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Change of intestinal microflora due to reduce of gastric acid secretion

Research Project

Project/Area Number 19590734
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Gastroenterology
Research InstitutionWakayama Medical University

Principal Investigator

OKA Masashi (2008)  Wakayama Medical University, 医学部, 准教授 (40334396)

有井 研司 (2007)  Wakayama Medical University, 医学部, 講師 (60285400)

Co-Investigator(Kenkyū-buntansha) OKA Masashi  和歌山県立医科大学, 医学部, 准教授 (40334396)
ICHINOSE Masao  和歌山県立医科大学, 医学部, 教授 (50143425)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords消化器楽(食道、胃、小腸、大腸) / 腸内細菌叢 / 胃酸分泌 / 血清ペプシノゲン法 / プロトンポンプ阻害薬 / H2ブロッカー / 胃酸分泌低下 / 萎縮性胃炎
Research Abstract

1)ラット胃酸分泌抑制モデルにおいて、腸内細菌叢を12種の菌種および菌群について糞便の細菌特異的primerによるPCRを行うことで腸内細菌数の半定量化を行い、胃酸分泌抑制ラットで有意に菌数の増加を認めた。2)インフォームド・コンセントを得た被験者の糞便において、1)と同様の菌種・菌群のPCR解析を行った。胃酸減少を伴った被験者において、有意な菌数増加を認めた。多くの菌種・菌群について、胃酸分泌低下により腸内細菌の増加をもたらすことを証明したと考えられる。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (25 results)

All 2009 2007

All Journal Article (6 results) (of which Peer Reviewed: 5 results) Presentation (16 results) Book (3 results)

  • [Journal Article] Gastric acid reduction leads to an alteration in lower intestinal microflora2009

    • Author(s)
      Kanno T, Oka M, Ichinose M et.al.
    • Journal Title

      Biochemical and Biophysical Research Communication 381

      Pages: 666-670

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Gastric acid reduction leads to an alteration in lower intestinal microflora2009

    • Author(s)
      Kanno T, Oka M, Ichinose M, et al.
    • Journal Title

      Biochemical and Biophysical Research Communication 381

      Pages: 666-670

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 職場においてHelicobacter pylori検診はどのようにおこなわれるか?2007

    • Author(s)
      向林 知津
    • Journal Title

      Helicobacter Research 11(6)

      Pages: 548-552

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Lack of association between CpG island methylator phenotype in human gastric cancers and methylation in their background non-cancerous gastric mucosae2007

    • Author(s)
      Enomoto S
    • Journal Title

      Cancer Sci 98

      Pages: 1853-1861

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Serum Pepsinogen and Gastric Cancer Screening2007

    • Author(s)
      Mukoubayashi C
    • Journal Title

      Internal Medicine 46

      Pages: 261-266

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 鎮静剤使用下、上部消化管の通常及び経鼻内視鏡検査の呼吸循環器系に対する影響に関するProspective study2007

    • Author(s)
      中田 博也
    • Journal Title

      Gastroenterological Endoscopy 49

      Pages: 2684-2689

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Gastric cancer screening using serum tests:Japanese experience for the 20 years2007

    • Author(s)
      一瀬 雅夫
    • Organizer
      The XIX S.I.C.and Gastric Adenocarcinoma Colloquy
    • Place of Presentation
      Porto
    • Year and Date
      2007-11-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] EFFECT OF REBAMIPIDE ON INDUCTION OF DENDRITIC CELLS IN RATSTOMACH MUCOSA DURING THE COURSE OF CARCINOGENESIS BY N-METHYL-N'-NITRO-N-NITROSOGUANIDINE(MNNG)2007

    • Author(s)
      Oka M
    • Organizer
      United European Gastroenterological Week
    • Place of Presentation
      Paris
    • Year and Date
      2007-10-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] SOME HYPERPLASTIC GASTRITIS PATIENTS SIMULTANEOUSLY EXHIBIT ATROPHY AND ARE AT HIGH-RISK FOR GASTRIC CANCER2007

    • Author(s)
      Oka M
    • Organizer
      United European Gastroenterological Week
    • Place of Presentation
      Paris
    • Year and Date
      2007-10-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] DETECTION RATES OF GASTRIC CANCER FROM A IN CANCER SCREENING BASED ON ITS MACROSCOPIC CLASSIFICATION AND PEPSINOGEN LEVELS2007

    • Author(s)
      Oka M
    • Organizer
      United European Gastroenterological Week
    • Place of Presentation
      Paris
    • Year and Date
      2007-10-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] パネルディスカッション 胃癌検診と併用した大腸癌検診の効率的な運用について2007

    • Author(s)
      井上 泉
    • Organizer
      JDDW2007(第74回日本消化器内視鏡学会総会)
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-20
    • Related Report
      2007 Annual Research Report
  • [Presentation] High-risk strategy for gastric cancer2007

    • Author(s)
      一瀬 雅夫
    • Organizer
      Asian Pacific Digestive Week 2007
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] Diminished inhibitory effect of Helicobacter pylori eradication in pepsinogen test-positive subjects.66th Annual Meeting of the Japanese Cancer Association2007

    • Author(s)
      Yanaoka K
    • Organizer
      第66回日本癌学会総会
    • Place of Presentation
      横浜
    • Year and Date
      2007-10-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Prediction of gastric cancer development based on serum pepsinogen and anti-Helicobacter pylori antibody levels2007

    • Author(s)
      Iguchi M
    • Organizer
      第66回日本癌学会総会
    • Place of Presentation
      横浜
    • Year and Date
      2007-10-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Gastric cancer screening using serum tests-present status and future prospect2007

    • Author(s)
      一瀬 雅夫
    • Organizer
      日中消化器内視鏡・消化器病学術交流会第5回大会
    • Place of Presentation
      中国雲南省昆明
    • Year and Date
      2007-09-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] 胃癌発生リスクの予測における血清ペプシノゲンの意義と胃癌スクリーニング検査における役割2007

    • Author(s)
      柳岡 公彦
    • Organizer
      第46回日本消化器がん検診学会総会附置研究会
    • Place of Presentation
      京都
    • Year and Date
      2007-06-02
    • Related Report
      2007 Annual Research Report
  • [Presentation] Can Eradication of Helicobacter pylori inhibit the Development of Gastric Cancer?Observation based on a 10-year follow-up for the development of gastric cancer in subjects with Helicobaeter pylori infection2007

    • Author(s)
      Yanaoka K
    • Organizer
      Digestive Disease Week
    • Place of Presentation
      Washington DC U.S.A
    • Year and Date
      2007-05-20
    • Related Report
      2007 Annual Research Report
  • [Presentation] The prognosis of patients with advanced gastric cancer is correlated with the index derived by multiplying the Ratio of CD8/CD4 expressions on CD57αβT cells and the proportion of CD4αβT cells present in the circulating peripheral blood2007

    • Author(s)
      Magari H
    • Organizer
      Digestive Disease Week
    • Place of Presentation
      Washington DC U.S.A
    • Year and Date
      2007-05-20
    • Related Report
      2007 Annual Research Report
  • [Presentation] RUTを用いた胃炎の診断2007

    • Author(s)
      岡 政志
    • Organizer
      第73回日本消化器内視鏡学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-05-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] シンポジウム大腸腫瘍における血清ペプシノゲン値の検討2007

    • Author(s)
      有井 研司
    • Organizer
      第73回日本消化器内視鏡学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-05-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] ビデオワークショップ 2大腸内視鏡の基本-挿入から治療まで-軸保持短縮法に改良透明フードを使用した大腸内視鏡挿入法2007

    • Author(s)
      岡 政志
    • Organizer
      第73回日本消化器内視鏡学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-05-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] ワークショップ 胃癌検診と組み合わせたスクリーニングコロノスコピーの効率的な運用2007

    • Author(s)
      井上 泉
    • Organizer
      第73回日本消化器内視鏡学会総会
    • Place of Presentation
      東京
    • Year and Date
      2007-05-09
    • Related Report
      2007 Annual Research Report
  • [Book] 第2章上部内視鏡検査「局所解剖・機器の取り扱いと準備・前処置・適応と禁忌」消化器内視鏡ゴールデンハンドブック2007

    • Author(s)
      有井 研司
    • Publisher
      南江堂
    • Related Report
      2007 Annual Research Report
  • [Book] 第7章治療内視鏡止血消化器内視鏡ゴールデンハンドブック2007

    • Author(s)
      有井 研司
    • Publisher
      南江堂
    • Related Report
      2007 Annual Research Report
  • [Book] 消化性潰瘍維持療法消化器疾患最新の治療2007-20082007

    • Author(s)
      岡 政志
    • Publisher
      南江堂
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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