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  • Mice  (4)
  • *Chromosomal Proteins, Non-Histone
  • American Association for the Advancement of Science (AAAS)  (4)
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  • 1
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    Derepression of BDNF transcription involves calcium-dependent phosphorylation of MeCP2 (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-11-01
    Description: Mutations in MeCP2, which encodes a protein that has been proposed to function as a global transcriptional repressor, are the cause of Rett syndrome (RT T), an X-linked progressive neurological disorder. Although the selective inactivation of MeCP2 in neurons is sufficient to confer a Rett-like phenotype in mice, the specific functions of MeCP2 in postmitotic neurons are not known. We find that MeCP2 binds selectively to BDNF promoter III and functions to repress expression of the BDNF gene. Membrane depolarization triggers the calcium-dependent phosphorylation and release of MeCP2 from BDNF promoter III, thereby facilitating transcription. These studies indicate that MeCP2 plays a key role in the control of neuronal activity-dependent gene regulation and suggest that the deregulation of this process may underlie the pathology of RT T.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Wen G -- Chang, Qiang -- Lin, Yingxi -- Meissner, Alexander -- West, Anne E -- Griffith, Eric C -- Jaenisch, Rudolf -- Greenberg, Michael E -- HD 18655/HD/NICHD NIH HHS/ -- NS28829/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 Oct 31;302(5646):885-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuroscience, Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14593183" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain-Derived Neurotrophic Factor/*genetics ; Calcium/*metabolism ; Cell Membrane/physiology ; Cells, Cultured ; *Chromosomal Proteins, Non-Histone ; Cloning, Molecular ; CpG Islands ; DNA Methylation ; DNA-Binding Proteins/*metabolism ; Electrophoretic Mobility Shift Assay ; *Gene Expression Regulation ; Gene Silencing ; Histones/metabolism ; Methyl-CpG-Binding Protein 2 ; Methylation ; Mice ; Mice, Knockout ; Neurons/metabolism/physiology ; Phosphorylation ; Potassium Chloride/pharmacology ; Precipitin Tests ; Promoter Regions, Genetic ; Rats ; *Repressor Proteins ; Rett Syndrome/genetics ; *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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  • 2
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    Cooperation of GGAs and AP-1 in packaging MPRs at the trans-Golgi network (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-09-07
    Description: The Golgi-localized, gamma-ear-containing, adenosine diphosphate ribosylation factor-binding proteins (GGAs) are multidomain proteins that bind mannose 6-phosphate receptors (MPRs) in the Golgi and have an essential role in lysosomal enzyme sorting. Here the GGAs and the coat protein adaptor protein-1 (AP-1) were shown to colocalize in clathrin-coated buds of the trans-Golgi networks of mouse L cells and human HeLa cells. Binding studies revealed a direct interaction between the hinge domains of the GGAs and the gamma-ear domain of AP-1. Further, AP-1 contained bound casein kinase-2 that phosphorylated GGA1 and GGA3, thereby causing autoinhibition. This could induce the directed transfer of the MPRs from GGAs to AP-1. MPRs that are defective in binding to GGAs are poorly incorporated into AP-1-containing clathrin-coated vesicles. Thus, the GGAs and AP-1 interact to package MPRs into AP-1-containing coated vesicles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doray, Balraj -- Ghosh, Pradipta -- Griffith, Janice -- Geuze, Hans J -- Kornfeld, Stuart -- R01 CA-08759/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2002 Sep 6;297(5587):1700-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Internal Medicine, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12215646" target="_blank"〉PubMed〈/a〉
    Keywords: ADP-Ribosylation Factors/*metabolism ; Adaptor Proteins, Vesicular Transport ; Animals ; Biological Transport ; Carrier Proteins/*metabolism ; Cattle ; Cell Line ; Clathrin-Coated Vesicles/metabolism ; HeLa Cells ; Humans ; L Cells (Cell Line) ; Membrane Proteins/*metabolism ; Mice ; Mutation ; Phosphorylation ; Protein Binding ; Receptor, IGF Type 2/genetics/*metabolism ; Recombinant Proteins/metabolism ; trans-Golgi Network/*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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  • 3
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    Extrachromosomal microDNAs and chromosomal microdeletions in normal tissues (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-03-10
    Description: We have identified tens of thousands of short extrachromosomal circular DNAs (microDNA) in mouse tissues as well as mouse and human cell lines. These microDNAs are 200 to 400 base pairs long, are derived from unique nonrepetitive sequence, and are enriched in the 5'-untranslated regions of genes, exons, and CpG islands. Chromosomal loci that are enriched sources of microDNA in the adult brain are somatically mosaic for microdeletions that appear to arise from the excision of microDNAs. Germline microdeletions identified by the "Thousand Genomes" project may also arise from the excision of microDNAs in the germline lineage. We have thus identified a previously unknown DNA entity in mammalian cells and provide evidence that their generation leaves behind deletions in different genomic loci.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3703515/" 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/PMC3703515/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shibata, Yoshiyuki -- Kumar, Pankaj -- Layer, Ryan -- Willcox, Smaranda -- Gagan, Jeffrey R -- Griffith, Jack D -- Dutta, Anindya -- ES013773/ES/NIEHS NIH HHS/ -- GM31819/GM/NIGMS NIH HHS/ -- GM84465/GM/NIGMS NIH HHS/ -- P30 CA016086/CA/NCI NIH HHS/ -- R01 CA060499/CA/NCI NIH HHS/ -- R01 CA060499-18/CA/NCI NIH HHS/ -- R01 CA60499/CA/NCI NIH HHS/ -- R01 ES013773/ES/NIEHS NIH HHS/ -- R01 GM031819/GM/NIGMS NIH HHS/ -- R01 GM084465/GM/NIGMS NIH HHS/ -- R01 GM084465-04/GM/NIGMS NIH HHS/ -- T32 GM008136/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2012 Apr 6;336(6077):82-6. doi: 10.1126/science.1213307. Epub 2012 Mar 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22403181" target="_blank"〉PubMed〈/a〉
    Keywords: 5' Untranslated Regions ; Animals ; Base Pairing ; Base Sequence ; Brain/*embryology ; Brain Chemistry ; Cell Line ; Cell Line, Tumor ; *Chromosome Deletion ; Chromosomes, Human/*genetics ; Chromosomes, Mammalian/*genetics ; CpG Islands ; DNA Replication ; *DNA, Circular/analysis/chemistry/isolation & purification/metabolism ; Exons ; Germ Cells/chemistry ; Heart/embryology ; Humans ; Liver/chemistry/embryology ; Mice ; Mice, Inbred C57BL ; Microscopy, Electron ; Molecular Sequence Data ; Polymerase Chain Reaction ; Repetitive Sequences, Nucleic Acid
    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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    Fas ligand-induced apoptosis as a mechanism of immune privilege (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-17
    Description: The eye is a privileged site that cannot tolerate destructive inflammatory responses. Inflammatory cells entering the anterior chamber of the eye in response to viral infection underwent apoptosis that was dependent on Fas (CD95)-Fas ligand (FasL) and produced no tissue damage. In contrast, viral infection in gld mice, which lack functional FasL, resulted in an inflammation and invasion of ocular tissue without apoptosis. Fas-positive but not Fas-negative tumor cells were killed by apoptosis when placed within isolated anterior segments of the eyes of normal but not FasL-negative mice. FasL messenger RNA and protein were detectable in the eye. Thus, Fas-FasL interactions appear to be an important mechanism for the maintenance of immune privilege.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Griffith, T S -- Brunner, T -- Fletcher, S M -- Green, D R -- Ferguson, T A -- EY02687/EY/NEI NIH HHS/ -- EY06765/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1995 Nov 17;270(5239):1189-92.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ophthalmology and Visual Sciences, 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/7502042" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anterior Chamber/*immunology/virology ; Antigens, CD95/physiology ; *Apoptosis ; Base Sequence ; Eye/metabolism ; Fas Ligand Protein ; Gene Expression ; *Immune Tolerance ; Keratitis, Herpetic/immunology ; Leukemia L1210 ; Lymphocytes/cytology/immunology ; Membrane Glycoproteins/analysis/genetics/*physiology ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; Neutrophils/cytology/immunology ; RNA, Messenger/analysis/genetics ; 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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