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Study of brain-type fatty acid binding protein as a biomarker of psychiatric disorder for application to blood test

Research Project

Project/Area Number 16K19189
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Laboratory medicine
Research InstitutionNational Defense Medical College (2017-2018)
Hokkaido University (2016)

Principal Investigator

Koga Minori  防衛医科大学校(医学教育部医学科進学課程及び専門課程、動物実験施設、共同利用研究施設、病院並びに防衛, 精神科学, 助教 (70744936)

Research Collaborator Kusumi Ichiro  
Nakagawa Shin  
Kitaichi Yuji  
Hayasaka Takahiro  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords脂肪酸結合タンパク質 / 酸化ストレス / 統合失調症 / 双極性障害 / うつ病 / バイオマーカー / 脳型脂肪酸結合タンパク質 / 生物学的マーカー / 精神疾患
Outline of Final Research Achievements

Biomarkers that enable objective evaluation in psychiatric disorders such as schizophrenia, bipolar disorder, and depression have not been reported so far.In the present study, focusing on the brain-type fatty acid binding protein B-FABP, which was indicated a correlation with psychological stress in the preliminary study, was analyzed the correlation in the blood between the concentration and mental disorders. As the result, B-FABP was shown a correlation with the risk of onset of these disorders, and the symptoms of schizophrenia. We have been concluded that B-FABP is a useful molecule for objective evaluation of psychiatric disorders.

Academic Significance and Societal Importance of the Research Achievements

本研究で対象とした3つの疾患において、血漿中B-FABP濃度がいずれも対照群より有意に高かったことから、これらの疾患に共通した病態によるものであることが示唆された。このことから、血漿中B-FABP濃度はこれらの精神疾患の発症リスクに関する指標となることが示唆された。また、統合失調症においては臨床症状の重症度とも相関することから、B-FABPは統合失調症における治療効果や薬剤効果の指標としての応用に期待できる。本研究結果から、B-FABPは日常的な血液検査レベルで精神疾患の診断補助や重症度の客観的評価を可能にするバイオマーカーとしての応用に期待できる分子であることが示された。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (3 results)

All 2018 2016

All Presentation (3 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] Plasma brain-type fatty acid-binding protein is a potential candidate biomarker for psychiatric disorders2018

    • Author(s)
      Minori Koga, Shin Nakagawa, Asumi Sato, Yumi Wakatsuki, Kan Kitagawa, Rie Kameyama, Niki Udo, Satoshi Asakura, Yutaka Fujii, Yuki Kako, Koki Ito, Nobuyuki Mitsui, Hisashi Narita, Kuniyoshi Toyoshima, Akiko Kato, Ichiro Kusumi
    • Organizer
      Neuroscience 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Serum brain-type fatty acid-binding protein level is elevated in response to mental stress2016

    • Author(s)
      Minori Koga, Shin Nakagawa, Yumi Wakatsuki, Kan Kitagawa, Rie Kameyama, Niki Udo, Satoshi Asakura, Yutaka Fujii, Yuki Kako, Koki Ito, Nobuyuki Mitsui, Hisashi Narita, Kuniyoshi Toyoshima, Akiko Kato, Ichiro Kusumi
    • Organizer
      Neuroscience 2016 Annual Meeting - Society for Neuroscience
    • Place of Presentation
      San Diego (United States of America)
    • Year and Date
      2016-11-12
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 精神的ストレスに対するバイオマーカーとしての血清中脳型脂肪酸結合タンパク質の検討2016

    • Author(s)
      古賀農人、中川伸、若槻百美、北川寛、加藤亜紀子、久住一郎
    • Organizer
      第 38回日本生物学的精神医学会
    • Place of Presentation
      福岡国際会議場(福岡県福岡市)
    • Year and Date
      2016-09-08
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2021-01-27  

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