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Suppression of propofol-induced mitochondria-dependent cytotoxicity by HIF-1 activation

Research Project

Project/Area Number 18K16501
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 55050:Anesthesiology-related
Research InstitutionKansai Medical University

Principal Investigator

OKAMOTO Akihisa  関西医科大学, 医学部, 研究員 (50509479)

Project Period (FY) 2018-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywordsプロポフォール / プロポフォール注入症候群 / ROS / ミトコンドリア / 低酸素誘導性因子1 / HIF-1 / 代謝
Outline of Final Research Achievements

In cells with sustained activation of the transcription factor HIF-1, we found that the glycolytic system, which metabolizes glucose from pyruvate to lactate, was converted to a dominant metabolic pathway by the action of GLUT1 and LDHA, and the supply of electrons to the mitochondrial respiratory chain was suppressed by the action of PDK1, which suppresses the pathway through which pyruvate is transported to the mitochondria and converted to acetyl-CoA. In other words, HIF-1 activation in RCC4 cells reprogrammed the cells to a metabolic state that does not rely on mitochondrial respiration.
From these results, we concluded that propofol-induced cytotoxicity could be prevented by suppressing ROS production by artificially controlling HIF-1 activity.

Academic Significance and Societal Importance of the Research Achievements

これまで、世界的に著名な歌手・マイケル・ジャクソン氏が常用した結果死亡したり、2歳男児に術後管理目的で大量に投与された結果死亡したりと、度々プロポフォールの危険性が注目を浴びてきた。その一方で、プロポフォールは手術麻酔や集中治療の現場で幅広く使用され、現代医療に不可欠の薬剤である。今回、培養細胞を用いてPRISの発症機序解明に取り組んで、プロポフォールによる細胞死のプロセスにROSの産生増加が大きく関与していることを明らかにし、その制御を遺伝子工学的または薬理学的に行うことがPRISの発症・進展を防ぐための一つのアプローチとなりうることを示したことに本研究の意義がある。

Report

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

    (3 results)

All 2019 2018

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

  • [Journal Article] Real-time diagnostic analysis of MinION-based metagenomic sequencing in clinical microbiology evaluation: a case report2019

    • Author(s)
      Hiromasa Tanaka, Yoshiyuki Matsuo, So Nakagawa, Kenichiro Nishi, Akihisa Okamoto, Shinichi Kai, Teppei Iwai, Yoshiteru Tabata, Takeshi Tajima, Yuji Komatsu, Motohiko Satoh, Kirill Kryukov, Tadashi Imanishi, Kiichi Hirota
    • Journal Title

      JA Clinical Reports

      Volume: 5 Issue: 1 Pages: 24-24

    • DOI

      10.1186/s40981-019-0244-z

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Suppression of mitochondrial oxygen metabolism mediated by the transcription factor HIF-1 alleviates propofol-induced cell toxicity2018

    • Author(s)
      Sumi Chisato、Okamoto Akihisa、Tanaka Hiromasa、Kusunoki Munenori、Shoji Tomohiro、Uba Takeo、Adachi Takehiko、Iwai Teppei、Nishi Kenichiro、Harada Hiroshi、Bono Hidemasa、Matsuo Yoshiyuki、Hirota Kiichi
    • Journal Title

      Scientific Reports

      Volume: 8 Issue: 1 Pages: 8987-8987

    • DOI

      10.1038/s41598-018-27220-8

    • NAID

      120006539570

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Propofol induces a metabolic switch to glycolysis and cell death in a mitochondrial electron transport chain-dependent manner2018

    • Author(s)
      Sumi Chisato、Okamoto Akihisa、Tanaka Hiromasa、Nishi Kenichiro、Kusunoki Munenori、Shoji Tomohiro、Uba Takeo、Matsuo Yoshiyuki、Adachi Takehiko、Hayashi Jun-Ichi、Takenaga Keizo、Hirota Kiichi
    • Journal Title

      PLOS ONE

      Volume: 13 Issue: 2 Pages: e0192796-e0192796

    • DOI

      10.1371/journal.pone.0192796

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research

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Published: 2018-04-23   Modified: 2021-02-19  

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