• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Development of atopic dermatitis evaluation method using biometrically measured reactive oxygen species (ROS) as an index

Research Project

Project/Area Number 19K12758
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 90110:Biomedical engineering-related
Research InstitutionKyushu University

Principal Investigator

Eto Hinako  九州大学, 先端医療オープンイノベーションセンター, 特任助教 (30557632)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
KeywordsDNP-MRI / ニトロキシルラジカル / ROS / レドックス / アトピ-性皮膚炎 / 窒素同位体 / 同位体 / アトピー性皮膚炎 / 15N ニトロキシルラジカル / 酸化ストレス / CoQ0ラジカル / 生体分子イメージング / 活性酸素種(ROS)
Outline of Research at the Start

本研究では、アトピー性皮膚炎の重症度と、生体計測した活性酸素種(ROS)の情報の相関を解析して、ROSをバイオマーカーとした、今まで診断できなかった皮膚組織中の微細な炎症が検出できる、アトピー性皮膚炎の炎症評価法を確立する。まず3種類のラジカルプローブを用いて、同時に皮膚組織中の局在性の異なったROSの増減情報を得る事のできる、イメージングシステムを確立する。このイメージングシステムを用いた、重症度の異なる皮膚炎のROS情報と、皮膚病理組織検査などのin vitro情報とを統合解析する事で、炎症レベル評価法を確立して、アトピー性皮膚炎モデルマウスで実証検証を行う。

Outline of Final Research Achievements

By analyzing the radical decay of the radical probe administered in vivo with a dynamic nuclear polarized magnetic resonance imaging (DNP-MRI) device, it was caused by reactive oxygen species(ROS) due to inflammation and the redox state (oxidation-reduction balance) causing by ROS. In this study, we established a method for simultaneous imaging analysis of two types of probes that react intracellularly or extracellularly in skin lesions of atopic dermatitis model mice. Using this method, it was possible to detect that even if the atopic dermatitis of the model mouse was visually mild such as scales (exfoliation of the stratum corneum), inflammation and thickening of the skin occurred . And,it was possible to grasp by the change in the radical decay rate of the radical probe, that the occurrence of ROS due to inflammatory cells may be the highest before the severity of the disease.

Academic Significance and Societal Importance of the Research Achievements

成人のアトピー性皮膚炎患者は社会的ストレスなど複雑な要因が相まって、炎症のコントロールが長期化、複雑化する。またステロイド忌避感情など慢性治療への足かせとなっている。治療継続の指標となる、『潜在的な炎症が残っている期間』を明確にする為にも、見えない皮膚炎を数値化できるバイオマーカーが必須である。本研究でのラジカルプロ-ブのラジカル減衰速度変化は、目視での軽度から中度の皮膚炎と相関した減衰速度の上昇として非侵襲に捉える事ができ、皮膚炎を数値化するバイオマ-カ-と成り得る可能性が示された。

Report

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

    (6 results)

All 2022 2021 2020 2019

All Journal Article (5 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 5 results,  Open Access: 1 results) Presentation (1 results)

  • [Journal Article] Spatiotemporal imaging of redox status using in vivo dynamic nuclear polarization magnetic resonance imaging system for early monitoring of response to radiation treatment of tumor2022

    • Author(s)
      Koyasu Norikazu、Hyodo Fuminori、Iwasaki Ryota、Eto Hinako、Elhelaly Abdelazim Elsayed、Tomita Hiroyuki、Shoda Shinichi、Takasu Masaki、Mori Takashi、Murata Masaharu、Hara Akira、Noda Yoshifumi、Kato Hiroki、Matsuo Masayuki
    • Journal Title

      Free Radical Biology and Medicine

      Volume: 179 Pages: 170-180

    • DOI

      10.1016/j.freeradbiomed.2021.12.311

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Application of Dissolution Dynamic Nuclear Polarization and in vivo Dynamic Nuclear Polarization for Animal Disease Models2021

    • Author(s)
      兵藤 文紀、子安 憲一、江藤 比奈子、Abdelazim Elsayed Elhelaly、岩崎 遼太、森 崇、村田 正治、松尾 政之
    • Journal Title

      Radiation Biology Research Communications

      Volume: 56(4) Pages: 347-362

    • NAID

      40022813709

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Free radical imaging of endogenous redox molecules using dynamic nuclear polarisation magnetic resonance imaging2020

    • Author(s)
      Hyodo Fuminori、Ito Shinji、Eto Hinako、Elhelaly Abdelazim Elsayed、Murata Masaharu、Akahoshi Tomohiko、Utsumi Hideo、Matuso Masayuki
    • Journal Title

      Free Radical Research

      Volume: 14 Issue: 4 Pages: 1-9

    • DOI

      10.1080/10715762.2020.1859109

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Imaging of Hydroxyl-Radical Generation Using Dynamic Nuclear Polarization-Magnetic Resonance Imaging and a Spin-Trapping Agent2020

    • Author(s)
      Shoda Shinichi、Hyodo Fuminori、Tachibana Yoko、Kiniwa Mamoru、Naganuma Tatsuya、Eto Hinako、Koyasu Norikazu、Murata Masaharu、Matsuo Masayuki
    • Journal Title

      Analytical Chemistry

      Volume: 92 Issue: 21 Pages: 14408-14414

    • DOI

      10.1021/acs.analchem.0c02331

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Development of a novel molecular probe for the detection of liver mitochondrial redox metabolism2020

    • Author(s)
      Hosain Md. Zahangir、Hyodo Fuminori、Mori Takeshi、Takahashi Koyo、Nagao Yusuke、Eto Hinako、Murata Masaharu、Akahoshi Tomohiko、Matsuo Masayuki、Katayama Yoshiki
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 16489-16489

    • DOI

      10.1038/s41598-020-73336-1

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Development and basic performance evaluation of a large DNP-MRI system for preclinical in vivo redox metabolism measurement2019

    • Author(s)
      Hinako Eto,Tatuya Naganuma,Motonao Nakao,Masaharu Murata, Tomohiko Akahoshi ,Fuminori Hyodo
    • Organizer
      The Society for Redox Biology and Medicine's 26th Annual Conference (SfRBM 2019)
    • Related Report
      2019 Research-status Report

URL: 

Published: 2019-04-18   Modified: 2023-01-30  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi