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Analysis of cutaneous Langerhans cells and dendritic cells.

Research Project

Project/Area Number 08670950
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Dermatology
Research InstitutionUniversity of Tokyo

Principal Investigator

NAKAMURA Koichiro  University of Tokyo, Department of dermatology, Asisstant professor, 医学部・附属病院, 講師 (60175502)

Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1997: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1996: ¥1,200,000 (Direct Cost: ¥1,200,000)
KeywordsMCP-1 / transgenic mouse / Langerhans cells / Dendritic cells / トランスジェニックマウス / Gro-α / ケモカイン / 白血球
Research Abstract

Murine epiermis conatins Langerhans cells(LC)and Thy-1+ dendritic epidermal T cells(DETC). In this report, 1)The mechanism of activation of LC and DETC in transgenic mice, 2)the ontogeny of DETC and thy-1+ dermal dendritic cells(DC), and 3)the effects of MCSF on LC activation were examined. 1)Transgenic(tg)mice were generated using construct containing a 2.1 Kb segment containing the promoter sequences of human K14 gene, as well as a cDNA encoding MCP-1. A dramatic increase in number of I-Aq positive cells was observed and an increase in the number of such cells in the dermis had Birbech granules. Enhanced contact hypersensitivity responses were observed in MCP-1tg mice, and a significant increase of the number of DETC was observed, when croton oil were applied as a sensitizer in MCP-1 tg mice., There was little enhancement of B7-1 and B7-2 on LC of MCP-1 tg mice compared with wt mice. These data indicate that efficiently activating mechanism in DC and DETC may exist in K14/MCP-1 mice, . and that MCP-1 may be important for the regulation of immunological function in skin.
2)The ontogeny of DETC and thy-1+ dermal DC was examined using wt mice. DETC were already observed in day 16 embryo, and the number of gammadeltaTCR+ DETC increased gradually. The number of fetal thy-1+ dermal DC decreased gradually after day 16 embryo.
3)The effects of cytokines on the costimualtory molecules in purified LC were examined. M-CSF significantly upregulared B7-1 and B7-2 expressions on purified LC by 12 hours culture.
These data indicate that chemiokines like MCP-1 can influence the migration of LC and DETC,resulting in the modulation of cutaneous immune responses. The result concerning MCP-1 and M-CSF stronfgly suggests that LC and macrophages have some interaction during their differentiation processes.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Furue, M., Nakamura, K., et al.: "Dysregulated expression of the t-ransforming growth factor β and its typeI and typeII receptors in basal cellcarcinoma." International Journal of Cancer. 71(4). 505-509 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Salgado, C., Nakamura, K., et al.: "The effects of macrolides on the expression of B7-1,B7-2 and CD40 of mur-ine epidernal Langerhans cells." Japanese Journal of Anfibiofacs. 27-28 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakamura, K.: "infegrim β2/CD18 Knockout mou-se" Molecular Medicine. 34. 253-254 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakamura, K.: "Morpholgical features in atopic dermatitis" Allergology. 4(6). 531-535 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Furue M,Nakamura K,et al.: "Dysregulatedexpression of transforming factor beta family and its typeI and type II in basal cell carcinoma and Bowen's disease." International J Cancer. 71. 505-509 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Salgado C,Nakamura K,et al.: "The effects of macrolides on the expression of B7-1, B7-2 and CD40 of murine epidermal Langerhans cells." Jpn J Antibiotics. 27-28 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakamura K.: "Integrin beta2/CD18 knockout mice" Molecular Medicine. 34. 253-254 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Nakamura K: "Morphological features in atopic dermatitis" Allergology. 4. 531-535 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Furuc M, Nakamura K et al.: "Dysregniatid expression of tianfroning groonth facter beta and its tyre Land tyree II recoptors in bioal cell Chrcinoina." Intirnrtional Joninal of Cancer. 71(4). 505-509 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Saigad C, Nakamura K, et al: "The effects of macrobidis on the espression of B7-1,B7-2 and CD4O of murine epidernal Langerhans cells." Japanese Journal of Antibiotics. 27-28 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Nakamura K: "integrin B2/CD18 Knock out mouse" Molecular Medicine. 34. 253-254 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Nakamura K: "Morphologic features in atoyic dormatitis" Alleigology. 4(6). 531-535 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 中村 晃一郎: "MCP-1 トランスジェニックマウスにおける免疫異常" 臨床免疫. 28・9. 1199-1206 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 中村 晃一郎: "ケモカインとトランスジェニックマウス" アレルギー科. 2・3. 254-259 (1996)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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