• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Molecular analysis of multiple sessile serrated lesions and establishment of surveillance system for high-risk patients with colorectal cancer

Research Project

Project/Area Number 20K07662
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 50020:Tumor diagnostics and therapeutics-related
Research InstitutionSapporo Medical University

Principal Investigator

Harada Taku  札幌医科大学, 医学部, 研究員 (60468030)

Co-Investigator(Kenkyū-buntansha) 山本 英一郎  札幌医科大学, 医学部, 訪問研究員 (60567915)
Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords大腸鋸歯状病変 / 大腸がん / エピゲノム / ヒストン修飾 / DNAメチル化 / 鋸歯状病変 / エンハンサー / 発がんリスク
Outline of Research at the Start

鋸歯状病変の多発は大腸がんの高リスク因子である。我々は多発鋸歯状病変の背景大腸粘膜に、腫瘍発生の素地となる分子異常が存在するという仮説を立て、エピゲノム解析を行った。その結果、多発鋸歯状病変の背景粘膜において特徴的なDNAメチル化を見いだし、それが重要ながん遺伝子の発現調節に関わっていることを明らかにしつつある。本研究では多発鋸歯状病変をモデルとして、大腸発がんリスクに関わる分子異常の同定とサーベイランスへの臨床応用を目的とする。

Outline of Final Research Achievements

Patients with multiple serrated lesions are at high-risk of developing colorectal cancer. The aim of this study was to elucidate the mechanisms underlying the development of colorectal cancer from multiple serrated lesions and to establish surveillance for high-risk patients with colorectal cancer. Analysis of DNA methylation and histone modifications in serrated lesions and background mucosa revealed an elevated level of histone H3 lysine 27 trimethylation (H3K27me3), a marker of transcriptional repression, in the background mucosa of multiple serrated lesions. H3K27me3 in the background mucosa showed a positive correlation with DNA methylation in the tumor area, while H3K4me3 in the background mucosa showed a negative correlation with DNA methylation in the tumor area. Among these findings, TLX2 and GABRA4 were identified as candidate marker genes that frequently exhibit H3K27me3 in the background mucosa of multiple serrated lesions.

Academic Significance and Societal Importance of the Research Achievements

大腸腫瘍の背景粘膜においてDNAメチル化異常が蓄積するという報告はこれまでにも見られるが、本研究ではヒストン修飾が大腸腫瘍のfield defectに関わるという知見を得た。背景粘膜におけるヒストン修飾は、多発鋸歯状病変のリスクマーカーとして応用しうる可能性が示された。また、大腸粘膜におけるヒストン修飾が、大腸腫瘍発生におけるDNAメチル化異常のトリガーとなっている可能性を示した。

Report

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

    (13 results)

All 2023 2022 2021 2020

All Journal Article (6 results) (of which Peer Reviewed: 6 results,  Open Access: 3 results) Presentation (7 results)

  • [Journal Article] Serum amyloid A1 recruits neutrophils to the invasive front of T1 colorectal cancers.2023

    • Author(s)
      Yoshido A, Sudo G, Takasawa A, Aoki H, Kitajima H, Yamamoto E, Niinuma T, Harada T, Kubo T, Sasaki H, Ishiguro K, Yorozu A, Kai M, Katanuma A, Yamano HO, Osanai M, Nakase H, Suzuki H.
    • Journal Title

      J Gastroenterol Hepatol.

      Volume: 38 Issue: 2 Pages: 301-310

    • DOI

      10.1111/jgh.16055

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Activated macrophages promote invasion by early colorectal cancer via an interleukin 1β‐serum amyloid A1 axis2021

    • Author(s)
      Sudo Gota、Aoki Hironori、Yamamoto Eiichiro、Takasawa Akira、Niinuma Takeshi、Yoshido Ayano、Kitajima Hiroshi、Yorozu Akira、Kubo Toshiyuki、Harada Taku、Ishiguro Kazuya、Kai Masahiro、Katanuma Akio、Yamano Hiro‐o、Osanai Makoto、Nakase Hiroshi、Suzuki Hiromu
    • Journal Title

      Cancer Science

      Volume: 112 Issue: 10 Pages: 4151-4165

    • DOI

      10.1111/cas.15080

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Integrated Epigenome and Transcriptome Analysis to Clarify the Effect of Epigenetic Inhibitors on GIST2021

    • Author(s)
      NIINUMA TAKESHI、KITAJIMA HIROSHI、YAMAMOTO EIICHIRO、MARUYAMA REO、AOKI HIRONORI、HARADA TAKU、ISHIGURO KAZUYA、SUDO GOTA、TOYOTA MUTSUMI、YOSHIDO AYANO、KAI MASAHIRO、NAKASE HIROSHI、SUGAI TAMOTSU、SUZUKI HIROMU
    • Journal Title

      Anticancer Research

      Volume: 41 Issue: 6 Pages: 2817-2828

    • DOI

      10.21873/anticanres.15062

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Histopathologic features and fragmentation of polyps with cold snare defect protrusions2021

    • Author(s)
      Ishii Tatsuya、Harada Taku、Tanuma Tokuma、Yamazaki Hajime、Tachibana Yasuhiro、Aoki Hironori、Shinohara Toshiya、Katanuma Akio
    • Journal Title

      Gastrointestinal Endoscopy

      Volume: 93 Issue: 4 Pages: 952-959

    • DOI

      10.1016/j.gie.2020.07.040

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Comparison of dissection speed during colorectal ESD between the novel Multiloop (M-loop) traction method and ESD methods without traction2020

    • Author(s)
      Suzuki Yuichiro、Tanuma Tokuma、Nojima Masanori、Sudo Gota、Murakami Yuki、Ishii Tatsuya、Akahonai Masakazu、Kobayashi Yosuke、Hamamoto Hidetaka、Aoki Hironori、Harada Taku、Katanuma Akio、Nakase Hiroshi
    • Journal Title

      Endoscopy International Open

      Volume: 08 Issue: 07 Pages: E840-E847

    • DOI

      10.1055/a-1161-8596

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Multiloop as a novel traction method in accelerating colorectal endoscopic submucosal dissection2020

    • Author(s)
      Suzuki Yuichiro、Tanuma Tokuma、Nojima Masanori、Sudo Gota、Akahonai Masakazu、Hamamoto Hidetaka、Aoki Hironori、Harada Taku、Katanuma Akio、Nakase Hiroshi
    • Journal Title

      Gastrointestinal Endoscopy

      Volume: 91 Issue: 1 Pages: 185-190

    • DOI

      10.1016/j.gie.2019.08.042

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Presentation] 活性化マクロファージはIL-1β-SAA1 axisを介して早期大腸がんの浸潤を促進する.2022

    • Author(s)
      須藤豪太,山本英一郎,青木敬則,高澤啓,吉戸文乃,新沼猛,久保俊之,原田拓,萬顕,北嶋洋志,甲斐正広,小山内誠,仲瀬裕志,鈴木拓.
    • Organizer
      第81回日本癌学会学術総会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Serum amyloid A1は好中球をリクルートして早期大腸癌の浸潤を促進する.2022

    • Author(s)
      吉戸文乃,須藤豪太,高澤啓,北嶋洋志,山本英一郎,青木敬則,新沼猛,石黒一也,久保俊之,原田拓,甲斐正広,小山内誠,仲瀬裕志,鈴木拓.
    • Organizer
      第81回日本癌学会学術総会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 大腸粘膜の抑制的ヒストン修飾はCIMP陽性の大腸腫瘍リスクと相関する.2022

    • Author(s)
      山本英一郎,須藤豪太,久保俊之,原田拓,佐々木基,青木敬則,北嶋洋志,新沼猛,甲斐正広,山野泰穂,菅井有,仲瀬裕志,鈴木拓.
    • Organizer
      第81回日本癌学会学術総会
    • Related Report
      2022 Annual Research Report
  • [Presentation] SMOC1の大腸腫瘍診断マーカーとしての臨床的有用性の検討.2022

    • Author(s)
      青木敬則,高澤啓,山本英一郎,新沼猛,山野泰穂,北嶋洋志,甲斐正広,久保俊之,原田拓,小山内誠,仲瀬裕志,菅井有,鈴木拓.
    • Organizer
      第81回日本癌学会学術総会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Helicobacter pylori除菌後胃がんと背景胃粘膜におけるDNAメチローム解析.2021

    • Author(s)
      山本英一郎,吉戸文乃,須藤豪太,三橋慧,北嶋洋志,新沼猛,甲斐正広,原田拓,佐々木基,久保俊之,山野泰穂,仲瀬裕志,菅井有,鈴木拓.
    • Organizer
      第80回日本癌学会学術総会
    • Related Report
      2021 Research-status Report
  • [Presentation] エピジェネティック阻害剤のGIST細胞におけるエピゲノム修飾,遺伝子発現への影響の統合解析.2021

    • Author(s)
      吉戸文乃,須藤豪太,北嶋洋志,新沼猛,甲斐正広,原田拓,佐々木基,久保俊之,仲瀬裕志,菅井有,鈴木拓.
    • Organizer
      第80回日本癌学会学術総会
    • Related Report
      2021 Research-status Report
  • [Presentation] 新規頭頸部癌関連long non-coding RNAの同定と機能解析.2021

    • Author(s)
      新沼猛,北嶋洋志,畠中柚衣,関口翔平,萬顕,久保俊之,佐々木基,原田拓,甲斐正広,仲瀬裕志,鈴木拓.
    • Organizer
      第80回日本癌学会学術総会
    • Related Report
      2021 Research-status Report

URL: 

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

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi