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Induction of concentric demyelinating lesion in glia-specific connesin conditional deficient mice.

Research Project

Project/Area Number 15K15341
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Neurology
Research InstitutionKyushu University

Principal Investigator

Kira Jun-ichi  九州大学, 医学研究院, 教授 (40183305)

Co-Investigator(Kenkyū-buntansha) 山口 浩雄  九州大学, 大学病院, 講師 (00701830)
渡邉 充  九州大学, 大学病院, 医員 (30748009)
真崎 勝久  九州大学, 医学研究院, 助教 (90612903)
Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords多発性硬化症 / コネキシン / ミクログリア / アストログリア / オリゴデンドログリア / 視神経脊髄炎
Outline of Final Research Achievements

We previously published paper about the relationship between early loss of connexin and the mechanisms of multiple sclerosis. Thus we wanted to analyze how connexin loss affect to the pathology of MS. The animal model of inducible conditional connexins(Cx43 and 47) knockout mice were successfully developed and used for the analysis. We induced EAE on these mice and found significant differences between these cKO mice and WT controls. These data clearly indicated the importance of connexins as new therapeutic targets.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (24 results)

All 2017 2016 2015

All Journal Article (10 results) (of which Peer Reviewed: 10 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (9 results) (of which Int'l Joint Research: 6 results,  Invited: 2 results) Book (5 results)

  • [Journal Article] Th1 cells downregulate connexin 43 gap junctions in astrocytes via microglial activation2016

    • Author(s)
      Watanabe M, Masaki K, Yamasaki R, Kawanokuchi J, Takeuchi H, Matsushita T, Suzumura A, Kira JI.
    • Journal Title

      Scientific Reports

      Volume: 6 Issue: 1 Pages: 38387-38387

    • DOI

      10.1038/srep38387

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Efficacy of intravenous methylprednisolone pulse therapy in patients with multiple sclerosis and neuromyelitis optica.2015

    • Author(s)
      Yamasaki R, et al
    • Journal Title

      Mult Scler

      Volume: in press

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Characterization of IgG4 anti-neurofascin 155 antibody-positive polyneuropathy.2015

    • Author(s)
      Ogata H, et al
    • Journal Title

      Ann Clin Transl Neurol.

      Volume: 2 Issue: 10 Pages: 960-971

    • DOI

      10.1002/acn3.248

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Neuromagnetic evidence for hippocampal modulation of auditory processing.2015

    • Author(s)
      Chatani H, et al
    • Journal Title

      Neuroimage

      Volume: 124 Pages: 256-266

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Japan Multiple Sclerosis Genetics Consortium Copy Number Variations in Multiple Sclerosis and Neuromyelitis Optica.2015

    • Author(s)
      S. Sato, K. Yamamoto, T. Matsushita, N. Isobe, Y. Kawano, K, Iinuma, M. Niino, T. Fukazawa, Y. Nakamura, M. Watanabe, T. Yonekawa, K. Masaki, S. Yoshimura, H. Murai, R. Yamasaki, J. Kira
    • Journal Title

      Annals of Neurology

      Volume: 78 Issue: 5 Pages: 762-774

    • DOI

      10.1002/ana.24511

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Peripheral blood T cell dynamics predict relapse in multiple sclerosis patients on fingolimod2015

    • Author(s)
      Song ZY, Yamasaki R, Kawano Y, Sato S, Masaki K, Yoshimura S, Matsuse D, Murai H,Matsushita T, Kira J
    • Journal Title

      PLoS One

      Volume: 10 Issue: 4 Pages: e0124923-e0124923

    • DOI

      10.1371/journal.pone.0124923

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A nationwide survey of combined central and peripheral demyelination in Japan.2015

    • Author(s)
      Hidenori Ogata
    • Journal Title

      Journal of Neurology, Neurosurgery & Psychiatry

      Volume: 未定 Pages: 29-36

    • DOI

      10.1136/jnnp-2014-309831

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Decreased serum vitamin D levels in Japanese patients with multiple sclerosis.2015

    • Author(s)
      Niino M, Sato S, Fukazawa T, Masaki K, Miyazaki Y, Matsuse D, Yamasaki R, Takahashi E, Kikuchi
    • Journal Title

      Journal of neuroimmunology

      Volume: 279 Pages: 40-45

    • DOI

      10.1016/j.jneuroim.2015.01.007

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Latitude and HLA-DRB1 alleles independently affect the emergence of cerebrospinal fluid IgG abnormality in multiple sclerosis.2015

    • Author(s)
      Niino M, et al
    • Journal Title

      Mult Scler

      Volume: 21 Issue: 9 Pages: 1112-1120

    • DOI

      10.1177/1352458514560924

    • Related Report
      2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Early and Extensive Spinal White Matter Involvement in Neuromyelitis Optica.2015

    • Author(s)
      Hayashida S, et al
    • Journal Title

      Brain Pathol

      Volume: in press Issue: 3 Pages: 249-265

    • DOI

      10.1111/bpa.12386

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] コネキシン30欠損マウスにおける慢性進行期EAEの軽症化2017

    • Author(s)
      山崎 亮
    • Organizer
      平成28年度エビデンス班
    • Place of Presentation
      東京
    • Year and Date
      2017-01-18
    • Related Report
      2016 Annual Research Report
  • [Presentation] Experimental autoimmune encephalomyelitis in mice with induced conditional connexin 43 knock-out (Cx43cKO)2016

    • Author(s)
      宇根 隼人
    • Organizer
      PACTRIMS
    • Place of Presentation
      Thailand
    • Year and Date
      2016-10-27
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Functional analysis of connexin 30 in experimental autoimmune encephalomyelitis2016

    • Author(s)
      山崎 亮
    • Organizer
      ANA annual meeting
    • Place of Presentation
      Baltimore, USA
    • Year and Date
      2016-10-16
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Novel roles of astroglial connexin30 in experimental autoimmune encephalomyelitis2016

    • Author(s)
      Mei Fang
    • Organizer
      神経免疫学会
    • Place of Presentation
      長崎
    • Year and Date
      2016-09-29
    • Related Report
      2016 Annual Research Report
  • [Presentation] Experimental autoimmune encephalomyelitis in mice with induced conditional connexin 43 knock-out (Cx43cKO)2016

    • Author(s)
      宇根 隼人
    • Organizer
      日本神経学会学術大会
    • Place of Presentation
      神戸
    • Year and Date
      2016-05-19
    • Related Report
      2016 Annual Research Report
  • [Presentation] Common and distinct features of immunopathology between MS and NMO2015

    • Author(s)
      Masaki K
    • Organizer
      PACTRIMS 2015
    • Place of Presentation
      Seol, Korea
    • Year and Date
      2015-11-19
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Extensive loss of astrocytic monocarboxylate transporter 4 in active lesions of multiple sclerosis and neuromyelitis optica2015

    • Author(s)
      Masaki K, et al
    • Organizer
      ECTRIMS 2015
    • Place of Presentation
      Barcelona, Spain
    • Year and Date
      2015-10-07
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Autoimmunity targeting axo-glial interface2015

    • Author(s)
      Kira J
    • Organizer
      APSNI2015
    • Place of Presentation
      Tokyo
    • Year and Date
      2015-08-30
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] A combined neuroimaging and neuropathological study for longitudinally extensive spinal cord lesions in neuromyelitis optica2015

    • Author(s)
      Hayashida S, et al
    • Organizer
      AAN 2015
    • Place of Presentation
      Washington, USA
    • Year and Date
      2015-04-18
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Book] 免疫性神経疾患 病態と治療のすべて2015

    • Author(s)
      吉良潤一
    • Total Pages
      551
    • Publisher
      中山書店
    • Related Report
      2015 Research-status Report
  • [Book] 免疫性神経疾患 病態と治療のすべて2015

    • Author(s)
      真崎勝久
    • Total Pages
      551
    • Publisher
      中山書店
    • Related Report
      2015 Research-status Report
  • [Book] 免疫性神経疾患 基礎・臨床研究の最新知見2015

    • Author(s)
      吉良潤一
    • Total Pages
      883
    • Publisher
      日本臨床社
    • Related Report
      2015 Research-status Report
  • [Book] 免疫性神経疾患 基礎・臨床研究の最新知見2015

    • Author(s)
      真崎勝久
    • Total Pages
      883
    • Publisher
      日本臨床社
    • Related Report
      2015 Research-status Report
  • [Book] 免疫症候群(第2版)Ⅰ2015

    • Author(s)
      真崎勝久
    • Total Pages
      931
    • Publisher
      日本臨床社
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2018-03-22  

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