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Deciphering the regulatory mechanism of autophagy by TXNIP in acute myeloid leukemia (AML)

Research Project

Project/Area Number 19K17875
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 54010:Hematology and medical oncology-related
Research InstitutionShubun University (2021)
Tenri Health Care University (2019-2020)

Principal Investigator

Noura Mina  修文大学, 医療科学部, 助手 (90828401)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
KeywordsAML / TXNIP / オートファジー / 急性骨髄性白血病 / 腫瘍抑制
Outline of Research at the Start

近年がんに対する様々な分子標的薬が開発されており、AMLにおいても有効な治療法として期待されている。しかし、AMLの標準治療法は依然としてシタラビンを中心とした化学療法であり、しばしば耐性獲得により予後不良となる。従ってAMLの悪性化に関わる根本的な原因を特定することが切望される。申請者はデータベースを用いた予後解析より、難治性AML患者において腫瘍抑制因子TXNIPの低発現が予後不良に関連することを明らかにした。TXNIPは様々ながんで発現低下が報告されているが、その詳細な分子機構はほとんど解明されていない。本研究ではAMLにおけるTXNIPの機能としてオートファジーに注目して解析を行う。

Outline of Final Research Achievements

Various molecular-targeted drugs for cancer have been developed and are expected as effective therapeutic methods for acute myeloid leukemia (AML). The standard treatment for AML is chemotherapy with a combination of cytarabine and anthracycline; however, it often results in a poor prognosis due to the acquired resistance. This study tried to develop a new therapeutic strategy to overcome refractory AML. Using the clinical database, we revealed that downregulation of the tumor suppressor TXNIP is associated with a poor prognosis. Although the expression of TXNIP is suppressed in various cancers, its detailed molecular mechanism has not been elucidated. Here, we clarify the roles of TXNIP in AML and show the antitumor effect of combined treatment with TXNIP overexpression and Bcl-2 family protein inhibitor.

Academic Significance and Societal Importance of the Research Achievements

TXNIPは様々な組織において腫瘍抑制に重要な役割を果たす。本研究では、MLL遺伝子再構成を伴うAMLにおいてTXNIPが細胞増殖を抑制し、オートファジーを誘導することを明らかにした。この成果は難治性MLL白血病の新規治療法の開発に寄与する。また本研究ではTXNIPの過剰発現が既存のBcl-2ファミリー阻害薬であるABT-263のアポトーシス誘導作用を増強することを明らかにした。この成果はTXNIPによるオートファジー誘導がアポトーシスに与える影響について新たな知見をもたらし、オートファジーとアポトーシスのクロストークを制御する革新的治療法の確立につながると展望する。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (9 results)

All 2021 2020 2019

All Journal Article (6 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 6 results,  Open Access: 4 results) Presentation (3 results)

  • [Journal Article] Efficacy of a combination therapy targeting CDK4/6 and autophagy in a mouse xenograft model of t(8;21) acute myeloid leukemia2021

    • Author(s)
      Matsuo Hidemasa、Nakatani Kana、Harata Yutarou、Higashitani Moe、Ito Yuri、Inagami Aina、Noura Mina、Nakahata Tatsutoshi、Adachi Souichi
    • Journal Title

      Biochemistry and Biophysics Reports

      Volume: 27 Pages: 101099-101099

    • DOI

      10.1016/j.bbrep.2021.101099

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Albendazole induces the terminal differentiation of acute myeloid leukaemia cells to monocytes by stimulating the Kruppel‐like factor 4‐dihydropyrimidinase‐like 2A (KLF4‐DPYSL2A) axis2021

    • Author(s)
      Noura Mina、Morita Ken、Kiyose Hiroki、Okuno Yukiko、Matsuo Hidemasa、Koyama Asami、Nishinaka‐Arai Yoko、Kamikubo Yasuhiko、Adachi Souichi
    • Journal Title

      British Journal of Haematology

      Volume: 194 Issue: 3 Pages: 598-603

    • DOI

      10.1111/bjh.17557

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suppression of malignant rhabdoid tumors through Chb-M'-mediated RUNX1 inhibition2021

    • Author(s)
      Tomoo Daifu, Masamitsu Mikami, Hidefumi Hiramatsu, Atsushi Iwai, Katsutsugu Umeda, Mina Noura, Hirohito Kubota, ..., Junko Takita, Hiroshi Sugiyama, Souichi Adachi, Yasuhiko Kamikubo
    • Journal Title

      Pediatric Blood & Cancer

      Volume: 68 Issue: 2

    • DOI

      10.1002/pbc.28789

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] TXNIP induces growth arrest and enhances ABT263-induced apoptosis in mixed-lineage leukemia-rearranged acute myeloid leukemia cells.2020

    • Author(s)
      Mina Noura, Hidemasa Matsuo, Asami Koyama, Souichi Adachi, Hiroshi Masutani.
    • Journal Title

      FEBS openbio

      Volume: 10 Issue: 8 Pages: 1532-1541

    • DOI

      10.1002/2211-5463.12908

    • NAID

      120006879474

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pivotal role of DPYSL2A in KLF4-mediated monocytic differentiation of acute myeloid leukemia cells2020

    • Author(s)
      Noura Mina、Morita Ken、Kiyose Hiroki、Matsuo Hidemasa、Nishinaka-Arai Yoko、Kurokawa Mineo、 Kamikubo Yasuhiko、Adachi Souichi
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1 Pages: 1-1

    • DOI

      10.1038/s41598-020-76951-0

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Inhibition of CDK4/6 and autophagy synergistically induces apoptosis in t(8;21) acute myeloid leukemia cells2020

    • Author(s)
      Nakatani Kana、Matsuo Hidemasa、Harata Yutarou、Higashitani Moe、Koyama Asami、Noura Mina、Nishinaka-Arai Yoko、Kamikubo Yasuhiko、Adachi Souichi
    • Journal Title

      International Journal of Hematology

      Volume: 113 Issue: 2 Pages: 243-253

    • DOI

      10.1007/s12185-020-03015-4

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Presentation] アルベンダゾールはKLF4-DPYSL2A軸を介して急性骨髄性白血病細胞の単球への分化誘導を促進する2021

    • Author(s)
      能浦三奈、森田剣、清瀬大樹、奥野友紀子、松尾英将、小山朝美、西中瑶子、上久保靖彦、足立壯一
    • Organizer
      第44回日本分子生物学会年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] MLL遺伝子再構成陽性急性骨髄性白血病におけるTXNIPの機能解析2020

    • Author(s)
      能浦三奈、松尾英将、小山朝美、足立壯一、増谷弘
    • Organizer
      第79回 日本癌学会学術総会
    • Related Report
      2020 Research-status Report
  • [Presentation] Pivotal role of DPYSL2A in KLF4-mediated monocytic differentiation of acute myeloid leukemia cells2019

    • Author(s)
      能浦三奈
    • Organizer
      第78回日本癌学会学術総会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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