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尋常性乾癬、皮膚浸潤炎症細胞の解析と治療効果の解明

Research Project

Project/Area Number 18790785
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Dermatology
Research InstitutionMie University

Principal Investigator

山中 恵一  Mie University, 医学部附属病院, 講師 (70314135)

Project Period (FY) 2006 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2007: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 2006: ¥2,800,000 (Direct Cost: ¥2,800,000)
Keywords尋常性乾癬 / CLA / vitamin D3 / レチノイン酸 / 活性型vitamin D3 / spectratyping
Research Abstract

尋常性乾癬等の炎症性皮膚疾患や正常皮膚において皮膚にホーミングするリンパ球には表面抗原であるCutaneous lymphocyte-associated antigen (CLA)が発現しているが、このCLAはP-selectin glycoprotein ligand-1 (PSGL-1, CD162)やCD43が糖鎖修飾を受けた分子であり、血管内皮のE-selectinへの結合能をもち、リンパ球の皮膚への浸潤に重要な役割を果たす。一方、レチノイン酸(RA)や活性型のvitamin D3 (VitD3)は、これまで尋常性乾癬などのT細胞を介する炎症性皮膚疾患に効果的に用いられてきた。しかしながらこれらvitaminのCLAの発現に与える影響については明らかとなっていなかった。本研究ではヒト末梢血より精製したT細胞を用いてRAとVitD3のCLAや他のホーミングレセプターに与える効果を解析した。結果、RAとVitD3はCLAの発現を低下し、E-selectinリガンドとしての活性を抑制した。CLAの合成酵素の一つであるa1,3-fucosyltransferase VIIのmRNAの発現レベルも低下していた。RAは同時に腸管へのホーミングに必要なa4b7インテグリンの発現を上げ、かつL-selectinの発現を抑制した。しかしながらVitD3はCLA以外のホーミングレセプターには影響を与えなかった。マウスにこれらのRAやVitD3を前投与しcontact hypersensitivityを起こすとvitamin処置マウスでは、皮膚炎部位に浸潤するCD4 T細胞数の減少が認められた。以上の結果より、VitD3はCLAの発現を特異的に抑制するため、皮膚へのリンパ球浸潤を伴う皮膚疾患に対して選択的な免疫の調節因子として働くことが分かった。

Report

(2 results)
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (18 results)

All 2008 2007 2006

All Journal Article (15 results) (of which Peer Reviewed: 10 results) Presentation (3 results)

  • [Journal Article] Vitamins A and D are potent inhibitors of cutaneous lymphocyte-associated antigen expression.2008

    • Author(s)
      Yamanaka, et. al.
    • Journal Title

      J Allergy Clin Immunol. 121

      Pages: 148-157

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Necrobiotic xanthogranuloma with paraproteinemia; an atypical case.2008

    • Author(s)
      Ito, Yamanaka, et. al.
    • Journal Title

      J Dtsch Dermatol Ges. 6

      Pages: 40-43

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Filaggrin expression and the pathogenesis of epidermal cysts.2007

    • Author(s)
      Kurokawa, Yamanaka, et. al.
    • Journal Title

      Br J Dermatol. 157

      Pages: 415-416

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cytokeratin and filaggrin expression in nevus comedonicus.2007

    • Author(s)
      Kurokawa, Yamanaka, et. al.
    • Journal Title

      J Cutan Pathol. 34

      Pages: 338-341

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Keratin and filaggrin expression in keratoacanthoma.2007

    • Author(s)
      Ito, Yamanaka, et. al.
    • Journal Title

      J Eur Acad Dermatol Venereol 12(Epub)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A case of Adamantiades-Behcet disease with ischemic optic neuritis2007

    • Author(s)
      Shima, Yamanaka, et. al.
    • Journal Title

      J Dtsch Dermatol Ges. 5

      Pages: 1010-1014

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cytokeratin expression in squamous cell carcinoma arising from hidradenitis suppurativa2007

    • Author(s)
      Kurokawa, Yamanaka, et. al.
    • Journal Title

      J Cutan Pathol 34

      Pages: 675-678

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic resonance (MR) imaging-induced deep second-degree burns of lower extremities by conducting loop.2007

    • Author(s)
      Ito, Yamanaka, et. al.
    • Journal Title

      J Eur Acad Dermatol Venereol. 21

      Pages: 1140-1141

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pinkus tumor may originate from intraepidermal eccrine ducts and proliferate in the dermis.2007

    • Author(s)
      Kurokawa, Yamanaka, et. al.
    • Journal Title

      Oncol Rep. 17

      Pages: 49-54

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pilonidal sinus of the supra-auricle area.2007

    • Author(s)
      Yokoyama, Yamanaka
    • Journal Title

      J Eur Acad Dermatol Venereol 34

      Pages: 257-258

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The vast majority of CLA+ T cells are resident in normal skin.2006

    • Author(s)
      Clark RA, Chong B, Mirchandani N, Brinster NK, Yamanaka K, Dowgiert RK, Kupper TS
    • Journal Title

      J Immunol. 176 (7)

      Pages: 4431-4431

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A novel method for the isolation of skin resident T cells from normal and diseased human skin.2006

    • Author(s)
      Clark RA, Chong BF, Mirchandani N, Yamanaka K, Murphy GF, Dowgiert RK, Kupper TS
    • Journal Title

      J Invest Dermatol. 126 (5)

      Pages: 1059-1059

    • Related Report
      2006 Annual Research Report
  • [Journal Article] The majority of human peripheral blood CD4+CD25highFoxp3+ regulatory T cells bear functional skin-homing receptors.2006

    • Author(s)
      Hirahara K, Liu L, Clark RA, Yamanaka K, Fuhlbrigge RC, Kupper TS
    • Journal Title

      J Immunol. 177 (7)

      Pages: 4488-4488

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A novel acoustic evaluation system of scratching in mouse dermatitis : rapid and specific detection of invisibly rapid scratch in an atopic dermatitis model mouse.2006

    • Author(s)
      Umeda K, Noro Y, Murakami T, Tokime K, Sugisaki H, Yamanaka K, Kurokawa I, Kuno K, Tsutsui H, Nakanishi K, Mizutani H
    • Journal Title

      Life Sci. 79 (22)

      Pages: 2144-2144

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Human mast cell chymase cleaves pro-IL-18 and generates a novel and biologically active IL-18 fragment.2006

    • Author(s)
      Omoto Y, Tokime K, Yamanaka K, Habe K, Morioka T, Kurokawa I, Tsutsui H, Yamanishi K, Nakanishi K, Mizutani H
    • Journal Title

      J Immunol. 177(12)

      Pages: 8315-8315

    • Related Report
      2006 Annual Research Report
  • [Presentation] Restoration of T-cell repertoire after complete remission in advanced cutaneous T-cell lymhoma2007

    • Author(s)
      Yamanaka, et. al.
    • Organizer
      Society for Investigated Dermatology
    • Place of Presentation
      Los Angeles USA
    • Year and Date
      2007-05-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] 完全緩解を成し遂げた進行期皮膚リンパ腫では、T細胞レパートリーは改善する2007

    • Author(s)
      山中恵一 等
    • Organizer
      第106回日本皮膚科学会総会
    • Place of Presentation
      横浜
    • Year and Date
      2007-04-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] Vitamin D and A derivatives block of Cutaneous Lymphocyte-Associated Antigen (CLA) expression on human Tcells via selective glycosyltransferase inhibition2007

    • Author(s)
      Yamanaka, et. al.
    • Organizer
      第32回日本研究皮膚科学会総会
    • Place of Presentation
      横浜
    • Year and Date
      2007-04-19
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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