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2009 Fiscal Year Annual Research Report

免疫調節性DNAとナノ・マイクロ粒子キャリアーを用いた吸入型DNA治療薬の開発

Research Project

Project/Area Number 21790778
Research InstitutionYokohama City University

Principal Investigator

佐藤 隆  Yokohama City University, 医学部, 助教 (70510436)

Keywords免疫調節性DNA / ナノ粒子
Research Abstract

難治性肺疾患の進行予防ならびに改善を目的とした吸入型合成DNA治療薬の開発を念頭に置き、本年度はDNAの徐放製剤化による、創傷治癒促進/再上皮化への効果を免疫組織学的/分子生物学的に実証し学術誌に投稿した(Sato T and Klinman DM, et al.Accelerated Wound Healing Mediated by Activation of Toll-like Receptor 9. Wound Rep Regen. revised)。また、本結果による免疫刺激性合成DNAを用いた上皮成長に関する実験的手法を米国特許申請中である(Sato T and Klinman DM.USE OF CpG OLIGODEOXYNUCLEOTIDES TO INDUCE EPITHELIAL CELL GROWTH. PCT/US2009/044739 filed on Apr29, 2009)。この結果をベースとして、徐放製剤化とともに、炎症巣での効果的な放出特性を達成するために、pH依存性キャリアーの開発に重点的に取り組んだ。新規キャリアーとして、生分解性を有しナノサイズキャリアーとなりうるポリケタルに着目し、免疫刺激性/免疫抑制性合成DNA (Molecular Weight 4500-7500)をポリケタル粒子内に包埋することに成功した。現在、この新規DNAキャリアーを用いた基礎実験(1)TLR9強制発現細胞株を用いてDNA-polyketal単回投与下応答特性(2)TLR9強制発現細胞株を用いて低酸素環境による酸性条件下でのDNA-polyketal単回投与下応答特性を解析中である。

  • Research Products

    (7 results)

All 2009 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (1 results) Remarks (1 results) Patent(Industrial Property Rights) (2 results) (of which Overseas: 2 results)

  • [Journal Article] CpG oligonucleotied as adjuvants for vaccines targeting infectious diseases2009

    • Author(s)
      Klinman DM, Klaschik S, Sato T, et al.
    • Journal Title

      Advaced Drug Delivery Reviews 61

      Pages: 248-255

    • Peer Reviewed
  • [Journal Article] Therapeutic Application and Mechanisms Underlyinng the Activity of Immunosupp ressive Oligonucleotides2009

    • Author(s)
      Klinman DM. Tross D, Klaschik S, Shirota H, Sato T
    • Journal Title

      Ann NY Acad Sci 1175

      Pages: 80-88

    • Peer Reviewed
  • [Journal Article] CpG oligodeoxynucleotide incorporated basement membrane extract facilitate wound repair in mice2009

    • Author(s)
      Sato T, Shimosato T, Klinman DM.
    • Journal Title

      J Immunol (Abstract) 182

      Pages: 135-145

    • Peer Reviewed
  • [Presentation] CpG oligodeoxynucleotide incorporated basement membrane extract facilitate wound repair in mice2009

    • Author(s)
      Sato T, Shimosato T, Klinman DM.
    • Organizer
      Immunology 2009(第96回米国免疫学会年次集会)
    • Place of Presentation
      シアトル・米国
    • Year and Date
      2009-05-13
  • [Remarks]

    • URL

      http://www.yokohama.ac.jp

  • [Patent(Industrial Property Rights)] USE OF CpG OLIGODEOXYNUCLE OTIDES TO INDUCE EPITHELIAL CELL GROWTH2009

    • Inventor(s)
      Sato T, Klinman DM
    • Industrial Property Rights Holder
      Sato T, Klinman DM
    • Industrial Property Number
      PCT/US2009/044739
    • Filing Date
      2009-04-29
    • Overseas
  • [Patent(Industrial Property Rights)] METHOD OF TREATING PNEUMOCONIOSIS WITH OLIGODEOX YNUCLEOTIDES2009

    • Inventor(s)
      Sato T, Klinman DM
    • Industrial Property Rights Holder
      Sato T, Klinman DM
    • Industrial Property Number
      WO/2009/143292
    • Acquisition Date
      2009-11-26
    • Overseas

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Published: 2011-06-16   Modified: 2016-04-21  

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