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腸管上皮細胞における自然免疫応答スパイラル機構解析

Publicly Offered Research

Project AreaConversion of tumor-regulation vector to intercept oncogenic spiral accelerated by infection and inflammation
Project/Area Number 25114703
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionTokyo Medical and Dental University

Principal Investigator

土屋 輝一郎  東京医科歯科大学, 医歯(薬)学総合研究科, 寄附講座准教授 (40376786)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
Fiscal Year 2014: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2013: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Keywords長期自然免疫応答モデル / Atoh1 / 大腸初代培養 / シグナルスパイラル / 酸化ストレス
Outline of Annual Research Achievements

本邦では潰瘍性大腸炎患者が急増しており、それに伴う発癌患者の増大が懸念されている。炎症発癌の特徴は粘液産生癌が多いことであるが、我々は腸管上皮分化制御因子であるAtoh1の蛋白安定性が粘液産生のみならず、癌幹細胞形質・悪性形質獲得に必須であることを証明した。さらにAtoh1蛋白安定性はTNFαなどNFkBシグナルが関与することを見いだし、持続炎症状態における上皮細胞変化が発癌形質に影響すると考えた。そこで我々は世界で初めてマウス大腸上皮幹細胞の初代培養系を確立し、初代培養細胞における持続炎症刺激モデルを構築した。TNFα, Flagellinの刺激にて一過性のIL-8上昇を認めるが、4週間持続刺激によりIL-8の再上昇を認めたことから自然免疫応答がスパイラル状態にあることを発見した。そこで、本研究では初代培養における応答スパイラル機構を解明し、潰瘍性大腸炎の大腸上皮初代培養細胞によるスパイラル状態評価法を構築することで、免疫応答スパイラルの予防もしくはリセットを行い、炎症発癌の発症を抑制することを目的とする。本年度はマウス大腸初代培養細胞における長期自然免疫応答システムの解析を行い、NFkBシグナル亢進、非可逆性の酸化ストレス状態であることを明らかとした。さらに倫理審査委員会承認のもとヒト小腸・大腸上皮細胞の初代培養系も確立し、炎症性腸疾患患者からの初代培養も開始しておりヒト解析を遂行する環境を整えた。

Research Progress Status

26年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

26年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2014 Annual Research Report
  • 2013 Annual Research Report
  • Research Products

    (25 results)

All 2015 2014 2013

All Journal Article (11 results) (of which Peer Reviewed: 9 results,  Open Access: 5 results,  Acknowledgement Compliant: 1 results) Presentation (14 results) (of which Invited: 6 results)

  • [Journal Article] Suppressing TGFβ signaling in regenerating epithelia in an inflammatory microenvironment is sufficient to cause invasive intestinal cancer.2015

    • Author(s)
      Oshima H, Nakayama M, Han TS, Naoi K, Ju X, Maeda Y, Robine S, Tsuchiya K, Sato T, Sato H, Taketo MM, Oshima M.
    • Journal Title

      Cancer Res.

      Volume: 75 Issue: 4 Pages: 766-776

    • DOI

      10.1158/0008-5472.can-14-2036

    • NAID

      120005593962

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Associations of HLA class I alleles in Japanese patients with Crohn's disease.2015

    • Author(s)
      102)Oryoji D, Hisamatsu T, Tsuchiya K, Umeno J, Ueda S, Yamamoto K, Matsumoto T, Watanabe M, Hibi T, Sasazuki T.
    • Journal Title

      Genes Immun.

      Volume: 16 Issue: 1 Pages: 54-56

    • DOI

      10.1038/gene.2014.61

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Fluorescent labelling of intestinal epithelial cells reveals independent long-lived intestinal stem cells in a crypt.2014

    • Author(s)
      N. Horita, K. Tsuchiya, R. Hayashi, K. Fukushima, S. Hibiya, M. Fukuda, Y. Kano, T. Mizutani, Y. Nemoto, S. Yui, R. Okamoto, T. Nakamura, M. Watanabe
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 454 Issue: 4 Pages: 493-499

    • DOI

      10.1016/j.bbrc.2014.10.091

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] RIPK3 regulates p62-LC3 complex formation via the caspase-8-dependent cleavage of p62.2014

    • Author(s)
      Y. Matsuzawa , S. Oshima, Y. Nibe, M.Kobayashi, C. Maeyashiki, Y. Nemoto, T. Nagaishi, R. Okamoto R, K. Tsuchiya, T. Nakamura, M. Watanabe.
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 456(1) Issue: 1 Pages: 298-304

    • DOI

      10.1016/j.bbrc.2014.11.075

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Distinct expression patterns of Notch ligands, Dll1 and Dll4, in normal and inflamed mice intestine.2014

    • Author(s)
      Shimizu H, Okamoto R, Ito G, Nakata T, Suzuki K, Murano T, Mizutani T, Tsuchiya K, Nakamura T, Hozumi K, Watanabe M.
    • Journal Title

      PeerJ

      Volume: 2 Pages: e370-e370

    • DOI

      10.7717/peerj.370

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Hes1 promotes the IL-22-mediated antimicrobial response by enhancing STAT3-dependent transcription in human intestinal epithelial cells2014

    • Author(s)
      Murano T, Okamoto R, Ito G, Nakata T, Hibiya S, Shimizu H, Fujii S, Kano Y, Mizutani T, Yui S, Akiyama-Morio J, Nemoto Y, Tsuchiya K, Nakamura T, Watanabe M
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 443 Issue: 3 Pages: 840-846

    • DOI

      10.1016/j.bbrc.2013.12.061

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Lineage-specific expression of Bestrophin-2 and Bestrophin-4 in human intestinal epithelial cells.2013

    • Author(s)
      Ito G, Okamoto R, Nakamura T, Watanabe M et al
    • Journal Title

      PloS One.

      Volume: 8 Issue: 11 Pages: e79693-e79693

    • DOI

      10.1371/journal.pone.0079693

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] IL-7 promotes long-term in vitro survival of unique long-lived memory subset generated from mucosal effector memory CD4+ T cells in chronic colitis mice.2013

    • Author(s)
      Takahara M, Nemoto Y, Oshima S, Matsuzawa Y, Kanai T, Okamoto R, Tsuchiya K, Nakamura T, Yamamoto K, Watanabe M.
    • Journal Title

      Immunol Lett.

      Volume: 156 Issue: 1-2 Pages: 82-93

    • DOI

      10.1016/j.imlet.2013.09.001

    • NAID

      120005468269

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Th1/Th17-Mediated Interstitial Pneumonia in Chronic Colitis Mice Independent of Intestinal Microbiota.2013

    • Author(s)
      Nemoto Y, Watanabe M et al
    • Journal Title

      J Immunol.

      Volume: 190 Issue: 12 Pages: 6616-6625

    • DOI

      10.4049/jimmunol.1202930

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 【特集:機能性消化管障害(FGID):診断と治療の進歩】I. FGIDの基本的知識 4. 感染症や腸内細菌の意義(免疫学的異常について)2013

    • Author(s)
      土屋輝一郎
    • Journal Title

      日本内科学会雑誌

      Volume: 102 Pages: 25-31

    • Related Report
      2013 Annual Research Report
  • [Journal Article] 消化管幹細胞と消化器がん幹細胞2013

    • Author(s)
      土屋輝一郎
    • Journal Title

      日本内科学会雑誌

      Volume: 102 Pages: 2273-2278

    • NAID

      10031202663

    • Related Report
      2013 Annual Research Report
  • [Presentation] The Acquisition of Cancer Stemness by Atoh1 in Colitis Associated Cancer2015

    • Author(s)
      Kiichiro Tsuchiya, Keita Fukushima, Mamoru Watanabe
    • Organizer
      8th Annual World Congress of Regenerative Medicine & Stem Cells
    • Place of Presentation
      釜山(韓国)
    • Year and Date
      2015-03-21
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Innate immune spiral of intestinal epithelial cells by the long-term inflammation.2014

    • Author(s)
      Tsuchiya K, Hibiya S, Watanabe M:
    • Organizer
      The 73rd Annual Meeting of the Japanese Cancer Association
    • Place of Presentation
      パシフィコ横浜(横浜)
    • Year and Date
      2014-09-25
    • Related Report
      2014 Annual Research Report
  • [Presentation] Molecular mechanism in the pathogenesis of the colitis-associated colorectal cancer.2014

    • Author(s)
      Tsuchiya K
    • Organizer
      The 32th Annual Meeting of Japanese Society for Cytoprotection & Cytobiology
    • Place of Presentation
      Kyoto, Japan
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] Live imaging of single cell reveals single stem cell dynamics in an organoid derived from murine small intestine2013

    • Author(s)
      Horita N, Tsuchiya K, Hibiya S, Fukushima K, Kano Y, Xiu Zheng, Okamoto R, Nakamura T , Watanabe M
    • Organizer
      DDW2013
    • Place of Presentation
      Orland, USA
    • Related Report
      2013 Annual Research Report
  • [Presentation] Stabilization of Atoh1 protein by TNF-α in colitic cancer might acquire the cancer stemness.DDW20132013

    • Author(s)
      Tsuchiya K, Fukushima K, Kano Y, Hibiya S, Horita N, Xiu Zheng, Okamoto R,Nakamura T, Watanabe M
    • Organizer
      DDW2013
    • Place of Presentation
      Orland, USA
    • Related Report
      2013 Annual Research Report
  • [Presentation] Atoh1 protein stabilization acquired cancer stem cell phenotype and niche in colon cancer2013

    • Author(s)
      Kano Y, Tsuchiya K, Okamoto R, Nakamura T: Watanabe M
    • Organizer
      GI Research Academy
    • Place of Presentation
      Kyoto, Japan
    • Related Report
      2013 Annual Research Report
  • [Presentation] Atoh1proteinstabilizationacquiredcancerstemcell phenotype and niche in colon cancer2013

    • Author(s)
      Kano Y, Tsuchiya K, Watanabe M
    • Organizer
      第72回日本癌学会学術集会
    • Place of Presentation
      横浜、パシフィコ横浜
    • Related Report
      2013 Annual Research Report
  • [Presentation] Cancer Stemness In Mucinous Colon Cancer.2013

    • Author(s)
      Tsuchiya K, Kano Y, Watanabe M
    • Organizer
      BIT's 6th Annual World Congress of Regenerative Medicine & Stem Cells-2013.
    • Place of Presentation
      大連、中国
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] 消化管幹細胞と消化器癌幹細胞2013

    • Author(s)
      土屋輝一郎
    • Organizer
      第110回 日本内科学会講演会
    • Place of Presentation
      東京、東京国際フォーラム
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] 全小腸マッピング生検検体を用いた網羅的遺伝子発現解析によるクローン病特異的遺伝子の同定2013

    • Author(s)
      堀田伸勝、土屋輝一郎、渡辺 守
    • Organizer
      第85回 日本消化器内視鏡学会総会
    • Place of Presentation
      京都、京都国際会館
    • Related Report
      2013 Annual Research Report
  • [Presentation] 炎症関連大腸がんにおける悪性形質獲得機構解析2013

    • Author(s)
      土屋輝一郎
    • Organizer
      がん研究分野の特性等を踏まえた支援活動 公開シンポジウム.
    • Place of Presentation
      東京
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] Atoh1発現大腸癌における幹細胞形質獲得とニッチ形成2013

    • Author(s)
      加納嘉人、土屋輝一郎、渡辺 守
    • Organizer
      JDDW2013
    • Place of Presentation
      東京
    • Related Report
      2013 Annual Research Report
  • [Presentation] 白血球除去療法(LCAP)による潰瘍性大腸炎の治療戦略2013

    • Author(s)
      土屋輝一郎
    • Organizer
      JDDW2013
    • Place of Presentation
      東京
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] 全小腸マッピング生検によるクローン病病態解析2013

    • Author(s)
      土屋輝一郎、堀田伸勝、林 亮平、日比谷秀爾、福島啓太、加納嘉人、渡辺 守
    • Organizer
      第51回 小腸研究会
    • Place of Presentation
      名古屋、名古屋国際会議場
    • Related Report
      2013 Annual Research Report

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Published: 2013-05-15   Modified: 2019-07-29  

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