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  • Phosphorylation  (2)
  • American Association for the Advancement of Science (AAAS)  (2)
  • Oxford University Press
  • 1995-1999  (2)
  • 1
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    Dynamic control of CaMKII translocation and localization in hippocampal neurons by NMDA receptor stimulation (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-04-02
    Description: Calcium-calmodulin-dependent protein kinase II (CaMKII) is thought to increase synaptic strength by phosphorylating postsynaptic density (PSD) ion channels and signaling proteins. It is shown that N-methyl-D-aspartate (NMDA) receptor stimulation reversibly translocates green fluorescent protein-tagged CaMKII from an F-actin-bound to a PSD-bound state. The translocation time was controlled by the ratio of expressed beta-CaMKII to alpha-CaMKII isoforms. Although F-actin dissociation into the cytosol required autophosphorylation of or calcium-calmodulin binding to beta-CaMKII, PSD translocation required binding of calcium-calmodulin to either the alpha- or beta-CaMKII subunits. Autophosphorylation of CaMKII indirectly prolongs its PSD localization by increasing the calmodulin-binding affinity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, K -- Meyer, T -- GM-48113/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1999 Apr 2;284(5411):162-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology and Department of Pharmacology and Cancer Biology, Box 3709, Duke University Medical Center, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10102820" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Calcium/pharmacology ; Calcium-Calmodulin-Dependent Protein Kinase Type 2 ; Calcium-Calmodulin-Dependent Protein Kinases/*metabolism ; Cells, Cultured ; Cytosol/metabolism ; Dendrites/*enzymology ; Electric Stimulation ; Glutamic Acid/pharmacology ; Green Fluorescent Proteins ; Hippocampus/cytology/*enzymology ; Isoenzymes/metabolism ; Luminescent Proteins ; Microscopy, Fluorescence ; Nerve Tissue Proteins/analysis ; Neurons/*enzymology ; Phosphorylation ; Rats ; Receptors, N-Methyl-D-Aspartate/*metabolism ; Synapses/*enzymology ; 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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  • 2
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    Enhanced DNA-binding activity of a Stat3-related protein in cells transformed by the Src oncoprotein (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-07-07
    Description: Cytokines and growth factors induce tyrosine phosphorylation of signal transducers and activators of transcription (STATs) that directly activate gene expression. Cells stably transformed by the Src oncogene tyrosine kinase were examined for STAT protein activation. Assays of electrophoretic mobility, DNA-binding specificity, and antigenicity indicated that Stat3 or a closely related STAT family member was constitutively activated by the Src oncoprotein. Induction of this DNA-binding activity was accompanied by tyrosine phosphorylation of Stat3 and correlated with Src transformation. These findings demonstrate that Src can activate STAT signaling pathways and raise the possibility that Stat3 contributes to oncogenesis by Src.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, C L -- Meyer, D J -- Campbell, G S -- Larner, A C -- Carter-Su, C -- Schwartz, J -- Jove, R -- CA55652/CA/NCI NIH HHS/ -- DK34171/DK/NIDDK NIH HHS/ -- R01 DK034171/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1995 Jul 7;269(5220):81-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor 48109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7541555" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line, Transformed ; *Cell Transformation, Neoplastic ; DNA/*metabolism ; DNA-Binding Proteins/*metabolism ; Growth Inhibitors/pharmacology ; Interferon-gamma/pharmacology ; *Interleukin-6 ; Leukemia Inhibitory Factor ; Lymphokines/pharmacology ; Mice ; Molecular Sequence Data ; Oncogene Protein pp60(v-src)/*physiology ; Phosphorylation ; Phosphotyrosine ; STAT3 Transcription Factor ; *Signal Transduction ; Trans-Activators/*metabolism ; 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)
    Location Call Number Expected Availability
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