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Study for a new cancer therapy using novel stress response evoked in tumor cells by nanosecond electric pulses

Research Project

Project/Area Number 25350533
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Biomedical engineering/Biomaterial science and engineering
Research InstitutionKumamoto University

Principal Investigator

Morotomi Keiko  熊本大学, パルスパワー科学研究所, 特別研究員 (80639435)

Co-Investigator(Renkei-kenkyūsha) AKIYAMA Hidenori  熊本大学, パルスパワー科学研究所, 教授 (50126827)
YANO Ken-ichi  熊本大学, パルスパワー科学研究所, 教授 (70311230)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywordsナノ秒電気パルス / 癌治療 / 細胞死 / ネクローシス / ポリADPリボース / カルシウム / スフェロイド / アポトーシス
Outline of Final Research Achievements

This study was aimed to establish a new method using nanosecond electric pulses for cancer therapy. First, electrical conditions for efficient cell death induction were optimized. Next, cell death mechanisms were analyzed, and the induction of necrotic cell death and its associating poly ADP-ribose formation on cellular proteins were demonstrated. The presence of calcium augmented the cytotoxic effects of nanosecond electric pulses, and its absence conferred resistance to nanosecond electric pulses. A new electrode using a pair of tungsten carbide needles was manufactured and was examined for cell death induction. Finally, the cytotoxic effects of nanosecond electric pulses were confirmed by using spheroids, which are considered to be a tumor model in vitro. Taken together, these results contribute the development of a novel cancer therapy using nanosecond electric pulses.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (6 results)

All 2015 2014 2013 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (3 results)

  • [Journal Article] Extracellular calcium differentially affects intracellular responses to nanosecond pulsed electric fields.2015

    • Author(s)
      Keiko Morotomi-Yano and Ken-ichi Yano
    • Journal Title

      Biochemistry and Biotechnology Research

      Volume: 3 Pages: 51-60

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Different involvement of extracellular calcium in two modes of cell death induced by nanosecond pulsed electric fields2014

    • Author(s)
      Keiko Morotomi-Yano, Hidenori Akiyama, Ken-ichi Yano
    • Journal Title

      Archives of Biochemistry and Biophysics

      Volume: 555-556 Pages: 47-54

    • DOI

      10.1016/j.abb.2014.05.020

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Nanosecond pulsed electric fields induce poly(ADP-ribose) formation and non-apoptotic cell death in HeLa S3 cells2013

    • Author(s)
      K. Morotomi-Yano, H. Akiyama, K. Yano
    • Journal Title

      Biochemical and Biophysical Research Communications

      Volume: 438 Issue: 3 Pages: 557-562

    • DOI

      10.1016/j.bbrc.2013.07.083

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] ナノ秒電気パルスによって誘導されるネクローシスはカルシウム依存的な細胞内エネルギーレベルの低下とポリADPリボース形成を伴う2015

    • Author(s)
      諸冨桂子、矢野憲一
    • Organizer
      第38回日本分子生物学会年会・第88回日本生化学会大会合同大会
    • Place of Presentation
      神戸国際展示場
    • Year and Date
      2015-12-02
    • Related Report
      2015 Annual Research Report
  • [Presentation] ナノ秒電気パルスによって誘導される細胞死の様式はカルシウム依存的に決定される2014

    • Author(s)
      諸冨桂子、矢野憲一
    • Organizer
      第37回日本分子生物学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2014-11-26
    • Related Report
      2014 Research-status Report
  • [Presentation] ナノ秒パルス高電界によって引き起こされるポリADPリボース形成を伴う非アポトーシス性細胞死誘導の分子機構

    • Author(s)
      諸冨桂子、矢野憲一
    • Organizer
      第36回日本分子生物学会年会
    • Place of Presentation
      神戸国際会議場
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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