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Monitoring mechanism of fetal brain development via placental BDNF/TrkB signals

Research Project

Project/Area Number 21K07828
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52050:Embryonic medicine and pediatrics-related
Research InstitutionTokai University

Principal Investigator

Goto Yumiko  東海大学, 医学部, 客員講師 (50624574)

Co-Investigator(Kenkyū-buntansha) 石本 人士  東海大学, 医学部, 教授 (10212937)
亀谷 美恵  東海大学, 医学部, 客員准教授 (50338787)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2023: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsチロシンキナーゼ受容体TrkB / 胎盤 / 母児間クロストーク / BDNF/TrkBシグナル / 胎児発育不全
Outline of Research at the Start

胎児発育不全は全妊娠の5-10%に生じる妊娠合併症であり、周産期死亡や出生後の発育にも関わるため病態の解明と治療法の確立は重要な課題である。TrkBは脳由来神経栄養因子BDNFをリガンドとし、神経細胞の生存、分化、増殖に関与することが知られている。一方で、TrkBは胎盤に発現しており「胎盤でのBDNF/TrkBシグナルを介した母児間のクロストークが胎児脳の発育に関与する可能性」がある。そこで本研究では、胎盤に発現するBDNF、TrkBについて免疫組織化学や分子構造を解析する手法や細胞株を用いて分析し、胎盤の胎児側と母体側に相違がみられるかを調べ、胎児脳の発育との関連性を検証する。

Outline of Final Research Achievements

In early pregnancy, the expression of full-length TrkB protein and mRNA was confirmed to be high in the villi and decidual membranes of the placenta. In addition, in cases of fetal growth restriction, mRNA expression of all exons of TrkB was observed in the placenta of severe SGA (small for gestational age, <-2.0SD) in the second trimester of pregnancy. In addition, regardless of fetal development, there was a tendency for TrkB mRNA expression to decrease after 32 weeks of gestation, but the IG-like domain (BDNF (brain-derived neurotrophic factor) binding site) was expressed in many cases. BDNF, a ligand for TrkB, was significantly higher in the placenta in the severe SGA group than in the mild SGA group.

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的意義は、妊娠初期の胎盤において、胎児側、母体側で完全長型TrkB発現が多く、妊娠週数が進むにつれてTrkB発現が低下する傾向がみられるが、胎児発育や妊娠週数に関わらずTrkBのBDNF結合領域の発現が多く認められることが明らかになった点である。胎盤でのBDNF/TrkBシグナルを介した母児間クロストークにより胎児脳の発育を維持する機構のさらなる解明は今後の課題である。また、胎児発育不全は出生後の児の発育にも関わる重大な健康、社会的問題であるが、本研究の成果はBDNF/TrkBシグナルに着目した胎児発育不全、なかでも胎児脳発達のモニタリングの可能性を示した点で社会的意義を有する。

Report

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

    (15 results)

All 2024 2023 2022 2021

All Journal Article (7 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Open Access: 7 results) Presentation (5 results) (of which Int'l Joint Research: 3 results,  Invited: 1 results) Patent(Industrial Property Rights) (3 results) (of which Overseas: 2 results)

  • [Journal Article] Liposome-encapsulated progesterone efficiently suppresses B-lineage cell proliferation.2024

    • Author(s)
      Toshiro Seki, Rikio Suzuki, Shino Ohshima, Yoshiyuki Manabe, Shion Onoue, Yuki Hoshino, Atsushi Yasuda, Ryoji Ito, Hiroshi Kawada, Hitoshi Ishimoto, Takashi Shiina, Yoshie Kametani
    • Journal Title

      Biochemistry and Biophysics Reports

      Volume: - Pages: 101710-101710

    • DOI

      10.1016/j.bbrep.2024.101710

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Coccomyxa subellipsoidea KJ components enhance the expression of metallothioneins and Th17 cytokines during human T cell activation.2024

    • Author(s)
      Toshiro Seki, Shino Ohshima, Satoko Komatsu, Soga Yamada, Hirofumi Kashiwagi, Yumiko Goto, Banri Tsuda, Akiko Kanno, Atsushi Yasuda, Hitoshi Kuno, Noriko M Tsuji, Takashi Shiina, Yoshie Kametani
    • Journal Title

      Microorganisms in press

      Volume: - Issue: 4 Pages: 741-741

    • DOI

      10.3390/microorganisms12040741

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 特集  生殖内分泌学と生殖免疫学の接点 妊娠維持機能とプロゲステロン2023

    • Author(s)
      亀谷美恵
    • Journal Title

      HORMONE FRONTIER IN GYNECOLOGY

      Volume: 30 Issue: 3 Pages: 59-63

    • DOI

      10.34449/J0015.30.03_0059-0063

    • ISSN
      1340-220X
    • Year and Date
      2023-09-01
    • Related Report
      2023 Annual Research Report
    • Open Access
  • [Journal Article] Construction of the systemic anticancer immune environment in tumour-bearing humanized mouse by using liposome-encapsulated anti-programmed death ligand 1 antibody-conjugated progesterone2023

    • Author(s)
      Kametani Yoshie、Ito Ryoji、Ohshima Shino、Manabe Yoshiyuki、Tsuda Banri、Kashiwagi Hirofumi、Goto Yumiko、Yasuda Atsushi、Maeki Masatoshi、Tokeshi Manabu、Seki Toshiro、Fukase Koichi、Mikami Mikio、Ando Kiyoshi、Ishimoto Hitoshi、Shiina Takashi
    • Journal Title

      Frontiers in Immunology

      Volume: 14 Pages: 1173728-1173728

    • DOI

      10.3389/fimmu.2023.1173728

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] High-progesterone environment preserves T cell competency by evading glucocorticoid effects on immune regulation.2022

    • Author(s)
      Hirofumi Kashiwagi, Yumiko Goto, Hitoshi Ishimoto, Yoshie Kametani, et al.
    • Journal Title

      Frontiers in Immunology

      Volume: 13 Pages: 1-19

    • DOI

      10.3389/fimmu.2022.1000728

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Small For Gestational age (SGA)の胎盤におけるTrkBアイソフォームの発現の検討 Analysis of TrkB isoform expression in placenta of Small For Gestational age (SGA)2022

    • Author(s)
      近藤朱音、亀谷美恵、他
    • Journal Title

      国立病院機構四国こどもとおとなの医療センター医学雑誌

      Volume: 9 Pages: 9-13

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Tropomyosin-related kinase B (TrkB) full-length isoform is related to advanced-stage clear cell ovarian cancer (CCOC)2021

    • Author(s)
      Yumiko Goto, Yoshie Kametani, Hitoshi Ishimoto, et al.
    • Journal Title

      European Journal of Gynaecological Oncology

      Volume: 42 Issue: 5 Pages: 899-908

    • DOI

      10.31083/j.ejgo4205137

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Construction of Anticancer Immune Environment by Liposome-encapsulated Progesterone conjugated with anti-PD-L1 antibody2023

    • Author(s)
      Yoshie Kametani, Ryoji Ito, Shino Ohshima, Yoshiyuki Manabe, Yusuke Ohno, Keita Ito, Banri Tsuda, Hirofuji Kashiwagi, Yumiko Goto, Atsushi Yasuda, Toshiro Seki, Koichi Fukase, Mikio Mikami, Kiyoshi Ando, Hitoshi Ishimoto, Takashi Shiina
    • Organizer
      The 82nd Annual Meeting of the Japanese Cancer Association
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Construction of Anticancer Immune Environment by Liposome-encapsulated Progesterone conjugated with anti-PD-L1 antibody.2023

    • Author(s)
      Yoshie Kametani, Ryoji Ito, Shino Ohshima, Yoshiyuki Manabe, Yusuke Ohno, Soga Yamada, Keita Ito, Takuya Matsumoto, Koichi Fukase, Banri Tsuda, Hirofumi Kashiwagi, Yumiko Goto, Atsushi Yasuda, Masatoshi Maeki, Manabu Tokeshi, Toshiro Seki, Mikio Mikami, Kiyoshi Ando, Hitoshi Ishimoto, Takashi Shiina
    • Organizer
      The 27th Annual Meeting of Japanese Association of Cancer Immunology
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] High-progesterone environment preserves naive T cell competency by evading glucocorticoid effects on immune regulation.2022

    • Author(s)
      Yoshie Kametani
    • Organizer
      The 6th International Workshop on Humanized Mice (IWHM6)
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] プロゲステロンとコルチゾルがヒト化マウス抗体産生機能に与える効果の解析2022

    • Author(s)
      大島志乃、後藤優美子、亀谷美恵、他
    • Organizer
      第36回下垂体研究会学術集会
    • Related Report
      2022 Research-status Report
  • [Presentation] 妊娠ホルモンによるヒト化マウス免疫系の調節機能解析2022

    • Author(s)
      山田壮我、亀谷美恵、他
    • Organizer
      第36回下垂体研究会学術集会
    • Related Report
      2022 Research-status Report
  • [Patent(Industrial Property Rights)] 担がん-免疫不全非ヒト動物、これを用いた供試物質に関するがん免疫応答評価方法2022

    • Inventor(s)
      亀谷美恵、他
    • Industrial Property Rights Holder
      学校法人東海大学、公益財団法人実験動物中央研究所
    • Industrial Property Rights Type
      特許
    • Filing Date
      2022
    • Related Report
      2022 Research-status Report
  • [Patent(Industrial Property Rights)] T細胞の分化調節剤及び組成物2022

    • Inventor(s)
      亀谷美恵、他
    • Industrial Property Rights Holder
      学校法人東海大学、株式会社デンソー
    • Industrial Property Rights Type
      特許
    • Filing Date
      2022
    • Related Report
      2022 Research-status Report
    • Overseas
  • [Patent(Industrial Property Rights)] T細胞及び/又はB細胞の活性調節剤を含む併用剤2022

    • Inventor(s)
      亀谷美恵、他
    • Industrial Property Rights Holder
      学校法人東海大学
    • Industrial Property Rights Type
      特許
    • Filing Date
      2022
    • Related Report
      2022 Research-status Report
    • Overseas

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

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