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Establishment of a new model for human colorectal cancers

Research Project

Project/Area Number 19K17831
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 54010:Hematology and medical oncology-related
Research InstitutionKyushu University

Principal Investigator

Isobe Taichi  九州大学, 医学研究院, 助教 (30838727)

Project Period (FY) 2019-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2019: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywordsがん / 染色体 / 大腸 / 発がん / 多能性幹細胞 / 染色体異常 / iPS細胞 / 大腸がん / 分化 / 疾患モデル / 染色体不安定性
Outline of Research at the Start

大腸がんは多様な生物学的特徴を持つ疾患であり、発がんの原因となるゲノム不安定性も症例毎に異なる。大多数の大腸がんで起こっているゲノム不安定性は、染色体異常を引き起こす染色体不安定性である。染色体は生物種で大きく異なることから、染色体異常によるがん化メカニズムの詳細はヒトの細胞を用いて示すことが望ましいが、ヒトの正常大腸細胞に染色体異常を導入することはこれまで困難であった。
本研究では、多能性幹細胞から臓器への分化技術を用いることで、ヒト大腸細胞への染色体異常導入を容易とし、染色体異常による発がんメカニズムを詳らかにすることを目的としている。

Outline of Final Research Achievements

Chromosomal Abnormality which frequently occurred in left-sided colorectal cancer was induced to normal karyotypic human iPS cells. Chromosome-induced iPS cells were differentiated into colon in vitro with recombinant protein and inhibitors. Colorectal organoids had digestive-track like structure surrounded by stroma and some part presented with atypia.

Academic Significance and Societal Importance of the Research Achievements

結腸直腸がんでは遺伝子変異のほかに染色体数の異常を、特に原発巣が肛門側に近い症例で高頻度に認める。大腸の発がんやがんの進行に染色体異常がどのように影響しているかを解明することにより、新しい治療法や予防法へとつながる可能性がある。
本研究では、染色体異常をもつ細胞を用いて作成した大腸組織の一部が、正常と比較すると異常と考えられる構造を示していたことから、新たな大腸発がんメカニズムを明らかにできる可能性がある。

Report

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

    (6 results)

All 2021 2020 2019

All Journal Article (6 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Open Access: 2 results)

  • [Journal Article] Predictive impact of C-reactive protein to albumin ratio for recurrent or metastatic head and neck squamous cell carcinoma receiving nivolumab2021

    • Author(s)
      Tanoue Kenro、Tamura Shingo、Kusaba Hitoshi、Shinohara Yudai、Ito Mamoru、Tsuchihashi Kenji、Shirakawa Tsuyoshi、Otsuka Taiga、Ohmura Hirofumi、Isobe Taichi、Ariyama Hiroshi、Koreishi Sakuya、Matsushita Yuzo、Shimokawa Hozumi、Tanaka Risa、Mitsugi Kenji、Akashi Koichi、Baba Eishi
    • Journal Title

      Scientific Reports

      Volume: 11 Issue: 1 Pages: 2741-2741

    • DOI

      10.1038/s41598-021-82448-1

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ageing hallmarks exhibit organ-specific temporal signatures2020

    • Author(s)
      Schaum N.、Lehallier B.、Hahn O.、et al.
    • Journal Title

      Nature

      Volume: 583 Issue: 7817 Pages: 596-602

    • DOI

      10.1038/s41586-020-2499-y

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A single-cell transcriptomic atlas characterizes ageing tissues in the mouse2020

    • Author(s)
      The Tabula Muris Consortium
    • Journal Title

      Nature

      Volume: 583 Issue: 7817 Pages: 590-595

    • DOI

      10.1038/s41586-020-2496-1

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Eribulin as a first-line treatment for soft tissue sarcoma patients with contraindications for doxorubicin2020

    • Author(s)
      Tsuchihashi K, Kusaba H, Yoshihiro T, Fujiwara T, Setsu N, Endo M, Matsumoto Y, Imajima T, Shinohara Y, Ito M, Yamaga S, Tanoue K, Arimizu K, Ohmura H, Hanamura F, Yamaguchi K, Isobe T, Ariyama H, Nakashima Y, Akashi K, Baba E.
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 20896-20896

    • DOI

      10.1038/s41598-020-77898-y

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] miR-221 Targets QKI to Enhance the Tumorigenic Capacity of Human Colorectal Cancer Stem Cells.2019

    • Author(s)
      Mukohyama J, Isobe T, Hu Q, Hayashi T, Watanabe T, Maeda M, Yanagi H, Qian X, Yamashita K, Minami H, Mimori K, Sahoo D, Kakeji Y, Suzuki A, Dalerba P, Shimono Y.
    • Journal Title

      Cancer Research

      Volume: 79 Issue: 20 Pages: 5151-5158

    • DOI

      10.1158/0008-5472.can-18-3544

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Methylation of drug resistance‐related genes in chemotherapy‐sensitive Epstein?Barr virus‐associated gastric cancer2019

    • Author(s)
      Ohmura Hirofumi、Ito Mamoru、Uchino Keita、Okada Chihiro、Tanishima Shigeki、Yamada Yuichi、Momosaki Seiya、Komoda Masato、Kuwayama Miyuki、Yamaguchi Kyoko、Okumura Yuta、Nakano Michitaka、Tsuchihashi Kenji、Isobe Taichi、Ariyama Hiroshi、Kusaba Hitoshi、Oda Yoshinao、Akashi Koichi、Baba Eishi
    • Journal Title

      FEBS Open Bio

      Volume: 10 Issue: 1 Pages: 147-157

    • DOI

      10.1002/2211-5463.12765

    • Related Report
      2019 Research-status Report
    • Peer Reviewed

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Published: 2019-04-18   Modified: 2022-01-27  

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