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

Relationship between autistic behavior and neuroinflammatory response in rats exposed to air pollutants during the developmental period

Research Project

Project/Area Number 19K12361
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 63040:Environmental impact assessment-related
Research InstitutionNational Institute for Environmental Studies

Principal Investigator

Win-Shwe Tin-Tin  国立研究開発法人国立環境研究所, 環境リスク・健康領域, 主幹研究員 (00391128)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords神経毒性 / 環境化学物質 / 発達期 / ディーゼル排気ガス二次生成有機エアロゾル / ラット / 二次生成有機エアロゾル / 大気汚染物質 / 自閉症 / 神経免疫バイオマーカー / 社会行動 / 神経免疫バイマーカー
Outline of Research at the Start

自閉症スペクトラム障害(ASD)は、神経発達障害であり、社会的相互作用や、言語/コミュニケーションに障害が見られ、興味の範囲の狭さおよび反復性の行動を特徴としている。遺伝的要因と環境要因の両方がASDに寄与しているとされるが、自閉症の正確な病因と病態生理は不明である。我々は、出生前と幼少期の大気汚染物質曝露がASDの潜在的な要因であると仮定し、神経炎症は大気汚染物質とASDのような異常を結びつけるメカニズムとして役立つ可能性を考えた。本研究では、ラットモデルを用いて環境汚染物質への発達期曝露における神経免疫応答に重要な役割を果たすマスト細胞、ミクログリアとASD様の行動についても検討する。

Outline of Final Research Achievements

Using diesel exhaust secondary organic aerosols (DE-SOA) as a model for air pollutants, we investigated autism-like behaviors and neuroimmune responses in rats exposed to DE-SOA during developmental period. Valproic acid (VPA) was administered to Sprague-Dawley pregnant rats on the 12.5th day of gestation, and impaired social behavior occurred in ASD was confirmed. In both adult male and female rats exposed to DE-SOA during fetal and infancy, changes in gene expression associated with impaired social behavior were obtained. Furthermore, the number of mast cells and activated microglial cells in the prefrontal cortex of rats increased significantly in the DE-SOA group. Our findings suggest that neuroimmune crosstalk may play an important role in autism-like behavior.

Academic Significance and Societal Importance of the Research Achievements

自閉症は神経発達障害であり、正確な病因と病態生理は不明である。発達期の大気汚染物質曝露と自閉症の関連性があることを示している。ヒトの研究では、妊娠中の大気汚染粒子状物質の曝露は、子供におけるASDと関連していることが報告された。本研究では、ディーゼル排気ガス二次生成有機エアロゾルを大気汚染物質のモデルとして発達期に曝露を行い、自閉症様社会行動および神経免疫応答に関するバイオマーカー、肥満細胞やミクログリアの活性化について検討した。その結果、神経免疫クロストークが重要な役割を果たすことが明らかになった。 自閉症の病態生理学的メカニズムを理解することは、環境管理と臨床応用に役立つことである。

Report

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

    (17 results)

All 2022 2021 2020 2019

All Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (15 results) (of which Int'l Joint Research: 4 results,  Invited: 2 results)

  • [Journal Article] Perinatal exposure to diesel exhaust-origin secondary organic aerosol induces autism-like behavior in rats2021

    • Author(s)
      Tin-Tin Win-Shwe, Chaw Kyi Tha Thu, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 22, 538 Issue: 2 Pages: 1-16

    • DOI

      10.3390/ijms22020538

    • Related Report
      2021 Annual Research Report 2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Effects of diesel exhaust derived secondary organic aerosol (DE-SOA) exposure during developmental period on anxiety and depression in mice2019

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano
    • Journal Title

      Indoor Environment

      Volume: 22 (19) Pages: 23-32

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] Role of neurotransmitters and neurotrophic factors in anxiety-like behaviors in rats exposed to air pollutants in early life2022

    • Author(s)
      Tin-Tin Win-Shwe, Chaw Kyi Tha Thu, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano
    • Organizer
      The 92nd Annual Meeting of the Japanese Society for Hygiene
    • Related Report
      2021 Annual Research Report
  • [Presentation] Early life exposure to environmental pollutant induces autism-like behavior by neuroimmune dysregulation in rats2021

    • Author(s)
      Chaw Kyi Tha Thu, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano, Yutaka Kawakami, Tin-Tin Win-Shwe
    • Organizer
      第11回国際医療福祉大学学会学術大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Perinatal exposure to diesel exhaust origin secondary organic aerosol causes autism-like behavior in rats2021

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano
    • Organizer
      56th Congress of the European Societies of Toxicology
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] In utero and early life exposure to diesel exhaust-derived secondary organic aerosol on neurobehavior, neurological and immunological biomarkers in male rats2021

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano
    • Organizer
      第45回日本女性栄養・代謝学会学術集会・第10回日本DOHaD学会学術集会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Social behavior in fragile X mental retardation 1 and neuroligin 3 knockout and perinatally air pollutant-exposed rats2021

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano, Hidehiro Watanabe
    • Organizer
      The 44th meeting of the Japan Neuroscience Society
    • Related Report
      2021 Annual Research Report
  • [Presentation] Effects of developmental exposure to secondary organic aerosols on immune cells and apoptosis in rat brain2021

    • Author(s)
      Tin-Tin Win-Shwe, Chaw Kyi Tha Thu, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano
    • Organizer
      The 91st Annual Meeting of the Japanese Society for Hygiene
    • Related Report
      2021 Annual Research Report
  • [Presentation] Developmental period exposure to diesel exhaust origin secondary organic aerosol induces autism-like behavior in rats2021

    • Author(s)
      Chaw Kyi-Tha-Thu, Tin-Tin Win-Shwe, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano
    • Organizer
      49th Myanmar Health Research Congress
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Lecture series for Retaining Internationalized Characters:[Global Issues and Global society: Environmental Pollution & Health Effects] Effects of chemical exposure on central nervous system in animal models2021

    • Author(s)
      Tin-Tin Win-Shwe
    • Organizer
      The University of Tsukuba
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Effects of developmental exposure to secondary organic aerosols on immune cells and apoptosis in rat brain2020

    • Author(s)
      1)Tin-Tin Win-Shwe, Chaw Kyi Tha Thu, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano
    • Organizer
      he 91st Annual Meeting of the Japanese Society for Hygiene
    • Related Report
      2020 Research-status Report
  • [Presentation] Developmental period exposure to diesel exhaust origin secondary organic aerosol induces autism-like behavior in rats2020

    • Author(s)
      4)Chaw Kyi-Tha-Thu, Tin-Tin Win-Shwe, Yuji Fujitani, Shinji Tsukahara, Seishiro Hirano
    • Organizer
      49th Myanmar Health Research Congress
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Perinatal diesel exhaust originated secondary organic aerosol exposure produces autism-like behaviors in offspring rats: comparison with valproic acid autistic model2020

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano
    • Organizer
      The 43rd meeting of the Japan Neuroscience Society
    • Related Report
      2020 Research-status Report
  • [Presentation] Developmental exposure to diesel exhaust -derived secondary organic aerosol (DE-SOA) on anxiety and depression in mice2019

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano
    • Organizer
      28th Symposium on Japan Environmental Chemistry
    • Related Report
      2019 Research-status Report
  • [Presentation] Alteration of social behavior and neuroimmune biomarkers in Fragile X mental retardation 1 knockout and valproic acid -induced autism rat models.2019

    • Author(s)
      Tin-Tin Win-Shwe, Hidehiro Watanabe
    • Organizer
      15th International Congress of Toxicology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Alteration of social dominance behavior in rats after developmental exposure to secondary organic aerosol.2019

    • Author(s)
      Tin-Tin Win-Shwe, Yuji Fujitani, Seishiro Hirano
    • Organizer
      42nd Meeting of the Japan Neuroscience Society
    • Related Report
      2019 Research-status Report
  • [Presentation] Development of Pocket PM2.5 Sensor [Pro] for personal exposure assessment to particulate matters2019

    • Author(s)
      Tin-Tin Win-Shwe
    • Organizer
      90th Japanese Society for Hygiene
    • Related Report
      2019 Research-status Report
    • Invited

URL: 

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

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi