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Epigenome and transcriptome analysis of hepatocellular carcinoma after eradication of hepatitis C virus

Research Project

Project/Area Number 18K08722
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 55020:Digestive surgery-related
Research InstitutionNational Hospital Organization, Kyushu Cancer Center

Principal Investigator

Sugimachi Keishi  独立行政法人国立病院機構(九州がんセンター臨床研究センター), その他部局等, 肝胆膵外科部長 (90452763)

Co-Investigator(Kenkyū-buntansha) 井口 友宏  独立行政法人国立病院機構(九州がんセンター臨床研究センター), その他部局等, 肝胆膵外科医師 (30598959)
三森 功士  九州大学, 大学病院, 教授 (50322748)
吉住 朋晴  九州大学, 医学研究院, 准教授 (80363373)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords肝がん / C型肝炎 / エピゲノム / ウイルス学的著効 / 肝細胞癌 / メチル化 / RNAシークエンス / トランスクリプトーム解析
Outline of Final Research Achievements

The purpose of this study was to elucidate the carcinogenic mechanism of hepatocellular carcinoma (HCC) that still occur even after hepatitis C was cured. Comprehensive analysis of whole genome methylation status was performed using whole genome methylation sequence in HCC clinical samples. We obtained important finding that altered methylation status caused by hepatitis C infection retained and did not normalize even after HCV was cured by antiviral treatment. Furthermore, we were able to clarify gene expression alterations regulated by epigenome changes, especially gene expression changes controlled by transcription factors, in SVR patients.

Academic Significance and Societal Importance of the Research Achievements

本研究により、C型肝炎が治癒した後もHCVによって引き起こされたメチル化異常が宿主によって保持されているという重要な知見を得ることができた。この結果はSVR肝発癌の分子機序の解明に寄与すると考えられる。本研究が臨床病理学的あるいは生物学的なSVR肝癌発生のリスク分類を構築することに発展すれば、肝癌の早期発見早期治療や新規分子標的治療の開発による臨床的な肝癌患者の予後改善に寄与することはもちろん、無駄な治療費を減ずる点で医療経済医療行政への貢献も期待できる。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (5 results)

All 2021 2020 2018

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (2 results)

  • [Journal Article] レンバチニブ治療後にconversion手術を行い完全奏功が確認された胆管浸潤再発肝細胞癌の一例2021

    • Author(s)
      松本佳大、杉町圭史、間野洋平、井口友宏、稲田浩気、田中ゆき、千住猛士、杉本理恵、田口健一、森田 勝、藤也寸志
    • Journal Title

      臨牀と研究

      Volume: 98 Pages: 511-513

    • NAID

      40022563413

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inferior Right Hepatic Vein-Preserving Hepatectomy for Large Liver Tumors: Anterior Approach Using the Two-Stage Modified Hanging Maneuver (with Video)2020

    • Author(s)
      Sugimachi Keishi、Iguchi Tomohiro、Nakanoko Tomonori、Mano Yohei
    • Journal Title

      Journal of Gastrointestinal Surgery

      Volume: 24 Issue: 6 Pages: 1444-1447

    • DOI

      10.1007/s11605-020-04602-w

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Serial mutational tracking in surgically resected locally advanced colorectal cancer with neoadjuvant chemotherapy.2018

    • Author(s)
      Sugimachi K, Sakimura S, Kuramitsu S, Hirata H, Niida A, Iguchi T, Eguchi H, Masuda T, Morita M, Toh Y, Maehara Y, Suzuki Y, Mimori K.
    • Journal Title

      Br J Cancer.

      Volume: 4 Issue: 4 Pages: 419-423

    • DOI

      10.1038/s41416-018-0208-5

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] HCV関連肝細胞癌の肝切除成績の時代的変遷とSVR肝癌の臨床・分子学的解析2021

    • Author(s)
      杉町圭史、間野洋平、松本佳大、進勇輝、中ノ子智徳、上原英雄、杉山雅彦、中島雄一郎、太田光彦、井口友宏、森田勝、藤也寸志
    • Organizer
      第121回日本外科学会定期学術集会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 化学療法が奏功し切除を行った腹膜播種を伴う切除不能膵癌の1例2018

    • Author(s)
      杉町圭史、井口友宏、香川秀樹、中司悠、中ノ子智徳、杉山雅彦、太田光彦、池部正彦、森田修、藤也寸志
    • Organizer
      第80回日本臨床外科学会総会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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