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2006 Fiscal Year Final Research Report Summary

Molecular functions of HLH protein Id2 in controlling cell differentiation and proliferation

Research Project

Project/Area Number 17390092
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Pathological medical chemistry
Research InstitutionUniversity of Fukui

Principal Investigator

YOKOTA Yoshifumi  University of Fukui, Faculty of Medical Sciences, Professor, 医学部, 教授 (50222386)

Co-Investigator(Kenkyū-buntansha) KUROOKA Hisanori  University of Fukui, Faculty of Medical Sciences, Associate Professor, 医学部, 助教授 (00293879)
KARAYA Kazuhiro  University of Fukui, Faculty of Medical Sciences, Assistant Professor, 医学部, 助手 (70233997)
MORI Kentaro  University of Fukui, Faculty of Medical Sciences, COE Researcher, 医学部, COE研究員 (50397296)
Project Period (FY) 2005 – 2006
KeywordsId2 / cell differentiation / growth control / immediate early gene / development
Research Abstract

1. In growth-arrested NIH3T3 fibroblast cells, Id2 gene expression was induced by serum even in the presence of cycloheximide, a protein synthesis inhibitor, demonstrating Id2 to be an immediate early gene. The response was mediated by a transcription factor RFX1 that bound the element located 3.0 kb upstream of Id2. Interestingly, RFX1 was also involved in the suppression of Id2 gene expression in growth-arrested cells.
2. Id1 has a nuclear export signal in its Oterminal end of the HLH region, unlike Id2. We found that Arg96 of the signal is essential for subcellular localization of Id1.
3. We failed to identify Id2-interacting molecules that exhibited potential relevant functions.
4. We found that Id2 plays an important role in controlling differentiation of intestinal epithelial cells.
5. Several functions of Id2 in osteoclasts, ternary lymphoid organ development and so on were revealed by analyses of Id2-deficient mice.

  • Research Products

    (11 results)

All 2006

All Journal Article (11 results)

  • [Journal Article] Receptor activator of NF-κB ligand regulates the proliferation of mammary epithelial cells via Id2.2006

    • Author(s)
      Kim, H.-J.et al.
    • Journal Title

      Mol. Cell. Biol. 26

      Pages: 1002-1013

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Id helix-loop-helix proteins negatively regulate TRANCE-mediated osteoclast differentiation.2006

    • Author(s)
      Lee, J.et al.
    • Journal Title

      Blood 107

      Pages: 2686-2693

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Localization of Id2 mRNA in the adult mouse brain.2006

    • Author(s)
      Kitajima, K. et al.
    • Journal Title

      Brain Res. 1073-1074C

      Pages: 93-102

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Interaction of mature CD3^+CD4^+ T cells with dendritic cells triggers the development of tertiary lymphoid structures in the thyroid.2006

    • Author(s)
      Marinkovic, T. et al.
    • Journal Title

      J. Clin. Invest. 116

      Pages: 2622-2632

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Identification of the nuclear export signal in the carboxyl terminal region of Id1.2006

    • Author(s)
      Makita, J. et al.
    • Journal Title

      FEBS Lett. 580

      Pages: 1812-1816

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Functional gene expression analysis uncovers phenotypic switch in aggressive uveal melanomas.2006

    • Author(s)
      Onken, M.D.et al.
    • Journal Title

      Cancer Res 66

      Pages: 4602-4609

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Receptor activator of NF-KB ligand regulates the proliferation of mammary epithelial cells via Id2.2006

    • Author(s)
      Kim, H.-J.et al.
    • Journal Title

      Mol. Cell. Biol. 26

      Pages: 1002-1013

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Localization of Id2 mRNA in the adult mouse brain.2006

    • Author(s)
      Kitajima, K., Takahashi, R., Yokota, Y.
    • Journal Title

      Brain Res. 1073-1074C

      Pages: 93-102

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Interaction of mature CD3+CD4+ T cells with dendritic cells triggers the development of tertiary lymphoid structures in the thyroid.2006

    • Author(s)
      Marinkovic, T. et al.
    • Journal Title

      J. Clin. Invest. 116

      Pages: 2622-2632

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Identification of the nuclear export signal in the carboxyl terminal region of Idl.2006

    • Author(s)
      Makita, J. et al.
    • Journal Title

      FEBSLett 580

      Pages: 1812-1816

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Functional gene expression analysis uncovers phenotypic switch in aggressive uveal melanomas.2006

    • Author(s)
      Onken, M.D.et al.
    • Journal Title

      Cancer Res. 66

      Pages: 4602-4609

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2008-05-27  

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