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Elucidation of chemoresistant network of clear cell ovarian cancer via spatial analyses

Research Project

Project/Area Number 21H03081
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 56040:Obstetrics and gynecology-related
Research InstitutionTeikyo University (2022-2023)
National Cancer Center Japan (2021)

Principal Investigator

Okamoto Koji  帝京大学, 先端総合研究機構, 教授 (80342913)

Co-Investigator(Kenkyū-buntansha) 吉原 弘祐  新潟大学, 医歯学系, 教授 (40547535)
加藤 友康  国立研究開発法人国立がん研究センター, 中央病院, 科長 (50224522)
榎本 隆之  新潟大学, 医歯学系, 特任教授 (90283754)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2023: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2022: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2021: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Keywordsがん治療抵抗性 / がん組織多様性 / シングルセル解析 / 組織空間的解析 / 卵巣明細胞がん / 空間的トランスクリプトーム
Outline of Research at the Start

卵巣がんの一組織型である明細胞がんは、本邦における高い頻度、早期発見の困難さ、高い治療抵抗性を示し予後不良である事より、その抵抗性解明は医療上の喫緊の課題である。腫瘍中の抗がん剤抵抗性細胞群は、周りの非がん細胞をニッチ細胞として共生し、抗がん剤耐性を獲得していると予想されるが、これらの細胞間の相互依存的なネットワークの形成が抗がん剤抵抗性の本態であると考えられる。本課題においては、従来の1細胞解析法を進展、統合する事により、明細胞がん抵抗性の本態解明を目指す。これらの研究により、明細胞がん治療抵抗性の本態を明らかにし、革新的治療法構築の礎を築く事を最終目標とする。

Outline of Final Research Achievements

Ovarian clear cell carcinoma has a poor prognosis, and understanding its resistance mechanisms is a critical medical challenge. In this study, we conducted analyses combining single-nucleus and spatial analyses on clinical cancer specimens. Through single-nucleus analysis, we identified HIF-1 positive cancer cell populations as chemoresistant cells. Furthermore, integrated analysis with spatial transcriptomics revealed that these resistant cells co-localize with cancer-associated fibroblasts (CAFs). Additionally, in co-culture systems of clear cell carcinoma spheroids and CAFs, we demonstrated that HIF-1 positive cancer cells and CAFs are activated through mutual interactions. This feedback regulation between the two cell types is considered a potential therapeutic target.

Academic Significance and Societal Importance of the Research Achievements

本研究において、卵巣明細胞がん臨床検体を用いて、がん細胞と非がん細胞の「相互依存空間」が抗がん剤抵抗性を担う事を明らかにした点に学術的意義があると考えられる。また、1細胞核発現解析と最先端技術である空間的遺伝子発現解析を統合し、抵抗性細胞群の組織切片上で抵抗性ニッチを可視化する方法論を確立した点にも、学術的な独自性があると考える。本研究の社会的意義としては、これらの研究を通じて、これまで有効な治療法のなかた卵巣明細胞がんの新しい治療法構築に結びつく可能性があると考えられる。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (19 results)

All 2023 2022 2021

All Journal Article (8 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 8 results,  Open Access: 8 results) Presentation (10 results) (of which Int'l Joint Research: 1 results,  Invited: 9 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Elevated stress response marks deeply quiescent reserve cells of gastric chief cells2023

    • Author(s)
      Shiokawa Daisuke、Sakai Hiroaki、Koizumi Miho、Okimoto Yoshie、Mori Yutaro、Kanda Yusuke、Ohata Hirokazu、Honda Hiroaki、Okamoto Koji
    • Journal Title

      Communications Biology

      Volume: 6 Issue: 1 Pages: 1183-1183

    • DOI

      10.1038/s42003-023-05550-2

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] FXYD3 functionally demarcates an ancestral breast cancer stem cell subpopulation with features of drug-tolerant persisters2023

    • Author(s)
      Li Mengjiao、Nishimura Tatsunori、Takeuchi Yasuto、Hongu Tsunaki、Wang Yuming、Hirose Haruka、Nomura Seitaro、Suzuki Yutaka、Okamoto Koji、Gotoh Noriko (et al. 22)
    • Journal Title

      Journal of Clinical Investigation

      Volume: 133 Issue: 22 Pages: 1-19

    • DOI

      10.1172/jci166666

    • URL

      https://pure.teikyo.jp/en/publications/d71d747a-da13-460e-9ab3-392d35ed0efc

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Sleeping Beauty transposon mutagenesis identified genes and pathways involved in inflammation-associated colon tumor development2023

    • Author(s)
      Shimomura Kana、Hattori Naoko、Iida Naoko、Muranaka Yukari、Sato Kotomi、Shiraishi Yuichi、Arai Yasuhito、Hama Natsuko、Shibata Tatsuhiro、Narushima Daichi、Kato Mamoru、Takamaru Hiroyuki、Okamoto Koji、Takeda Haruna
    • Journal Title

      Nature Communications

      Volume: 14 Issue: 1

    • DOI

      10.1038/s41467-023-42228-z

    • URL

      https://pure.teikyo.jp/en/publications/f9dc5b3e-a574-4630-927d-39a56a065555

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] PROX1 induction by autolysosomal activity stabilizes persister-like state of colon cancer via feedback repression of the NOX1-mTORC1 pathway2023

    • Author(s)
      Ohata Hirokazu、Shiokawa Daisuke、Sakai Hiroaki、Kanda Yusuke、Okimoto Yoshie、Kaneko Syuzo、Hamamoto Ryuji、Nakagama Hitoshi、Okamoto Koji
    • Journal Title

      Cell Reports

      Volume: 42 Issue: 6 Pages: 112519-112519

    • DOI

      10.1016/j.celrep.2023.112519

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Single-Cell Transcriptome Profiling Reveals Intratumoral Heterogeneity and Molecular Features of Ductal Carcinoma in Situ2022

    • Author(s)
      Momoko Tokura、Jun Nakayama、Marta Prieto-Vila、Sho Shiino、Masayuki Yoshida、Tomofumi Yamamoto、Naoaki Watanabe、Shin Takayama、Yutaka Suzuki、Koji Okamoto、Takahiro Ochiya、Takashi Kohno、Yasushi Yatabe、Akihiko Suto、Yusuke Yamamoto
    • Journal Title

      Cancer Research

      Volume: 82 Issue: 18 Pages: 3236

    • DOI

      10.1158/0008-5472.can-22-0090

    • URL

      https://localhost/en/publications/1ac0cfaf-0517-4ef1-a636-d566d1d35590

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] NF-κB suppression synergizes with E7386, an inhibitor of CBP/β-catenin interaction, to block proliferation of patient-derived colon cancer spheroids.2022

    • Author(s)
      Kanda Y, Ohata H, Miyazaki T, Sakai H, Mori Y, Shiokawa D, Yokoi A, Owa T, Ochiai A, *Okamoto K.
    • Journal Title

      Biochem. Biophys. Res. Commun.

      Volume: 586 Pages: 93-99

    • DOI

      10.1016/j.bbrc.2021.11.063

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Stemness and immune evasion conferred by the TDO2-AHR pathway are associated with liver metastasis of colon cancer2022

    • Author(s)
      Miyazaki T, Chung S, Sakai H, Ohata H, Obata Y, Shiokawa D, Mizoguchi Y, Kubo T, Ichikawa H, Taniguchi H, Aoki K, Soga T, Nakagama H, *Okamoto K.
    • Journal Title

      Cancer Sci.

      Volume: 113 Issue: 1 Pages: 170

    • DOI

      10.1111/cas.15182

    • URL

      https://localhost/en/publications/40e65288-52e8-4740-a9ca-35b6f6466ceb

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Integrative analyses of gene expression and chemosensitivity of patient-derived ovarian cancer spheroids link G6PD-driven redox metabolism to cisplatin chemoresistance2021

    • Author(s)
      Yamawaki K, Mori Y Sakai H, Kanda Y, Shiokawa D, Ueda U, Ishiguro T, Yoshihara K, Nagasaka K, Onda T, Kato T, Kondo T, Enomoto T, *Okamoto K.
    • Journal Title

      Cancer Lett.

      Volume: 521 Pages: 29

    • DOI

      10.1016/j.canlet.2021.08.018

    • URL

      https://localhost/en/publications/c4987eae-d861-4be9-a822-23ab132f94c0

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Functional role of mTORC1-mediated inhibition of autophagy in the regulation of slow-cycling persister cells of colon cancer2022

    • Author(s)
      Koji Okamoto
    • Organizer
      The protein phosphatase conference - Jointly hosted by FASEB and the Japanese Association for Protein Phosphatase Research (JAPPR)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 肺がん由来スフェロイドパネルを用いた新たな治療標的の探索2022

    • Author(s)
      岡本康司
    • Organizer
      第63 回日本肺癌学会学術集会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 凍結臨床検体を用いた1 細胞核解析と空間的トランスクリプトームの統合による卵巣明細胞腺がんの治療抵抗性の理解2022

    • Author(s)
      森裕太郎、神田裕介、酒井宏晃、大畑広和、小幡裕希、塩川大介、吉田裕、Raul Nicolas Mateos、山脇芳、石黒竜也、吉原弘祐、白石友一、加藤友康、榎本隆之、岡本康司
    • Organizer
      第4回がん三次元培養研究会
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] 空間的発現解析によるがん難治性ネットワークの同定2022

    • Author(s)
      岡本康司
    • Organizer
      第10回Cancer Stem Cell Symposium
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] シングルセル解析と空間的発現解析の統合によるがん難治性ネットワークの同定2022

    • Author(s)
      Koji Okamoto
    • Organizer
      日本患者由来がんモデル学会学術集会2022
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] オートファジーによる PROX1の発現誘導は NOX1-mTORC1経路の抑制を介して休眠型の大腸がん細胞を生成する2022

    • Author(s)
      大畑広和、塩川大介、岡本康司
    • Organizer
      第81回日本癌学会国際シンポジウム
    • Related Report
      2022 Annual Research Report
    • Invited
  • [Presentation] シングルセル解析と空間的トランスクリプトーム解析による卵巣明細 胞腺癌の治療抵抗性ニッチの解明2022

    • Author(s)
      森裕太郎、岡本康司、神田裕介、石黒竜也、吉原弘祐、榎本隆之、山脇芳、大畑広和、塩川大介
    • Organizer
      第81回日本癌学会国際シンポジウム
    • Related Report
      2022 Annual Research Report
  • [Presentation] シングルセル解析と空間的トランスクリプトームの統合によるがん組織多様性及び治療抵抗性の理解2021

    • Author(s)
      岡本康司
    • Organizer
      第44回日本分子生物学会年会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 臨床がん由来のスフェロイドバネル構築と肺がん研究への応用2021

    • Author(s)
      岡本康司
    • Organizer
      第62 回日本肺癌学会学術集会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 抗がん剤抵抗性を示す休止型がん幹細胞の解析と治療戦略2021

    • Author(s)
      岡本康司
    • Organizer
      第80回日本癌学会国際シンポジウム
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Patent(Industrial Property Rights)] チロシンキナーゼ阻害剤によるがん関連線維芽細胞の抑制を介した卵巣明細胞がんの治療法の開発2023

    • Inventor(s)
      森裕太郎、岡本康司
    • Industrial Property Rights Holder
      森裕太郎、岡本康司
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2023-188377
    • Filing Date
      2023
    • Related Report
      2023 Annual Research Report

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Published: 2021-04-28   Modified: 2025-01-30  

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