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2008 Fiscal Year Annual Research Report

二重免疫法によるテーラーメイド人工酵素(抗体酵素)の新機能創出

Research Project

Project/Area Number 20550155
Research InstitutionOsaka Prefecture University

Principal Investigator

円谷 健  Osaka Prefecture University, 理学系研究科, 准教授 (00372855)

Co-Investigator(Kenkyū-buntansha) 藤井 郁雄  大阪府立大学, 理学系研究科, 教授 (70189984)
Keywords抗体酵素 / 遷移状態アナログ / 抗原 / モノクローナル抗体 / ハイブリドーマ / 免疫 / 進化分子工学 / ライブラリー
Research Abstract

天然酵素は,「遷移状態の安定化」に加え,「一般酸・塩基触媒」,「求核触媒」,「金属触媒」などの複数の触媒因子を使って,高い反応効率を獲得している.しかしながら,我々のこれまでの研究結果が示しているように,これまでの抗体酵素は,単一の触媒因子(遷移状態の安定化)で反応を触媒しているため,その活性は低いものにとどまっている.この原因の一つに,従来の方法では単独の遷移状態アナログを使用して抗体を作製するために,複数の触媒因子を導入することが困難なことが挙げられる.そこで,本提案では,2種類のリン酸型遷移状態アナログを組み合わせた二重免疫法により,抗原結合部位における分子認識の最適化を検討した.
1.ハプテンの合成:リン酸ジエステル(1および2)を合成しKLHやBSAと結合させ,ハプテンコンジュゲートを作製する.
2.二重免疫:ハプテンコンジュゲートをマウスに免疫する.1,1,1,2の順にマウスに免疫を行った.
3.細胞融合,モノクローン化,および抗体の精製:電気細胞融合装置を用いて,ミエローマ細胞と脾臓細胞との細胞融合を行った.ハイブリドーマをクローニングによりモノクローンとして,それぞれのハイブリドーマを大量培養した.抗体は,プロテインGカラムを用いてFPLCにより精製した.

  • Research Products

    (24 results)

All 2009 2008 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (18 results) Remarks (1 results)

  • [Journal Article] Critical Contribution of Aromatic Rings to Specific Recognition of Polyether Rings by Antibody : The Case of Ciguatoxin CTX3C and Its Specific Antibody 1C92008

    • Author(s)
      Kouhei Tsumoto, Akiko Yokota, Yoshikazu Tanaka, Mihoko Ui, Takeshi Tsumuraya, Ikuo Fujii, Izumi Kumagai, Yoko Nagumo, Hiroki Oguri, Masayuki Inoue, Masahiro Hirama
    • Journal Title

      Journal of Biological Chemistry 283

      Pages: 12259-12266

    • Peer Reviewed
  • [Journal Article] Selection of carbohydrate-binding domain with a helix-loop-helix structure2008

    • Author(s)
      Teruhiko Matsubara, Mie Iida, Takeshi Tsumuraya, Iuko Fujii, Toshinori Sato
    • Journal Title

      Biochemistry 47

      Pages: 6745-6751

    • Peer Reviewed
  • [Journal Article] How protein recognizes ladder-like polycyclic ethers : interactions between ciguatoxin (CTX3C) fragments and its specific antibody 10C92008

    • Author(s)
      Mihoko Ui, Yoshikazu Tanaka, Takeshi Tsumuraya, Ikuo Fujii, Masayuki Inoue, Masahiro Hirama, Kouhei Tsumoto
    • Journal Title

      Journal of Biological Chemistry 283

      Pages: 19440-19447

    • Peer Reviewed
  • [Journal Article] Molecular Basis for Transition-state Stabilization in Catalytic Antibodies2008

    • Author(s)
      Takeshi Tsumuraya, Ikuo Fujii
    • Journal Title

      Bulletin of the Chemical Society of Japan 81

      Pages: 1039-1052

    • Peer Reviewed
  • [Journal Article] A Single Antibody Catalyzes Multiple Chemical Transformations upon Repla the Functionalized Small Non-protein Components2008

    • Author(s)
      Fumihiro Ishikawa, Takeshi Tsumuraya, Ikuo Fujii
    • Journal Title

      Journal of the American Chemical Society 131

      Pages: 456-457

    • Peer Reviewed
  • [Presentation] 抗体を用いた高感度微量検出系の開発2009

    • Author(s)
      円谷 健
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-30
  • [Presentation] ホロ抗体酵素・人工補酵素の導入による化学反応性の制御2008

    • Author(s)
      円谷 健, 石川 文洋, 藤井 郁雄
    • Organizer
      第11回生命化学研究会
    • Place of Presentation
      水上, 群馬県
    • Year and Date
      2008-11-28
  • [Presentation] A Disulfide-bridged Helix-Loop-Helix Peptide : Phage-displayed Library and Its Recombinant System2008

    • Author(s)
      Zhengmao Ye, Takeshi Tsumuraya, Ikuo Fujii
    • Organizer
      4^<th> Korea-Japan Workshop on Combinatorial Bioengineering
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-22
  • [Presentation] Phage Display Selection of Helix-Loop-Helix Peptide Binding to NF-kB Ligand (RANKL)2008

    • Author(s)
      Rie Saito, Takeshi Tsumuraya, Ikuo Fujii
    • Organizer
      4^<th> Korea-Japan Workshop on Combinatorial Bioengineering
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-22
  • [Presentation] Isolating Protein Kinase Inhibitors from a Phage-displayed Library of Conformationally Constrained Loop Peptides2008

    • Author(s)
      Daisuke Fujiwara, Zhengmao Ye, Takeshi Tsurauraya, Ikuo Fujii
    • Organizer
      4^<th> Korea-Japan Workshop on Combinatorial Bioengineering
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-22
  • [Presentation] A Conformation of the Loop Region in the De Novo Designed Helix-loop-helix peptide2008

    • Author(s)
      Masahiro Oguri, Daisuke Fujiwara, Zhengmao Ye, Takeshi Tsumuraya, Ikuo Fujii
    • Organizer
      4^<th> Korea-Japan Workshop on Combinatorial Bioengineering
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-22
  • [Presentation] Phage Display Selection of Helix-Loop-Helix Peptide Binding to NF-кB Ligand (RANKL)2008

    • Author(s)
      Rie Saito, Takeshi Tsumuraya, Ikuo Fujii
    • Organizer
      12^<th> Korean Peptide-Protein Society Symposium
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-21
  • [Presentation] Production of Monoclonal Antibodies for Sandwich Immunoassay Detction of Ciguatoxins2008

    • Author(s)
      Takeshi Tsumuraya, Masahiro Hirama, Ikuo Fujii
    • Organizer
      12^<th> Korean Peptide-Protein Society Symposium
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-21
  • [Presentation] A Disulfide-bridged Helix-Loop-Helix Peptide : Phage-displayed Library and Its Recombinant System2008

    • Author(s)
      Zhengmao Ye, Takeshi Tsumuraya, Ikuo Fujii
    • Organizer
      12^<th> Korean Peptide-Protein Society Symposium
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-21
  • [Presentation] Isolating Protein Kinase Inhibitors from a Phage-displayed Library of Conformationally Constrained Loop Peptides2008

    • Author(s)
      Daisuke Fujiwara, Zhengmao Ye, Takeshi Tsurauraya, Ikuo Fujii
    • Organizer
      12^<th> Korean Peptide-Protein Society Symposium
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-21
  • [Presentation] A Conformation of the Loop Region in the De Novo Designed Helix-loop-helix peptide2008

    • Author(s)
      Masahiro Oguri, Daisuke Fujiwara, Zhengmao Ye, Takeshi Tsumuraya, Ikuo Fujii
    • Organizer
      12^<th> Korean Peptide-Protein Society Symposium
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2008-11-21
  • [Presentation] ホロ抗体酵素 : 人工補酵素の導入による触媒反応のコントロール2008

    • Author(s)
      円谷 健, 石川 文洋, 藤井 郁雄
    • Organizer
      酵素工学研究会30周年記念シンポジウム
    • Place of Presentation
      木更津
    • Year and Date
      2008-11-13
  • [Presentation] Production of monoclonal antibodies for sandwich immunoassay detection of Pacific ciguatoxins2008

    • Author(s)
      Takeshi Tsumuraya
    • Organizer
      Ciguatera and Related Biotoxins Workshop
    • Place of Presentation
      Noumea, New Caledonia
    • Year and Date
      2008-10-28
  • [Presentation] Binding and structural characteristics of anti-Pacific ciguatoxin antibodies2008

    • Author(s)
      Ikuo Fujii, Takeshi Tsumuraya, Kouhei Tsumoto, Hiroki Oguri, Takeshi Satoh, Naomasa Oshiro, Masayuki Inoue, Masahiro Hirama
    • Organizer
      Ciguatera and Related Biotoxins Workshop
    • Place of Presentation
      Noumea, New Caledonia
    • Year and Date
      2008-10-28
  • [Presentation] ホロ抗体酵素 : 人工コファクター導入による反応の制御2008

    • Author(s)
      円谷 健, 石川 文洋, 藤井 郁雄
    • Organizer
      第57回高分子討論会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2008-09-26
  • [Presentation] 抗体酵素の加水分解反応に関する熱力学的解析2008

    • Author(s)
      遠野 知佳, 山口 亜左子, 円谷健, 藤井 郁雄
    • Organizer
      第3回バイオ関連化学合同シンポジウム2008
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-19
  • [Presentation] ホロ抗体酵素 : 人工補酵素導入型抗体の触媒機構2008

    • Author(s)
      石川 文洋, 白橋 雅人, 円谷 健, 藤井 郁雄
    • Organizer
      第3回バイオ関連化学合同シンポジウム2008
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-19
  • [Presentation] 抗ciguatoxin抗体とポリエーテル環相互作用解析2008

    • Author(s)
      宇井 美穂子, 田中 良和, 円谷健, 藤井 郁雄, 井上 将行, 平間正博, 津本 浩平
    • Organizer
      第3回バイオ関連化学合同シンポジウム2008
    • Place of Presentation
      東京工業大学
    • Year and Date
      2008-09-19
  • [Remarks]

    • URL

      http://www.b.s.osakafu-u.ac.jp/~fujii/

URL: 

Published: 2010-06-11   Modified: 2016-04-21  

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