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Elucidation of tryptophan metabolism in eosinophilic sinusitis and development of new therapeutic methods

Research Project

Project/Area Number 19K09906
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56050:Otorhinolaryngology-related
Research InstitutionHamamatsu University School of Medicine

Principal Investigator

Ishikawa Ryuji  浜松医科大学, 医学部, 助教 (90436931)

Co-Investigator(Kenkyū-buntansha) 三澤 清  浜松医科大学, 医学部, 教授 (90334979)
Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2021: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsトリプトファン代謝 / 好酸球性副鼻腔炎 / JESERECスコア / 高速液体クロマトグラフ質量分析計 / インドールアミン酸素 / セロトニン / メラトニン / ンドールアミン酸素添加酵素
Outline of Research at the Start

好酸球性副鼻腔炎は、成人発症の、著明な好酸球浸潤を伴う再発しやすい鼻茸、粘度の高い鼻汁、嗅覚障害を特徴とした難治性疾患であり、患者は増加傾向にある。トリプトファン代謝に関連する酵素とその代謝産物は、難治性疾患との関連が示唆される分子である。この経路の律速酵素であるインドールアミン酸素添加酵素(IDO)は、免疫抑制作用の成立において重要な役割を果たしており注目されている。今回我々は、Trp代謝異常に着目し、患者血漿中の代謝産物を一括測定する新規手法を用いて、好酸球性副鼻腔炎の難治性メカニズムの一つを分子生物学的観点から解明することをめざす。

Outline of Final Research Achievements

Although the research was delayed due to research restrictions due to the new corona infection, there was no significant decrease in the number of eosinophilic sinus surgery cases at Hamamatsu University Hospital. Nasal polyp tissue could be collected. The results of plasma tryptophan metabolite analysis showed that tryptophan, 5-hydroxyindoleacetic acid, Kynurenic acid, quinaldic acid, and xanthurenic acid were low in the severe ECRS group. Enzymes such as the enzyme IDO1 were expected to be activated.

Academic Significance and Societal Importance of the Research Achievements

血漿トリプトファン代謝物解析の結果は、Triptophanは、コントロール群と比べて重症ECRS群、中等・軽症ECRS群、非ECRS群のすべてでコントロール群が有意に高値を示した。5-Hydroxyindoleacetic acidは、コントロール群と比べて重症ECRS群が有意に低値を示した。同じくKynurenic acidとQuinaldic acidとXanthurenic acidも、コントロール群と比べて重症ECRS群が有意に低値を示した。好酸球副鼻腔炎患者において、トリプトファン代謝異常が症状の増悪に関連していると予想され、今後新規治療ターゲットとなる酵素異常の解析をすすめていく。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (10 results)

All 2022 2021 2020 2019

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 8 results) Presentation (2 results)

  • [Journal Article] Novel prognostic value and potential utility of opioid receptor gene methylation in liquid biopsy for oral cavity cancer2022

    • Author(s)
      Ishikawa Ryuji、Imai Atsushi、Mima Masato、Yamada Satoshi、Takeuchi Kazutaka、Mochizuki Daiki、Shinmura Daichi、Kita Jun-ya、Nakagawa Takuya、Kurokawa Tomoya、Misawa Yuki、Nakanishi Hiroshi、Takizawa Yoshinori、Misawa Kiyoshi
    • Journal Title

      Current Problems in Cancer

      Volume: 46 Issue: 2 Pages: 100834-100834

    • DOI

      10.1016/j.currproblcancer.2021.100834

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Prolonged activation of cytomegalovirus early gene e1-promoter exclusively in neurons during infection of the developing cerebrum2021

    • Author(s)
      Kosugi Isao、Arai Yoshifumi、Baba Satoshi、Kawasaki Hideya、Iwashita Toshihide、Tsutsui Yoshihiro
    • Journal Title

      Acta Neuropathologica Communications

      Volume: 9 Issue: 8 Pages: 2165-2172

    • DOI

      10.7150/jca.54760

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 蝶形骨洞内の病変から診断された肝細胞癌例.2021

    • Author(s)
      石川 竜司, 細川 誠二, 峯田 周幸
    • Journal Title

      耳鼻咽喉科臨床 補冊

      Volume: 156 Pages: 101-104

    • NAID

      130007996852

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] G protein-coupled receptor genes, PTGDR1, PTGDR2, and PTGIR, are candidate epigenetic biomarkers and predictors for treated patients with HPV-associated oropharyngeal cancer.2020

    • Author(s)
      Misawa K, Imai A, Kanazawa T, Mima M, Yamada S, Misawa Y, Mochizuki D, Yamada T, Shinmura D, Ishikawa R, Kita J, Yamaguchi Y, Misawa Y and Mineta H
    • Journal Title

      Microorganisms

      Volume: 8(10) Issue: 10 Pages: 1504-1504

    • DOI

      10.3390/microorganisms8101504

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Long interspersed nuclear element 1 hypomethylation has novel prognostic value and potential utility in liquid biopsy for oral cavity cancer.2020

    • Author(s)
      Misawa K, Yamada S, Mima M, Nakagawa T, Kurokawa T, Imai A, Mochizuki D, Shinmura D, Yamada T, Kita J, Ishikawa R, Yamaguchi Y, Misawa Y, Kanazawa T, Kawasaki H and Mineta H
    • Journal Title

      Biomarker Research

      Volume: 8 Issue: 1 Pages: 53-53

    • DOI

      10.1186/s40364-020-00235-y

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Prostanoid receptor genes confer poor prognosis in head and neck squamous cell carcinoma via epigenetic inactivation.2020

    • Author(s)
      Misawa K, Mima M, Yamada S, Imai A, Mochizuki D, Ishikawa R, Kita J, Yamaguchi Y, Endo S, Misawa Y and Mineta H
    • Journal Title

      Journal of Translational Medicine

      Volume: 18(1) Issue: 1 Pages: 31-31

    • DOI

      10.1186/s12967-020-02214-1

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Neuropeptide receptor genes GHSR and NMUR1 are candidate epigenetic biomarkers and predictors for surgically treated patients with oropharyngeal cancer.2020

    • Author(s)
      Misawa K, Mima M, Yamada S, Misawa Y, Imai A, Mochizuki D, Nakagawa T, Kurokawa T, Oguro M, Ishikawa R, Yamaguchi Y, Endo S, Kawasaki H, Kanazawa Takeharu and Mineta H
    • Journal Title

      Scientific Reports

      Volume: 10(1) Issue: 1 Pages: 1007-1007

    • DOI

      10.1038/s41598-020-57920-z

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 5-Hydroxymethylcytosine and ten-eleven translocation dioxygenases in head and neck carcinoma2019

    • Author(s)
      Misawa K, Yamada S, Mima M, Nakagawa T, Kurokawa T, Imai A, Mochizuki D, Morita K, Ishikawa R, Endo S and Misawa Y
    • Journal Title

      Journal of Cancer

      Volume: 10(21) Issue: 21 Pages: 5306-5314

    • DOI

      10.7150/jca.34806

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 当科における頭蓋内進展を伴う嗅神経芽細胞腫の内視鏡下頭蓋底切除症例2021

    • Author(s)
      石川竜司
    • Organizer
      第60 回日本鼻科学会総会・学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] 蝶形骨洞内の病変から診断された肝細胞癌の一例2020

    • Author(s)
      石川 竜司, 山口 裕貴, 峯田 周幸
    • Organizer
      第59回 日本鼻科学会 学術講演会
    • Related Report
      2020 Research-status Report

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Published: 2019-04-18   Modified: 2024-01-30  

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