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Metabolomic analysis of proline metabolic pathway in postmortem brain of schizophrenia

Research Project

Project/Area Number 21K15715
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 52030:Psychiatry-related
Research InstitutionTohoku University (2023)
Fukushima Medical University (2021-2022)

Principal Investigator

Nagaoka Atsuko  東北大学, 大学病院, 助教 (20844632)

Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2022: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2021: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords統合失調症 / 死後脳 / プロリン / グルタミン酸 / オルニチン / アミノ酸 / 1-プロリン-5-カルボン酸
Outline of Research at the Start

統合失調症死後脳で著明な増加が見られたAldehyde Dehydrogenase 4 Family Member A1 (ALDH4A1)を含むプロリン代謝経路で代謝される4つのアミノ酸(プロリン、1-プロリン-5-カルボン酸、オルニチン、グルタミン酸)について、液体クロマトグラフィー質量分析法を用いて定量的メタボローム解析を行い、それらアミノ酸の統合失調症死後脳における変化を明らかにし、プロリン代謝関連酵素のタンパク質発現量との関連解析と、それらアミノ酸をエンドフェノタイプとして、プロリン代謝関連酵素の遺伝子多型との関連を検討し、統合失調症の病態解明と新たな治療標的分子の発見を目指す。

Outline of Final Research Achievements

We focused on the involvement of the proline metabolic pathway in the pathophysiology of schizophrenia. We measured the protein expression levels of the enzymes within the proline metabolic pathway; PEPD, PRODH, ALDH18A1, OAT, and PYCR1, as well as the levels of the amino acids in the same pathway; proline, ornithine, and glutamate, in postmortem brains of patients with schizophrenia and controls. We found that PRODH and ALDH18A1 were significantly lower in the postmortem brains of patients with schizophrenia, while PEPD, OAT, and PYCR1 were not significantly altered. Additionally, in our study, the levels of proline, glutamate, and ornithine were also not significantly altered in the schizophrenic postmortem brain.

Academic Significance and Societal Importance of the Research Achievements

統合失調症は再発・慢性化しやすい精神疾患で社会経済的負担が大きいが、未だ発症の分子メカニズムは解明されておらず、根本的治療の実現には至っていない。本研究はこれまでの統合失調症病態研究ではあまり注目されてこなかったプロリン代謝経路に着目したものであり、代謝経路を構成する分子について、関連酵素のタンパク質発現解析とメタボローム解析によって多元的なアプローチを用いて包括的に検討することで、新規の観点からの病態解明、創薬につながることが期待される。統合失調症患者におけるアミノ酸のメタボローム解析研究は血清では行われているが、死後脳研究では現在のところ少数しかなくこの点でも新規性が高いといえる。

Report

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

    (17 results)

All 2024 2023 2022 2021

All Journal Article (13 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Open Access: 6 results) Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Marked alteration of phosphoinositide signaling‐associated molecules in postmortem prefrontal cortex with bipolar disorder2024

    • Author(s)
      Hino Mizuki、Kunii Yasuto、Shishido Risa、Nagaoka Atsuko、Matsumoto Junya、Akatsu Hiroyasu、Hashizume Yoshio、Hayashi Hideki、Kakita Akiyoshi、Tomita Hiroaki、Yabe Hirooki
    • Journal Title

      Neuropsychopharmacology Reports

      Volume: 44 Issue: 1 Pages: 121-128

    • DOI

      10.1002/npr2.12409

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Identification of schizophrenia symptom-related gene modules by postmortem brain transcriptome analysis2023

    • Author(s)
      Miyahara Kazusa、Hino Mizuki、Shishido Risa、Nagaoka Atsuko、Izumi Ryuta、Hayashi Hideki、Kakita Akiyoshi、Yabe Hirooki、Tomita Hiroaki、Kunii Yasuto
    • Journal Title

      Translational Psychiatry

      Volume: 13 Issue: 1

    • DOI

      10.1038/s41398-023-02449-8

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Disease specific brain capillary angiopathy in schizophrenia, bipolar disorder, and Alzheimer's disease2023

    • Author(s)
      Hirai Shinobu、Sakuma Atsuhiro、Kunii Yasuto、Shimbo Hiroko、Hino Mizuki、Izumi Ryuta、Nagaoka Atsuko、Yabe Hirooki、Kojima Rika、Seki Erika、Arai Nobutaka、Komori Takashi、Okado Haruo
    • Journal Title

      Journal of Psychiatric Research

      Volume: 163 Pages: 74-79

    • DOI

      10.1016/j.jpsychires.2023.04.011

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Lipid-correlated alterations in the transcriptome are enriched in several specific pathways in the postmortem prefrontal cortex of Japanese patients with schizophrenia.2023

    • Author(s)
      Arihisa W, Kondo T, Yamaguchi K, Matsumoto J, Nakanishi H, Kunii Y, Akatsu H, Hino M, Hashizume Y, Sato S, Sato S, Niwa SI, Yabe H, Sasaki T, Shigenobu S, Setou M.
    • Journal Title

      Neuropsychopharmacol Rep.

      Volume: 43 Issue: 3 Pages: 403-413

    • DOI

      10.1002/npr2.12368

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The influence of tissue pH and RNA integrity number on gene expression of human postmortem brain2023

    • Author(s)
      Miyahara Kazusa、Hino Mizuki、Yu Zhiqian、Ono Chiaki、Nagaoka Atsuko、Hatano Masataka、Shishido Risa、Yabe Hirooki、Tomita Hiroaki、Kunii Yasuto
    • Journal Title

      Frontiers in Psychiatry

      Volume: 14

    • DOI

      10.3389/fpsyt.2023.1156524

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Ethnicity-dependent effect of rs1799971 polymorphism on OPRM1 expression in the postmortem brain and responsiveness to antipsychotics2023

    • Author(s)
      Miyahara Kazusa、Hino Mizuki、Shishido Risa、Izumi Ryuta、Nagaoka Atsuko、Hayashi Hideki、Kakita Akiyoshi、Yabe Hirooki、Tomita Hiroaki、Kunii Yasuto
    • Journal Title

      Journal of Psychiatric Research

      Volume: 166 Pages: 10-16

    • DOI

      10.1016/j.jpsychires.2023.08.007

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Evidence for increased DNA damage repair in the postmortem brain of the high stress-response group of schizophrenia2023

    • Author(s)
      Shishido Risa、Kunii Yasuto、Hino Mizuki、Izumi Ryuta、Nagaoka Atsuko、Hayashi Hideki、Kakita Akiyoshi、Tomita Hiroaki、Yabe Hirooki
    • Journal Title

      Frontiers in Psychiatry

      Volume: 14

    • DOI

      10.3389/fpsyt.2023.1183696

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Elevation of EGR1/zif268, a Neural Activity Marker, in the Auditory Cortex of Patients with Schizophrenia and its Animal Model2022

    • Author(s)
      Iwakura Yuriko、Kawahara-Miki Ryoka、Kida Satoshi、Sotoyama Hidekazu、Gabdulkhaev Ramil、Takahashi Hitoshi、Kunii Yasuto、Hino Mizuki、Nagaoka Atsuko、Izumi Ryuta、Shishido Risa、Someya Toshiyuki、Yabe Hirooki、Kakita Akiyoshi、Nawa Hiroyuki
    • Journal Title

      Neurochemical Research

      Volume: in press Issue: 9 Pages: 2715-2727

    • DOI

      10.1007/s11064-022-03599-9

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Dysregulation of DPYSL2 expression by mTOR signaling in schizophrenia: Multi-level study of postmortem brain2022

    • Author(s)
      Izumi Ryuta、Hino Mizuki、Nagaoka Atsuko、Shishido Risa、Kakita Akiyoshi、Hoshino Mikio、Kunii Yasuto、Yabe Hirooki
    • Journal Title

      Neuroscience Research

      Volume: 175 Pages: 73-81

    • DOI

      10.1016/j.neures.2021.09.004

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Detailed Postmortem Profiling of Inflammatory Mediators Expression Revealed Post-inflammatory Alternation in the Superior Temporal Gyrus of Schizophrenia2021

    • Author(s)
      Izumi Ryuta、Hino Mizuki、Wada Akira、Nagaoka Atsuko、Kawamura Takashi、Mori Tsutomu、Sainouchi Makoto、Kakita Akiyoshi、Kasai Kiyoto、Kunii Yasuto、Yabe Hirooki
    • Journal Title

      Frontiers in Psychiatry

      Volume: 12 Pages: 1-8

    • DOI

      10.3389/fpsyt.2021.653821

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evidence for Altered Phosphoinositide Signaling-Associated Molecules in the Postmortem Prefrontal Cortex of Patients with Schizophrenia2021

    • Author(s)
      Kunii Yasuto、Matsumoto Junya、Izumi Ryuta、Nagaoka Atsuko、Hino Mizuki、Shishido Risa、Sainouchi Makoto、Akatsu Hiroyasu、Hashizume Yoshio、Kakita Akiyoshi、Yabe Hirooki
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 22 Issue: 15 Pages: 8280-8280

    • DOI

      10.3390/ijms22158280

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 統合失調症死後脳におけるタンパク定量解析-ALDH4A1とその発現に影響する遺伝子多型2021

    • Author(s)
      長岡敦子、國井泰人、日野瑞城、泉竜太、宍戸理紗、矢部博興
    • Journal Title

      生物学的精神医学誌

      Volume: 32(4) Pages: 186-190

    • NAID

      130008134591

    • Related Report
      2021 Research-status Report
  • [Journal Article] 精神疾患ブレインバンクと死後脳研究の現在2021

    • Author(s)
      國井泰人、長岡敦子、日野瑞城、泉竜太、宍戸理紗、矢部博興
    • Journal Title

      日本生物学的精神医学会誌

      Volume: 32(4) Pages: 179-185

    • NAID

      130008134590

    • Related Report
      2021 Research-status Report
  • [Presentation] 統合失調症死後脳におけるプロリン代謝経路分子の解析2024

    • Author(s)
      長岡敦子、日野瑞城、旗野将貴、細貝優人、宍戸理紗、柿田明美、三浦至、國井泰人、富田博秋
    • Organizer
      第18回日本統合失調症学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Comprehensive analysis of amino acid levels in postmortem brains of patients with schizophrenia.2024

    • Author(s)
      Atsuko Nagaoka, Mizuki Hino, Risa Shishido, Masataka hatano, Yuto Hosogai, Hideomi Hamasaki, Akiyoshi Kakita, Itaru Miura, Yasuto Kunii, Hiroaki Tomita
    • Organizer
      NEURO2024
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 福島精神疾患ブレインバンクの取り組みについて2022

    • Author(s)
      長岡敦子,國井泰人, 大沼裕美,日野瑞城,泉竜太,宍戸理紗,矢部博興
    • Organizer
      第7回クリニカルバイオバンク委員会
    • Related Report
      2022 Research-status Report
  • [Presentation] 統合失調症病態におけるプロリン代謝経路分子の解析-死後脳研究2021

    • Author(s)
      長岡敦子、國井泰人、日野瑞城、泉竜太、宍戸理紗、齊ノ内信 、柿田明美、矢部博興
    • Organizer
      第43回日本生物学的精神医学会
    • Related Report
      2021 Research-status Report

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Published: 2021-04-28   Modified: 2025-01-30  

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