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Pathogenesis of endometriosis via endometrial stromal cell derived exosomes.

Research Project

Project/Area Number 16K11138
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Obstetrics and gynecology
Research InstitutionOsaka University

Principal Investigator

Hashimoto Kae  大阪大学, 医学系研究科, 助教 (90612078)

Co-Investigator(Kenkyū-buntansha) 澤田 健二郎  大阪大学, 医学系研究科, 講師 (00452392)
馬淵 誠士  大阪大学, 医学系研究科, 助教 (00452441)
松本 有里  大阪大学, 医学部附属病院, 助教 (90756488)
Research Collaborator Yamashita Saya  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords子宮内膜症 / エクソソーム / 子宮内膜間質細胞
Outline of Final Research Achievements

On the hypothesis that endometrial cell derived exosomes change the intraperitoneal microenvironments and permit to implant retrograde menstruation cells onto peritoneum, we focused on exosomes produced from eutopic endometrium. Exosomes were isolated from eutopic endometrial stromal cells in endometriosis patients and immortalized endometrial stromal cells. Exosomes from immortalized endometrial stromal cells reduced the cell-cell contact between human peritoneal mesotherial cells, but did not increase the endometrial stromal cell invasion. On the other hand, some of endometrial stromal cells from endometriosis patients showed invasive capacity.
These result suggest that exosomes from endometrium has some effect in intraperitoneal microenvironments, but the effect to endometrial cells are issue for further studies.

Academic Significance and Societal Importance of the Research Achievements

子宮内膜症の発症および進展に関わる腹腔内微小環境の変化についてエクソソームに着目して検討を行った報告はなく、子宮内膜症におけるエクソソームによる細胞間情報伝達機構の解明は子宮内膜症発症のメカニズムに対する全く新しい知見をもたらす可能性があり、その知見により子宮内膜症治療の新たなターゲットの創出につながる可能性がある。
子宮内膜症の発生頻度(生殖期女性の約10%)、月経痛や不妊などの症状を有する率(内膜症病変のある患者の35-50%)を留意すると、新規治療により子宮内膜症を克服できれば労働損失・医療費などの社会負担を軽減できるのみならず、多くの女性のQOL改善に貢献することができる。

Report

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

    (1 results)

All 2018

All Presentation (1 results)

  • [Presentation] Expression pattern of membrane proteins in endometrial stromal cells from women with endometriosis2018

    • Author(s)
      Yamashita, S. Hashimoto, K. Yoshimura, A. Sawada, I. Matsumoto, Y. Kodama, M. Mabuchi, S. Sawada, K. Kimura, T.
    • Organizer
      第70回日本産科婦人科学会学術講演会
    • Related Report
      2018 Annual Research Report

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Published: 2016-04-21   Modified: 2020-03-30  

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