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臓器横断的な孤発性MSI陽性腫瘍の本態解明と治療戦略の構築

Research Project

Project/Area Number 22K06936
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 49020:Human pathology-related
Research InstitutionChiba University

Principal Investigator

松坂 恵介  千葉大学, 大学院医学研究院, 准教授 (40610150)

Project Period (FY) 2022-04-01 – 2025-03-31
Project Status Granted (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2024: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2023: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2022: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords胃癌 / TP53 / マイクロサテライト不安定性 / EBV陽性胃癌 / DNAメチル化形質 / 早期細胞老化 / 大腸癌 / 子宮体癌 / エピゲノム異常
Outline of Research at the Start

孤発性MSI(microsatellite instability)陽性腫瘍は胃癌・大腸癌・子宮体癌に好発する。その分子基盤はDNAメチル化を介したMLH1の不活化に起因するミスマッチ修復機構の破綻により、ゲノム全域に機能喪失性の短縮型変異が蓄積することに特徴付けられるが、TP53は高頻度に変異を回避する。本研究ではMSI陽性腫瘍の本態解明と新規治療戦略の構築を目指し、以下の3点を目的とし研究を展開する。①MLH1不活化機構の解明、②野生型TP53にも関わらず発癌に至る機序の解明、③野生型TP53を利用した治療戦略の開発。

Outline of Annual Research Achievements

応募者らは、DNAメチル化の網羅的解析に基づいた胃癌の層別化を行っている。遺伝子変異解析を組み合わせることで、高DNAメチル化形質・高変異型形質を示すマイクロサテライト不安定性(Microsatellite Instability (MSI))陽性胃癌と、超高DNAメチル化形質を示すEpstein-Barr virus (EBV)陽性胃癌が高頻度にTP53変異を回避している点が浮き彫りになった。癌抑制遺伝子p53は主にアポトーシス誘導と早期細胞老化を通じて発がん抑制に寄与しているが、どのようにして野生型TP53を保持したまま発がんに至っているのかについて解析を行った。自験例で得たデータをThe Cancer Genome Atlas (TCGA)のデータでもvalidationを行った上で、これらTP53野生型胃癌(MSI陽性胃癌・EBV陽性胃癌)はp53抑制因子Xの発現が亢進していることが確認された。p53抑制因子XをshRNAにてknockdownする、あるいはp53抑制因子に対する阻害剤を投与することで細胞のアポトーシスが誘導されることが示された。この結果はp53の下流経路は保たれており、翻訳後修飾的にp53の機能が抑制されている可能性が示唆された。また、MSI陽性胃癌あるいはEBV陽性胃癌がRASの活性化をともなっている傾向にあり、ジェネティックあるいはエピジェネティック機構により抑制されている因子がp53とは独立して早期細胞老化に寄与している可能性が示唆された。以上について現在論文を投稿中である。

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

TP53野生型胃癌におけるゲノム・エピゲノム異常についてまとめた論文のreviseに対応中であり、それ以外の解析がやや遅れている。

Strategy for Future Research Activity

論文のまとめ作業が完了し次第、新しい解析を進める予定である。

Report

(2 results)
  • 2023 Research-status Report
  • 2022 Research-status Report
  • Research Products

    (23 results)

All 2024 2023 2022

All Journal Article (21 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 21 results,  Open Access: 5 results) Book (2 results)

  • [Journal Article] Differences in mucosal permeability among patients with ulcerative colitis classified based on the colonic location and disease activity2024

    • Author(s)
      Shiratori Wataru, Ohta Yuki, Matsusaka Keisuke, Ohyama Yuhei, Mamiya Yukiyo, et al.
    • Journal Title

      Clinical and Translational Gastroenterology

      Volume: Online ahead of print. Issue: 5 Pages: e00692-e00692

    • DOI

      10.14309/ctg.0000000000000692

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Severe ulcerative colitis induced by COVID-19 vaccination2024

    • Author(s)
      Taida Takashi, Kato Jun, Ishikawa Kentaro, Akizue Naoki, Ohta Yuki, Okimoto Kenichiro, Saito Keiko, Matsusaka Keisuke, Matsumura Tomoaki, Kato Naoya
    • Journal Title

      Clinical Journal of Gastroenterology

      Volume: Online ahead of print. Issue: 3 Pages: 447-450

    • DOI

      10.1007/s12328-024-01926-x

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Utility of prophylactic clipping after colorectal cold snare polypectomy in patients on oral antithrombotic agents2024

    • Author(s)
      Akizue Naoki, Okimoto Kenichiro, Matsumura Tomoaki, Matsusaka Keisuke, Inaba Yosuke, Horio Ryosuke, Takahashi Satsuki, Goto Chihiro, Kurosugi Akane, Sonoda Michiko, Kaneko Tatsuya, Ohta Yuki, Taida Takashi, Kato Jun, Ikeda Jun-ichiro, Kato Naoya
    • Journal Title

      Gastrointestinal Endoscopy

      Volume: 99 Issue: 5 Pages: 826-829.e3

    • DOI

      10.1016/j.gie.2024.01.016

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Gel immersion endoscopic mucosal resection for pedunculated Brunner’s gland hyperplasia in the duodenal bulb near the pylorus2023

    • Author(s)
      Goto Chihiro, Okimoto Kenichiro, Matsumura Tomoaki, Akizue Naoki, Matsusaka Keisuke, Kato Jun, Kato Naoya
    • Journal Title

      Endoscopy

      Volume: 55 Issue: S 01 Pages: E985-E986

    • DOI

      10.1055/a-2139-4068

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Endoscopic submucosal dissection for early gastric cancer, using a disposable endoscope2023

    • Author(s)
      Okimoto Kenichiro, Matsumura Tomoaki, Fujie Mai, Akizue Naoki, Matsusaka Keisuke, Kato Jun, Kato Naoya
    • Journal Title

      Endoscopy

      Volume: 55 Issue: S 01 Pages: E881-E882

    • DOI

      10.1055/a-2109-0778

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Integrated environmental, lifestyle, and epigenetic risk prediction of primary gastric neoplasia using the longitudinally monitored cohorts2023

    • Author(s)
      Usui Genki, Matsusaka Keisuke, Huang Kie Kyon, Zhu Feng, Shinozaki Tomohiro, et al.
    • Journal Title

      eBioMedicine

      Volume: 98 Pages: 104844-104844

    • DOI

      10.1016/j.ebiom.2023.104844

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Outcomes for Underwater Endoscopic Mucosal Resection and Endoscopic Submucosal Dissection of 21?30-mm Colorectal Polyps: A Feasible Study2023

    • Author(s)
      Okimoto Kenichiro, Matsumura Tomoaki, Matsusaka Keisuke, Inaba Yosuke, Ishikawa Tsubasa, Akizue Naoki, Kaneko Tatsuya, Ota Masayuki, Ohta Yuki, Taida Takashi, Saito Keiko, Ogasawara Sadahisa, Maruoka Daisuke, Kato Jun, Ikeda Jun-ichiro, Kato Naoya
    • Journal Title

      Digestive Diseases and Sciences

      Volume: 68 Issue: 10 Pages: 3963-3973

    • DOI

      10.1007/s10620-023-08093-y

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Tumor localization by Prostate Imaging and Reporting and Data System (PI-RADS) version 2.1 predicts prognosis of prostate cancer after radical prostatectomy2023

    • Author(s)
      Fujimoto Ayumi, Sakamoto Shinichi, Horikoshi Takuro, Zhao Xue, Yamada Yasutaka, Rii Junryo, Takeuchi Nobuyoshi, Imamura Yusuke, Sazuka Tomokazu, Matsusaka Keisuke, Ikeda Jun-ichiro, Ichikawa Tomohiko
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1

    • DOI

      10.1038/s41598-023-36685-1

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Clinical utility of artificial intelligence assistance in histopathologic review of lymph node metastasis for gastric adenocarcinoma2023

    • Author(s)
      Matsushima Jun, Sato Tamotsu, Yoshimura Yuichiro, Mizutani Hiroyuki, Koto Shinichiro, Matsusaka Keisuke, Ikeda Jun-ichiro, Sato Taiki, Fujii Akiko, Ono Yuko, Mitsui Takashi, Ban Shinichi, Matsubara Hisahiro, Hayashi Hideki
    • Journal Title

      International Journal of Clinical Oncology

      Volume: 28 Issue: 8 Pages: 1033-1042

    • DOI

      10.1007/s10147-023-02356-4

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Association of frequent hypermethylation with high grade histological subtype in lung adenocarcinoma2023

    • Author(s)
      Ito Yuki、Usui Genki、Seki Motoaki、Fukuyo Masaki、Matsusaka Keisuke、Hoshii Takayuki、Sata Yuki、Morimoto Junichi、Hata Atsushi、Nakajima Takahiro、Rahmutulla Bahityar、Kaiho Taisuke、Inage Terunaga、Tanaka Kazuhisa、Sakairi Yuichi、Suzuki Hidemi、Yoshino Ichiro、Kaneda Atsushi
    • Journal Title

      Cancer Science

      Volume: Online Issue: 7 Pages: 3003-3013

    • DOI

      10.1111/cas.15817

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The neuroendocrine carcinoma component of gastric mixed adenoneuroendocrine carcinoma could develop with MLH1 deficiency independent of TP53 mutation2023

    • Author(s)
      Hashimoto R, Matsusaka K, Matsumura T, Hayano K, Kato N, Matsubara H, Ikeda JI.
    • Journal Title

      Pathol Int.

      Volume: - Issue: 6 Pages: 261-263

    • DOI

      10.1111/pin.13324

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] A case of metallosis mimicking cutaneous malignant melanoma following total elbow arthroplasty2023

    • Author(s)
      Arima Mio, Matsuzawa Takamitsu, Hashimoto Eiko, Ochiai Nobuyasu, Matsusaka Keisuke, Inozume Takashi
    • Journal Title

      JEADV Clinical Practice

      Volume: 2 Issue: 2 Pages: 343-346

    • DOI

      10.1002/jvc2.131

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Journal Article] Anti-proliferating and apoptosis-inducing activity of chemical compound FTI-6D in association with p53 in human cancer cell lines2023

    • Author(s)
      Inoue Takato、Matsuda Kazuaki、Matsusaka Keisuke、Nakajima Masaya、Takeno Yukari、Miyazaki Toko、Shintaku Takahiko、Yoda Natsumi、Saito Takahiko、Ikeda Eriko、Mano Yasunobu、Shinohara Kenichi、Rahmutulla Bahityar、Fukuyo Masaki、Kita Kazuko、Nemoto Tetsuhiro、Kaneda Atsushi
    • Journal Title

      Chemico-Biological Interactions

      Volume: 369 Pages: 110257-110257

    • DOI

      10.1016/j.cbi.2022.110257

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Long-Term Course of Gastric Submucosal Tumors: Growth Speed and Size-Increasing Factors2023

    • Author(s)
      Shiratori Wataru、Matsumura Tomoaki、Okimoto Kenichiro、Akizue Naoki、Matsusaka Keisuke、・・Kato Jun、Ikeda Jun-ichiro、Kato Naoya
    • Journal Title

      Gastrointestinal Endoscopy

      Volume: - Issue: 6 Pages: 1052-1058.e2

    • DOI

      10.1016/j.gie.2023.01.020

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Diagnostic Value of Adding Magnifying Chromoendoscopy to Magnifying Narrow-Band Imaging Endoscopy for Colorectal Polyps2023

    • Author(s)
      Matsumura Tomoaki、Ebigbo Alanna、・・Matsusaka Keisuke、Nagashima Kengo、Maehata Tadateru、Yahagi Naohisa、Messmann Helmut、Kato Naoya
    • Journal Title

      Clinical Gastroenterology and Hepatology

      Volume: - Issue: 10 Pages: 2551-2559.e2

    • DOI

      10.1016/j.cgh.2023.01.028

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Validity of pathological diagnosis for early colorectal cancer in genetic background2023

    • Author(s)
      Okimoto Kenichiro、Hirotsu Yosuke、Arai Makoto、Amemiya Kenji、Akizue Naoki、Ohta Yuki、Taida Takashi、Saito Keiko、Ohyama Hiroshi、Matsumura Tomoaki、Nishimura Motoi、Matsushita Kazuyuki、Matsusaka Keisuke、・・Kato Naoya、Omata Masao
    • Journal Title

      Cancer Medicine

      Volume: - Issue: 7 Pages: 8490-8498

    • DOI

      10.1002/cam4.5596

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Why is endosonography insufficient for residual diagnosis after neoadjuvant therapy for esophageal cancer? Solutions using muscle layer evaluation2022

    • Author(s)
      Yonemoto Shohei、Uesato Masaya、Nakano Akira、Murakami Kentaro、Toyozumi Takeshi、Maruyama Tetsuro、Suito Hiroshi、Tamachi Tomohide、Kato Manami、Kainuma Shunsuke、Matsusaka Keisuke、Matsubara Hisahiro
    • Journal Title

      World Journal of Gastrointestinal Endoscopy

      Volume: 14 Issue: 5 Pages: 320-334

    • DOI

      10.4253/wjge.v14.i5.320

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Association of tumors having <scp>Epstein?Barr</scp> virus in surrounding lymphocytes with poor prognosis2022

    • Author(s)
      Yogi Norikazu、Usui Genki、Matsusaka Keisuke、Fukuyo Masaki、Fujiki Ryoji、Seki Motoaki、Takano Shigetsugu、Abe Hiroyuki、Morikawa Teppei、Ushiku Tetsuo、Ohtsuka Masayuki、Kaneda Atsushi
    • Journal Title

      Cancer Medicine

      Volume: 12 Issue: 2 Pages: 1122-1136

    • DOI

      10.1002/cam4.4967

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Adenocarcinoma of the stomach and esophagogastric junction with low DNA methylation show poor prognoses2022

    • Author(s)
      Urabe Masayuki、Matsusaka Keisuke、Ushiku Tetsuo、Fukuyo Masaki、Rahmutulla Bahityar、Yamashita Hiroharu、Seto Yasuyuki、Fukayama Masashi、Kaneda Atsushi
    • Journal Title

      Gastric Cancer

      Volume: 26 Issue: 1 Pages: 95-107

    • DOI

      10.1007/s10120-022-01344-3

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Repression of DERL3 via DNA methylation by Epstein-Barr virus latent membrane protein 1 in nasopharyngeal carcinoma2022

    • Author(s)
      Kondo S, Okabe A, Nakagawa T, Matsusaka K, Fukuyo M, Rahmutulla B, Dochi H, Mizokami H, Kitagawa Y, Kurokawa T, Mima M, Endo K, Sugimoto H, Wakisaka N, Misawa K, Yoshizaki T, Kaneda A.
    • Journal Title

      Biochimica et Biophysica Acta - Molecular Basis of Disease

      Volume: 1869(2) Issue: 2 Pages: 166598-166598

    • DOI

      10.1016/j.bbadis.2022.166598

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Long-term vonoprazan administration causes gastric fundic gland-type hyperplastic polyps and chronic bleeding2022

    • Author(s)
      Goto Chihiro、Okimoto Kenichiro、Matsusaka Keisuke、Matsumura Tomoaki、Akizue Naoki、Ohta Yuki、Taida Takashi、Saito Keiko、Kato Jun、Kato Naoya
    • Journal Title

      Clinical Journal of Gastroenterology

      Volume: 16 Issue: 2 Pages: 159-163

    • DOI

      10.1007/s12328-022-01751-0

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Book] 胃と腸 58(10)2023

    • Author(s)
      沖元 謙一郎, 松村 倫明, 松坂 恵介, 加藤 順, 加藤 直也
    • Total Pages
      238
    • Publisher
      医学書院
    • Related Report
      2023 Research-status Report
  • [Book] 消化管 (非腫瘍性疾患病理アトラス)2023

    • Author(s)
      九嶋亮治、八尾隆史、牛久哲男
    • Total Pages
      364
    • Publisher
      文光堂
    • Related Report
      2023 Research-status Report

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Published: 2022-04-19   Modified: 2024-12-25  

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