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Fatty acid composition in the postmortem frontal cortex of patients with schizophrenia: A case-control study

Research Project

Project/Area Number 25461726
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Psychiatric science
Research InstitutionUniversity of Toyama

Principal Investigator

Hamazaki Kei  富山大学, 大学院医学薬学研究部(医学), 准教授 (50533494)

Co-Investigator(Kenkyū-buntansha) YOSHIKAWA Takeo  独立行政法人理化学研究所, 分子精神科学研究チーム, チームリーダー (30249958)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords統合失調症 / 多価不飽和脂肪酸 / 脂肪酸結合蛋白 / 死後脳 / ケース・コントロール研究
Outline of Final Research Achievements

Abnormal levels of n-3 polyunsaturated fatty acids (PUFAs), particularly docosahexaenoic acid (DHA), have been found in the postmortem frontal cortex, particularly the orbitofrontal cortex, of patients with schizophrenia. Altered mRNA expression of fatty acid binding protein (FABP) 5 and FABP7 has likewise been reported. This study investigated whether PUFAs in the frontal cortex [Brodmann area (BA) 8] and mRNA expression of FABP3, 5, and 7 were different between patients with schizophrenia (n = 95) and unaffected controls (n= 93). No significant differences were found in DHA between the groups. Although arachidonic acid (AA) levels were significantly decreased in the schizophrenia group, no association was found between AA and schizophrenia on logistic regression analysis. Only FABP3 expression was significantly lower in the schizophrenia group than in the control group.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (6 results)

All 2016 2015 2014 Other

All Int'l Joint Research (1 results) Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Acknowledgement Compliant: 2 results) Presentation (3 results)

  • [Int'l Joint Research] The University of Melbourne(Australia)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] Fatty acid composition and fatty acid binding protein expression in the postmortem frontal cortex of patients with schizophrenia: A case-control study.2016

    • Author(s)
      Hamazaki K, Maekawa M, Toyota T, Iwayama Y, Dean B, Hamazaki T, Yoshikawa T
    • Journal Title

      Schizophr Res.

      Volume: 171 Issue: 1-3 Pages: 225-32

    • DOI

      10.1016/j.schres.2016.01.014

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Fatty acid composition of the postmortem prefrontal cortex of patients with schizophrenia, bipolar disorder, and major depressive disorder.2015

    • Author(s)
      Hamazaki K, Maekawa M, Toyota T, Dean B, Hamazaki T, Yoshikawa T.
    • Journal Title

      Psychiatry Research

      Volume: 印刷中 Issue: 2-3 Pages: 353-9

    • DOI

      10.1016/j.psychres.2015.01.004

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] 統合失調症の死後脳前頭葉における脂肪酸組成について2014

    • Author(s)
      浜崎景,前川素子,豊田倫子,Brian Dean,浜崎 智仁,吉川武男
    • Organizer
      日本脂質栄養学会第23回大会
    • Place of Presentation
      東京
    • Year and Date
      2014-08-29 – 2014-08-30
    • Related Report
      2014 Research-status Report
  • [Presentation] A Case-control Study for Fatty Acid Composition of the Postmortem Prefrontal Cortex from Patients with Schizophrenia.2014

    • Author(s)
      Hamazaki K, Maekawa M, Toyota T, Dean B, Hamazaki T, Yoshikawa T
    • Organizer
      11th Congress of the International Society for the Study of Fatty Acids and Lipids
    • Place of Presentation
      ストックホルム
    • Year and Date
      2014-06-28 – 2014-07-02
    • Related Report
      2014 Research-status Report
  • [Presentation] A Case-control Study for Fatty Acid Composition of the Postmortem Prefrontal Cortex from Patients with Schizophrenia2014

    • Author(s)
      Kei Hamazaki, Motoko Maekawa, Tomoko Toyota, Brian Dean,Tomohito Hamazaki, Takeo Yoshikawa
    • Organizer
      The 2nd International Society for Nutritional Psychiatry Research
    • Place of Presentation
      メルボルン(オーストラリア)
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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