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Creation of artificial functional lectins for target-selective labeling of carbohydrates and their application to cell surface engineering

Research Project

Project/Area Number 25750387
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Biomolecular chemistry
Research InstitutionKeio University

Principal Investigator

Takahashi Daisuke  慶應義塾大学, 理工学部, 講師 (00509929)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords糖鎖認識 / レクチン / ラベル化 / 人工機能性タンパク / 固相反応 / 光反応 / 光切断型 / 固相 / ケミカルツール / 蛍光イメージング
Outline of Final Research Achievements

Toward the creation of novel artificial functional lectins, a solid-phase affinity labeling method (1st generation) using a designed and synthesized chemical tool was developed. It was found that the solid-phase affinity labeling reaction of target-lectin (Con A or PNA) selectively and effectively proceeded even in the presence of other proteins. In addition, it was successfully demonstrated that target-selective isolation and modification of the native protein, hCA II, was feasible, even from human cell lysate. With these results, it is expected that this method will be applicable for target-selective isolation and modification of unknown target receptor proteins of biologically active small molecules. Furthermore, a novel solid-phase affinity labeling method (2nd generation) using a designed and synthesized photo-cleavable chemical tool to improve the efficiency of the cleavage reaction. These results will contribute to the creation of the purposed artificial functional lectins.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (8 results)

All 2014 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (6 results) (of which Invited: 3 results) Remarks (1 results)

  • [Journal Article] A Solid-phase Affinity Labeling Method for Target-selective Isolation and Modification of Proteins2014

    • Author(s)
      Kuwahara, D.; Hasumi, T.; Kaneko, H.; Takahashi, D.; Toshima, K.
    • Journal Title

      Chemical Communications

      Volume: 50 Issue: 98 Pages: 15601-15604

    • DOI

      10.1039/c4cc06783e

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Chemical Methods for Target-selective Photodegradation of Oligosaccharides & for Target-selective Isolation and Modification of Proteins2014

    • Author(s)
      Daisuke Takahashi
    • Organizer
      SUNBOR symposium 「Chemistry of Natural Products -Power of the Molecules」
    • Place of Presentation
      Suntory Foundation for Life Sciences
    • Year and Date
      2014-11-17
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] 固相ケミカルツールを用いた標的タンパクの選択的単離・機能化法の開発2014

    • Author(s)
      高橋 大介
    • Organizer
      第2回バイオ関連化学シンポジウム若手フォーラム
    • Place of Presentation
      岡山大学、津島キャンパス
    • Year and Date
      2014-09-10
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] A Solid-phase Chemical Labeling Method for Isolation and Modification of Target Proteins2014

    • Author(s)
      Daichi Kuwahara, Daisuke Takahashi, Kazunobu Toshima
    • Organizer
      2nd National Tsing Hua University / Keio University Bilateral Symposium of Advanced Chemistry
    • Place of Presentation
      Keio University, Yagami Campus
    • Year and Date
      2014-07-10
    • Related Report
      2014 Research-status Report
  • [Presentation] 固相アフィニティラベル化法を用いた薬剤標的同定法の開発2014

    • Author(s)
      桑原大知、高橋 大介、戸嶋一敦
    • Organizer
      日本ケミカルバイオロジー学会第9回年会
    • Place of Presentation
      大阪大学、豊中キャンパス
    • Year and Date
      2014-06-11
    • Related Report
      2014 Research-status Report
  • [Presentation] Chemistry Based Approaches for Target-selective Photodegradation of Oligosaccharides and for Target-selective Modification of Proteins

    • Author(s)
      高橋 大介
    • Organizer
      Carlsberg Laboratory Seminar
    • Place of Presentation
      Carlsberg Laboratory (Copenhagen, Denmark)
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] 標的タンパクを選択的に単離・標識化する固相ラベル化法の開発

    • Author(s)
      蓮見 貴大、金子 新、高橋 大介、戸嶋 一敦
    • Organizer
      日本化学会第94春季年会
    • Place of Presentation
      名古屋大学(東山キャンパス、愛知)
    • Related Report
      2013 Research-status Report
  • [Remarks] 慶應義塾大学理工学部応用化学科分子生命化学研究室/高橋大介

    • URL

      http://www.applc.keio.ac.jp/~toshima/takahashi.html

    • Related Report
      2015 Annual Research Report 2014 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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