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Development of microRNA diagnostic markers for autoimmune gastritis (type A gastritis)

Research Project

Project/Area Number 20K16549
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 52010:General internal medicine-related
Research InstitutionKagawa University

Principal Investigator

Nishiyama Noriko  香川大学, 医学部附属病院, 医員 (50613410)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsガストリン / 非萎縮粘膜 / 自己免疫性胃炎 / 白点 / AIG / 制酸剤 / P-CAB / WGA / WS / PPI / A型胃炎 / microRNA
Outline of Research at the Start

研究期間内に、自己免疫性胃炎(AIG)と診断された患者30例を対象に、血清採取及び、上部内視鏡を施行し、前庭部(非萎縮粘膜)及び、体部(萎縮粘膜)より組織を生検採取行う。AIGの血清、組織に特異的なバイオマーカー的miRNAを2555分子から探索し、AIGの内視鏡診断学の補助診断として利用できるようにする。また、AIGから発癌したと診断された胃癌から生検採取を行い、AIGからのがん発生に関連あるmiRNAの同定を目指す

Outline of Final Research Achievements

In Hp-negative non-atrophic mucosa, P-CAB cases had significantly more white dots than PPI cases.
In addition, in the measurement of gastrin levels, the white spot cases were predominantly those with high gastrin levels.In addition, among patients receiving P-CAB, white spot cases had significantly higher gastrin.
Compared to other antacid-related findings, white spot cases had higher gastrin levels.

Academic Significance and Societal Importance of the Research Achievements

非萎縮粘膜に白点がある際は、高ガストリン血症になっており、酸抑制剤の減量が望ましいと考える事ができる可能性がある。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (2 results)

All 2022 2021

All Journal Article (1 results) Presentation (1 results)

  • [Journal Article] White Spot, a Novel Endoscopic Finding, May Be Associated with Acid-Suppressing Agents and Hypergastrinemia2021

    • Author(s)
      Nishiyama Noriko、Kobara Hideki、Ayaki Maki、Fujihara Shintaro、Nakatani Kaho、Tada Naoya、Koduka Kazuhiro、Matsui Takanori、Takata Tadayuki、Chiyo Taiga、Kobayashi Nobuya、Shi Tingting、Fujita Koji、Tani Joji、Yachida Tatsuo、Masaki Tsutomu、Haruma Ken
    • Journal Title

      Journal of Clinical Medicine

      Volume: 10 Issue: 12 Pages: 2625-2625

    • DOI

      10.3390/jcm10122625

    • Related Report
      2021 Research-status Report
  • [Presentation] 非萎縮胃粘膜上に発現する白点と制酸剤、高ガストリン血症との関連性2022

    • Author(s)
      西山 典子
    • Organizer
      日本消化管学会
    • Related Report
      2021 Research-status Report

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Published: 2020-04-28   Modified: 2024-01-30  

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