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  • Molecular Sequence Data  (2)
  • American Association for the Advancement of Science (AAAS)  (2)
  • 1
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    Repression of the transcription factor Th-POK by Runx complexes in cytotoxic T cell development (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-02-09
    Description: Mouse CD4+CD8+ double-positive (DP) thymocytes differentiate into CD4+ helper-lineage cells upon expression of the transcription factor Th-POK but commit to the CD8+ cytotoxic lineage in its absence. We report the redirected differentiation of class I-restricted thymocytes into CD4+CD8- helper-like T cells upon loss of Runx transcription factor complexes. A Runx-binding sequence within the Th-POK locus acts as a transcriptional silencer that is essential for Th-POK repression and for development of CD8+ T cells. Thus, Th-POK expression and genetic programming for T helper cell development are actively inhibited by Runx-dependent silencer activity, allowing for cytotoxic T cell differentiation. Identification of the transcription factors network in CD4 and CD8 lineage choice provides insight into how distinct T cell subsets are developed for regulating the adaptive immune system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Setoguchi, Ruka -- Tachibana, Masashi -- Naoe, Yoshinori -- Muroi, Sawako -- Akiyama, Kaori -- Tezuka, Chieko -- Okuda, Tsukasa -- Taniuchi, Ichiro -- New York, N.Y. -- Science. 2008 Feb 8;319(5864):822-5. doi: 10.1126/science.1151844.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Transcriptional Regulation, RIKEN Research Center for Allergy and Immunology, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18258917" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Lineage ; Chromatin Immunoprecipitation ; Core Binding Factor Alpha 2 Subunit/genetics/*physiology ; Core Binding Factor Alpha 3 Subunit/genetics/*physiology ; Core Binding Factor beta Subunit/metabolism ; Histocompatibility Antigens Class I/immunology ; Histocompatibility Antigens Class II/immunology ; Mice ; Mice, Transgenic ; Molecular Sequence Data ; Silencer Elements, Transcriptional ; T-Lymphocyte Subsets/cytology/*immunology/metabolism ; T-Lymphocytes, Cytotoxic/cytology/*immunology/metabolism ; T-Lymphocytes, Helper-Inducer/cytology/immunology/metabolism ; Transcription Factors/genetics/*physiology
    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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    Epidermal cell differentiation in Arabidopsis determined by a Myb homolog, CPC (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-08-22
    Description: The roots of plants normally carry small hairs arranged in a regular pattern. Transfer DNA-tagged lines of Arabidopsis thaliana included a mutant with few, randomly distributed root hairs. The mutated gene CAPRICE (CPC) encoded a protein with a Myb-like DNA binding domain typical of transcription factors involved in animal and plant development. Analysis in combination with other root hair mutations showed that CPC may work together with the TTG gene and upstream of the GL2 gene. Transgenic plants overexpressing CPC had more root hairs and fewer trichomes than normal. Thus, the CPC gene determines the fate of epidermal cell differentiation in Arabidopsis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wada, T -- Tachibana, T -- Shimura, Y -- Okada, K -- New York, N.Y. -- Science. 1997 Aug 22;277(5329):1113-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division I of Gene Expression and Regulation, National Institute for Basic Biology, Okazaki, 444, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9262483" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis/*cytology/*genetics ; *Arabidopsis Proteins ; Cell Differentiation ; Crosses, Genetic ; DNA-Binding Proteins/chemistry/*genetics/physiology ; Genes, Plant ; Homeodomain Proteins/genetics ; Molecular Sequence Data ; Mutation ; Oncogenes ; Phenotype ; Plant Proteins/genetics ; Plant Roots/*cytology/genetics ; Plants, Genetically Modified ; Proto-Oncogene Proteins/chemistry/genetics ; Proto-Oncogene Proteins c-myb ; Trans-Activators/chemistry/genetics ; Transcription Factors/chemistry/*genetics/physiology
    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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    PAPER CURRENT
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