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2011 Fiscal Year Final Research Report

Function of claudins in Aire-expressing medullary thymic epithelial cells

Research Project

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Project/Area Number 22790458
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Immunology
Research InstitutionKyoto University

Principal Investigator

HAMAZAKI Yoko  京都大学, 医学研究科, 准教授 (10362477)

Project Period (FY) 2010 – 2011
KeywordsT細胞分化 / 胸腺 / 自己免疫疾患 / 胸腺上皮細胞 / クローディン / Aire
Research Abstract

To investigate the function of claudin (Cld)-3, 4 in thymic epithelial cells, we first madesingle KO mice for each gene. There was no obvious defect in each single KO mice; thus we next tried to make double KO mice. Since the distance of each gene on genome is only 40Kbp, we made a strategy in which Cld3 Tg vector was introduced into Cld4KO ES cells. We have succeded in making double KO mice and now are analyzing the phenotypes on thymic organogenesis and T cell development.

  • Research Products

    (19 results)

All 2012 2011 2010 2009

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (14 results) Book (1 results)

  • [Journal Article] Claudin-4 deficiency results in urothelial hyperplasia and lethal hydronephrosis2012

    • Author(s)
      Fujita H, Hamazaki Y, Noda Y, Oshima M, and Minato N
    • Journal Title

      PLOS ONE

      Volume: 7(12) Pages: e52272

    • DOI

      Doi:10.1371/journal.pone.0052272

    • Peer Reviewed
  • [Journal Article] *Both authors contributed equally to this work.Claudin-4 induction by E protein activity in later stages of CD4/8 double-positive thymocytes to increase positive selection efficiency.2011

    • Author(s)
      Kawai Y*, Hamazaki Y*, Fujita H, Fujita A, Sato T, Furuse M, Fujimoto T, Jetten AM, Agata Y and Minato N
    • Journal Title

      Proc Natl Acad Sci USA

      Volume: 108(10) Pages: 4075-80

    • DOI

      DOI:10.1073/pnas.1014178108

    • Peer Reviewed
  • [Journal Article] SPA-1 controls the invasion and metastasis of human prostate cancer2011

    • Author(s)
      Shimizu Y, Hamazaki Y, Hattori M, Doi K, Terada N, Kobayashi T, Toda Y, Yamasaki T, Inoue TA, Kajita Y, Maeno A, Kamba T, Mikami Y, Kamoto T, Yamada T, Kanno T, Yoshikawa K, Ogawa O, Minato N, Nakamura E
    • Journal Title

      Cancer Sci.

      Volume: 102(4) Pages: 828-36

    • DOI

      DOI:10.1111/j.1349-7006.2011.01876.x

    • Peer Reviewed
  • [Journal Article] Increased c-Myc activity and DNA damage in hematopoietic progenitors precede myeloproliferative disease in Spa-1-deficiency2011

    • Author(s)
      Tanaka H, Tamura A, Sekai M, Hamazaki Y, Minato N
    • Journal Title

      Cancer Sci.

      Volume: 102(4) Pages: 784-91

    • DOI

      DOI:10.1111/j.1349-7006.2011.01850.x

    • Peer Reviewed
  • [Presentation] Claudin-4 deficiency results in urothelial hyperplasia and lethal hydronephrosis2012

    • Author(s)
      藤田春美、〓崎洋子、野田裕美、大島正伸、湊長博
    • Organizer
      第35回日本分子生物学会総会
    • Place of Presentation
      マリンメッセ福岡 (福岡県)ショートトーク・ポスター発表
    • Year and Date
      2012-12-11
  • [Presentation] Identification of thymic epithelial stem cells ensuring lifelong central T-cell tolerance2012

    • Author(s)
      Miho Sekai, Yoko Hamazaki, Nagahiro Minato
    • Organizer
      第41回日本免疫学会総会
    • Place of Presentation
      神戸国際会議場(兵庫県) 口頭発表
    • Year and Date
      2012-12-05
  • [Presentation] Claudin-5 is a Crucial Component of Blood-thymus Barrier by Regulating Vascular Permeability2012

    • Author(s)
      Takahiro Nagatake, Yan-Chun Zhao, Yoko Hamazaki and Nagahiro Minato
    • Organizer
      第41回日本免疫学会総会
    • Place of Presentation
      神戸国際会議場(兵庫県) 口頭発表
    • Year and Date
      2012-12-05
  • [Presentation] Claudin-5 plays a role in establishing specific thymic microenvironment by regulating vascular permeability.2012

    • Author(s)
      Takahiro Nagatake, Yan-Chun Zhao, Nagahiro Minato and Yoko Hamazaki
    • Organizer
      ThymUS international conference 2012
    • Place of Presentation
      Trump International Beach Resort、マイアミ(アメリカ)
    • Year and Date
      2012-11-05
  • [Presentation] A novel CD4+T cell population preferentially producing osteopontin steers altered immune function in senescence and malignancy2011

    • Author(s)
      Kyosuke Sato, Suhail Tahir, Yuji Fukushima, Yasuhiro Nakashima, Yoko Hamazaki and Nagahiro Minato
    • Organizer
      第40回日本免疫学会総会
    • Place of Presentation
      幕張メッセ(千葉) 口頭発表
    • Year and Date
      2011-11-29
  • [Presentation] Fetal claudin-3,4 positive mTEC progenitors have the long-term reconstitution capacity of functional thymic medulla2011

    • Author(s)
      Miho Sekai, Yoko Hamazaki and Nagahiro Minato
    • Organizer
      第40回日本免疫学会総会
    • Place of Presentation
      幕張メッセ(千葉) 口頭発表
    • Year and Date
      2011-11-28
  • [Presentation] Claudin-4 induction by E-protein activity in thymic lymphocytes and its role in the TCR-mediated signaling2011

    • Author(s)
      Harumi Fujita, Yohei Kawai, Akikazu Fujita, Toyoshi Fujimoto, Mikio Furuse, Yasutoshi Agata, Nagahiro Minato and Yoko Hamazaki
    • Organizer
      北海道大学札幌(北海道) 口頭発表
    • Place of Presentation
      第63回日本細胞生物学会大会
    • Year and Date
      2011-06-29
  • [Presentation] A novel CD4+T cell population preferentially producing osteopontin steers altered immune function in senescence and malignancy2011

    • Author(s)
      Suhail Tahir, Kyosuke Sato, Yasuhiro Nakashima, Yoko Hamazaki and Nagahiro Minato
    • Organizer
      第10回オステオポンチン研究会
    • Place of Presentation
      北海道大学 札幌 (北海道)口頭発表
    • Year and Date
      2011-06-19
  • [Presentation] クローディン4はEタンパク質の活性によって後期DP細胞で発現誘導され、ポジティブセレクションの効率化に寄与する2011

    • Author(s)
      河合洋平、濱崎洋子、藤田春美、縣保年、湊長博
    • Organizer
      第21回 Kyoto T cell conference
    • Place of Presentation
      京都平安ホテル 口頭発表
    • Year and Date
      2011-06-10
  • [Presentation] The claudin-3,4 positive mTEC progenitors maintain the potential to generate Aire expressing mTECs over fetal stage2010

    • Author(s)
      Miho Sekai, Yoko Hamazaki,Nagahiro Minato
    • Organizer
      European Congress of Immunology Liverpool
    • Place of Presentation
      UK ポスター発表
    • Year and Date
      20101206-10
  • [Presentation] Tight junction-independent expression of claudin-4 in thymic lymphocytes and its role in TCR-signaling2010

    • Author(s)
      Yoko Hamazaki1, Yohei Kawai, Harumi Fujita, Akikazu Fujita, Toyoshi Fujimoto and Nagahiro Minato
    • Organizer
      第62回日本細胞生物学会総会
    • Place of Presentation
      大阪 口頭発表*若手最優秀発表賞
    • Year and Date
      2010-05-18
  • [Presentation] Claudin-4 expression in thymocytes and its role in T-cell development2010

    • Author(s)
      Yoko Hamazaki, Harumi Fujita, Yohei Kawai and Nagahiro Minato
    • Organizer
      An International workshop on T lymphocytes
    • Place of Presentation
      ThymOZ オーストラリア 口頭発表
    • Year and Date
      2010-03-20
  • [Presentation] Claudin expression in thymocytes; Implication in T cell development2009

    • Author(s)
      Yoko Hamazaki, Yohei Kawai, Harumi Fujita, Miho Sekai, and Nagahiro Minato
    • Organizer
      The International Workshop on Kyoto T cell Conference
    • Place of Presentation
      京都 ポスター発表
    • Year and Date
      20090601-04
  • [Presentation] Claudin expression in Thymocytes: Implication in T cell Development2009

    • Author(s)
      Yohei Kawai, Yoko Hamazaki, Harumi Fujita and Nagahiro Minato
    • Organizer
      日本免疫学会
    • Place of Presentation
      大阪 口頭発表
    • Year and Date
      2009-12-02
  • [Book] エッセンシャル免疫学 (第2版)2010

    • Author(s)
      監修 笹月健彦
    • Publisher
      南江堂

URL: 

Published: 2014-08-29  

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