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Role of tryptophan and clarification of its action mechanism in the immunity between embryo-mother's bodies

Research Project

Project/Area Number 19791177
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Obstetrics and gynecology
Research InstitutionKawasaki Medical School

Principal Investigator

OKAMOTO Takeaki  Kawasaki Medical School, 医学部, 助教 (20398431)

Research Collaborator TONE Shigenobu  川崎医科大学, 医学部, 准教授 (70211399)
MIYAWAKI Chie  川崎医科大学, 医学部, 研究補助員
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,680,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥1,600,000 (Direct Cost: ¥1,600,000)
Keywords生殖医学 / 胎児-母体間免疫 / トリプトファン / IDO / インドールアミン酸素添加素 / トリプトファン誘導体 / 静電ポテンシャル / 構造活性相関 / インドール環 / インドールアミン酸素添加酵素 / 転写調節因子 / IFN-γ / 免疫調節因子 / NF-kBシグナリング / 必須アミノ酸
Research Abstract

A431細胞におけるIFN-γ誘導性IDOmRNA発現の調節機能は、IDOの基質であるトリプトファンに特異的なものであり、そのIDOmRNA発現増強の作用機序として、Jak-StatシグナリングよりもむしろNF-Κbシグナリングの関与が示唆された。さらに、各種トリプトファン誘導体によるIDO発現調節活性とインドール環表面の静電ポテンシャルとは強い正の相関を示し、インドール環における各種官能基による修飾が認識分子との親和性・安定性に影響を与えているのではないかと推察された。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (22 results)

All 2009 2008 2007 Other

All Journal Article (5 results) (of which Peer Reviewed: 3 results) Presentation (11 results) Book (3 results) Remarks (3 results)

  • [Journal Article] Dihydro-alpha-lipoic acid has more potent cytotoxicity than alpha-lipoic acid2009

    • Author(s)
      Masao Yamasaki, Akiko Kawabe, Kentaro Nishimoto,Harishkumar Madhyastha,Yoich Sakakibara,Masahito Suiko, Takeaki Okamotoほか3名
    • Journal Title

      In Vitro Cell. Dev. Biol. Anim 45

      Pages: 275-280

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Transcriptional regulation of indoleamine 2,3-dioxygenase (IDO) by tryptophan and its analogue2007

    • Author(s)
      Takeaki Okamoto, Shigenobu Tone, Hiroaki Kanouchi, Chie Miyawaki, Sayuri Ono, Yohsuke Minatogawa
    • Journal Title

      Cytotechnology 54

      Pages: 107-113

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Transcriptional regulation of indoleamine 2,3-dioxygenase (IDO) by tryptophan and its analogue2007

    • Author(s)
      Takeaki Okamoto
    • Journal Title

      Cytotechnology 54

      Pages: 107-113

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Down-regulation of the indoleamine 2,3-dioxygenase (IDO) transcription by tryptophan analogue2007

    • Author(s)
      Takeaki Okamoto
    • Journal Title

      The interdisciplinary conference on tryptophan

      Pages: 352-356

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Induction of indoleamine2,3-dioxygenase in small intestine of mouse infected with parasitic helminth, hymenolepis nana2007

    • Author(s)
      Fumio Ohyama
    • Journal Title

      The interdisciplinary conference on tryptophan

      Pages: 286-289

    • Related Report
      2007 Annual Research Report
  • [Presentation] トリプトファン誘導体の構造とIDO転写調節機能との相関2008

    • Author(s)
      岡本威明
    • Organizer
      第31回日本分子生物学会年会第81回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(神戸国際展示場)
    • Year and Date
      2008-12-11
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] トリプトファンアナログのIDO転写調節機能とその構造との相関2008

    • Author(s)
      岡本威明
    • Organizer
      日本トリプトファン研究会第30回学術集会
    • Place of Presentation
      川崎医科大学(岡山県倉敷市)
    • Year and Date
      2008-12-07
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] トリプトファンによるIFN-γ誘導性IDOmRNA発現調節機構の解析2007

    • Author(s)
      岡本威明
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会大会合同大会
    • Place of Presentation
      パシフィコ横浜(横浜)
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] トリプトファンによるIFN-「誘導性IDOmRNA発現調節機構の解析2007

    • Author(s)
      岡本威明
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会大会 合同大会
    • Place of Presentation
      パシフィコ横浜(横浜)
    • Year and Date
      2007-12-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] トリプトファンおよびトリプトファン誘導体によるIFN-γ誘導性IDO発現調節機構2007

    • Author(s)
      岡本威明
    • Organizer
      第29回日本トリプトファン研究会学術集会
    • Place of Presentation
      昭和女子大(東京)
    • Year and Date
      2007-12-08
    • Related Report
      2008 Final Research Report
  • [Presentation] トリプトファンおよびトリプトファン誘導体によるIFN-「誘導性IDO発現調節機構2007

    • Author(s)
      岡本威明
    • Organizer
      第29回日本トリプトファン研究会学術集会
    • Place of Presentation
      昭和女子大(東京)
    • Year and Date
      2007-12-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] NF-κB activation contributes to indoleamine 2,3-dioxygenase transcriptional synergy induced by IFN-γ and tryptophan2007

    • Author(s)
      Takeaki Okamoto
    • Organizer
      3rd International Conference on Polyphenols and Health (ICPH 2007) Satellite Symposium in Kagoshima
    • Place of Presentation
      Kagoshima University
    • Year and Date
      2007-11-24
    • Related Report
      2008 Final Research Report
  • [Presentation] NF-KB activation contributes to indoleamine 2,3-dioxygenase transcriptional synergy induced by IFN-γ and tryptophan2007

    • Author(s)
      Takeaki Okamoto
    • Organizer
      3rd International Conference on Polyphenols and Health (ICPH2007) Satellite Symposium in Kagoshima
    • Place of Presentation
      Kagoshima University (Kagoshima)
    • Year and Date
      2007-11-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] トリプトファンによるIDO転写調節機構の解明2007

    • Author(s)
      岡本威明
    • Organizer
      国立遺伝学研究所研究会
    • Place of Presentation
      国立遺伝学研究所(三島)
    • Year and Date
      2007-10-26
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 必須アミノ酸トリプトファンによるIFN-「誘導性IDO発現調節機構の解明2007

    • Author(s)
      岡本威明
    • Organizer
      第11回生物機能研究会
    • Place of Presentation
      鹿児島大学(鹿児島)
    • Year and Date
      2007-06-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] 必須アミノ酸トリプトファンによるIFN-γ誘導性IDO発現調節機構の解明2007

    • Author(s)
      岡本威明
    • Organizer
      第11回生物機能研究会
    • Place of Presentation
      鹿児島大学(鹿児島)
    • Year and Date
      2007-06-06
    • Related Report
      2008 Final Research Report
  • [Book] はじめての生命科学2009

    • Author(s)
      岡本威明
    • Total Pages
      100
    • Publisher
      三共出版
    • Related Report
      2008 Annual Research Report
  • [Book] Down-regulation of the indoleamine 2,3-dioxygenase (IDO) transcription by tryptophan analogue2007

    • Author(s)
      Takeaki Okamoto, Sigenobu Tone,Hiroaki Kanouchi,Fumio Ohyama,Yohsuke Minatogawa
    • Publisher
      The interdisciplinary conference on tryptophan
    • Related Report
      2008 Final Research Report
  • [Book] Induction of indoleamine2,3-dioxygenase in small intestine of ,mouse infected with parasitic helminth, hymenolepis nana2007

    • Author(s)
      Fumio Ohyama, Shigenobu Tone, Takeaki Okamotoほか2名
    • Publisher
      The interdisciplinary conference on tryptophan
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.kawasaki-m.ac.jp/med/study/info.php?id=104

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.kawasaki-m.ac.jp/med/study/info.php?id=104

    • Related Report
      2008 Annual Research Report
  • [Remarks] 川崎医科大学ホームページ

    • URL

      http://www.kawasaki-m.ac.jp/med/study/info.php?id=203

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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