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Elucidation of the pathogenesis of chronic inflammatory neurological diseases from the perspective of chronic infection with Helicobacter pylori

Research Project

Project/Area Number 18K07379
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 51030:Pathophysiologic neuroscience-related
Research InstitutionKindai University

Principal Investigator

Park Ah-Mee  近畿大学, 医学部, 講師 (70469245)

Co-Investigator(Kenkyū-buntansha) 佐藤 文孝  近畿大学, 医学部, 助教 (30779327)
萩原 智  近畿大学, 医学部, 講師 (40460852)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsアルツハイマー病 / ピロリ菌 / 外膜小胞 / 神経炎症 / 多発性硬化症 / ミクログリア / アルツハイマー型認知症 / 細胞外小胞 / 炎症 / 神経細胞 / Helicobacter pylori
Outline of Final Research Achievements

Epidemiological studies have reported that the infection rate of H. pylori is significantly higher in Alzheimer's disease. However, there have been few reports that have shown a relationship between them in animal experiments that are not affected by environmental factors. In this study, we found that H. pylori chronic infected mice showed significantly increase of central nervous system inflammation than non-infected mice. Although the mechanism of this increase is not clear at present, we found that the outer membrane vesicles produced by H. pylori may be involved.

Academic Significance and Societal Importance of the Research Achievements

ピロリ菌がその生息場所から離れた脳の炎症に関与していることを動物実験で示すことができたことは非常に意義深い。このメカニズムを明らかにすることは喫緊の課題といえる。
ピロリ菌感染は胃がんのリスク因子であることから日本ではその除菌は保険適用となっており推奨されている。アルツハイマー型認知症発症には加齢、遺伝や生活習慣など多くの因子が関係している。本研究結果からピロリ菌感染もその因子の一つであると考えることが出来、積極的に除菌すべきであると考える。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (5 results)

All 2020 2019 2018 Other

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

  • [Journal Article] Galectin-3 as a Therapeutic Target for NSAID-Induced Intestinal Ulcers2020

    • Author(s)
      Park Ah-Mee、Khadka Sundar、Sato Fumitaka、Omura Seiichi、Fujita Mitsugu、Hsu Daniel K.、Liu Fu-Tong、Tsunoda Ikuo
    • Journal Title

      Frontiers in Immunology

      Volume: 11 Pages: 550366-550366

    • DOI

      10.3389/fimmu.2020.550366

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Forensic luminol reaction for detecting fecal occult blood in experimental mice2018

    • Author(s)
      Ah-Mee Park, Ikuo Tsunoda
    • Journal Title

      Biotechniques

      Volume: 65 Issue: 4 Pages: 227-230

    • DOI

      10.2144/btn-2018-0017

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 胃粘膜ピロリ菌感染によるアルツハイマー病モデルマウスの脳内グリア細胞活性化2020

    • Author(s)
      朴雅美、佐藤文孝、中村優美和、角田郁生
    • Organizer
      第39回日本認知症学会学術集会
    • Related Report
      2020 Annual Research Report
  • [Presentation] ピロリ菌が神経細胞・中枢神経系に及ぼす影響2019

    • Author(s)
      朴雅美
    • Organizer
      日本分子生物学会 第42回日本分子生物学会年会
    • Related Report
      2019 Research-status Report
  • [Remarks] 近畿大学医学部 微生物学 業績集

    • URL

      https://www.med.kindai.ac.jp/microbio/nihongopublication.html

    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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