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2023 Fiscal Year Annual Research Report

感覚モダリティ理解のためのミクログリア・シナプス接触の多角的解析

Research Project

Project/Area Number 20KK0170
Research InstitutionNational Institute for Physiological Sciences

Principal Investigator

和氣 弘明  生理学研究所, 基盤神経科学研究領域, 教授 (90455220)

Co-Investigator(Kenkyū-buntansha) 大野 伸彦  自治医科大学, 医学部, 教授 (10432155)
加藤 大輔  生理学研究所, 基盤神経科学研究領域, 特別訪問研究員 (10712292)
竹田 育子  生理学研究所, 基盤神経科学研究領域, 特別訪問研究員 (30746300)
Project Period (FY) 2020-10-27 – 2024-03-31
Keywordsミクログリア / トランスクリプトーム
Outline of Annual Research Achievements

ミクログリアによる異種感覚の可塑性への寄与を明らかにし、その精神疾患病態への関わりについて検証した。
まず、高次視覚野であるV2Lにそれぞれの第一次感覚野から投射があることを示し、V2Lにおける神経細胞の機能応答を検証したところ、通常ではヒゲ刺激によってV2Lの応答は抑制されるが、視覚遮断によってその活動頻度が増強することがわかった。詳細な検討を行ったところ、ミクログリアは視覚遮断に伴い、興奮性神経細胞周囲に接触し、抑制性シナプスを剥がすことによってその興奮性神経細胞の興奮性を獲得することに寄与することがわかった。さらにこの獲得した興奮性はヒゲの感覚識別に寄与することも明らかにした。これは先天的視覚遮断によって起こる現象である。では後天的視覚遮断ではどうなるのであろうか。ヒトでは極度の低視力もしくは視覚喪失に伴って幻覚が生じることが知られている(シャルルボネ症候群)。マウスでこれを検証するために成熟マウスで視覚遮断を行い、神経細胞の活動を検証したところ、神経細胞集団の活動の増加、ミクログリアの活性化それに伴うアストロサイトの活動増強が観察された。これらの神経活動に対する寄与を現在検証するとともに海外共同研究者とともに、トランスクリプトーム変化をそれぞれの細胞のRNAシークエンスを用いて解析している。さらに病態モデルにおける変化を海外共同研究者とともに、トランスクリプトーム変化とイメージング解析を統合し、検証している。さらにこれを病態に応用するために統合失調症および自閉症のリスクファクターとして知られる3q29欠失症候群に着目した。3q29欠失モデルマウスのミクログリアの形態変化を検証したところ3q29欠失モデルマウスではミクログリアの細胞体面積及び分岐数は前頭前野、連合野、第一次体性感覚野、第一次視覚野で低下していることがわかった。

  • Research Products

    (35 results)

All 2024 2023

All Journal Article (8 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 8 results,  Open Access: 8 results) Presentation (27 results) (of which Int'l Joint Research: 15 results,  Invited: 3 results)

  • [Journal Article] Editorial: Oligodendrocytes: from their development to function and dysfunction2024

    • Author(s)
      Miyata Shingo、Wake Hiroaki
    • Journal Title

      Frontiers in Cellular Neuroscience

      Volume: 18 Pages: -

    • DOI

      10.3389/fncel.2024.1376931

    • Peer Reviewed / Open Access
  • [Journal Article] Astrocytic NKCC1 inhibits seizures by buffering Cl- and antagonizing neuronal NKCC1 at GABAergic synapses2023

    • Author(s)
      Nguyen Trong Dao、Ishibashi Masaru、Sinha Adya Saran、Watanabe Miho、Kato Daisuke、Horiuchi Hiroshi、Wake Hiroaki、Fukuda Atsuo
    • Journal Title

      Epilepsia

      Volume: 64 Pages: 3389~3403

    • DOI

      10.1111/epi.17784

    • Peer Reviewed / Open Access
  • [Journal Article] Activity-dependent oligodendrocyte calcium dynamics and their changes in Alzheimer’s disease2023

    • Author(s)
      Yoshida Kenji、Kato Daisuke、Sugio Shouta、Takeda Ikuko、Wake Hiroaki
    • Journal Title

      Frontiers in Cellular Neuroscience

      Volume: 17 Pages: -

    • DOI

      10.3389/fncel.2023.1154196

    • Peer Reviewed / Open Access
  • [Journal Article] Regulation of lipid synthesis in myelin modulates neural activity and is required for motor learning2023

    • Author(s)
      4.Kato D, Aoyama Y, Nishida K, Takahashi Y, Sakamoto T, Takeda I, Tatematsu T, Go S, Saito Y, Kunishima S, Cheng J, Hou L, Tachibana Y, Sugio S, Kondo R, Eto F, Sato S, Moorhouse AJ, Yao I, Kadomatsu K, Setou M, Wake H
    • Journal Title

      Glia

      Volume: 71 Pages: 2591~2608

    • DOI

      10.1002/glia.24441

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] KCC2 downregulation after sciatic nerve injury enhances motor function recovery2023

    • Author(s)
      Cheung Dennis Lawrence、Toda Takuya、Narushima Madoka、Eto Kei、Takayama Chitoshi、Ooba Tatsuko、Wake Hiroaki、Moorhouse Andrew John、Nabekura Junichi
    • Journal Title

      Scientific Reports

      Volume: 13 Pages: -

    • DOI

      10.1038/s41598-023-34701-y

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Microglia enable cross-modal plasticity by removing inhibitory synapses2023

    • Author(s)
      Hashimoto Akari、Kawamura Nanami、Tarusawa Etsuko、Takeda Ikuko、Aoyama Yuki、Ohno Nobuhiko、Inoue Mio、Kagamiuchi Mai、Kato Daisuke、Matsumoto Mami、Hasegawa Yoshihiro、Nabekura Junichi、Schaefer Anne、Moorhouse Andrew J.、Yagi Takeshi、Wake Hiroaki
    • Journal Title

      Cell Reports

      Volume: 42 Pages: 112383~112383

    • DOI

      10.1016/j.celrep.2023.112383

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] CD206+ macrophages transventricularly infiltrate the early embryonic cerebral wall to differentiate into microglia2023

    • Author(s)
      Hattori Yuki、Kato Daisuke、Murayama Futoshi、Koike Sota、Asai Hisa、Yamasaki Ayato、Naito Yu、Kawaguchi Ayano、Konishi Hiroyuki、Prinz Marco、Masuda Takahiro、Wake Hiroaki、Miyata Takaki
    • Journal Title

      Cell Reports

      Volume: 42 Pages: 112092~112092

    • DOI

      10.1016/j.celrep.2023.112092

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Myelinated axon as a plastic cable regulating brain functions2023

    • Author(s)
      Sugio Shouta、Kato Daisuke、Wake Hiroaki
    • Journal Title

      Neuroscience Research

      Volume: 187 Pages: 45~51

    • DOI

      10.1016/j.neures.2022.11.002

    • Peer Reviewed / Open Access
  • [Presentation] Alteration in the Blood-Brain Barrier and microglia in a mouse model of Alzheimer’s disease.2024

    • Author(s)
      Lingnan Hou, Jinlei Cheng, Ikuko Takeda, Zhongtian Guo, Wanying Li, Daisuke Kato, Hiroaki Wake
    • Organizer
      第101回 日本生理学会大会
  • [Presentation] 多感覚統合をつかさどる高次視覚野の神経回路基盤2024

    • Author(s)
      Mio Inoue, Yuta Taisumi, Ikuko Takeda, Akari Hashimoto, Nanami Kawamura, Etsuko Tarusawa, Daisuke Kato, Hiroaki Wake
    • Organizer
      第129回日本解剖学会
  • [Presentation] Microglia Mediate Synaptic Loss in the Early Stages of Alzheimer's Disease2024

    • Author(s)
      Zhongtian Guo, Daisuke Kato, Reon Kondo, Ikuko Takeda, Hiroaki Wake
    • Organizer
      第101回 日本生理学会大会
  • [Presentation] Microglia enable cross-modal plasticity by removing inhibitory synapses2023

    • Author(s)
      Akari HASHIMOTO, Nanami KAWAMURA, Etsuko TARUSAWA, Ikuko TAKEDA, Yuki AOYAMA, Nobuhiko OHNO, Mio INOUE, Mai KAGAMIUCHI, Daisuke KATO, Mami MATSUMOTO, Yoshihiro HASEGAWA, Anne SCHAEFER, Junichi NABEKURA, Takeshi YAGI, Hiroaki WAKE
    • Organizer
      50th Naito Conference
    • Int'l Joint Research
  • [Presentation] Cross-modal plasticity after early visual deprivation depends on microglial elimination of inhibitory synapses2023

    • Author(s)
      Akari HASHIMOTO, Nanami KAWAMURA, Etsuko TARUSAWA, Ikuko TAKEDA, Yuki AOYAMA, Nobuhiko OHNO, Mio INOUE, Mai KAGAMIUCHI, Daisuke KATO, Mami MATSUMOTO, Yoshihiro HASEGAWA, Anne SCHAEFER, Junichi NABEKURA, Takeshi YAGI, Hiroaki WAKE
    • Organizer
      Neuroscience2023
  • [Presentation] Holographic microscope illuminates brain activity2023

    • Author(s)
      Daisuke Kato, Xiangyu Quan, Osamu Matoba, Hiroaki Wake
    • Organizer
      BISC2023
    • Int'l Joint Research
  • [Presentation] Microglia in multi-sensory modality2023

    • Author(s)
      Hiroaki Wake, Akari Hashimoto
    • Organizer
      Cold Spring Harbor Asia(Novel Insight into Glia Function & Dysfunction,AWAJI,JAPAN)
    • Int'l Joint Research / Invited
  • [Presentation] Microglia in multi-sensory modality2023

    • Author(s)
      Hiroaki WAKE
    • Organizer
      50th Naito Conference
    • Int'l Joint Research / Invited
  • [Presentation] Physiological Functions of Glial Cell for Brain Functions2023

    • Author(s)
      Hiroaki WAKE
    • Organizer
      The 10th Federation of the Asian and Oceanian Physiological Societies Congress
    • Int'l Joint Research / Invited
  • [Presentation] Astrocyte-mediated neuronal circuit remodeling in higher visual cortex induced by sensory deprivation2023

    • Author(s)
      Ikuko Takeda, Izumo Takei, Yuki Aoyama, Hiroaki Wake
    • Organizer
      CSH Asia, Novel Insights into Glia Function & Dysfunction
    • Int'l Joint Research
  • [Presentation] The role of astrocytes in V2L neuronal remodeling following vision loss2023

    • Author(s)
      Ikuko Takeda, Izumo Takei, Mio Inoue,Mai Kagamiuchi,Akari Hashimoto,Yuki Aoyama, Hiroaki Wake
    • Organizer
      ISN-ESN meeting
    • Int'l Joint Research
  • [Presentation] The role of astrocytes following vision loss2023

    • Author(s)
      Ikuko Takeda, Akari Hashimoto, Izumo Takei, Mio Inoue, Mai Kagamiuchi, Daisuke Kato, Hiroaki Wake
    • Organizer
      50th Naito Conference
    • Int'l Joint Research
  • [Presentation] The role of astrocytes in V2L neuronal remodeling following vision loss2023

    • Author(s)
      Ikuko Takeda, Akari Hashimoto, Izumo Takei, Mio Inoue, Hiroaki Wake
    • Organizer
      Neuroscience2023
    • Int'l Joint Research
  • [Presentation] The function of microglia on multi-sensory integration in the V2L2023

    • Author(s)
      Mai Kagamiuchi, Akari Hashimoto, Mariko Shindo, Ikuko Takeda, Hiroaki Wake
    • Organizer
      第46回日本神経科学学会
  • [Presentation] Neuronal circuit for multisensory integration in higher visual cortex2023

    • Author(s)
      Mio Inoue, Yuta Taisumi, Ikuko Takeda, Akari Hashimoto, Nanami Kawamura, Etsuko Tarusawa, Daisuke Kato, Hiroaki Wake
    • Organizer
      第46回日本神経科学学会
  • [Presentation] Neuronal circuit for multisensory integration in higher visual cortex2023

    • Author(s)
      Mio Inoue, Yuta Taisumi, Ikuko Takeda, Akari Hashimoto, Nanami Kawamura, Etsuko Tarusawa, Daisuke Kato, Hiroaki Wake
    • Organizer
      Neuroscience2023
    • Int'l Joint Research
  • [Presentation] Microglial immune response for brain metastasis associating with annexin A132023

    • Author(s)
      Misuzu Horikoshi, Takahiro Tsuji, Mariko Shindo, Rahadian Yudo Hartantio, Daisuke Kato, Hiroaki Wake
    • Organizer
      第46回日本神経科学学会
  • [Presentation] アネキシンA13が関与する転移性脳腫瘍へのミクログリア免疫応答2023

    • Author(s)
      堀越 水涼、辻 貴宏、進藤 麻理子、Rahadian Y. Hartantyo、加藤 大輔、和氣 弘明,
    • Organizer
      第82回日本癌学会学術総会
  • [Presentation] Contribution of oligodendrocytes impairment to cognitive decline with aging2023

    • Author(s)
      Shiho Kunishima, Daisuke Kato, Jinglei Cheng, Hiroaki Wake
    • Organizer
      Neuroscience2023
    • Int'l Joint Research
  • [Presentation] Myelin lipid synthesis modulates neural activity and is essential for motor learning2023

    • Author(s)
      Y. AOYAMA, D. KATO, K. NISHIDA, Y. TAKAHASHI, T. SAKAMOTO, I. TAKEDA, T. TATEMATSU, S. SUGIO, Y. SAITO, S. KUNISHIMA, J. CHENG, H. LINGNAN, Y. TACHIBANA, S. SUGIO, R. KONDO, F. ETO, S. SATO, A. MOORHOUSE, I. YAO, K. KADOMATSU, M. SETOU, H. WAKE
    • Organizer
      Neuroscience2023
    • Int'l Joint Research
  • [Presentation] Fusion experimental system of mouse sensory learning and multi-photon holographic microscopy2023

    • Author(s)
      Yuta Tanisumi, Syuto Hayashi, Xiangyu Quan, Daisuke Kato, Hiroaki Wake
    • Organizer
      第46回日本神経科学学会
  • [Presentation] Interdisciplinary method to elucidate the interaction between brain microenvironment and cancer cells2023

    • Author(s)
      Takahiro Tsuji; Hiroaki Wake; Mariko Shindo; Rahadian Y. Hartantio; Misuzu Horikoshi; Daisuke Kato; Hiroaki Ozasa; Toyohiro Hirai
    • Organizer
      AACR Annual meeting 2023 in Orlando
    • Int'l Joint Research
  • [Presentation] Heterogeneous microglial response to cancer cells visualized by in vivo imaging model2023

    • Author(s)
      Takahiro TSUJI, Mariko SHINDO, Daisuke KATO, Hiroaki WAKE
    • Organizer
      CSH Asia, Novel Insights into Glia Function & Dysfunction
    • Int'l Joint Research
  • [Presentation] Heterogeneous microglial response to cancer cells visualized by in vivo imaging model2023

    • Author(s)
      Takahiro Tsuji; Mariko Shindo; Rahadian Y. Hartantio; MisuzuHorikoshi; Daisuke Kato; Hiroaki Wake
    • Organizer
      ISN-ESN meeting
    • Int'l Joint Research
  • [Presentation] 多細胞回路動態の計測と操作を目指して2023

    • Author(s)
      和氣弘明
    • Organizer
      第127回日本眼科学会
  • [Presentation] オリゴデンドロサイトの神経回路同期性への寄与2023

    • Author(s)
      和氣 弘明
    • Organizer
      第46回日本神経組織培養研究会
  • [Presentation] 中枢神経系多細胞回路の生理機能およびその計測と操作2023

    • Author(s)
      和氣 弘明
    • Organizer
      第8回日本骨免疫学会ウインタースクール

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Published: 2024-12-25  

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