growth Inhibitors/pharmacology ; Hematopoietic Stem Cells/cytology/drug effects ; Humans ; Interleukin-6/pharmacology ; Leukemia Inhibitory Factor ; Lymphokines/pharmacology ; Mice ; Muscle Denervation ; Muscles/innervation/metabolism ; Nerve Tissue Proteins/*pharmacology ; Phosphatidylinositol Diacylglycerol-Lyase ; Phosphoric Diester Hydrolases/metabolism ; Phosphotyrosine ; RNA, Messenger/genetics ; Rats ; Receptor, Ciliary Neurotrophic Factor ; Receptors, Cell Surface/chemistry/*physiology ; Signal Transduction/physiology ; Tumor Cells, Cultured ; Tyrosine/analogs & derivatives/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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  • 4
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    LIFR beta and gp130 as heterodimerizing signal transducers of the tripartite CNTF receptor (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-06-18
    Description: The ciliary neurotrophic factor (CNTF) receptor complex is shown here to include the CNTF binding protein (CNTFR alpha) as well as the components of the leukemia inhibitory factor (LIF) receptor, LIFR beta (the LIF binding protein) and gp130 [the signal transducer of interleukin-6 (IL-6)]. Thus, the conversion of a bipartite LIF receptor into a tripartite CNTF receptor apparently occurs by the addition of the specificity-conferring element CNTFR alpha. Both CNTF and LIF trigger the association of initially separate receptor components, which in turn results in tyrosine phosphorylation of receptor subunits. Unlike the IL-6 receptor complex in which homodimerization of gp130 appears to be critical for signal initiation, signaling by the CNTF and LIF receptor complexes depends on the heterodimerization of gp130 with LIFR beta. Ligand-induced dimerization of signal-transducing receptor components, also seen with receptor tyrosine kinases, may provide a general mechanism for the transmission of a signal across the cell membrane.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, S -- Aldrich, T H -- Stahl, N -- Pan, L -- Taga, T -- Kishimoto, T -- Ip, N Y -- Yancopoulos, G D -- New York, N.Y. -- Science. 1993 Jun 18;260(5115):1805-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8390097" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigens, CD ; Cell Line ; Cytokine Receptor gp130 ; Growth Inhibitors/pharmacology ; Interleukin-6/pharmacology ; Leukemia Inhibitory Factor ; Lymphokines/pharmacology ; Macromolecular Substances ; Membrane Glycoproteins/chemistry/*metabolism ; Models, Biological ; Nerve Growth Factors ; Nerve Tissue Proteins/pharmacology ; Phosphorylation ; Receptor, Ciliary Neurotrophic Factor ; Receptors, Cell Surface/chemistry/*metabolism ; *Receptors, Cytokine ; Receptors, Immunologic/chemistry/*metabolism ; Receptors, Interleukin-6 ; Receptors, OSM-LIF ; *Signal Transduction ; Tumor Cells, Cultured ; Tyrosine/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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  • 5
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    Association and activation of Jak-Tyk kinases by CNTF-LIF-OSM-IL-6 beta receptor components (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-01-07
    Description: A recently defined family of cytokines, consisting of ciliary neurotrophic factor (CNTF), leukemia inhibitory factor (LIF), oncostatin M (OSM), and interleukin-6 (IL-6), utilize the Jak-Tyk family of cytoplasmic tyrosine kinases. The beta receptor components for this cytokine family, gp130 and LIF receptor beta, constitutively associate with Jak-Tyk kinases. Activation of these kinases occurs as a result of ligand-induced dimerization of the receptor beta components. Unlike other cytokine receptors studied to date, the receptors for the CNTF cytokine family utilize all known members of the Jak-Tyk family, but induce distinct patterns of Jak-Tyk phosphorylation in different cell lines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stahl, N -- Boulton, T G -- Farruggella, T -- Ip, N Y -- Davis, S -- Witthuhn, B A -- Quelle, F W -- Silvennoinen, O -- Barbieri, G -- Pellegrini, S -- P30 CA21765/CA/NCI NIH HHS/ -- R01 DK42932/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1994 Jan 7;263(5143):92-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Regeneron Pharmaceuticals, Inc., Tarrytown, NY 10591.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8272873" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antigens, CD ; Cell Line ; Ciliary Neurotrophic Factor ; Cytokine Receptor gp130 ; Cytokines/metabolism/*pharmacology ; Enzyme Activation ; *Growth Inhibitors ; *Interleukin-6 ; Janus Kinase 1 ; Janus Kinase 2 ; Leukemia Inhibitory Factor ; *Lymphokines ; Membrane Glycoproteins/*metabolism ; Nerve Tissue Proteins/metabolism/pharmacology ; Oncostatin M ; Peptides/metabolism/pharmacology ; Phosphorylation ; Protein-Tyrosine Kinases/*metabolism ; Proteins/metabolism ; *Proto-Oncogene Proteins ; Receptor, Ciliary Neurotrophic Factor ; Receptors, Cytokine/*metabolism ; Receptors, Growth Factor/metabolism ; Receptors, Interleukin/metabolism ; Receptors, Interleukin-6 ; Receptors, OSM-LIF ; Receptors, Oncostatin M ; Tyrosine/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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