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Development of the diagnostic system for the prognosis of severe alopecia areata integrating imaging and immunological analysis

Research Project

Project/Area Number 20K17328
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 53050:Dermatology-related
Research InstitutionKyorin University

Principal Investigator

Kinoshita-Ise Misaki  杏林大学, 医学部, 学内講師 (40594594)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords円形脱毛症 / 超音波 / 超高周波 / 三次元 / トリコスコピー / 予後 / ステロイドパルス療法 / 免疫学的解析 / 超高周波超音波 / 3D画像 / 病理組織 / 画像診断 / 免疫
Outline of Research at the Start

本研究は、積極的な全身療法が必要となるような重症の円形脱毛症患者を対象とし、受診時もしくは治療早期の段階で、今後の病勢の推移や治療への反応性を予測することで、適切なタイミングでの治療の開始や切り替えに役立てることのできる評価システムを構築することを目指す。具体的には、採血検査や皮膚生検、画像診断などから得られた様々な情報を解析し、それぞれがどのように関連するかを検証した上で、診断のために重要と判断された因子を抽出し、それらの組み合わせによるスコアリングシステムを作成する。これを用いることで、患者の個々の状態に即した治療を可能となる。

Outline of Final Research Achievements

Using novel diagnostic modality: three dimentional ultra-high frequency ultrasound for the assessment of alopecia areata, we succeeded in detecting ultrasonographic findings associated with hair cycle abnormality and inflammation. Additionally, presence of these findings were associated with disease phase and treatment response after the examination. As they are not observable by conventional diagnostic techniques, ultrasonographic findings newly detected in this study would help evaluate disease activity and predict treatment response of individual patients.

Academic Significance and Societal Importance of the Research Achievements

個々の脱毛症患者の病態や重症度、疾患の活動性を正確に評価するためには頭皮生検(頭皮から組織を採取し病理学的に評価する検査)が有用だが、痛みや傷跡という点で患者に負担を与える検査であり、限られた状況でのみ行われてきた。本研究では3D機能を備えた高性能の超音波技術を用いて円形脱毛症患者の頭皮を観察し、病態や治療反応性と関連した異常所見を同定することに成功した。同技術を円形脱毛症患者に用いることで、患者への負担は最小限に抑えつつ、病態に即した有効な治療法の提案・計画がしやすくなるものと考えられる。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (16 results)

All 2024 2023 2022 2021

All Journal Article (3 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 3 results) Presentation (13 results) (of which Int'l Joint Research: 4 results,  Invited: 6 results)

  • [Journal Article] Increase in CD8+ Effector Memory T Cells Re-Expressing CD45RA Correlates with Intractability of Severe Alopecia Areata2024

    • Author(s)
      Ryo Takahashi, Misaki Kinoshita-Ise, Yoshimi Yamazaki, Masahiro Fukuyama, Manabu Ohyama
    • Journal Title

      Journal of Investigative Dermatology

      Volume: S0022-202X(24)00025-3 Issue: 7 Pages: 1654-1657.e7

    • DOI

      10.1016/j.jid.2024.01.006

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Update on trichoscopy: Integration of the terminology by systematic approach and a proposal of a diagnostic flowchart2022

    • Author(s)
      Kinoshita‐Ise Misaki, Sachdeva Muskaan
    • Journal Title

      The Journal of Dermatology

      Volume: 49 Issue: 1 Pages: 4-18

    • DOI

      10.1111/1346-8138.16233

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Ultra high-frequency ultrasound with seventy-MHz transducer in hair disorders: Development of a novel noninvasive diagnostic methodology2021

    • Author(s)
      Kinoshita-Ise Misaki, Ohyama Manabu, Ramjist Joel M., Foster F. Stuart, Yang Victor X.D., Sachdeva Muskaan, Sade Shachar, Shear Neil H.
    • Journal Title

      Journal of Dermatological Science

      Volume: 102 Issue: 3 Pages: 167-176

    • DOI

      10.1016/j.jdermsci.2021.04.008

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Three-dimensional ultra-high frequency ultrasound facilitates image processing to visualize microstructural changes of hair follicles and detects distinct disease phases of alopecia areata2023

    • Author(s)
      Iwasaki Tatsuro, Kinoshita-Ise Misaki, Ida Taichiro, Masayuki Amagai, Manabu Ohyama
    • Organizer
      International Societies for Investigative Dermatology
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 超高周波3D 超音波を用いた円形脱毛症の特徴的所見の可視化と病態における意義 についての検討2023

    • Author(s)
      岩﨑達郎、木下美咲、伊田泰一郎、福山雅大、天谷雅行、大山学
    • Organizer
      第31回毛髪科学研究会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 超高周波3D超音波を用いた円形脱毛症における特徴的病理所見の可視化と予後予測因子の検討2023

    • Author(s)
      岩﨑達郎、木下美咲、伊田泰一郎、天谷雅行、大山学
    • Organizer
      第49回皮膚かたち研究学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 脱毛症の診断法アップデート2023

    • Author(s)
      木下美咲
    • Organizer
      第122回日本皮膚科学会総会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 脱毛症診断の今と未来~次世代診断技術で覗く世界~2023

    • Author(s)
      木下美咲
    • Organizer
      第32回日本形成外科学会基礎学術集会
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] 円形脱毛症の診断と評価2023

    • Author(s)
      木下美咲
    • Organizer
      第28回日本臨床毛髪学会学術集会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 炎症性毛髪疾患の基礎から応用まで:アップデートの知識を学ぶ2022

    • Author(s)
      木下美咲
    • Organizer
      第86回日本皮膚科学会東京支部学術大会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] 円形脱毛症UPDATE:診断・治療の実際を学ぶ2022

    • Author(s)
      木下美咲
    • Organizer
      第73回日本皮膚科学会中部支部学術大会
    • Related Report
      2022 Research-status Report
    • Invited
  • [Presentation] Diagnostic and therapeutic strategies for alopecia areata2022

    • Author(s)
      Misaki Kinoshita-Ise
    • Organizer
      The 47th Annual Meeting of the Japanese Society for Investigative Dermatology
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] しなやかな脱毛症診療をめざして 患者さんの質問にこう答える!画像診断法の活用とともに2021

    • Author(s)
      木下美咲
    • Organizer
      第37回日本臨床皮膚科医会総会・臨床学術大会シンポジウム
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] 脱毛症Update 教科書にはない実際のはなし2021

    • Author(s)
      木下美咲
    • Organizer
      第85回日本皮膚科学会東京支部学術大会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Ultra high-frequency ultrasound: A novel noninvasive diagnostic technology for hair diseases2021

    • Author(s)
      Misaki Kinoshita-Ise, Manabu Ohyama, Neil Shear
    • Organizer
      The 29th Annual Meeting of Society for Hair Research
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Ultra high-frequency ultrasound provides a novel noninvasive diagnostic method for hair diseases complementing conventional modalities2021

    • Author(s)
      Misaki Kinoshita-Ise, Manabu Ohyama, Stuart Foster, Shachar Sade, Neil Shear
    • Organizer
      The 46th Annual Meeting of the Japanese Society for Investigative Dermatology
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research

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Published: 2020-04-28   Modified: 2025-01-30  

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