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Gastric carcinogenesis by autophagy impairment via Helicobacter pylori infection

Research Project

Project/Area Number 15K19317
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Gastroenterology
Research InstitutionUniversity of Toyama

Principal Investigator

Nanjo Sohachi  富山大学, 大学院医学薬学研究部(医学), 助教 (70649285)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords胃がん / オートファジー / DNAメチル化 / Helicobacter pylori / 胃癌
Outline of Final Research Achievements

This study showed the followings; 1) MAP1LC3A gene is regulated by DNA methylation of its promoter region, 2) The DNA methylation is induced by Helicobacter pylori infection in the stomach, 3) Knock-down of map1lc3a gene increases cell proliferation, migration and invasion. Therefore, Methylation silencing of MAP1LC3Av1 is induced by H. pylori infection, and may impair autophagy, facilitating gastric carcinogenesis.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (5 results)

All 2017 2015

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (4 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Autophagy impairment by Helicobacter pylori-induced methylation silencing of MAP1LC3Av1 promotes gastric carcinogenesis.2017

    • Author(s)
      Muhammad JS, Nanjo S, Ando T, Yamashita S, Maekita T, Ushijima T, Tabuchi Y, Sugiyama T.
    • Journal Title

      International journal of Cancer

      Volume: 140 Issue: 10 Pages: 2272-2283

    • DOI

      10.1002/ijc.30657

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] ヘリコバクター・ピロリ感染はDNAメチル化によりオートファジーを破綻させ、胃発がんを促進する2017

    • Author(s)
      南條宗八、ジブラン・スアレー・ムハンマド、安藤孝将、杉山敏郎
    • Organizer
      第23回日本ヘリコバクター学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Helicobacter pylori infection causes autophagy impairment by epigenetic alteration, promoting carcinogenesis in the stomach2017

    • Author(s)
      Sohachi Nanjo, Jibran Sualeh Muhammad, Takayuki Ando, Toshiro Sugiyama
    • Organizer
      第14回日韓合同ヘリコバクター感染シンポジウム
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ヘリコバクター・ピロリ慢性胃炎はMAP1LC3A variant1のメチル化サイレンシングによりオートファジーを破綻させ、胃発がんを促進する2017

    • Author(s)
      南條宗八、安藤孝将、杉山敏郎
    • Organizer
      第25回日本消化器関連学会週間
    • Related Report
      2017 Annual Research Report
  • [Presentation] The promising risk marker for gastric cancer developing after Helicobacter pylori eradication2015

    • Author(s)
      南條宗八、安藤孝将、寺尾秀一、杉山敏郎
    • Organizer
      Digestive Disease Week 2015
    • Place of Presentation
      シカゴ、アメリカ合衆国
    • Year and Date
      2015-05-16
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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