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2008 Fiscal Year Final Research Report

Disruption of gastric barrier function by luminal nitrosative stress : A potential chemical insult to human gastro-oesophageal junction

Research Project

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Project/Area Number 19590710
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Gastroenterology
Research InstitutionTohoku University

Principal Investigator

IIJIMA Katsunori  Tohoku University, 病院, 助教 (60375003)

Project Period (FY) 2007 – 2008
Keywords消化器内科学
Research Abstract

食道・胃接合部で発生する癌は、欧米を中心に急速に増加しており、食生活の欧米化などに伴い、今後、本邦でもその増加が危惧されている。私は、これまでヒトの食道・胃接合部で限局性に発生する一酸化窒素(NO)が同部の炎症・発がんと関連しているという仮説をたて研究を進めてきた。今回のラットの動物モデルを用いた研究で、NOが食道・胃接合部の粘膜表面に傷害を及ぼすことを明らかにされ、今後、発がんとの関連に関しての検討が期待される。

  • Research Products

    (10 results)

All 2008 2007

All Journal Article (7 results) (of which Peer Reviewed: 5 results) Presentation (3 results)

  • [Journal Article] al. Disruption of gastric barrier function by luminal nitrosative stress : a potential chemical insult to the human gastro-oesophageal junction2008

    • Author(s)
      Ara N, Iijima K, Asanuma K, et.al.
    • Journal Title

      Gut 57(3)

      Pages: 306-313

    • Peer Reviewed
  • [Journal Article] Long-term outcomes of gastric mucosa-associated lymphoid tissue lymphomas after Helicobacter pylori eradication therapy2008

    • Author(s)
      Terai S, Iijima K, Kato K, et.al.
    • Journal Title

      Tohoku J Exp Med 214(1)

      Pages: 79-87

    • Peer Reviewed
  • [Journal Article] Fe-S cluster proteins are intracellular targets for nitric oxide generated luminally at the gastro-oesophageal junction2007

    • Author(s)
      Asanuma K, Iijima K, Ara N, et.al.
    • Journal Title

      Nitric Oxide 16(4)

      Pages: 395-402

    • Peer Reviewed
  • [Journal Article] Extensive gastric atrophy : an increased risk factor for superficial esophageal squamous-cell carcinoma in Japan2007

    • Author(s)
      Iijima K, Koike T, Abe Y, et.al.
    • Journal Title

      Am J Gastroenterol 102(8)

      Pages: 1603-1609

    • Peer Reviewed
  • [Journal Article] Fat transforms ascorbic acid from inhibiting to promoting acid-catalysed N-nitrosation2007

    • Author(s)
      Combet E, Paterson S, Iijima K, et.al.
    • Journal Title

      Gut 56(12)

      Pages: 1678-1684

    • Peer Reviewed
  • [Journal Article] 今月のテーマ : 食道・胃接合部における一酸化窒素(NO)の発生2007

    • Author(s)
      飯島克則、浅沼清孝、大原秀一、下瀬川徹
    • Journal Title

      日消誌2007 104

      Pages: 17-22

  • [Journal Article] 硝酸塩と胃酸分泌 : 噴門部癌、非噴門部胃癌との関連2007

    • Author(s)
      飯島克則、浅沼清孝、小池智幸、ほか
    • Journal Title

      Helicobacter Research 11

      Pages: 335-339

  • [Presentation] ラット逆流性食道炎モデルにおける外因性一酸化窒素食道暴露による影響2008

    • Author(s)
      飯島克則、他
    • Organizer
      第8回日本NO学会学術集会
    • Place of Presentation
      仙台
    • Year and Date
      2008-05-09
  • [Presentation] 食道・胃接合部と一酸化窒素2007

    • Author(s)
      飯島克則
    • Organizer
      第7回日本NO学会学術集会
    • Place of Presentation
      大津
    • Year and Date
      2007-05-17
  • [Presentation] 食道・胃接合部で発生したNOによる周囲組織tight junctionの傷害2007

    • Author(s)
      荒誠之、飯島克則、ほか
    • Organizer
      第7回日本NO学会学術集会
    • Place of Presentation
      大津
    • Year and Date
      2007-05-17

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Published: 2010-06-10   Modified: 2016-04-21  

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